This is the O3D source tree's initial commit to the Chromium tree. It

is not built or referenced at all by the chrome build yet, and doesn't 
yet build in it's new home.  We'll change that shortly.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@17035 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 53 insertions, 0 deletions

diff --git a/o3d/samples/box2d-3d/demos/top.js b/o3d/samples/box2d-3d/demos/top.js
new file mode 100644
index 0000000..e569e7e
--- /dev/null
+++ b/o3d/samples/box2d-3d/demos/top.js
@@ -0,0 +1,53 @@
+// 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.
+
+demos.top = {};
+demos.top.createBall = function(world, x, y, rad, fixed) {
+  var ballSd = new b2CircleDef();
+  if (!fixed) ballSd.density = 1.0;
+  ballSd.radius = rad || 10;
+  ballSd.restitution = 0.2;
+  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);
+};
+demos.top.createPoly = function(world, x, y, points, fixed) {
+  var polySd = new b2PolyDef();
+  if (!fixed) polySd.density = 1.0;
+  polySd.vertexCount = points.length;
+  for (var i = 0; i < points.length; i++) {
+    polySd.vertices[i].Set(points[i][0], points[i][1]);
+  }
+  var polyBd = new b2BodyDef();
+  if (points.length == 3) {
+    // NOTE: Added the following line to create a 3d object to display.
+    polyBd.userData = g.mgr.createWedge(points);
+  }
+  polyBd.AddShape(polySd);
+  polyBd.position.Set(x,y);
+  return world.CreateBody(polyBd)
+};
+demos.top.initWorld = function(world) {
+  demos.top.createBall(world, 350, 100, 50, true);
+  demos.top.createPoly(world, 100, 100, [[0, 0], [10, 30], [-10, 30]], true);
+  demos.top.createPoly(world, 150, 150, [[0, 0], [10, 30], [-10, 30]], true);
+  var pendulum = createBox(world, 150, 100, 20, 20, false);
+  var jointDef = new b2RevoluteJointDef();
+  jointDef.body1 = pendulum;
+  jointDef.body2 = world.GetGroundBody();
+  jointDef.anchorPoint = pendulum.GetCenterPosition();
+  world.CreateJoint(jointDef);
+
+  var seesaw = demos.top.createPoly(world, 300, 200, [[0, 0], [100, 30], [-100, 30]]);
+  jointDef.body1 = seesaw;
+  jointDef.anchorPoint = seesaw.GetCenterPosition();
+  world.CreateJoint(jointDef);
+};
+demos.InitWorlds.push(demos.top.initWorld);
+
+