Rippling Water
- Download the Water.as class and save it in your project directory.
- Download the pond project and save it in the same directory.
package {
import flash.display.*;
import flash.geom.*;
import flash.filters.*;
import flash.events.*;
public class Water extends MovieClip {
var bm:BitmapData;
var disp:DisplacementMapFilter;
var pt1:Point = new Point(0,0);
var pt2:Point = new Point(0,0);
var perlinOffset:Array = [pt1, pt2];
public function Water() {//constructor
bm=new BitmapData(this.width, this.height);
disp=new DisplacementMapFilter(bm,new Point(0,0),1,2,10,60);
addEventListener(Event.ENTER_FRAME, frames);
}
function frames(e:Event):void {
perlinOffset[0].x +=1;
perlinOffset[1].y +=0.1;
bm.perlinNoise(45,9,2,50,true,false, 7,true,perlinOffset);
this.filters=[disp];
} //frames
} //class
} //package
The pond is just a blue rectangle with a few streaks of other colors in it:
INDEX, Create a class: Start with a movie, Create a class: Bubble, Create a class in Flash, Variables, Constructor, Functions, Imports, Linkage, A Water Class, A Flag Class
Next lesson: OOPs: Creating a Bobber Class
