topical media & game development
#graphic-flex-draw-classes-FillingShapesWithBitmaps.ax
#graphic-flex-draw-classes-FillingShapesWithBitmaps.ax
[swf]
[flash]
flex
package {
import flash.display.BitmapData;
import flash.display.Shape;
import flash.display.Sprite;
import flash.geom.Matrix;
import flash.events.*;
[SWF(width=550, height=400, backgroundColor=0xFFFFFF)]
Demonstrates the different parameters of beginBitmapFill().
public class @ax-graphic-flex-draw-classes-FillingShapesWithBitmaps extends Sprite {
Constructor. Calls draw().
public function @ax-graphic-flex-draw-classes-FillingShapesWithBitmaps() {
super();
this.addEventListener(Event.ADDED_TO_STAGE, onAddedToStage);
}
private function onAddedToStage(e:Event):void
{
this.init();
}
private function init():void
{
draw();
}
Creates an image using Perlin noise.
returns: The image created.
private function makeBitmapData():BitmapData {
var bitmap:BitmapData = new BitmapData(100, 100);
bitmap.perlinNoise(40, 40, 2, Math.random(), true, false);
return bitmap;
}
Draws the created image into four shapes.
private function draw():void {
var bitmap:BitmapData = makeBitmapData();
// parameters for shapes
var width:Number = stage.stageWidth/2;
var height:Number = stage.stageHeight/2;
var radius:Number = 70;
// top left shape simply draws bitmap
var shape:Shape = new Shape();
with (shape.graphics) {
beginBitmapFill(bitmap);
drawRoundRect(0, 0, width, height, radius, radius);
endFill();
}
addChild(shape);
// top right shape does not tile bitmap
shape = new Shape();
var matrix:Matrix = new Matrix();
matrix.translate((width-bitmap.width)/2, (height-bitmap.height)/2);
with (shape.graphics) {
beginBitmapFill(bitmap, matrix, false);
drawRoundRect(0, 0, width, height, radius, radius);
endFill();
}
shape.x = width;
addChild(shape);
// bottom left shape shows rotated bitmap, not tiled
shape = new Shape();
matrix.rotate(Math.PI/4);
with (shape.graphics) {
beginBitmapFill(bitmap, matrix, false);
drawRoundRect(0, 0, width, height, radius, radius);
endFill();
}
shape.y = height;
addChild(shape);
// bottom right shape shows scaled bitmap, not smoothed
shape = new Shape();
matrix = new Matrix();
matrix.scale(10, 10);
with (shape.graphics) {
beginBitmapFill(bitmap, matrix, false, false);
drawRoundRect(0, 0, width, height, radius, radius);
endFill();
}
shape.x = width;
shape.y = height;
addChild(shape);
}
}
}
(C) Æliens
04/09/2009
You may not copy or print any of this material without explicit permission of the author or the publisher.
In case of other copyright issues, contact the author.
