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Pixel Perfect Collision Detection

Preview v1.0.1

Download Fla Sample

Download Fla Sample

This script was based on an example by Mike Chambers: Using BitmapData.hitTest for Collision Detection.

Update – v1.0.1
Added dynamic clip highlighting on hit

Pixel Perfect Collision Detection

This is a great “pixel perfect bitmap collision detection with rotation” script by Grant Skinner. This is definitely better than hitTest for rotated irregularly shaped objects and bitmap images. Works great with transparent pngs as well.

Preview

Download Fla Sample

Download Fla Sample

Original Bitmap Collision detection class by Grant Skinner
http://www.gskinner.com/blog/archives/2005/10/source_code_sha.html

Update
AS3 version of this script is available here:
http://www.freeactionscript.com/2011/08/as3-pixel-perfect-collision-detection/