ColorBall

by lzjnsn 26 Jan 2010

Embed

package {
	import flash.display.*;
	import flash.events.*;
	import flash.filters.BlurFilter;
	import org.libspark.betweenas3.BetweenAS3;
	import org.libspark.betweenas3.tweens.ITween;
	import org.libspark.betweenas3.easing.*;

	[SWF(backgroundColor="#000000", frameRate=60)]
	public class ColorBall extends Sprite {
		
		private var color:Number = 0;
		private var colorNum:Number = 0;
		
		public function ColorBall() {
			stage.addEventListener( MouseEvent.MOUSE_MOVE, MouseMove );
		}
		
		private function MouseMove( event:MouseEvent ):void {
			var colorSpeed:Number = 5;
			color += colorSpeed;
			if ( color > 255 ) { color = 0, colorNum++ };
			if ( colorNum > 5 ) { colorNum = 0 };
			
			var _ball:Ball = new Ball( color, colorNum );
			_ball.x = stage.mouseX;
			_ball.y = stage.mouseY;
			
			var blur:BlurFilter = new BlurFilter(10, 10, 2);
			_ball.filters = [blur];
			
			addChild( _ball );
			tweenSet( _ball );
		}
		
		private function tweenSet( _ball:Ball ):void {
			var startT:ITween = BetweenAS3.tween(_ball, {alpha: 1}, {alpha: 0}, 0.3, Quart.easeIn);
			var endT:ITween = BetweenAS3.tween(_ball, { alpha: 0 }, { alpha: 1 }, 2, Quart.easeOut);
			
			var serealT:ITween = BetweenAS3.serial( startT, endT );
			serealT.play();
		}
	}
}

import flash.display.Sprite;
import flash.display.Graphics;

class Ball extends Sprite {
	public function Ball( color:Number, colorNum:Number ):void {
		var myGraphics:Graphics = graphics;
		myGraphics.beginFill( setColor( color, colorNum ) );
		myGraphics.drawCircle( 0, 0, 80 );
	}
	
	private function setColor( color:Number, colorNum:Number ):Number {
		switch ( colorNum ) {
			case 0:
				color = 0xFF0000 + color * Math.pow( 16, 2 );
				break;
			case 1:
				color = 0xFFFF00 - color * Math.pow( 16, 4 );
				break;
			case 2:
				color = 0x00FF00 + color;
				break;
			case 3:
				color = 0x00FFFF - color * Math.pow( 16, 2 );
				break;
			case 4:
				color = 0x0000FF + color * Math.pow( 16, 4 );
				break;
			case 5:
				color = 0xFF00FF - color;
				break;
		}
		return color;
	}
}