Release v0.1.12 2026-07-13

package.json

@@ -1,7 +1,7 @@
 {
   "name": "i-want-to-heal",
   "private": true,
-  "version": "0.1.10",
+  "version": "0.1.12",
   "type": "module",
   "scripts": {
     "predev": "pnpm assets:sync-basis-transcoder",

src/components/GameScene.tsx

@@ -25,6 +25,8 @@ import {
   type ActorAnimationState,
 } from "../game/actorAnimation";
 import { PERFORMANCE_PROBE_ENABLED, recordSimulationTick, simulationTickSnapshot } from "../game/performance";
+import type { PartyAbilityId } from "../game/partyCombat";
+import { partyAttackVfxProfile } from "../game/partyAttackVisuals";
 import { useGameStore } from "../game/store";
 import type { BossId, MemberId, PulseKind } from "../game/types";
 import { BossRoom } from "./BossRoom";
@@ -999,7 +1001,15 @@ function TankAuraField() {
 }
 
 function RangedProjectile({ memberId }: { memberId: "nia" | "orin" }) {
-  const group = useRef<THREE.Group>(null);
+  const projectile = useRef<THREE.Group>(null);
+  const impact = useRef<THREE.Group>(null);
+  const coreMaterial = useRef<THREE.MeshBasicMaterial>(null);
+  const accentMaterial = useRef<THREE.MeshBasicMaterial>(null);
+  const trailMaterial = useRef<THREE.MeshBasicMaterial>(null);
+  const trail = useRef<THREE.Mesh>(null);
+  const impactMaterial = useRef<THREE.MeshBasicMaterial>(null);
+  const impactCoreMaterial = useRef<THREE.MeshBasicMaterial>(null);
+  const lastAbilityId = useRef<PartyAbilityId | null>(null);
   const start = useMemo(() => new THREE.Vector3(), []);
   const end = useMemo(() => new THREE.Vector3(), []);
   const current = useMemo(() => new THREE.Vector3(), []);
@@ -1007,7 +1017,7 @@ function RangedProjectile({ memberId }: { memberId: "nia" | "orin" }) {
   const up = useMemo(() => new THREE.Vector3(0, 1, 0), []);
 
   useFrame(({ clock }) => {
-    if (!group.current) return;
+    if (!projectile.current || !impact.current) return;
     const state = useGameStore.getState();
     const action = state.partyCombat.combatants[memberId].visualAction;
     const member = state.party.find((entry) => entry.id === memberId)!;
@@ -1018,8 +1028,19 @@ function RangedProjectile({ memberId }: { memberId: "nia" | "orin" }) {
       && action.abilityId !== "overcharge"
       && state.time >= action.startedAt
       && (rapid ? state.time <= action.endsAt : state.time <= action.impactAt);
-    group.current.visible = active;
+    projectile.current.visible = active;
-    if (!active || !action) return;
+    impact.current.visible = false;
+    if (!action || state.phase !== "combat" || member.hp <= 0 || action.abilityId === "overcharge") return;
+
+    const profile = partyAttackVfxProfile(action.abilityId);
+    if (lastAbilityId.current !== action.abilityId) {
+      lastAbilityId.current = action.abilityId;
+      coreMaterial.current?.color.set(profile.primary);
+      accentMaterial.current?.color.set(profile.accent);
+      trailMaterial.current?.color.set(profile.primary);
+      impactMaterial.current?.color.set(profile.accent);
+      impactCoreMaterial.current?.color.set(profile.primary);
+    }
 
     const targetMotion = targetBossMotionByInstance(state, action.targetInstanceId);
     const projectileDuration = Math.max(0.12, action.impactAt - action.startedAt);
@@ -1030,44 +1051,81 @@ function RangedProjectile({ memberId }: { memberId: "nia" | "orin" }) {
     const target = targetMotion.position;
     start.set(source[0], 1.18, source[1]);
     end.set(target[0], 1.12, target[1]);
-    current.copy(start).lerp(end, progress);
+    if (active) {
-    current.y += Math.sin(progress * Math.PI) * (memberId === "orin" ? 0.95 : 0.34);
+      current.copy(start).lerp(end, progress);
-    group.current.position.copy(current);
+      current.y += Math.sin(progress * Math.PI) * (memberId === "orin" ? 0.95 : 0.34);
-    direction.subVectors(end, start).normalize();
+      projectile.current.position.copy(current);
-    group.current.quaternion.setFromUnitVectors(up, direction);
+      direction.subVectors(end, start).normalize();
-    if (memberId === "orin") group.current.scale.setScalar(0.9 + Math.sin(clock.elapsedTime * 14) * 0.12);
+      projectile.current.quaternion.setFromUnitVectors(up, direction);
+      const pulseScale = memberId === "orin" ? 1 + Math.sin(clock.elapsedTime * 14) * 0.12 : 1;
+      projectile.current.scale.setScalar(profile.scale * pulseScale);
+      trail.current?.scale.set(1, profile.trail, 1);
+      if (trailMaterial.current) trailMaterial.current.opacity = 0.34 + Math.sin(clock.elapsedTime * 10) * 0.08;
+    }
+
+    const impactProgress = rapid
+      ? progress > 0.72 ? (progress - 0.72) / 0.28 : -1
+      : (state.time - action.impactAt) / 0.3;
+    const impactVisible = impactProgress >= 0 && impactProgress <= 1 && state.time <= action.endsAt + 0.3;
+    impact.current.visible = impactVisible;
+    if (impactVisible) {
+      impact.current.position.copy(end);
+      impact.current.scale.setScalar(profile.scale * (0.45 + impactProgress * 2.15));
+      if (impactMaterial.current) impactMaterial.current.opacity = (1 - impactProgress) * 0.9;
+      if (impactCoreMaterial.current) impactCoreMaterial.current.opacity = (1 - impactProgress) * 0.72;
+    }
   });
 
   return (
-    <group ref={group} visible={false}>
+    <>
-      {memberId === "nia" ? (
+      <group ref={projectile} visible={false}>
-        <>
+        {memberId === "nia" ? (
-          <mesh>
+          <>
-            <cylinderGeometry args={[0.026, 0.026, 0.82, 6]} />
+            <mesh>
-            <meshBasicMaterial color="#d7b477" />
+              <cylinderGeometry args={[0.026, 0.026, 0.82, 6]} />
-          </mesh>
+              <meshBasicMaterial ref={coreMaterial} color="#77d596" />
-          <mesh position={[0, 0.5, 0]}>
+            </mesh>
-            <coneGeometry args={[0.085, 0.2, 6]} />
+            <mesh position={[0, 0.5, 0]}>
-            <meshBasicMaterial color="#f1ddaa" />
+              <coneGeometry args={[0.085, 0.2, 6]} />
-          </mesh>
+              <meshBasicMaterial ref={accentMaterial} color="#e5ffb8" />
-          <mesh position={[0, -0.4, 0]}>
+            </mesh>
-            <coneGeometry args={[0.1, 0.18, 4]} />
+            <mesh position={[0, -0.4, 0]}>
-            <meshBasicMaterial color="#70cf8e" />
+              <coneGeometry args={[0.1, 0.18, 4]} />
-          </mesh>
+              <meshBasicMaterial color="#d7b477" />
-        </>
+            </mesh>
-      ) : (
+            <mesh ref={trail} position={[0, -0.62, 0]}>
-        <>
+              <coneGeometry args={[0.12, 0.72, 6, 1, true]} />
-          <mesh>
+              <meshBasicMaterial ref={trailMaterial} color="#77d596" transparent opacity={0.34} depthWrite={false} blending={THREE.AdditiveBlending} />
-            <sphereGeometry args={[0.19, 12, 10]} />
+            </mesh>
-            <meshBasicMaterial color="#bc8cff" />
+          </>
-          </mesh>
+        ) : (
-          <mesh rotation={[Math.PI / 2, 0, 0]}>
+          <>
-            <torusGeometry args={[0.25, 0.025, 6, 20]} />
+            <mesh>
-            <meshBasicMaterial color="#ead8ff" transparent opacity={0.8} />
+              <sphereGeometry args={[0.19, 12, 10]} />
-          </mesh>
+              <meshBasicMaterial ref={coreMaterial} color="#a87cff" toneMapped={false} />
-        </>
+            </mesh>
-      )}
+            <mesh rotation={[Math.PI / 2, 0, 0]}>
-    </group>
+              <torusGeometry args={[0.25, 0.025, 6, 20]} />
+              <meshBasicMaterial ref={accentMaterial} color="#ead9ff" transparent opacity={0.8} depthWrite={false} />
+            </mesh>
+            <mesh ref={trail} position={[0, -0.48, 0]}>
+              <coneGeometry args={[0.18, 0.95, 8, 1, true]} />
+              <meshBasicMaterial ref={trailMaterial} color="#a87cff" transparent opacity={0.34} depthWrite={false} blending={THREE.AdditiveBlending} />
+            </mesh>
+          </>
+        )}
+      </group>
+      <group ref={impact} visible={false}>
+        <mesh rotation={[-Math.PI / 2, 0, 0]}>
+          <ringGeometry args={[0.28, 0.45, 24]} />
+          <meshBasicMaterial ref={impactMaterial} color="#ffffff" transparent opacity={0} depthWrite={false} blending={THREE.AdditiveBlending} toneMapped={false} />
+        </mesh>
+        <mesh>
+          <octahedronGeometry args={[0.24, 0]} />
+          <meshBasicMaterial ref={impactCoreMaterial} color="#ffffff" transparent opacity={0} depthWrite={false} blending={THREE.AdditiveBlending} toneMapped={false} />
+        </mesh>
+      </group>
+    </>
   );
 }
 
@@ -1080,6 +1138,144 @@ function RangedProjectiles() {
   );
 }
 
+function CloseAttackVfx({ memberId }: { memberId: "brann" | "orin" | "vale" }) {
+  const group = useRef<THREE.Group>(null);
+  const firstArc = useRef<THREE.Mesh>(null);
+  const secondArc = useRef<THREE.Mesh>(null);
+  const groundRing = useRef<THREE.Mesh>(null);
+  const core = useRef<THREE.Mesh>(null);
+  const primaryMaterial = useRef<THREE.MeshBasicMaterial>(null);
+  const secondaryMaterial = useRef<THREE.MeshBasicMaterial>(null);
+  const ringMaterial = useRef<THREE.MeshBasicMaterial>(null);
+  const coreMaterial = useRef<THREE.MeshBasicMaterial>(null);
+  const lastAbilityId = useRef<PartyAbilityId | null>(null);
+
+  useFrame(({ clock }) => {
+    if (!group.current || !firstArc.current || !secondArc.current || !groundRing.current || !core.current) return;
+    const state = useGameStore.getState();
+    const actor = state.partyCombat.combatants[memberId];
+    const action = actor.visualAction;
+    const member = state.party.find((entry) => entry.id === memberId)!;
+    const visible = action !== null
+      && state.phase === "combat"
+      && member.hp > 0
+      && state.time >= action.startedAt
+      && state.time <= action.endsAt + 0.18
+      && partyAttackVfxProfile(action.abilityId).style !== "projectile";
+    group.current.visible = visible;
+    if (!visible || !action) return;
+
+    const profile = partyAttackVfxProfile(action.abilityId);
+    if (lastAbilityId.current !== action.abilityId) {
+      lastAbilityId.current = action.abilityId;
+      primaryMaterial.current?.color.set(profile.primary);
+      secondaryMaterial.current?.color.set(profile.accent);
+      ringMaterial.current?.color.set(profile.primary);
+      coreMaterial.current?.color.set(profile.accent);
+    }
+
+    const duration = Math.max(0.2, action.endsAt - action.startedAt);
+    const progress = THREE.MathUtils.clamp((state.time - action.startedAt) / duration, 0, 1);
+    const impactProgress = THREE.MathUtils.clamp((state.time - action.impactAt + 0.08) / 0.3, 0, 1);
+    const source = state.partyPositions[memberId];
+    const targetMotion = targetBossMotionByInstance(state, action.targetInstanceId);
+    const target = targetMotion.position;
+    const sourceStyle = profile.style === "buff" || profile.style === "spin";
+    const effectHeight = sourceStyle ? 0.22 : profile.style === "slam" ? 0.18 : 1.05;
+    group.current.position.set(sourceStyle ? source[0] : target[0], effectHeight, sourceStyle ? source[1] : target[1]);
+    group.current.rotation.y = sourceStyle
+      ? clock.elapsedTime * 0.8
+      : Math.atan2(target[0] - source[0], target[1] - source[1]);
+
+    const slashStyle = profile.style === "slash" || profile.style === "double-slash";
+    firstArc.current.visible = slashStyle;
+    secondArc.current.visible = profile.style === "double-slash";
+    groundRing.current.visible = profile.style === "slam" || profile.style === "spin" || profile.style === "buff";
+    core.current.visible = profile.style === "slam" || profile.style === "buff";
+    const actionScale = profile.scale * (0.65 + Math.sin(progress * Math.PI) * 0.75);
+    firstArc.current.scale.setScalar(actionScale);
+    firstArc.current.rotation.z = -Math.PI * (0.82 - progress * 0.34);
+    secondArc.current.scale.setScalar(actionScale * 0.92);
+    secondArc.current.rotation.z = -Math.PI * (0.15 + progress * 0.36);
+    const burstScale = profile.scale * (0.5 + impactProgress * 2.2);
+    groundRing.current.scale.setScalar(burstScale);
+    groundRing.current.rotation.z = clock.elapsedTime * (memberId === "vale" ? -1.6 : 0.85);
+    core.current.scale.setScalar(profile.scale * (0.6 + Math.sin(progress * Math.PI) * 1.1));
+    core.current.rotation.set(clock.elapsedTime, clock.elapsedTime * 1.4, 0);
+    if (primaryMaterial.current) primaryMaterial.current.opacity = Math.sin(progress * Math.PI) * 0.9;
+    if (secondaryMaterial.current) secondaryMaterial.current.opacity = Math.sin(progress * Math.PI) * 0.84;
+    if (ringMaterial.current) ringMaterial.current.opacity = (1 - impactProgress * 0.7) * 0.76;
+    if (coreMaterial.current) coreMaterial.current.opacity = Math.sin(progress * Math.PI) * 0.72;
+  });
+
+  return (
+    <group ref={group} visible={false}>
+      <mesh ref={firstArc} rotation={[0, 0, -Math.PI * 0.72]}>
+        <torusGeometry args={[0.72, 0.055, 6, 28, Math.PI * 1.28]} />
+        <meshBasicMaterial ref={primaryMaterial} color="#ffffff" transparent opacity={0} depthWrite={false} blending={THREE.AdditiveBlending} toneMapped={false} />
+      </mesh>
+      <mesh ref={secondArc} position={[0.16, 0.02, 0.05]} rotation={[0, 0, -Math.PI * 0.2]}>
+        <torusGeometry args={[0.64, 0.045, 6, 26, Math.PI * 1.18]} />
+        <meshBasicMaterial ref={secondaryMaterial} color="#ffffff" transparent opacity={0} depthWrite={false} blending={THREE.AdditiveBlending} toneMapped={false} />
+      </mesh>
+      <mesh ref={groundRing} rotation={[-Math.PI / 2, 0, 0]}>
+        <ringGeometry args={[0.38, 0.54, 28]} />
+        <meshBasicMaterial ref={ringMaterial} color="#ffffff" transparent opacity={0} depthWrite={false} blending={THREE.AdditiveBlending} toneMapped={false} />
+      </mesh>
+      <mesh ref={core} position={[0, 0.3, 0]}>
+        <octahedronGeometry args={[0.26, 0]} />
+        <meshBasicMaterial ref={coreMaterial} color="#ffffff" transparent opacity={0} depthWrite={false} blending={THREE.AdditiveBlending} toneMapped={false} />
+      </mesh>
+    </group>
+  );
+}
+
+function PartyPowerAuraVfx({ memberId }: { memberId: "orin" | "vale" }) {
+  const group = useRef<THREE.Group>(null);
+  const material = useRef<THREE.MeshBasicMaterial>(null);
+  useFrame(({ clock }) => {
+    if (!group.current) return;
+    const state = useGameStore.getState();
+    const actor = state.partyCombat.combatants[memberId];
+    const member = state.party.find((entry) => entry.id === memberId)!;
+    const active = state.phase === "combat" && member.hp > 0 && (memberId === "orin" ? actor.overchargeStacks > 0 : actor.bladeFlurryUntil > state.time);
+    group.current.visible = active;
+    if (!active) return;
+    const position = state.partyPositions[memberId];
+    group.current.position.set(position[0], 0.16, position[1]);
+    group.current.rotation.y = clock.elapsedTime * (memberId === "orin" ? 1.4 : -1.8);
+    const pulse = 0.92 + Math.sin(clock.elapsedTime * 5.5) * 0.12;
+    group.current.scale.setScalar(pulse);
+    if (material.current) material.current.opacity = 0.38 + Math.sin(clock.elapsedTime * 4.2) * 0.1;
+  });
+  const color = memberId === "orin" ? "#bc72ff" : "#9a86ff";
+  return (
+    <group ref={group} visible={false}>
+      <mesh rotation={[-Math.PI / 2, 0, 0]}>
+        <torusGeometry args={[0.7, 0.035, 6, 28]} />
+        <meshBasicMaterial ref={material} color={color} transparent opacity={0.4} depthWrite={false} blending={THREE.AdditiveBlending} toneMapped={false} />
+      </mesh>
+      <mesh position={[0, 0.72, 0]} rotation={[Math.PI / 2, 0, 0]}>
+        <torusGeometry args={[0.46, 0.025, 6, 24]} />
+        <meshBasicMaterial color={color} transparent opacity={0.5} depthWrite={false} blending={THREE.AdditiveBlending} toneMapped={false} />
+      </mesh>
+    </group>
+  );
+}
+
+function PartyCombatVfx() {
+  return (
+    <>
+      <RangedProjectiles />
+      <CloseAttackVfx memberId="brann" />
+      <CloseAttackVfx memberId="orin" />
+      <CloseAttackVfx memberId="vale" />
+      <PartyPowerAuraVfx memberId="orin" />
+      <PartyPowerAuraVfx memberId="vale" />
+    </>
+  );
+}
+
 function BossActor() {
   const phase = useGameStore((state) => state.phase);
   const primaryBossId = useGameStore((state) => state.boss.id);
@@ -1185,27 +1381,72 @@ function PerformanceProbe() {
   return null;
 }
 
+const FX_BURST_PARTICLE_COUNT = 8;
+
+function scenePulseColor(kind: PulseKind) {
+  if (kind === "shield") return "#62bdff";
+  if (kind === "purify") return "#c39bff";
+  if (kind === "renew") return "#72e0a1";
+  if (kind === "breath") return "#66dcff";
+  if (kind === "venom") return "#8fdb4f";
+  if (kind === "tether") return "#d482ff";
+  if (kind === "skyfall") return "#ffd36b";
+  if (kind === "boss" || kind === "debuff" || kind === "charge" || kind === "pounce" || kind === "slash") return "#ff643c";
+  return "#ffe087";
+}
+
 function FxBurst({ kind, targetId }: { kind: PulseKind; targetId?: MemberId }) {
+  const group = useRef<THREE.Group>(null);
   const ring = useRef<THREE.Mesh>(null);
   const material = useRef<THREE.MeshBasicMaterial>(null);
+  const particles = useRef<THREE.InstancedMesh>(null);
+  const particleMaterial = useRef<THREE.MeshBasicMaterial>(null);
+  const core = useRef<THREE.Mesh>(null);
+  const coreMaterial = useRef<THREE.MeshBasicMaterial>(null);
+  const transform = useMemo(() => new THREE.Object3D(), []);
   const age = useRef(0);
   const isBossFx = kind === "boss";
   const state = useGameStore.getState();
   const worldPosition = isBossFx ? targetBossMotion(state).position : targetId ? state.partyPositions[targetId] : [0, 0];
   const position: [number, number, number] = [worldPosition[0], 0.15, worldPosition[1]];
-  const color = kind === "boss" || kind === "debuff" || kind === "charge" || kind === "pounce" || kind === "slash" ? "#ff643c" : kind === "shield" ? "#62bdff" : kind === "purify" ? "#c39bff" : "#ffe087";
+  const color = scenePulseColor(kind);
-  useFrame((_, delta) => {
+  useFrame(({ clock }, delta) => {
     age.current += delta;
-    if (!ring.current || !material.current) return;
+    if (!group.current || !ring.current || !material.current || !particles.current || !core.current) return;
     const progress = Math.min(1, age.current / 0.7);
     ring.current.scale.setScalar(0.5 + progress * 3.6);
     material.current.opacity = (1 - progress) * 0.85;
+    core.current.scale.setScalar(0.45 + Math.sin(progress * Math.PI) * 1.8);
+    core.current.rotation.set(clock.elapsedTime * 1.5, clock.elapsedTime * 2, 0);
+    if (coreMaterial.current) coreMaterial.current.opacity = (1 - progress) * 0.72;
+    for (let index = 0; index < FX_BURST_PARTICLE_COUNT; index += 1) {
+      const angle = index / FX_BURST_PARTICLE_COUNT * Math.PI * 2 + clock.elapsedTime * 0.6;
+      const radial = progress * (kind === "boss" ? 3.2 : 1.65);
+      const scale = (1 - progress) * (kind === "boss" ? 1.4 : 0.9);
+      transform.position.set(Math.sin(angle) * radial, 0.18 + Math.sin(progress * Math.PI) * (0.7 + (index % 2) * 0.45), Math.cos(angle) * radial);
+      transform.rotation.set(angle, progress * Math.PI * 2 + index, clock.elapsedTime);
+      transform.scale.setScalar(scale);
+      transform.updateMatrix();
+      particles.current.setMatrixAt(index, transform.matrix);
+    }
+    particles.current.instanceMatrix.needsUpdate = true;
+    if (particleMaterial.current) particleMaterial.current.opacity = (1 - progress) * 0.82;
   });
   return (
-    <mesh ref={ring} position={position} rotation={[-Math.PI / 2, 0, 0]}>
+    <group ref={group} position={position}>
-      <ringGeometry args={[0.38, 0.5, 32]} />
+      <mesh ref={ring} rotation={[-Math.PI / 2, 0, 0]}>
-      <meshBasicMaterial ref={material} color={color} transparent depthWrite={false} />
+        <ringGeometry args={[0.38, 0.5, 32]} />
-    </mesh>
+        <meshBasicMaterial ref={material} color={color} transparent depthWrite={false} blending={THREE.AdditiveBlending} toneMapped={false} />
+      </mesh>
+      <mesh ref={core} position={[0, 0.42, 0]}>
+        <octahedronGeometry args={[0.24, 0]} />
+        <meshBasicMaterial ref={coreMaterial} color={color} transparent opacity={0.72} depthWrite={false} blending={THREE.AdditiveBlending} toneMapped={false} />
+      </mesh>
+      <instancedMesh ref={particles} args={[undefined, undefined, FX_BURST_PARTICLE_COUNT]} frustumCulled={false}>
+        <tetrahedronGeometry args={[0.18, 0]} />
+        <meshBasicMaterial ref={particleMaterial} color={color} transparent opacity={0.82} depthWrite={false} blending={THREE.AdditiveBlending} toneMapped={false} />
+      </instancedMesh>
+    </group>
   );
 }
 
@@ -1237,7 +1478,7 @@ export function GameScene() {
         <TankAuraField />
         <Party />
         <BossActor />
-        <RangedProjectiles />
+        <PartyCombatVfx />
         <CombatFx />
         {PERFORMANCE_PROBE_ENABLED && <PerformanceProbe />}
       </GameAssetProvider>

src/components/boss/BossAttackVfx.tsx

@@ -0,0 +1,215 @@
+import { useFrame } from "@react-three/fiber";
+import { useMemo, useRef } from "react";
+import * as THREE from "three";
+import type { PoolTelegraphKind, WorldPosition } from "../../game/types";
+
+const TAU = Math.PI * 2;
+const LANE_PARTICLE_COUNT = 7;
+const AREA_PARTICLE_COUNT = 8;
+const BREATH_PARTICLE_COUNT = 12;
+
+function useReducedMotion() {
+  return useMemo(() => (
+    document.documentElement.classList.contains("force-reduced-motion")
+      || window.matchMedia("(prefers-reduced-motion: reduce)").matches
+  ), []);
+}
+
+export type LaneVfxVariant = "beam" | "charge" | "slash" | "web";
+
+function LaneParticleGeometry({ variant }: { variant: LaneVfxVariant }) {
+  if (variant === "beam" || variant === "web") return <sphereGeometry args={[0.11, 7, 5]} />;
+  if (variant === "slash") return <octahedronGeometry args={[0.15, 0]} />;
+  return <tetrahedronGeometry args={[0.13, 0]} />;
+}
+
+/** One instanced draw for motion/readability layered over an existing lane telegraph. */
+export function LaneEnergyVfx({
+  start,
+  end,
+  width,
+  color,
+  active,
+  variant,
+  height = 0.13,
+}: {
+  start: WorldPosition;
+  end: WorldPosition;
+  width: number;
+  color: string;
+  active: boolean;
+  variant: LaneVfxVariant;
+  height?: number;
+}) {
+  const particles = useRef<THREE.InstancedMesh>(null);
+  const material = useRef<THREE.MeshBasicMaterial>(null);
+  const transform = useMemo(() => new THREE.Object3D(), []);
+  const reducedMotion = useReducedMotion();
+  const dx = end[0] - start[0];
+  const dz = end[1] - start[1];
+  const length = Math.hypot(dx, dz);
+  const angle = Math.atan2(dx, dz);
+  const midpoint: [number, number, number] = [(start[0] + end[0]) * 0.5, height, (start[1] + end[1]) * 0.5];
+
+  useFrame(({ clock }) => {
+    if (!particles.current) return;
+    const time = reducedMotion ? 0.35 : clock.elapsedTime;
+    const speed = active ? 2.6 : variant === "web" ? 0.5 : 0.85;
+    for (let index = 0; index < LANE_PARTICLE_COUNT; index += 1) {
+      const offset = index / LANE_PARTICLE_COUNT;
+      const cycle = (time * speed + offset) % 1;
+      const cross = Math.sin(time * 2.4 + index * 1.7) * width * (variant === "web" ? 0.08 : 0.28);
+      const rise = variant === "slash"
+        ? Math.sin(cycle * Math.PI) * (active ? 0.65 : 0.28)
+        : variant === "web" ? Math.sin(time * 3 + index) * 0.07 : Math.sin(cycle * Math.PI) * 0.18;
+      transform.position.set(cross, rise, -length * 0.5 + cycle * length);
+      transform.rotation.set(time * 0.8 + index, index * 0.63, active ? time * 1.5 : 0);
+      const scale = (active ? 1.25 : 0.78) * (0.75 + Math.sin(cycle * Math.PI) * 0.4);
+      transform.scale.set(
+        variant === "slash" ? scale * 0.7 : scale,
+        variant === "charge" ? scale * 0.55 : scale,
+        variant === "charge" ? scale * 2.1 : scale,
+      );
+      transform.updateMatrix();
+      particles.current.setMatrixAt(index, transform.matrix);
+    }
+    particles.current.instanceMatrix.needsUpdate = true;
+    if (material.current) {
+      const pulse = reducedMotion ? 0.65 : 0.58 + Math.sin(time * 6.2) * 0.14;
+      material.current.opacity = active ? pulse + 0.22 : pulse * 0.62;
+    }
+  });
+
+  return (
+    <group position={midpoint} rotation={[0, angle, 0]}>
+      <instancedMesh ref={particles} args={[undefined, undefined, LANE_PARTICLE_COUNT]} frustumCulled={false}>
+        <LaneParticleGeometry variant={variant} />
+        <meshBasicMaterial
+          ref={material}
+          color={color}
+          transparent
+          opacity={active ? 0.82 : 0.38}
+          depthWrite={false}
+          blending={THREE.AdditiveBlending}
+          toneMapped={false}
+        />
+      </instancedMesh>
+    </group>
+  );
+}
+
+export function BreathParticleVfx({
+  position,
+  angle,
+  range,
+  halfAngle,
+  active,
+}: {
+  position: WorldPosition;
+  angle: number;
+  range: number;
+  halfAngle: number;
+  active: boolean;
+}) {
+  const particles = useRef<THREE.InstancedMesh>(null);
+  const material = useRef<THREE.MeshBasicMaterial>(null);
+  const transform = useMemo(() => new THREE.Object3D(), []);
+  const reducedMotion = useReducedMotion();
+
+  useFrame(({ clock }) => {
+    if (!particles.current) return;
+    const time = reducedMotion ? 0.4 : clock.elapsedTime;
+    for (let index = 0; index < BREATH_PARTICLE_COUNT; index += 1) {
+      const row = index % 4;
+      const lane = Math.floor(index / 4);
+      const offsetAngle = -halfAngle + (lane / 2) * halfAngle * 2;
+      const cycle = (time * (active ? 1.7 : 0.52) + row * 0.24 + lane * 0.08) % 1;
+      const distance = range * (0.08 + cycle * 0.9);
+      const scale = (active ? 1 : 0.55) * (1.15 - cycle * 0.55);
+      transform.position.set(
+        Math.sin(offsetAngle) * distance,
+        0.18 + Math.sin(cycle * Math.PI) * (active ? 0.72 : 0.32),
+        Math.cos(offsetAngle) * distance,
+      );
+      transform.rotation.set(time * 1.2 + index, -offsetAngle, cycle * TAU);
+      transform.scale.set(scale * 0.72, scale * 1.45, scale * 0.72);
+      transform.updateMatrix();
+      particles.current.setMatrixAt(index, transform.matrix);
+    }
+    particles.current.instanceMatrix.needsUpdate = true;
+    if (material.current) material.current.opacity = active ? 0.74 : 0.26;
+  });
+
+  return (
+    <group position={[position[0], 0.1, position[1]]} rotation={[0, angle, 0]}>
+      <instancedMesh ref={particles} args={[undefined, undefined, BREATH_PARTICLE_COUNT]} frustumCulled={false}>
+        <tetrahedronGeometry args={[0.2, 0]} />
+        <meshBasicMaterial
+          ref={material}
+          color={active ? "#7ceaff" : "#b8f4ff"}
+          transparent
+          opacity={active ? 0.74 : 0.26}
+          depthWrite={false}
+          blending={THREE.AdditiveBlending}
+          toneMapped={false}
+        />
+      </instancedMesh>
+    </group>
+  );
+}
+
+export function CircleMechanicVfx({
+  radius,
+  innerRadius = 0,
+  kind,
+  color,
+  active,
+}: {
+  radius: number;
+  innerRadius?: number;
+  kind: Extract<PoolTelegraphKind, "donut" | "soak" | "spread"> | "pounce";
+  color: string;
+  active: boolean;
+}) {
+  const particles = useRef<THREE.InstancedMesh>(null);
+  const material = useRef<THREE.MeshBasicMaterial>(null);
+  const transform = useMemo(() => new THREE.Object3D(), []);
+  const reducedMotion = useReducedMotion();
+
+  useFrame(({ clock }) => {
+    if (!particles.current) return;
+    const time = reducedMotion ? 0.3 : clock.elapsedTime;
+    for (let index = 0; index < AREA_PARTICLE_COUNT; index += 1) {
+      const offset = index / AREA_PARTICLE_COUNT;
+      const cycle = (time * (active ? 1.2 : 0.55) + offset) % 1;
+      const orbit = offset * TAU + time * (kind === "soak" ? -0.55 : 0.7);
+      let radial = radius * 0.82;
+      if (kind === "spread") radial = radius * (0.18 + cycle * 0.75);
+      if (kind === "soak" || kind === "pounce") radial = radius * (0.92 - cycle * 0.68);
+      if (kind === "donut") radial = index % 2 === 0 ? Math.max(0.2, innerRadius + 0.18) : radius - 0.18;
+      const scale = (active ? 1 : 0.64) * (0.72 + Math.sin(cycle * Math.PI) * 0.48);
+      transform.position.set(Math.sin(orbit) * radial, 0.12 + Math.sin(cycle * Math.PI) * 0.52, Math.cos(orbit) * radial);
+      transform.rotation.set(time + index, orbit, cycle * TAU);
+      transform.scale.setScalar(scale);
+      transform.updateMatrix();
+      particles.current.setMatrixAt(index, transform.matrix);
+    }
+    particles.current.instanceMatrix.needsUpdate = true;
+    if (material.current) material.current.opacity = active ? 0.84 : 0.42;
+  });
+
+  return (
+    <instancedMesh ref={particles} args={[undefined, undefined, AREA_PARTICLE_COUNT]} frustumCulled={false}>
+      <octahedronGeometry args={[0.16, 0]} />
+      <meshBasicMaterial
+        ref={material}
+        color={color}
+        transparent
+        opacity={active ? 0.84 : 0.42}
+        depthWrite={false}
+        blending={THREE.AdditiveBlending}
+        toneMapped={false}
+      />
+    </instancedMesh>
+  );
+}

src/components/boss/BossMechanicIndicators.tsx

@@ -3,10 +3,13 @@ import { Html } from "@react-three/drei";
 import { useCallback, useEffect, useLayoutEffect, useRef, useState, type ComponentType } from "react";
 import * as THREE from "three";
 import { BULL_CHARGE, BULL_POUNCE, MEMORY_SEQUENCE, MEMORY_SYMBOLS, SKY_SWEEPER_BREATH } from "../../game/bosses/mechanicPool";
+import { bossHazardVfxProfile } from "../../game/bossHazardVisuals";
 import { angleTo } from "../../game/geometry";
 import { useGameStore } from "../../game/store";
 import type { BossMotionMode, BossMotionState, MemorySymbolId, MemoryTile, PoolTelegraph, SoulSiphonState, WorldPosition } from "../../game/types";
+import { BreathParticleVfx, CircleMechanicVfx, LaneEnergyVfx } from "./BossAttackVfx";
 import { BOSS_INDICATOR_DEATH_FADE_MS, advanceBossIndicatorOpacity } from "./bossDeathVisuals";
+import { CircleHazardVfx } from "./CircleHazardVfx";
 
 const CHARGE_MARKERS = [0, 1, 2, 3, 4, 5, 6] as const;
 const STACK_DIRECTIONS = Array.from({ length: 8 }, (_, index) => (index / 8) * Math.PI * 2);
@@ -41,6 +44,10 @@ function bossHpAt(state: GameStoreState, bossIndex: number) {
   return bossIndex === 0 ? state.boss.hp : state.additionalBosses[bossIndex - 1]?.boss.hp ?? 0;
 }
 
+function bossAt(state: GameStoreState, bossIndex: number) {
+  return bossIndex === 0 ? state.boss : state.additionalBosses[bossIndex - 1]?.boss;
+}
+
 function earliestSoulSiphonInMotion(motion: BossMotionState | undefined, current?: SoulSiphonState) {
   if (!motion) return current;
   let earliest = current;
@@ -192,26 +199,37 @@ function SlashLaneIndicator({ laneId, bossIndex }: { laneId: string; bossIndex:
     (lane.start[1] + lane.end[1]) * 0.5,
   ];
   const active = ACTIVE_LANE_MODES.has(motion.mode);
+  const chargeEffect = motion.mode === "telegraph" || motion.mode === "charging";
   const color = active ? DANGER_ACTIVE_COLOR : DANGER_WARNING_COLOR;
   return (
-    <group position={midpoint} rotation={[0, angle, 0]}>
+    <>
-      <mesh rotation={[-Math.PI / 2, 0, 0]}>
+      <group position={midpoint} rotation={[0, angle, 0]}>
-        <planeGeometry args={[lane.width, length]} />
+        <mesh rotation={[-Math.PI / 2, 0, 0]}>
-        <meshBasicMaterial ref={material} color={color} transparent opacity={0.22} depthWrite={false} />
+          <planeGeometry args={[lane.width, length]} />
-      </mesh>
+          <meshBasicMaterial ref={material} color={color} transparent opacity={0.22} depthWrite={false} />
-      {[-1, 1].map((side) => (
-        <mesh key={side} position={[side * lane.width * 0.5, 0.018, 0]}>
-          <boxGeometry args={[0.07, 0.03, length]} />
-          <meshBasicMaterial ref={side < 0 ? edgeMaterial : undefined} color={color} transparent opacity={0.8} depthWrite={false} />
         </mesh>
-      ))}
+        {[-1, 1].map((side) => (
-      {active && (
+          <mesh key={side} position={[side * lane.width * 0.5, 0.018, 0]}>
-        <mesh position={[0, 0.055, 0]}>
+            <boxGeometry args={[0.07, 0.03, length]} />
-          <boxGeometry args={[0.16, 0.08, length]} />
+            <meshBasicMaterial ref={side < 0 ? edgeMaterial : undefined} color={color} transparent opacity={0.8} depthWrite={false} />
-          <meshBasicMaterial color={DANGER_HIGHLIGHT_COLOR} transparent opacity={0.92} depthWrite={false} />
+          </mesh>
-        </mesh>
+        ))}
-      )}
+        {active && (
-    </group>
+          <mesh position={[0, 0.055, 0]}>
+            <boxGeometry args={[0.16, 0.08, length]} />
+            <meshBasicMaterial color={DANGER_HIGHLIGHT_COLOR} transparent opacity={0.92} depthWrite={false} />
+          </mesh>
+        )}
+      </group>
+      <LaneEnergyVfx
+        start={lane.start}
+        end={lane.end}
+        width={lane.width}
+        color={active ? DANGER_HIGHLIGHT_COLOR : color}
+        active={active}
+        variant={chargeEffect ? "charge" : "slash"}
+      />
+    </>
   );
 }
 
@@ -232,9 +250,10 @@ export function PounceStackIndicator({ bossIndex = 0 }: { bossIndex?: number })
     if (!warningMaterial.current) return;
     warningMaterial.current.opacity = 0.14 + (Math.sin(clock.elapsedTime * 8) + 1) * 0.08;
   });
-  if (phase !== "combat" || motionMode !== "stacking") return null;
+  if (phase !== "combat" || (motionMode !== "stacking" && motionMode !== "pouncing")) return null;
 
   const radius = BULL_POUNCE.stackRadius;
+  const active = motionMode === "pouncing";
   return (
     <group ref={group}>
       <mesh rotation={[-Math.PI / 2, 0, 0]}>
@@ -261,6 +280,7 @@ export function PounceStackIndicator({ bossIndex = 0 }: { bossIndex?: number })
             </mesh>
           </group>
       ))}
+      <CircleMechanicVfx radius={radius} kind="pounce" color={active ? "#ffe0a8" : "#ff7278"} active={active} />
     </group>
   );
 }
@@ -291,6 +311,7 @@ export function BindingWebIndicator({ bossIndex = 0 }: { bossIndex?: number }) {
           <meshBasicMaterial color={color} transparent opacity={0.92} depthWrite={false} />
         </mesh>
       ))}
+      <LaneEnergyVfx start={first} end={second} width={0.34} color={color} active={stretched} variant="web" height={0.2} />
     </group>
   );
 }
@@ -305,16 +326,25 @@ export function BreathConeIndicator({ bossIndex = 0 }: { bossIndex?: number }) {
   if (!motion || phase !== "combat" || (motion.mode !== "breath_telegraph" && motion.mode !== "breath_sweeping")) return null;
   const color = motion.mode === "breath_sweeping" ? DANGER_ACTIVE_COLOR : DANGER_WARNING_COLOR;
   return (
-    <group position={[motion.position[0], 0.07, motion.position[1]]} rotation={[0, motion.breathAngle, 0]}>
+    <>
-      <mesh rotation={[-Math.PI / 2, 0, -Math.PI / 2 - SKY_SWEEPER_BREATH.halfAngle]}>
+      <group position={[motion.position[0], 0.07, motion.position[1]]} rotation={[0, motion.breathAngle, 0]}>
-        <circleGeometry args={[SKY_SWEEPER_BREATH.range, 64, 0, SKY_SWEEPER_BREATH.halfAngle * 2]} />
+        <mesh rotation={[-Math.PI / 2, 0, -Math.PI / 2 - SKY_SWEEPER_BREATH.halfAngle]}>
-        <meshBasicMaterial ref={material} color={color} transparent opacity={0.25} depthWrite={false} />
+          <circleGeometry args={[SKY_SWEEPER_BREATH.range, 64, 0, SKY_SWEEPER_BREATH.halfAngle * 2]} />
-      </mesh>
+          <meshBasicMaterial ref={material} color={color} transparent opacity={0.25} depthWrite={false} />
-      <mesh position={[0, 0.02, SKY_SWEEPER_BREATH.range * 0.48]} rotation={[-Math.PI / 2, 0, 0]}>
+        </mesh>
-        <ringGeometry args={[SKY_SWEEPER_BREATH.range * 0.47, SKY_SWEEPER_BREATH.range * 0.49, 48, 1, -SKY_SWEEPER_BREATH.halfAngle, SKY_SWEEPER_BREATH.halfAngle * 2]} />
+        <mesh position={[0, 0.02, SKY_SWEEPER_BREATH.range * 0.48]} rotation={[-Math.PI / 2, 0, 0]}>
-        <meshBasicMaterial color={color} transparent opacity={0.85} depthWrite={false} />
+          <ringGeometry args={[SKY_SWEEPER_BREATH.range * 0.47, SKY_SWEEPER_BREATH.range * 0.49, 48, 1, -SKY_SWEEPER_BREATH.halfAngle, SKY_SWEEPER_BREATH.halfAngle * 2]} />
-      </mesh>
+          <meshBasicMaterial color={color} transparent opacity={0.85} depthWrite={false} />
-    </group>
+        </mesh>
+      </group>
+      <BreathParticleVfx
+        position={motion.position}
+        angle={motion.breathAngle}
+        range={SKY_SWEEPER_BREATH.range}
+        halfAngle={SKY_SWEEPER_BREATH.halfAngle}
+        active={motion.mode === "breath_sweeping"}
+      />
+    </>
   );
 }
 
@@ -328,19 +358,8 @@ function CircleHazardIndicator({ hazardId, bossIndex }: { hazardId: string; boss
   });
   if (!hazard) return null;
   const active = time >= hazard.activatesAt;
-  const colors = {
+  const visual = bossHazardVfxProfile(hazard.kind);
-    venom_pool: "#a94ee6",
+  const color = active ? visual.activeColor : visual.warningColor;
-    skyfall: active ? DANGER_ACTIVE_COLOR : DANGER_WARNING_COLOR,
-    quake: active ? DANGER_ACTIVE_COLOR : DANGER_WARNING_COLOR,
-    lava_pool: "#ff5a24",
-    stinger_eruption: active ? DANGER_ACTIVE_COLOR : DANGER_WARNING_COLOR,
-    hourglass: active ? DANGER_ACTIVE_COLOR : DANGER_WARNING_COLOR,
-    tidal_burst: active ? DANGER_ACTIVE_COLOR : "#39c9df",
-    soul_rift: active ? "#7446d8" : "#aa78ff",
-    crownfall: active ? DANGER_ACTIVE_COLOR : "#e4c548",
-    royal_shockwave: active ? DANGER_ACTIVE_COLOR : "#f0ca4d",
-  } as const;
-  const color = colors[hazard.kind];
   return (
     <group position={[hazard.center[0], 0.065, hazard.center[1]]}>
       <mesh rotation={[-Math.PI / 2, 0, 0]}>
@@ -358,9 +377,10 @@ function CircleHazardIndicator({ hazardId, bossIndex }: { hazardId: string; boss
       {!active && (
         <mesh position={[0, 0.03, 0]} rotation={[-Math.PI / 2, 0, 0]}>
           <ringGeometry args={[0.22, 0.34, 24]} />
-          <meshBasicMaterial color={DANGER_HIGHLIGHT_COLOR} transparent opacity={0.95} depthWrite={false} />
+          <meshBasicMaterial color={visual.highlightColor} transparent opacity={0.95} depthWrite={false} />
         </mesh>
       )}
+      <CircleHazardVfx hazard={hazard} active={active} />
     </group>
   );
 }
@@ -639,30 +659,41 @@ function PooledTelegraphIndicator({ telegraphId, bossIndex }: { telegraphId: str
     : telegraph.kind === "spread" ? "#e869ff"
       : active ? DANGER_ACTIVE_COLOR : DANGER_WARNING_COLOR;
 
-  if (telegraph.kind === "beam" && telegraph.start && telegraph.end) {
+  if (telegraph.kind === "beam") {
+    if (!telegraph.start || !telegraph.end) return null;
     const dx = telegraph.end[0] - telegraph.start[0];
     const dz = telegraph.end[1] - telegraph.start[1];
     const length = Math.hypot(dx, dz);
     const angle = Math.atan2(dx, dz);
     return (
-      <group position={[(telegraph.start[0] + telegraph.end[0]) * 0.5, 0.07, (telegraph.start[1] + telegraph.end[1]) * 0.5]} rotation={[0, angle, 0]}>
+      <>
-        <mesh rotation={[-Math.PI / 2, 0, 0]}>
+        <group position={[(telegraph.start[0] + telegraph.end[0]) * 0.5, 0.07, (telegraph.start[1] + telegraph.end[1]) * 0.5]} rotation={[0, angle, 0]}>
-          <planeGeometry args={[telegraph.width ?? 1, length]} />
+          <mesh rotation={[-Math.PI / 2, 0, 0]}>
-          <meshBasicMaterial ref={fillMaterial} color={color} transparent depthWrite={false} />
+            <planeGeometry args={[telegraph.width ?? 1, length]} />
-        </mesh>
+            <meshBasicMaterial ref={fillMaterial} color={color} transparent depthWrite={false} />
-        {[-1, 1].map((side) => (
-          <mesh key={side} position={[side * (telegraph.width ?? 1) * 0.5, 0.022, 0]}>
-            <boxGeometry args={[0.06, 0.035, length]} />
-            <meshBasicMaterial color={color} transparent opacity={0.95} depthWrite={false} />
           </mesh>
-        ))}
+          {[-1, 1].map((side) => (
-        {CHARGE_MARKERS.map((index) => (
+            <mesh key={side} position={[side * (telegraph.width ?? 1) * 0.5, 0.022, 0]}>
-          <mesh key={index} position={[0, 0.034, -length * 0.44 + (index / 6) * length * 0.88]}>
+              <boxGeometry args={[0.06, 0.035, length]} />
-            <boxGeometry args={[(telegraph.width ?? 1) * 0.56, 0.035, 0.13]} />
+              <meshBasicMaterial color={color} transparent opacity={0.95} depthWrite={false} />
-            <meshBasicMaterial color="#ffe1b3" transparent opacity={active ? 1 : 0.7} />
+            </mesh>
-          </mesh>
+          ))}
-        ))}
+          {CHARGE_MARKERS.map((index) => (
-      </group>
+            <mesh key={index} position={[0, 0.034, -length * 0.44 + (index / 6) * length * 0.88]}>
+              <boxGeometry args={[(telegraph.width ?? 1) * 0.56, 0.035, 0.13]} />
+              <meshBasicMaterial color="#ffe1b3" transparent opacity={active ? 1 : 0.7} />
+            </mesh>
+          ))}
+        </group>
+        <LaneEnergyVfx
+          start={telegraph.start}
+          end={telegraph.end}
+          width={telegraph.width ?? 1}
+          color={active ? "#ffe1b3" : color}
+          active={active}
+          variant="beam"
+        />
+      </>
     );
   }
 
@@ -705,6 +736,13 @@ function PooledTelegraphIndicator({ telegraphId, bossIndex }: { telegraphId: str
           </mesh>
         </group>
       ))}
+      <CircleMechanicVfx
+        radius={telegraph.radius}
+        innerRadius={innerRadius}
+        kind={telegraph.kind}
+        color={color}
+        active={active}
+      />
     </group>
   );
 }
@@ -714,7 +752,60 @@ export function PooledMechanicIndicators({ bossIndex = 0 }: { bossIndex?: number
   return <>{telegraphs.map((telegraph) => <PooledTelegraphIndicator key={telegraph.id} telegraphId={telegraph.id} bossIndex={bossIndex} />)}</>;
 }
 
+export function BasicMeleeVfx({ bossIndex = 0 }: { bossIndex?: number }) {
+  const group = useRef<THREE.Group>(null);
+  const slashMaterial = useRef<THREE.MeshBasicMaterial>(null);
+  const impactMaterial = useRef<THREE.MeshBasicMaterial>(null);
+  const initialBoss = bossAt(useGameStore.getState(), bossIndex);
+  const previousNextMeleeAt = useRef(initialBoss?.nextMeleeAt ?? 0);
+  const age = useRef(Number.POSITIVE_INFINITY);
+
+  useFrame((_, delta) => {
+    const state = useGameStore.getState();
+    const boss = bossAt(state, bossIndex);
+    const motion = motionAt(state, bossIndex);
+    if (!group.current || !boss || !motion) return;
+    if (boss.nextMeleeAt !== previousNextMeleeAt.current) {
+      if (state.phase === "combat" && motion.mode === "holding") age.current = 0;
+      previousNextMeleeAt.current = boss.nextMeleeAt;
+    }
+    age.current += delta;
+    const visible = state.phase === "combat" && age.current < 0.42 && state.party[1].hp > 0;
+    group.current.visible = visible;
+    if (!visible) return;
+    const target = state.partyPositions.brann;
+    const progress = THREE.MathUtils.clamp(age.current / 0.42, 0, 1);
+    group.current.position.set(target[0], 1.02, target[1]);
+    group.current.rotation.y = Math.atan2(target[0] - motion.position[0], target[1] - motion.position[1]);
+    group.current.scale.setScalar(0.68 + progress * 0.72);
+    if (slashMaterial.current) slashMaterial.current.opacity = Math.sin(progress * Math.PI) * 0.92;
+    if (impactMaterial.current) impactMaterial.current.opacity = (1 - progress) * 0.68;
+  });
+
+  return (
+    <group ref={group} visible={false}>
+      <mesh rotation={[0, 0, -Math.PI * 0.72]}>
+        <torusGeometry args={[0.7, 0.055, 6, 28, Math.PI * 1.35]} />
+        <meshBasicMaterial
+          ref={slashMaterial}
+          color="#ffd58a"
+          transparent
+          opacity={0}
+          depthWrite={false}
+          blending={THREE.AdditiveBlending}
+          toneMapped={false}
+        />
+      </mesh>
+      <mesh position={[0, -0.94, 0]} rotation={[-Math.PI / 2, 0, 0]}>
+        <ringGeometry args={[0.32, 0.5, 24]} />
+        <meshBasicMaterial ref={impactMaterial} color="#ff8d5c" transparent opacity={0} depthWrite={false} />
+      </mesh>
+    </group>
+  );
+}
+
 const BOSS_MECHANIC_INDICATORS: readonly ComponentType<{ bossIndex?: number }>[] = [
+  BasicMeleeVfx,
   ChargeLaneIndicator,
   SlashLaneIndicators,
   PounceStackIndicator,

src/components/boss/CircleHazardVfx.tsx

@@ -0,0 +1,198 @@
+import { useFrame } from "@react-three/fiber";
+import { useMemo, useRef } from "react";
+import * as THREE from "three";
+import { bossHazardVfxProfile, bossHazardVfxSeed, type BossHazardVfxShape } from "../../game/bossHazardVisuals";
+import { useGameStore } from "../../game/store";
+import type { CircleHazard } from "../../game/types";
+
+const TAU = Math.PI * 2;
+
+function ParticleGeometry({ shape }: { shape: BossHazardVfxShape }) {
+  if (shape === "orb") return <sphereGeometry args={[0.16, 8, 6]} />;
+  if (shape === "spike") return <coneGeometry args={[0.16, 0.9, 5]} />;
+  return <octahedronGeometry args={[0.19, 0]} />;
+}
+
+/**
+ * One instanced particle draw plus one transient accent and an optional column.
+ * Effects mutate preallocated transforms and never touch combat state.
+ */
+export function CircleHazardVfx({ hazard, active }: { hazard: CircleHazard; active: boolean }) {
+  const profile = bossHazardVfxProfile(hazard.kind);
+  const particles = useRef<THREE.InstancedMesh>(null);
+  const particleMaterial = useRef<THREE.MeshBasicMaterial>(null);
+  const warningRing = useRef<THREE.Mesh>(null);
+  const warningMaterial = useRef<THREE.MeshBasicMaterial>(null);
+  const impactRing = useRef<THREE.Mesh>(null);
+  const impactMaterial = useRef<THREE.MeshBasicMaterial>(null);
+  const column = useRef<THREE.Mesh>(null);
+  const columnMaterial = useRef<THREE.MeshBasicMaterial>(null);
+  const transform = useMemo(() => new THREE.Object3D(), []);
+  const seed = useMemo(() => bossHazardVfxSeed(hazard.id), [hazard.id]);
+  const reducedMotion = useMemo(() => (
+    document.documentElement.classList.contains("force-reduced-motion")
+      || window.matchMedia("(prefers-reduced-motion: reduce)").matches
+  ), []);
+
+  useFrame(({ clock }) => {
+    const time = useGameStore.getState().time;
+    const activeAge = Math.max(0, time - hazard.activatesAt);
+    const warningRemaining = Math.max(0, hazard.activatesAt - time);
+    const effectTime = reducedMotion ? seed * 2 : clock.elapsedTime + seed * 7.3;
+    const activeDuration = Math.max(0.22, hazard.expiresAt - hazard.activatesAt);
+    const impactDuration = Math.min(0.48, activeDuration);
+    const impactProgress = THREE.MathUtils.clamp(activeAge / impactDuration, 0, 1);
+
+    if (particles.current) {
+      for (let index = 0; index < profile.particleCount; index += 1) {
+        const offset = (index + 0.5) / profile.particleCount;
+        const baseAngle = offset * TAU + seed * TAU;
+        const angle = baseAngle + effectTime * profile.spinSpeed;
+        const stagger = (offset + seed * 0.37) % 1;
+        let radial = hazard.radius * (0.28 + (index % 3) * 0.2);
+        let y = 0.12;
+        let width = 0.72;
+        let height = 0.72;
+
+        if (profile.motion === "bubble") {
+          const cycle = (effectTime * 0.48 + stagger) % 1;
+          radial = hazard.radius * (0.22 + (index % 3) * 0.22);
+          y = 0.08 + cycle * profile.height;
+          width = 0.55 + Math.sin(cycle * Math.PI) * 0.65;
+          height = width;
+        } else if (profile.motion === "fall") {
+          const cycle = 1 - ((effectTime * 0.72 + stagger) % 1);
+          radial = hazard.radius * (0.18 + (index % 3) * 0.2);
+          y = 0.22 + cycle * profile.height;
+          width = active ? 0.82 : 0.55;
+          height = active ? 2.9 : 2.15;
+        } else if (profile.motion === "flame") {
+          const cycle = (effectTime * 0.95 + stagger) % 1;
+          radial = hazard.radius * (0.2 + (index % 3) * 0.21);
+          y = 0.12 + cycle * profile.height * 0.62;
+          width = 0.5 + Math.sin(cycle * Math.PI) * 0.85;
+          height = 0.75 + Math.sin(cycle * Math.PI) * 1.6;
+        } else if (profile.motion === "orbit") {
+          radial = hazard.radius * (0.3 + (index % 2) * 0.24);
+          y = 0.28 + ((index % 4) / 3) * profile.height + Math.sin(effectTime * 2.2 + index) * 0.16;
+          width = 0.65 + (index % 2) * 0.35;
+          height = profile.shape === "crystal" ? 1.55 : width;
+        } else if (profile.motion === "shockwave") {
+          const wave = active ? impactProgress : 0.22 + (1 - Math.min(1, warningRemaining / 1.6)) * 0.18;
+          radial = hazard.radius * wave;
+          y = 0.13 + Math.sin(offset * Math.PI) * profile.height * 0.12;
+          width = active ? 0.72 + impactProgress * 0.75 : 0.58;
+          height = active ? 1.25 : 0.75;
+        } else if (profile.motion === "spike") {
+          const rise = active ? THREE.MathUtils.clamp(activeAge / 0.16, 0, 1) : 0.12;
+          radial = hazard.radius * (0.2 + (index % 3) * 0.23);
+          width = 0.75 + (index % 2) * 0.35;
+          height = Math.max(0.18, rise * (profile.height + (index % 3) * 0.34));
+          y = height * 0.45;
+        } else {
+          const cycle = (effectTime * 0.72 + stagger) % 1;
+          radial = hazard.radius * (0.18 + cycle * 0.68);
+          y = 0.12 + Math.sin(cycle * Math.PI) * profile.height;
+          width = 0.6 + Math.sin(cycle * Math.PI) * 0.72;
+          height = width * 1.4;
+        }
+
+        const warningScale = active ? 1 : 0.56;
+        transform.position.set(Math.sin(angle) * radial, y, Math.cos(angle) * radial);
+        transform.rotation.set(index * 0.73, -angle, profile.motion === "fall" ? 0 : effectTime * 0.45 + index);
+        transform.scale.set(width * warningScale, height * warningScale, width * warningScale);
+        transform.updateMatrix();
+        particles.current.setMatrixAt(index, transform.matrix);
+      }
+      particles.current.instanceMatrix.needsUpdate = true;
+    }
+
+    if (particleMaterial.current) {
+      const pulse = reducedMotion ? 0.72 : 0.64 + Math.sin(effectTime * 4.6) * 0.12;
+      particleMaterial.current.opacity = active ? pulse + 0.16 : pulse * 0.48;
+    }
+
+    if (warningRing.current && warningMaterial.current) {
+      const countdown = THREE.MathUtils.clamp(warningRemaining / 1.8, 0, 1);
+      const scale = hazard.radius * (0.18 + countdown * 0.82);
+      warningRing.current.visible = !active;
+      warningRing.current.scale.setScalar(scale);
+      warningRing.current.rotation.z = reducedMotion ? seed * TAU : effectTime * profile.spinSpeed * 0.42;
+      warningMaterial.current.opacity = 0.48 + (reducedMotion ? 0 : Math.sin(effectTime * 7) * 0.16);
+    }
+
+    if (impactRing.current && impactMaterial.current) {
+      impactRing.current.visible = active && impactProgress < 0.999;
+      impactRing.current.scale.setScalar(hazard.radius * (0.16 + impactProgress * 1.02));
+      impactMaterial.current.opacity = (1 - impactProgress) * 0.92;
+    }
+
+    if (column.current && columnMaterial.current) {
+      const columnPulse = reducedMotion ? 0.78 : 0.7 + Math.sin(effectTime * 3.8) * 0.18;
+      column.current.rotation.y = effectTime * profile.spinSpeed * 0.3;
+      column.current.scale.set(
+        hazard.radius * (active ? 0.9 : 0.62),
+        profile.height * (active ? 1 : 0.72),
+        hazard.radius * (active ? 0.9 : 0.62),
+      );
+      columnMaterial.current.opacity = profile.columnOpacity * columnPulse * (active ? 1 : 0.52);
+    }
+  });
+
+  const color = active ? profile.activeColor : profile.warningColor;
+  return (
+    <group>
+      <instancedMesh ref={particles} args={[undefined, undefined, profile.particleCount]} frustumCulled={false}>
+        <ParticleGeometry shape={profile.shape} />
+        <meshBasicMaterial
+          ref={particleMaterial}
+          color={color}
+          transparent
+          opacity={active ? 0.8 : 0.35}
+          depthWrite={false}
+          blending={THREE.AdditiveBlending}
+          toneMapped={false}
+        />
+      </instancedMesh>
+      <mesh ref={warningRing} position={[0, 0.085, 0]} rotation={[-Math.PI / 2, 0, 0]}>
+        <torusGeometry args={[1, 0.026, 5, 36]} />
+        <meshBasicMaterial
+          ref={warningMaterial}
+          color={profile.highlightColor}
+          transparent
+          opacity={0.58}
+          depthWrite={false}
+          blending={THREE.AdditiveBlending}
+          toneMapped={false}
+        />
+      </mesh>
+      <mesh ref={impactRing} position={[0, 0.12, 0]} rotation={[-Math.PI / 2, 0, 0]} visible={false}>
+        <ringGeometry args={[0.84, 1, 40]} />
+        <meshBasicMaterial
+          ref={impactMaterial}
+          color={profile.highlightColor}
+          transparent
+          opacity={0}
+          depthWrite={false}
+          blending={THREE.AdditiveBlending}
+          toneMapped={false}
+        />
+      </mesh>
+      {profile.columnOpacity > 0 && (
+        <mesh ref={column} position={[0, profile.height * 0.5, 0]}>
+          <cylinderGeometry args={[0.48, 0.16, 1, 18, 1, true]} />
+          <meshBasicMaterial
+            ref={columnMaterial}
+            color={color}
+            transparent
+            opacity={profile.columnOpacity}
+            depthWrite={false}
+            side={THREE.DoubleSide}
+            blending={THREE.AdditiveBlending}
+            toneMapped={false}
+          />
+        </mesh>
+      )}
+    </group>
+  );
+}

src/game/bossHazardVisuals.test.ts

@@ -0,0 +1,43 @@
+import { describe, expect, it } from "vitest";
+import { BOSS_HAZARD_VFX, bossHazardVfxProfile, bossHazardVfxSeed } from "./bossHazardVisuals";
+import type { CircleHazardKind } from "./types";
+
+const HAZARD_KINDS: readonly CircleHazardKind[] = [
+  "venom_pool",
+  "skyfall",
+  "quake",
+  "lava_pool",
+  "stinger_eruption",
+  "hourglass",
+  "tidal_burst",
+  "soul_rift",
+  "crownfall",
+  "royal_shockwave",
+];
+
+describe("boss hazard visuals", () => {
+  it("defines a bounded effect profile for every circular hazard kind", () => {
+    expect(Object.keys(BOSS_HAZARD_VFX).sort()).toEqual([...HAZARD_KINDS].sort());
+    for (const kind of HAZARD_KINDS) {
+      const profile = bossHazardVfxProfile(kind);
+      expect(profile.particleCount).toBeGreaterThanOrEqual(6);
+      expect(profile.particleCount).toBeLessThanOrEqual(9);
+      expect(profile.height).toBeGreaterThan(0);
+      expect(profile.warningColor).not.toBe(profile.highlightColor);
+    }
+  });
+
+  it("uses shape and motion, not color alone, to distinguish common attacks", () => {
+    expect(bossHazardVfxProfile("venom_pool")).toMatchObject({ motion: "bubble", shape: "orb" });
+    expect(bossHazardVfxProfile("stinger_eruption")).toMatchObject({ motion: "spike", shape: "spike" });
+    expect(bossHazardVfxProfile("royal_shockwave")).toMatchObject({ motion: "shockwave", shape: "crystal" });
+    expect(bossHazardVfxProfile("soul_rift")).toMatchObject({ motion: "orbit", shape: "orb" });
+  });
+
+  it("creates stable normalized seeds without runtime randomness", () => {
+    expect(bossHazardVfxSeed("meteor-12")).toBe(bossHazardVfxSeed("meteor-12"));
+    expect(bossHazardVfxSeed("meteor-12")).not.toBe(bossHazardVfxSeed("meteor-13"));
+    expect(bossHazardVfxSeed("meteor-12")).toBeGreaterThanOrEqual(0);
+    expect(bossHazardVfxSeed("meteor-12")).toBeLessThanOrEqual(1);
+  });
+});

src/game/bossHazardVisuals.ts

@@ -0,0 +1,146 @@
+import type { CircleHazardKind } from "./types";
+
+export type BossHazardVfxMotion = "bubble" | "fall" | "flame" | "orbit" | "shockwave" | "spike" | "surge";
+export type BossHazardVfxShape = "crystal" | "orb" | "spike";
+
+export interface BossHazardVfxProfile {
+  readonly warningColor: string;
+  readonly activeColor: string;
+  readonly highlightColor: string;
+  readonly motion: BossHazardVfxMotion;
+  readonly shape: BossHazardVfxShape;
+  readonly particleCount: number;
+  readonly height: number;
+  readonly spinSpeed: number;
+  readonly columnOpacity: number;
+}
+
+/**
+ * Rendering-only identity for circular hazards. Combat rules remain in boss
+ * mechanics; renderers can project this profile without branching on boss id.
+ */
+export const BOSS_HAZARD_VFX: Record<CircleHazardKind, BossHazardVfxProfile> = {
+  venom_pool: {
+    warningColor: "#9a54d6",
+    activeColor: "#6fca45",
+    highlightColor: "#d6ff7d",
+    motion: "bubble",
+    shape: "orb",
+    particleCount: 7,
+    height: 0.8,
+    spinSpeed: 0.35,
+    columnOpacity: 0,
+  },
+  skyfall: {
+    warningColor: "#ff4d42",
+    activeColor: "#ff792e",
+    highlightColor: "#ffe0a1",
+    motion: "fall",
+    shape: "crystal",
+    particleCount: 6,
+    height: 5.2,
+    spinSpeed: 0.55,
+    columnOpacity: 0.13,
+  },
+  quake: {
+    warningColor: "#ff5549",
+    activeColor: "#d64226",
+    highlightColor: "#ffd08a",
+    motion: "shockwave",
+    shape: "crystal",
+    particleCount: 8,
+    height: 0.75,
+    spinSpeed: 0.18,
+    columnOpacity: 0,
+  },
+  lava_pool: {
+    warningColor: "#ff6a31",
+    activeColor: "#ff3b18",
+    highlightColor: "#ffd05a",
+    motion: "flame",
+    shape: "spike",
+    particleCount: 7,
+    height: 1.25,
+    spinSpeed: 0.28,
+    columnOpacity: 0.04,
+  },
+  stinger_eruption: {
+    warningColor: "#ff4b42",
+    activeColor: "#cf2442",
+    highlightColor: "#ffd2b3",
+    motion: "spike",
+    shape: "spike",
+    particleCount: 7,
+    height: 1.75,
+    spinSpeed: 0.12,
+    columnOpacity: 0,
+  },
+  hourglass: {
+    warningColor: "#ed8b3a",
+    activeColor: "#c16a28",
+    highlightColor: "#ffe3a3",
+    motion: "orbit",
+    shape: "crystal",
+    particleCount: 8,
+    height: 2.2,
+    spinSpeed: 1.35,
+    columnOpacity: 0.1,
+  },
+  tidal_burst: {
+    warningColor: "#36cae2",
+    activeColor: "#178fc6",
+    highlightColor: "#c9fbff",
+    motion: "surge",
+    shape: "orb",
+    particleCount: 8,
+    height: 1.65,
+    spinSpeed: 0.75,
+    columnOpacity: 0.08,
+  },
+  soul_rift: {
+    warningColor: "#aa78ff",
+    activeColor: "#6f42cf",
+    highlightColor: "#ebd8ff",
+    motion: "orbit",
+    shape: "orb",
+    particleCount: 8,
+    height: 2.45,
+    spinSpeed: 1.65,
+    columnOpacity: 0.14,
+  },
+  crownfall: {
+    warningColor: "#e7c94d",
+    activeColor: "#d95331",
+    highlightColor: "#fff1a8",
+    motion: "fall",
+    shape: "crystal",
+    particleCount: 7,
+    height: 5.6,
+    spinSpeed: -0.65,
+    columnOpacity: 0.15,
+  },
+  royal_shockwave: {
+    warningColor: "#edcb55",
+    activeColor: "#c94631",
+    highlightColor: "#fff0a6",
+    motion: "shockwave",
+    shape: "crystal",
+    particleCount: 9,
+    height: 0.85,
+    spinSpeed: -0.22,
+    columnOpacity: 0,
+  },
+};
+
+export function bossHazardVfxProfile(kind: CircleHazardKind) {
+  return BOSS_HAZARD_VFX[kind];
+}
+
+export function bossHazardVfxSeed(id: string) {
+  let hash = 2166136261;
+  for (let index = 0; index < id.length; index += 1) {
+    hash ^= id.charCodeAt(index);
+    hash = Math.imul(hash, 16777619);
+  }
+  return (hash >>> 0) / 0xffffffff;
+}

src/game/partyAttackVisuals.test.ts

@@ -0,0 +1,29 @@
+import { describe, expect, it } from "vitest";
+import { PARTY_ABILITY_LOADOUTS, PARTY_ABILITY_NAMES } from "./partyCombat";
+import { PARTY_ATTACK_VFX, partyAttackVfxProfile } from "./partyAttackVisuals";
+
+describe("party attack visuals", () => {
+  it("covers every party combat ability", () => {
+    expect(Object.keys(PARTY_ATTACK_VFX).sort()).toEqual(Object.keys(PARTY_ABILITY_NAMES).sort());
+  });
+
+  it("keeps every profile attached to its loadout owner", () => {
+    for (const [ownerId, abilityIds] of Object.entries(PARTY_ABILITY_LOADOUTS)) {
+      for (const abilityId of abilityIds) {
+        expect(partyAttackVfxProfile(abilityId).ownerId).toBe(ownerId);
+      }
+    }
+  });
+
+  it("gives every ranged attack a visible trail and every melee loadout a non-projectile style", () => {
+    for (const abilityId of [...PARTY_ABILITY_LOADOUTS.nia, ...PARTY_ABILITY_LOADOUTS.orin]) {
+      const profile = partyAttackVfxProfile(abilityId);
+      if (profile.style === "buff") continue;
+      expect(profile.style).toBe("projectile");
+      expect(profile.trail).toBeGreaterThan(0);
+    }
+    for (const abilityId of [...PARTY_ABILITY_LOADOUTS.brann, ...PARTY_ABILITY_LOADOUTS.vale]) {
+      expect(partyAttackVfxProfile(abilityId).style).not.toBe("projectile");
+    }
+  });
+});

src/game/partyAttackVisuals.ts

@@ -0,0 +1,43 @@
+import type { AiCombatantId, PartyAbilityId } from "./partyCombat";
+
+export type PartyAttackVfxStyle = "buff" | "double-slash" | "projectile" | "slam" | "slash" | "spin";
+
+export interface PartyAttackVfxProfile {
+  readonly ownerId: AiCombatantId;
+  readonly style: PartyAttackVfxStyle;
+  readonly primary: string;
+  readonly accent: string;
+  readonly scale: number;
+  readonly trail: number;
+}
+
+/** Visual identity only. Damage, timing, targeting, and resources stay in partyCombat. */
+export const PARTY_ATTACK_VFX: Record<PartyAbilityId, PartyAttackVfxProfile> = {
+  sword_slash: { ownerId: "brann", style: "slash", primary: "#f0c56b", accent: "#fff0b0", scale: 0.9, trail: 0 },
+  shield_slam: { ownerId: "brann", style: "slam", primary: "#62b9ff", accent: "#d9f2ff", scale: 1.05, trail: 0 },
+  revenge: { ownerId: "brann", style: "double-slash", primary: "#ef6c4d", accent: "#ffd0a5", scale: 1.05, trail: 0 },
+  sweeping_guard: { ownerId: "brann", style: "spin", primary: "#77d7ff", accent: "#e5f8ff", scale: 1.15, trail: 0 },
+  bulwark_march: { ownerId: "brann", style: "buff", primary: "#4da8ff", accent: "#d5efff", scale: 1.25, trail: 0 },
+
+  quick_shot: { ownerId: "nia", style: "projectile", primary: "#77d596", accent: "#e5ffb8", scale: 0.78, trail: 0.45 },
+  aimed_shot: { ownerId: "nia", style: "projectile", primary: "#f0c961", accent: "#fff4be", scale: 1, trail: 0.7 },
+  rapid_fire: { ownerId: "nia", style: "projectile", primary: "#65dcba", accent: "#d8fff1", scale: 0.72, trail: 0.38 },
+  kill_shot: { ownerId: "nia", style: "projectile", primary: "#f05d57", accent: "#ffd3a3", scale: 1.18, trail: 0.9 },
+  deadeye: { ownerId: "nia", style: "projectile", primary: "#fff0a8", accent: "#ffffff", scale: 1.35, trail: 1.15 },
+
+  arcane_bolt: { ownerId: "orin", style: "projectile", primary: "#a87cff", accent: "#ead9ff", scale: 0.9, trail: 0.75 },
+  ember_lance: { ownerId: "orin", style: "projectile", primary: "#ff713d", accent: "#ffd080", scale: 0.92, trail: 0.9 },
+  arcane_burst: { ownerId: "orin", style: "projectile", primary: "#5d9fff", accent: "#dcf3ff", scale: 1.25, trail: 1.05 },
+  comet: { ownerId: "orin", style: "projectile", primary: "#7ce5ff", accent: "#f0fdff", scale: 1.55, trail: 1.35 },
+  overcharge: { ownerId: "orin", style: "buff", primary: "#b15cff", accent: "#f0d6ff", scale: 1.15, trail: 0 },
+
+  quick_cut: { ownerId: "vale", style: "slash", primary: "#c68aff", accent: "#f1ddff", scale: 0.78, trail: 0 },
+  twin_fang: { ownerId: "vale", style: "double-slash", primary: "#e36cff", accent: "#ffd5ff", scale: 0.92, trail: 0 },
+  backstab: { ownerId: "vale", style: "slash", primary: "#f15b7a", accent: "#ffd4df", scale: 1.12, trail: 0 },
+  fan_of_blades: { ownerId: "vale", style: "spin", primary: "#c9d5df", accent: "#ffffff", scale: 1.2, trail: 0 },
+  blade_flurry: { ownerId: "vale", style: "buff", primary: "#8a7cff", accent: "#e8e3ff", scale: 1.15, trail: 0 },
+};
+
+export function partyAttackVfxProfile(abilityId: PartyAbilityId) {
+  return PARTY_ATTACK_VFX[abilityId];
+}