Free ActionScript

Flash AS2 & AS3 Tutorials, Game Code, Effects, Source Files & Sample Downloads

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/

Using BitmapData – Center Bitmap Inside MovieClip

Here is a simple Flash BitmapData class example; How to attach bitmaps and center them inside their holder container movieclip.

Using bitmap images instead of vector shapes is a great way to increase performance in your flash games.

Preview

Download Fla Sample

Download Fla Sample

Using BitmapData – Attach Image Dynamically

Here  is a simple Flash BitmapData class example; How to attach bitmaps (images) dynamically at runtime.

Using bitmap images instead of vector shapes is a great way to increase performance in your flash games.

Preview

Download Fla Sample

Download Fla Sample