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Actionscript:
var connect:Function = function(xp:Number, yp:Number, col:uint=0):Function{
graphics.lineStyle(0,col);
graphics.moveTo(xp, yp);
var line:Function = function(xp:Number, yp:Number):Function{
graphics.lineTo(xp, yp);
return line;
}
return line;
}
// draw a triangle
connect(200,100)(300,300)(100,300)(200, 100);
// draw a box
connect(100,100, 0xFF0000)(150,100)(150,150)(100, 150)(100,100);
This is one of those techniques that I never really get tired [...]
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Actionscript:
import com.actionsnippet.qbox.*;
import Box2D.Dynamics.*
stage.frameRate = 60;
var sim:QuickBox2D = new QuickBox2D(this, {debug:true});
// get at the b2DebugDraw instance
var debug:b2DebugDraw = sim.w.m_debugDraw;
debug.m_drawScale = 30.0;
debug.m_fillAlpha = 0.5;
debug.m_alpha = 0.5;
debug.m_lineThickness = 1.0;
debug.m_drawFlags = 0xFF;
sim.createStageWalls();
for (var i:int = 0; i<10; i++){
sim.addBox({x:3 + i, y:3 + i, width:2, height:0.5});
}
sim.addCircle({x:12, y:5, radius:2});
sim.start();
sim.mouseDrag();
Note: This snippet requires the QuickBox2D library
This snippet [...]
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Actionscript:
var slider:MovieClip = makeSlider();
slider.addEventListener(Event.CHANGE, function(evt:Event):void{
trace(evt.currentTarget.percent);
});
function makeSlider():MovieClip{
var slider:MovieClip = MovieClip(addChild(new MovieClip()));
var circle:Sprite = Sprite(slider.addChild(new Sprite()));
with (circle.graphics) beginFill(0x000000), drawCircle(0,0,10);
var line:Shape = Shape(slider.addChild(new Shape()));
with (line.graphics) [...]
Since the release of QuickBox2D 1.0 two bugs were discovered by numerous developers. The first bug was the inability to properly destroy group objects. The second bug was a small memory leak that caused most QuickObjects to remain in memory. Both of these bugs are now resolved.
Download QuickBox2D 1.1
Testing the memory leak. In QuickBox2D 1.0 [...]