Negate and flip camera vector - partially fixes raycasting, voxel/voxel-example#2

deathcap · deathcap · commit ef8c0eeb875b · 2014-05-06T09:00:40.000-07:00
diff --git a/index.js b/index.js
@@ -213,6 +213,9 @@ var _cameraVector = vector.create();
 Game.prototype.cameraVector = function() {
   if (this.cameraPlugin) {
     this.cameraPlugin.camera.getCameraVector(_cameraVector)
+    _cameraVector[0] = -_cameraVector[2]
+    _cameraVector[1] = -_cameraVector[1]
+    _cameraVector[2] = -_cameraVector[0]
   }
 
   return _cameraVector

Original file line number	Diff line number	Diff line change
`@@ -213,6 +213,9 @@ var _cameraVector = vector.create();`
`213`	`213`	`Game.prototype.cameraVector = function() {`
`214`	`214`	`if (this.cameraPlugin) {`
`215`	`215`	`this.cameraPlugin.camera.getCameraVector(_cameraVector)`
	`216`	`+ _cameraVector[0] = -_cameraVector[2]`
	`217`	`+ _cameraVector[1] = -_cameraVector[1]`
	`218`	`+ _cameraVector[2] = -_cameraVector[0]`
`216`	`219`	`}`
`217`	`220`
`218`	`221`	`return _cameraVector`