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AS2 Draw Circle

/ Published in: ActionScript
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I recently has to work on an AS2 project (yuk) and create circles dynamically. Here is a handy function for this.

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  1. drawCircle(this, 300, 300, 16, 0x0000FF);
  2.  
  3. function drawCircle(mc:MovieClip, x:Number, y:Number, r:Number, color:Number):Void {
  4. 	mc.beginFill(color);
  5. 	mc.moveTo(x+r, y);
  6. 	mc.curveTo(r+x, Math.tan(Math.PI/8)*r+y, Math.sin(Math.PI/4)*r+x, 
  7. 	Math.sin(Math.PI/4)*r+y);
  8. 	mc.curveTo(Math.tan(Math.PI/8)*r+x, r+y, x, r+y);
  9. 	mc.curveTo(-Math.tan(Math.PI/8)*r+x, r+y, -Math.sin(Math.PI/4)*r+x, 
  10. 	Math.sin(Math.PI/4)*r+y);
  11. 	mc.curveTo(-r+x, Math.tan(Math.PI/8)*r+y, -r+x, y);
  12. 	mc.curveTo(-r+x, -Math.tan(Math.PI/8)*r+y, -Math.sin(Math.PI/4)*r+x, 
  13. 	-Math.sin(Math.PI/4)*r+y);
  14. 	mc.curveTo(-Math.tan(Math.PI/8)*r+x, -r+y, x, -r+y);
  15. 	mc.curveTo(Math.tan(Math.PI/8)*r+x, -r+y, Math.sin(Math.PI/4)*r+x, 
  16. 	-Math.sin(Math.PI/4)*r+y);
  17. 	mc.curveTo(r+x, -Math.tan(Math.PI/8)*r+y, r+x, y);
  18. 	mc.endFill();
  19. }

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