forked from: wonderfl KeyVisual V.4.ja
package {
import flash.display.Sprite;
import flash.events.MouseEvent;
import flash.display.CapsStyle;
import flash.display.LineScaleMode;
public class FlashTest extends Sprite {
private var jackson:Sprite;
private var prevX:int;
private var prevY:int;
private var startPosX:int;
private var startPosY:int;
private var disX:Number;
private var disY:Number;
private var color:uint;
public function FlashTest() {
jackson = addChild(new Sprite()) as Sprite;
stage.addEventListener(MouseEvent.MOUSE_MOVE, _move);
stage.addEventListener(MouseEvent.MOUSE_DOWN,_down)
jackson .doubleClickEnabled = true;
stage.addEventListener(MouseEvent.DOUBLE_CLICK,onMouseDoubleClick)
}
private function onMouseDoubleClick(e:MouseEvent):void{
jackson.graphics.clear();
}
private function _down(e:MouseEvent):void {
color = Math.random() * 0xFFFFFF;
}
private function _move(e:MouseEvent):void {
var distance:Number = Math.sqrt(Math.pow(prevX - startPosX, 2) + Math.pow(prevY - startPosY, 2))
var a:Number = distance * 10 * (Math.pow(Math.random(), 2) - 0.5)
var r:Number = Math.random() - 0.5
var size:Number = Math.random() * 15 / distance
disX = (prevX - startPosX) * Math.sin(0.5) + startPosX;
disY = (prevY - startPosY) * Math.cos(0.5) + startPosY;
startPosX = prevX;
startPosY = prevY;
prevX = mouseX
prevY = mouseY
jackson.graphics.moveTo(startPosX, startPosY);
jackson.graphics.curveTo(disX,disY,prevX,prevY)
jackson.graphics.lineStyle(((Math.random()+20/10-0.5)*size+(1-Math.random()+30/20-0.5)*size), color,1, false, LineScaleMode.NONE, CapsStyle.ROUND);
jackson.graphics.moveTo(startPosX + a, startPosY + a);
jackson.graphics.lineTo(startPosX+r+a, startPosY+r+a);
jackson.graphics.endFill();
}
}
}