auto-git:

[change] tests/unit/dialogue-attention-camera.test.ts

tests/unit/dialogue-attention-camera.test.ts

@@ -1,20 +1,23 @@
 import { describe, expect, it } from "vitest";
+import { Vector3 } from "three";
 
 import { resolveDialogueAttentionCameraSolution } from "../../src/runtime-three/dialogue-attention-camera";
 
 describe("resolveDialogueAttentionCameraSolution", () => {
-  it("chooses a stable shoulder side from the reference camera and biases framing toward the NPC", () => {
+  it("orbits around the conversation midpoint and frames the player and npc on opposite sides", () => {
+    const playerFocusPoint = {
+      x: 0,
+      y: 1.6,
+      z: 0
+    };
+    const npcFocusPoint = {
+      x: 2,
+      y: 1.7,
+      z: 2
+    };
     const solution = resolveDialogueAttentionCameraSolution({
-      playerFocusPoint: {
-        x: 0,
-        y: 1.6,
-        z: 0
-      },
-      npcFocusPoint: {
-        x: 2,
-        y: 1.7,
-        z: 2
-      },
+      playerFocusPoint,
+      npcFocusPoint,
       referenceCameraPosition: {
         x: 4,
         y: 2.2,
@@ -26,11 +29,43 @@ describe("resolveDialogueAttentionCameraSolution", () => {
         z: 1
       }
     });
+    const forward = new Vector3(
+      solution.lookTarget.x - solution.position.x,
+      solution.lookTarget.y - solution.position.y,
+      solution.lookTarget.z - solution.position.z
+    ).normalize();
+    const right = new Vector3().crossVectors(forward, new Vector3(0, 1, 0)).normalize();
+    const playerViewOffset = right.dot(
+      new Vector3(
+        playerFocusPoint.x - solution.position.x,
+        playerFocusPoint.y - solution.position.y,
+        playerFocusPoint.z - solution.position.z
+      )
+    );
+    const npcViewOffset = right.dot(
+      new Vector3(
+        npcFocusPoint.x - solution.position.x,
+        npcFocusPoint.y - solution.position.y,
+        npcFocusPoint.z - solution.position.z
+      )
+    );
+    const pairDirection = new Vector3(
+      npcFocusPoint.x - playerFocusPoint.x,
+      0,
+      npcFocusPoint.z - playerFocusPoint.z
+    ).normalize();
+    const horizontalForward = new Vector3(forward.x, 0, forward.z).normalize();
 
     expect(solution.sideSign).toBe(1);
+    expect(solution.pivot).toEqual({
+      x: 1,
+      y: 1.65,
+      z: 1
+    });
     expect(solution.position.y).toBeGreaterThan(2);
-    expect(solution.lookTarget.x).toBeGreaterThan(1);
-    expect(solution.lookTarget.z).toBeGreaterThan(1);
+    expect(playerViewOffset * npcViewOffset).toBeLessThan(0);
+    expect(Math.abs(horizontalForward.dot(pairDirection))).toBeGreaterThan(0.2);
+    expect(Math.abs(horizontalForward.dot(pairDirection))).toBeLessThan(0.9);
   });
 
   it("preserves the authored dialogue side sign across solver updates", () => {