Release v0.1.11 2026-07-13

package.json

@@ -1,7 +1,7 @@
 {
   "name": "i-want-to-heal",
   "private": true,
-  "version": "0.1.9",
+  "version": "0.1.11",
   "type": "module",
   "scripts": {
     "predev": "pnpm assets:sync-basis-transcoder",

src/components/GameScene.tsx

@@ -29,6 +29,7 @@ import { useGameStore } from "../game/store";
 import type { BossId, MemberId, PulseKind } from "../game/types";
 import { BossRoom } from "./BossRoom";
 import { BossMechanicIndicators } from "./boss/BossMechanicIndicators";
+import { bossBurrowPositionY, bossIsBurrowing } from "./boss/bossBurrowVisuals";
 import { bossCanTrackTarget, bossDeathOpacity } from "./boss/bossDeathVisuals";
 import { GameAssetProvider, LEGACY_GAME_ASSETS_FORCED, selectedGameAssetUrl, useGameGLTF } from "./GameAssetProvider";
 
@@ -130,8 +131,11 @@ function createBossRenderModel(source: THREE.Object3D) {
       ? object.material.map(cloneMaterial)
       : cloneMaterial(object.material);
   });
+  model.updateMatrixWorld(true);
+  const modelTopY = new THREE.Box3().setFromObject(model).max.y;
   return {
     model,
+    modelTopY,
     fadeMaterials: [...materialClones.values()].map((material): BossFadeMaterial => ({
       material,
       baseOpacity: material.opacity,
@@ -834,9 +838,10 @@ function AlternateBoss({ kind, bossIndex }: { kind: AlternateBossKind; bossIndex
   const light = useRef<THREE.PointLight>(null);
   const assetUrl = selectedGameAssetUrl(config.url, config.optimizedUrl ?? config.url);
   const gltf = useGameGLTF(assetUrl);
-  const { model, fadeMaterials } = useMemo(() => createBossRenderModel(gltf.scene), [gltf.scene]);
+  const { model, modelTopY, fadeMaterials } = useMemo(() => createBossRenderModel(gltf.scene), [gltf.scene]);
   const { actions } = useAnimations(gltf.animations, model);
   const targetPosition = useMemo(() => new THREE.Vector3(), []);
+  const burrowPositionY = bossBurrowPositionY(modelTopY, config.scale);
 
   useEffect(() => {
     return () => { for (const entry of fadeMaterials) entry.material.dispose(); };
@@ -873,9 +878,9 @@ function AlternateBoss({ kind, bossIndex }: { kind: AlternateBossKind; bossIndex
     if (!current) return;
     const motion = current.motion;
     const airborne = archetype === "sky-sweeper" && motion.mode === "skyfall";
-    const burrowed = archetype === "burrower" && motion.activeMechanicId === "burrow-rush" && motion.mode === "charging";
+    const burrowing = archetype === "burrower" && bossIsBurrowing(motion.activeMechanicId, motion.mode);
     const floatingHeight = config.floating ? 0.2 : 0.03;
-    targetPosition.set(motion.position[0], airborne ? 3.2 : burrowed ? -0.58 : floatingHeight, motion.position[1]);
+    targetPosition.set(motion.position[0], airborne ? 3.2 : burrowing ? burrowPositionY : floatingHeight, motion.position[1]);
     group.current.position.lerp(targetPosition, 1 - Math.pow(0.00001, delta));
     if (!bossCanTrackTarget(current.boss.hp)) return;
 

src/components/boss/BossMechanicIndicators.tsx

@@ -3,10 +3,12 @@ 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 { 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);
@@ -328,19 +330,8 @@ 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 +349,10 @@ 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>
   );
 }

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/components/boss/bossBurrowVisuals.test.ts

@@ -0,0 +1,19 @@
+import { describe, expect, it } from "vitest";
+import { BOSS_BURROW_CLEARANCE, bossBurrowPositionY, bossIsBurrowing } from "./bossBurrowVisuals";
+
+describe("boss burrow visuals", () => {
+  it("places the scaled top of the model below the arena floor", () => {
+    const modelTopY = 2.8371768724243784;
+    const modelScale = 0.82;
+    const positionY = bossBurrowPositionY(modelTopY, modelScale);
+
+    expect(positionY + modelTopY * modelScale).toBeCloseTo(-BOSS_BURROW_CLEARANCE, 6);
+  });
+
+  it("starts sinking during the warning and remains submerged through the charge", () => {
+    expect(bossIsBurrowing("burrow-rush", "telegraph")).toBe(true);
+    expect(bossIsBurrowing("burrow-rush", "charging")).toBe(true);
+    expect(bossIsBurrowing("burrow-rush", "holding")).toBe(false);
+    expect(bossIsBurrowing("bull-charge", "charging")).toBe(false);
+  });
+});

src/components/boss/bossBurrowVisuals.ts

@@ -0,0 +1,18 @@
+import type { BossMechanicId, BossMotionMode } from "../../game/types";
+
+export const BOSS_BURROW_CLEARANCE = 0.58;
+
+export function bossBurrowPositionY(
+  modelTopY: number,
+  modelScale: number,
+  clearance = BOSS_BURROW_CLEARANCE,
+): number {
+  return -(Math.max(0, modelTopY) * Math.max(0, modelScale) + Math.max(0, clearance));
+}
+
+export function bossIsBurrowing(
+  activeMechanicId: BossMechanicId | null,
+  mode: BossMotionMode,
+): boolean {
+  return activeMechanicId === "burrow-rush" && (mode === "telegraph" || mode === "charging");
+}

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;
+}