Category: Graphics

[SWF(width = 800, height = 450, backgroundColor=0xFFFFFF)]

graphics.beginFill(0xDEDEDE);
graphics.drawRect(0,0,400,400);

var container:Sprite = Sprite(addChild(new Sprite()));
draggable(rx(), ry(), 0x112233, 20);
draggable(rx(), ry(), 0x2266FF, 15);
draggable(rx(), ry(), 0x003299, 50, "rect");
draggable(rx(), ry(), 0xFFFFFF, 30);
draggable(rx(), ry(), 0x00CCFF, 15);
draggable(rx(), ry(), 0x1188CC, 50, "rect");

function rx():Number{
	return Math.random() * 200 + 100;
}
function ry():Number{
	return Math.random() * 200 + 100;
}

var guides:Shape = Shape(addChild(new Shape()));
with(guides.graphics){
       lineStyle(0, 0x666666)
       moveTo(200,0);
       lineTo(200,400);
       moveTo(0, 200);
       lineTo(400, 200);
       moveTo(400,0);
	   lineTo(400,400);
	   moveTo(0,400);
	   lineTo(800,400);
}

var canvas:BitmapData = new BitmapData(200,200,true, 0x00000000);
var tex:BitmapData = new BitmapData(800,800,false, 0xFFFFFF);

var frame:Bitmap = Bitmap(addChild(new Bitmap(tex, "auto", true)));
frame.x = 401;
frame.scaleX = frame.scaleY = 0.5;

var pnt:Point = new Point();
var m:Matrix = new Matrix();

addEventListener(Event.ENTER_FRAME, onLoop);
function onLoop(evt:Event):void {
	canvas.fillRect(canvas.rect, 0x00000000);
	canvas.draw(container);
	drawQuadrant(-200,0)
	drawQuadrant(-400,0)
	drawQuadrant(0,-200)
	drawQuadrant(-200,-200);
	tex.fillRect(tex.rect, 0xFFFFFF);
	for (var i:int = 0; i<16; i++){
		var px:Number = i % 4;
		var py:Number = int(i / 4);
		pnt.x = px * 200;
		pnt.y = py * 200;
		tex.copyPixels(canvas, canvas.rect, pnt, null, null, true);
       }
}

function drawQuadrant(x:Number, y:Number):void{
	 m.tx = x;
	 m.ty = y;
	 canvas.draw(container, m);
}

// draggable Sprite
function draggable(xp:Number, yp:Number, col:uint = 0xFF0000,
size:Number=4, type:String="circle"):Sprite {
       var s:Sprite = Sprite(container.addChild(new Sprite()));
       s.x = xp;
       s.y = yp;
       with(s.graphics){
               beginFill(col)
               if(type == "circle"){
                 drawCircle(size,size,size);
               }else if(type == "rect"){
                 drawRect(0,0,size, size);
               }
       }
       s.buttonMode = true;
       s.addEventListener(MouseEvent.MOUSE_DOWN, onDrag);
       return s;
}
function onDrag(evt:MouseEvent):void {
	var w:Number = evt.currentTarget.width;
	var h:Number = evt.currentTarget.height;
	evt.currentTarget.startDrag(false, new Rectangle(0,0,400 - w, 400 - h));
}
stage.addEventListener(MouseEvent.MOUSE_UP, onUp);
function onUp(evt:MouseEvent):void{ stopDrag() }

This snippet creates a seamless texture from a few draggable vector shapes. BitmapData is used to combine four quadrants into one seamless tile.

Have a look at the swf

I created this snippet as a sketch for a new feature for my command drawing project.