diff --git a/lib/torque/renderer/ball.js b/lib/torque/renderer/ball.js
index a46846b..3e216e2 100644
--- a/lib/torque/renderer/ball.js
+++ b/lib/torque/renderer/ball.js
@@ -42,7 +42,7 @@ BallRenderer.prototype = {
 	},
 	addPoint: function(x, y, alpha){
 		var indexPos = this.getRIndexPos(x, y);
-		this.pointList[indexPos + 3] = this.pointList[indexPos + 3] + alpha;
+		this.pointLayer[indexPos + 3] = this.pointLayer[indexPos + 3] + alpha;
 	},
 	horizontalLine: function(xi, yi, xf, yf, x0, y0){
 		function lineDistance(x,y){
diff --git a/lib/torque/renderer/point.js b/lib/torque/renderer/point.js
index b1bc059..902b72c 100644
--- a/lib/torque/renderer/point.js
+++ b/lib/torque/renderer/point.js
@@ -247,7 +247,6 @@ var ballRenderer = require('./ball.js');
             // }
           }
         }
-        this.ballRenderer.draw();
       }
       
       prof.end(true);