Merge pull request #6913 from apare/master

Add p2.js Type definitions

p2/p2-tests.ts

@@ -0,0 +1,45 @@
+/// <reference path="p2.d.ts"/>
+
+// Create a physics world, where bodies and constraints live
+var world = new p2.World({
+    gravity:[0, -9.82]
+});
+
+// Create an empty dynamic body
+var circleBody = new p2.Body({
+    mass: 5,
+    position: [0, 10]
+});
+
+// Add a circle shape to the body.
+var circleShape = new p2.Circle({ radius: 1 });
+circleBody.addShape(circleShape);
+
+// ...and add the body to the world.
+// If we don't add it to the world, it won't be simulated.
+world.addBody(circleBody);
+
+// Create an infinite ground plane.
+var groundBody = new p2.Body({
+    mass: 0 // Setting mass to 0 makes the body static
+});
+var groundShape = new p2.Plane();
+groundBody.addShape(groundShape);
+world.addBody(groundBody);
+
+// To get the trajectories of the bodies,
+// we must step the world forward in time.
+// This is done using a fixed time step size.
+var timeStep = 1 / 60; // seconds
+
+// The "Game loop". Could be replaced by, for example, requestAnimationFrame.
+setInterval(function(){
+
+    // The step method moves the bodies forward in time.
+    world.step(timeStep);
+
+    // Print the circle position to console.
+    // Could be replaced by a render call.
+    console.log("Circle y position: " + circleBody.position[1]);
+
+}, 1000 * timeStep);