First commit of Ninja to ninja-internal

Signed-off-by: Valerio Virgillito <rmwh84@motorola.com>

1 files changed, 54 insertions, 0 deletions

diff --git a/js/helper-classes/RDGE/src/core/script/shadowLight.js b/js/helper-classes/RDGE/src/core/script/shadowLight.js
new file mode 100644
index 00000000..80d9331a
--- /dev/null
+++ b/js/helper-classes/RDGE/src/core/script/shadowLight.js
@@ -0,0 +1,54 @@
+/* <copyright>

+This file contains proprietary software owned by Motorola Mobility, Inc.<br/>

+No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>

+(c) Copyright 2011 Motorola Mobility, Inc.  All Rights Reserved.

+</copyright> */

+

+/* 

+ * shadow light - a modified camera used to describe a shadow casting light

+ */

+shadowLight = function() 

+{

+        // inherit from the base class

+        this.inheritedFrom = camera;

+        this.inheritedFrom();

+        

+        // matrices needed for shadow projection

+        this.invViewMatrix=mat4.identity();

+        this.mvpMatrix=mat4.identity();

+        

+        // texture matrix

+        this.shadowMatrix=mat4.identity();           

+        this.shadowMatrix=mat4.scale(this.shadowMatrix,[0.5,0.5,0.5]);

+        this.shadowMatrix=mat4.translate(this.shadowMatrix,[0.5,0.5,0.5]);

+        

+        // cached references

+        this.renderer = null;

+        this.cameraManager = null;

+        

+        // shadow bias offset

+        this.shadowBias = 0.0195;

+        

+        this.init = function ()

+        {

+                this.renderer = g_Engine.getContext().renderer;

+                this.cameraManager = this.renderer.cameraManager();

+        }

+        

+        /*

+         *      makes the light the current 'camera'

+         */

+        this.activate = function()

+        {

+                this.cameraManager.pushCamera(this);

+        }

+        

+        /*

+         *      restores the camera stack

+         */

+        this.deactivate = function()

+        {

+                this.cameraManager.popCamera(); 

+        }

+        

+}