forked from: Wave

Frocessingで書き直し。

by osamX 04 Jan 2010

• Forked from osamX's Wave
• Diff: 36
• Related works: 1
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/**
 * Copyright osamX ( http://wonderfl.net/user/osamX )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/maWx
 */

// forked from osamX's Wave
// Frocessingで書き直し。
package 
{
	import flash.geom.Point;
	import frocessing.display.F5MovieClip2D;
	
	[SWF(width=465, height=465, backgroundColor=0x000000, frameRate=30)]
	public class Main extends F5MovieClip2D 
	{
		private const SIZE:Number = 50;
		private const NUM:uint = 10;
		private const PI:Number = Math.PI;
		private var mouseP:Point;
		private var r:Number = 0;
		
		public function setup():void
		{
			mouseP = new Point();
			background(0);
		}
		
		public function draw():void {
			background(0);
			mouseP.x += (stage.mouseX - mouseP.x) / 5;
			mouseP.y += (stage.mouseY - mouseP.y) / 5;
			r = (r + 6) % 360;
			
			var offsetY:Number = 465/2-NUM/2, radian:Number, color:uint, dif:Number,
				lastP:Point = new Point(), currentP:Point = new Point();
			for (var yy:int = 0; yy < NUM; yy++) {
				radian = (5 * yy + r) % 360;
				for (var xx:int = 0; xx < 465; xx++) {
					currentP.x = xx;
					currentP.y = SIZE * Math.sin(PI*radian/180) + yy + offsetY;
					if(xx){
						dif = Math.abs( Math.atan((465/2-mouseP.y)/(465/2-mouseP.x)) - Math.atan((currentP.y-lastP.y)/(currentP.x-lastP.x)) );
						if (dif > PI / 2) dif = PI - dif;
						color = 0xFF*dif/(PI/2);
						stroke(color, color, color);
						line(lastP.x, lastP.y, currentP.x, currentP.y);
					}
					lastP.x = currentP.x;
					lastP.y = currentP.y;
					radian = (radian + 1) % 360;
				}
			}
			line(465 / 2, 465 / 2, mouseP.x, mouseP.y);
		}
	}
}