Flade, opensource 2D physic engine

http://grekokatolicy.pl/?a-good-proposal A Good Proposal Today Davide shows to me this link to a new opensource project regarding Flash. It’s a “free library for simulating 2D physics in Flash using Verlet integration. It currently features particles, stick & angular constraints, wheels, and surfaces composed of line segments. Designed primarily for games with a goal of speed and ease of use” I immediately downloaded the available “alpha” release and made a first test..

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http://suisse-langenthal.ch/essay-writing-with-thesis-statement/ Essay Writing With Thesis Statement I don’t know if the project is still alive and which is the developement status, but it looks very promising. Literary Analysis Essay On The Things They Carried …And here the code used for the example above:

Can T Do My Homework var psystem = new ParticleSystem(); psystem.setDamping(1.0); psystem.setGravity(0.0, 0.4); // cooefficient of restitution psystem.setKfr(0.1); // surface friction for particles psystem.setFriction(0.5); // surfaces var sA = new Surface(new Point(0, 0), new Point(1, 200)); sA.setIsOrientH(false); psystem.addSurface(sA); var s0 = new Surface(new Point(1, 200), new Point(100, 200)); psystem.addSurface(s0); var s2 = new Surface(new Point(220, 170), new Point(300, 200)); psystem.addSurface(s2); var s3 = new Surface(new Point(300, 200), new Point(400, 150)); psystem.addSurface(s3); var sB = new Surface(new Point(399, 150), new Point(399, 0)); sB.setIsOrientH(false); psystem.addSurface(sB); // circle surface var circA = new CircleSurface(170, 220, 70); psystem.addSurface(circA); var leftX = 10; var rightX = 50 var widthX = rightX - leftX; var midX = leftX + (widthX / 2); var topY = 160; // wheels var wheelA = psystem.addWheel(leftX, topY, 10); var wheelB = psystem.addWheel(rightX, topY, 10); wheelA.coeffSlip = 0.0; wheelB.coeffSlip = 0.0; // body var rectA = psystem.addRectangle(new Vector(midX, topY), widthX, 10); // wheel struts var conn1 = psystem.addConstraint(wheelA.wp, rectA.p3); conn1.setRestLength(5); var conn2 = psystem.addConstraint(wheelB.wp, rectA.p2); conn2.setRestLength(5); var conn1a = psystem.addConstraint(wheelA.wp, rectA.p0); conn1a.setRestLength(5); var conn2a = psystem.addConstraint(wheelB.wp, rectA.p1); conn2a.setRestLength(5); psystem.paintSurfaces(); this.onEnterFrame = function() { var keySpeed = 2.0; if(Key.isDown(Key.LEFT)) { wheelA.rp.vs = -keySpeed; wheelB.rp.vs = -keySpeed; } else if(Key.isDown(Key.RIGHT)) { wheelA.rp.vs = keySpeed; wheelB.rp.vs = keySpeed; } else { wheelA.rp.vs = 0; wheelB.rp.vs = 0; } if (Key.isDown(Key.UP)) { if (ang.targetTheta < 2.9) ang.targetTheta += .1; } else { if (ang.targetTheta > angDefault) ang.targetTheta -= .1; } psystem.timeStep(); psystem.paintWheels(); psystem.paintConstraints(); }