this code is only available as Actionscript 3.0
addEventListener(Event.ENTER_FRAME, enterFrame);
var myBitmapData ;
initScreenshot() ;
var centerx= 200;
var centery= 200;
var angle= 0;
var radius = 100;
var speed = 5.1;
function enterFrame(event : Event){
angle= angle- speed;
square.x = centerx+ radius * Math.sin(angle* Math.PI / 180);
square.y = centery+ radius * Math.cos(angle* Math.PI / 180);
square.rotation=-angle;
drawScreenshot();
}
function initScreenshot() {
myBitmapData = new BitmapData(stage.stageWidth, stage.stageHeight);
var drawing:MovieClip = new MovieClip();
var bitmap = new Bitmap(myBitmapData);
drawing.addChild(bitmap);
this.addChild(drawing);
}
function drawScreenshot() {
myBitmapData.draw(stage);
}
This script is drawing a trace of the movement "Circular movement with rotation" by taking a screenshot, and placing it as a bitmap-image onto the drawingboard.
related to: Circular movement with rotation
2008-2010 by
Andres Wanner, Roman Schnyder
