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// This file comes from Box2D-JS, Copyright (c) 2008 ANDO Yasushi.
// The original version is available at http://box2d-js.sourceforge.net/ under the
// zlib/libpng license (see License.txt).
// This version has been modified to make it work with O3D.
function createWorld() {
var worldAABB = new b2AABB();
worldAABB.minVertex.Set(-1000, -1000);
worldAABB.maxVertex.Set(1000, 1000);
var gravity = new b2Vec2(0, 300);
var doSleep = true;
var world = new b2World(worldAABB, gravity, doSleep);
createGround(world);
createBox(world, 0, 125, 10, 250);
createBox(world, 500, 125, 10, 250);
return world;
}
function createGround(world) {
var groundSd = new b2BoxDef();
groundSd.extents.Set(250, 50);
groundSd.restitution = 0.2;
var groundBd = new b2BodyDef();
groundBd.AddShape(groundSd);
groundBd.position.Set(250, 340);
// NOTE: Added the following line to create a 3d object to display.
groundBd.userData = g.mgr.createBox(250, 50);
return world.CreateBody(groundBd)
}
function createBall(world, x, y) {
var ballSd = new b2CircleDef();
ballSd.density = 1.0;
ballSd.radius = 20;
ballSd.restitution = 1.0;
ballSd.friction = 0;
var ballBd = new b2BodyDef();
ballBd.AddShape(ballSd);
ballBd.position.Set(x,y);
// NOTE: Added the following line to create a 3d object to display.
ballBd.userData = g.mgr.createCylinder(ballSd.radius);
return world.CreateBody(ballBd);
}
function createBox(world, x, y, width, height, fixed) {
if (typeof(fixed) == 'undefined') fixed = true;
var boxSd = new b2BoxDef();
if (!fixed) boxSd.density = 1.0;
boxSd.extents.Set(width, height);
var boxBd = new b2BodyDef();
// NOTE: Added the following line to create a 3d object to display.
boxBd.userData = g.mgr.createBox(width, height);
boxBd.AddShape(boxSd);
boxBd.position.Set(x,y);
return world.CreateBody(boxBd)
}
var demos = {};
demos.InitWorlds = [];
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