Add color support.

assets/scene/initial.lua

@@ -2,15 +2,20 @@ module('spritebatch')
 module('time')
 module('camera')
 module('glm')
+module('color')
 
 camera = cameraCreate(CAMERA_PROJECTION_TYPE_PERSPECTIVE)
 
+color = colorBlue()
+
 function sceneDispose()
   -- print('Disposing initial scene')
 end
 
 function sceneUpdate()
-  -- print('Updating initial scene')
+  color.r = 255 * (math.sin(TIME.time) + 1) * 0.5
+  color.g = 255 * (math.sin(TIME.time + 2) + 1) * 0.5
+  color.b = 255 * (math.sin(TIME.time + 4) + 1) * 0.5
 end
 
 function sceneRender()
@@ -19,8 +24,8 @@ function sceneRender()
   spriteBatchPush(
     nil,
     0, 0,
-    1, 1,
-    nil
+    1, 2,
+    color
   )
   spriteBatchFlush()