cannon
Version:
A lightweight 3D physics engine written in JavaScript.
87 lines (69 loc) • 3.07 kB
HTML
<html>
<head>
<title>cannon.js - bunny demo</title>
<meta charset="utf-8">
<link rel="stylesheet" href="css/style.css" type="text/css"/>
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
</head>
<body>
<script src="../build/cannon.js"></script>
<script src="../build/cannon.demo.js"></script>
<script src="../libs/dat.gui.js"></script>
<script src="../libs/Three.js"></script>
<script src="../libs/TrackballControls.js"></script>
<script src="../libs/Detector.js"></script>
<script src="../libs/Stats.js"></script>
<script src="../libs/smoothie.js"></script>
<script src="js/bunny.js"></script>
<script>
var demo = new CANNON.Demo();
demo.addScene("Bunny",function(){
var world = demo.getWorld();
world.gravity.set(0,0,-20);
world.broadphase = new CANNON.NaiveBroadphase();
world.solver.iterations = 20;
world.defaultContactMaterial.contactEquationStiffness = 1e10;
world.defaultContactMaterial.contactEquationRelaxation = 10;
var bunnyBody = new CANNON.Body({ mass: 1 });
for(var i=0; i<bunny.length; i++){
var rawVerts = bunny[i].verts;
var rawFaces = bunny[i].faces;
var rawOffset = bunny[i].offset;
var verts=[], faces=[], offset;
// Get vertices
for(var j=0; j<rawVerts.length; j+=3){
verts.push(new CANNON.Vec3( rawVerts[j] ,
rawVerts[j+1],
rawVerts[j+2]));
}
// Get faces
for(var j=0; j<rawFaces.length; j+=3){
faces.push([rawFaces[j],rawFaces[j+1],rawFaces[j+2]]);
}
// Get offset
offset = new CANNON.Vec3(rawOffset[0],rawOffset[1],rawOffset[2]);
// Construct polyhedron
var bunnyPart = new CANNON.ConvexPolyhedron(verts,faces);
// Add to compound
bunnyBody.addShape(bunnyPart,offset);
}
// Create body
bunnyBody.quaternion.setFromAxisAngle(new CANNON.Vec3(1,0,0),-Math.PI/2);
var z180 = new CANNON.Quaternion();
z180.setFromAxisAngle(new CANNON.Vec3(0,0,1),Math.PI);
bunnyBody.quaternion = z180.mult(bunnyBody.quaternion);
world.add(bunnyBody);
demo.addVisual(bunnyBody);
// ground plane
var groundShape = new CANNON.Plane();
var groundBody = new CANNON.Body({ mass: 0 });
groundBody.addShape(groundShape);
groundBody.position.set(0,0,-5);
world.add(groundBody);
demo.addVisual(groundBody);
});
demo.start();
</script>
</body>
</html>