fix(minecraft): correct gaze ray pitch direction

services/minecraft/src/cognitive/reflex/gaze.test.ts

@@ -1,5 +1,5 @@
-import { describe, expect, it } from 'vitest'
 import { Vec3 } from 'vec3'
+import { describe, expect, it } from 'vitest'
 
 import { rayTraceBlockFromEntity } from './gaze'
 
@@ -22,7 +22,7 @@ describe('rayTraceBlockFromEntity', () => {
       username: 'tester',
       position: new Vec3(0, 64, 0),
       yaw: 0,
-      pitch: Math.PI / 4,
+      pitch: -Math.PI / 4,
     }
 
     const result = rayTraceBlockFromEntity(bot, entity, { maxDistance: 8, step: 0.1 })
@@ -42,7 +42,7 @@ describe('rayTraceBlockFromEntity', () => {
       username: 'tester',
       position: new Vec3(0, 64, 0),
       yaw: 0,
-      pitch: -Math.PI / 4,
+      pitch: Math.PI / 4,
     }
 
     const result = rayTraceBlockFromEntity(bot, entity, { maxDistance: 8, step: 0.1 })

services/minecraft/src/cognitive/reflex/gaze.ts

@@ -24,8 +24,8 @@ export interface PlayerGazeResult {
 
 function directionFromYawPitch(yaw: number, pitch: number): Vec3Like {
   const x = -Math.sin(yaw) * Math.cos(pitch)
-  // In Minecraft, positive pitch means looking down (negative Y direction).
-  const y = -Math.sin(pitch)
+  // Mineflayer pitch convention: positive pitch looks up, negative pitch looks down.
+  const y = Math.sin(pitch)
   const z = -Math.cos(yaw) * Math.cos(pitch)
   return { x, y, z }
 }