p2s
Version:
A JavaScript 2D physics engine.
61 lines (54 loc) • 2.16 kB
HTML
<html>
<head>
<title>Prismatic demo - p2.js physics engine</title>
<script src="../build/p2.js"></script>
<script src="../build/p2.renderer.js"></script>
<link href="css/demo.css" rel="stylesheet"/>
<meta name="description" content="Shows how to constrain two bodies using a PrismaticConstraint.">
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
</head>
<body>
<script>
// Create demo application
var app = new p2.WebGLRenderer(function(){
// Create the physics world
var world = new p2.World({
gravity : [0,-10]
});
this.setWorld(world);
// Create two rectangle bodies
var bodyA = new p2.Body({
mass: 1,
position: [-1,0],
});
bodyA.addShape(new p2.Box({ width: 1, height: 1 }));
world.addBody(bodyA);
var bodyB = new p2.Body({
mass: 1,
position: [1,0],
});
bodyB.addShape(new p2.Box({ width: 1, height: 1 }));
world.addBody(bodyB);
// Create PrismaticConstraint, aka "slider".
// It lets two bodies slide along an axis.
var prismatic = new p2.PrismaticConstraint(bodyA, bodyB, {
localAnchorA : [ 1, 0], // Anchor point in bodyA, where the axis starts
localAnchorB : [-1, 0], // Anchor point in bodyB, that will slide along the axis
localAxisA : [ 0, 1], // An axis defined locally in bodyA
upperLimit : 0.5, // Upper limit along the axis
lowerLimit : -0.5, // Lower limit along the axis
});
world.addConstraint(prismatic);
// Create ground
var planeShape = new p2.Plane();
var plane = new p2.Body({
position:[0,-1],
});
plane.addShape(planeShape);
world.addBody(plane);
});
</script>
</body>
</html>