moving matrix stuff

1 files changed, 30 insertions, 0 deletions

diff --git a/public/assets/javascripts/rectangles/engine/rooms/projector.js b/public/assets/javascripts/rectangles/engine/rooms/projector.js
new file mode 100644
index 0000000..2eac314
--- /dev/null
+++ b/public/assets/javascripts/rectangles/engine/rooms/projector.js
@@ -0,0 +1,30 @@
+
+rooms.projector = new function(){
+
+  projector = new THREE.Projector();
+  vector = new THREE.Vector3( mouse.x, mouse.y, 0.5 );
+  projector.unprojectVector( vector, camera );
+
+  raycaster = new THREE.Raycaster( camera.position, vector.sub( camera.position ).normalize() );
+  intersects = raycaster.intersectObjects( scene.children, true );
+
+}
+
+
+
+THREE.Projector = function () {
+
+	_viewProjectionMatrix = new THREE.Matrix4(),
+
+	this.unprojectVector = function ( vector, camera ) {
+		camera.projectionMatrixInverse.getInverse( camera.projectionMatrix );
+		
+		_viewProjectionMatrix.multiplyMatrices(
+			camera.matrixWorld,
+			camera.projectionMatrixInverse
+		);
+
+		return vector.applyProjection( _viewProjectionMatrix );
+	};
+
+}