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Actionscript:
[SWF(width=800, height=600)]
var xn1:Number;
var xn:Number = Math.random() * Math.random() * .2;
var inc:int = 0;
var xp:Number = 10;
var yp:Number = 10;
var count:int = 1;
scaleX = scaleY = 2;
graphics.lineStyle(0,0x00000);
addEventListener(Event.ENTER_FRAME, onLoop);
function onLoop(evt:Event):void {
xn1 = 2 * xn % 1;
xn = xn1;
if (inc == 0){
[...]
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Actionscript:
var rand:Number = Math.random() * Math.random() * Math.random();
This is a trick I use when I need more contrast in my random numbers. In this case, the variable rand will get closer to the number 1 significantly less frequently than if you just used Math.random() once.
To illustrate this I created this snippet:
CLICK [...]
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Actionscript:
import com.actionsnippet.qbox.*;
var sim:QuickBox2D = new QuickBox2D(this);
sim.createStageWalls({lineAlpha:0,fillColor:0x000000})
sim.addBox({x:3, y:3, width:3, height:3, skin:BoxSkin});
sim.addCircle({x:3, y:8,radius:1.5, skin:CircleSkin});
sim.addPoly({x:6, y:3, verts:[[1.5,0,3,3,0,3,1.5,0]], skin:TriangleSkin});
sim.addBox({x:6, y:3, width:3, height:3, skin:BoxSkin});
sim.addCircle({x:6, y:8,radius:1.5, skin:CircleSkin});
sim.addPoly({x:12, y:3, verts:[[1.5,0,3,3,0,3,1.5,0]], skin:TriangleSkin});
sim.start();
sim.mouseDrag();
You'll need this fla to run this snippet since the graphics are in the library. This snippet shows how to easily use linkage classes as the graphics for your [...]
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Actionscript:
import com.actionsnippet.qbox.*;
import Box2D.Common.Math.*;
stage.frameRate = 60;
var sim:QuickBox2D = new QuickBox2D(this);
sim.createStageWalls();
createTraveler(3, 3);
addObstacles();
function addObstacles():void{
sim.setDefault({groupIndex:-1, density:0, height:0.4});
sim.addBox({x:6, y:5, width:8, angle:0.17})
sim.addBox({x:7, y:7.1, width:8, angle:-0.17})
sim.addBox({x:5, y:9.1, width:8, angle:0.10})
sim.addBox({x:6, y:11.5, width:8.9, angle:-0.20})
sim.addBox({x:5.5, y:16, width:9, angle:0.20})
sim.addBox({x:5.5, y:18, width:9})
sim.addCircle({x:11, y:20, radius:2.5, groupIndex:1});
sim.addBox({x:16, y:19, [...]