Release Healer Man 0.1.49

src/game/spectatorCameraMath.ts

@@ -7,6 +7,8 @@ export interface SpectatorCameraAxes {
 }
 
 const MAX_CAMERA_FRAME_SECONDS = 0.1;
+const KEYBOARD_YAW_RADIANS_PER_SECOND = 2.25;
+const KEYBOARD_PITCH_RADIANS_PER_SECOND = 1.55;
 
 function held(codes: ReadonlySet<string>, ...candidates: readonly string[]): number {
   return Number(candidates.some((code) => codes.has(code)));
@@ -24,6 +26,20 @@ export function spectatorCameraBoosted(codes: ReadonlySet<string>): boolean {
   return codes.has("ShiftLeft") || codes.has("ShiftRight");
 }
 
+/** Returns frame-bounded arrow-key look deltas in the same orientation as mouse look. */
+export function spectatorKeyboardLookDelta(
+  codes: ReadonlySet<string>,
+  deltaSeconds: number,
+): readonly [horizontal: number, vertical: number] {
+  const seconds = Number.isFinite(deltaSeconds)
+    ? Math.max(0, Math.min(MAX_CAMERA_FRAME_SECONDS, deltaSeconds))
+    : 0;
+  return [
+    (held(codes, "ArrowRight") - held(codes, "ArrowLeft")) * seconds * KEYBOARD_YAW_RADIANS_PER_SECOND,
+    (held(codes, "ArrowDown") - held(codes, "ArrowUp")) * seconds * KEYBOARD_PITCH_RADIANS_PER_SECOND,
+  ];
+}
+
 /** Returns a bounded, normalized free-flight translation for one render frame. */
 export function spectatorCameraTranslation(
   yaw: number,
@@ -36,8 +52,10 @@ export function spectatorCameraTranslation(
   const forwardX = Math.sin(yaw) * Math.cos(pitch);
   const forwardY = Math.sin(pitch);
   const forwardZ = Math.cos(yaw) * Math.cos(pitch);
-  const rightX = Math.cos(yaw);
-  const rightZ = -Math.sin(yaw);
+  // With Three's +Z-forward camera convention, screen-right is -X at zero
+  // yaw. Keep this basis aligned with cameraRelativeMovement.
+  const rightX = -Math.cos(yaw);
+  const rightZ = Math.sin(yaw);
   let x = forwardX * axes.forward + rightX * axes.right;
   let y = forwardY * axes.forward + axes.vertical;
   let z = forwardZ * axes.forward + rightZ * axes.right;