Physics World events added.

Group has new 'addToWorld' parameter, which fulfills the same function as the old useStage.
Stage now extends PIXI.Stage rather than owns one.

examples/wip/p28.js

@@ -0,0 +1,137 @@
+
+var game = new Phaser.Game(800, 600, Phaser.CANVAS, 'phaser-example', { preload: preload, create: create, update: update, render: render });
+
+function preload() {
+
+    game.load.image('backdrop', 'assets/pics/remember-me.jpg');
+	game.load.image('box', 'assets/sprites/block.png');
+
+}
+
+var box;
+var box2;
+var cursors;
+
+function p2px(v) {
+	return v *= -20;
+}
+
+function px2p(v) {
+	return v * -0.05;
+}
+
+function create() {
+
+    // game.world.setBounds(0, 0, 1920, 1200);
+    game.add.sprite(0, 0, 'backdrop');
+
+    game.physics.onBodyAdded.add(addedToWorld, this);
+
+	box = game.add.sprite(200, 200, 'box');
+	box.name = 'bob';
+	box.anchor.set(0.5);
+	box.physicsEnabled = true;
+
+	box2 = game.add.sprite(400, 200, 'box');
+	box2.name = 'ben';
+	box2.anchor.set(0.5); // if using physics you nearly always need to anchor from the center like this unless you don't need rotation
+	// box2.scale.set(2); // if you need to scale, do it BEFORE enabling physics. You can't do it at run-time.
+	box2.physicsEnabled = true;
+
+	box2.body.setZeroDamping();
+	box2.body.fixedRotation = true;
+
+	game.camera.follow(box2);
+
+    cursors = game.input.keyboard.createCursorKeys();
+
+    game.physics.defaultRestitution = 0.8;
+
+}
+
+function addedToWorld(body, world) {
+
+	console.log('Body added for', body);
+
+}
+
+function update() {
+
+	box2.body.setZeroVelocity();
+
+    if (cursors.left.isDown)
+    {
+    	box2.body.moveLeft(400);
+    }
+    else if (cursors.right.isDown)
+    {
+    	box2.body.moveRight(400);
+    }
+
+    if (cursors.up.isDown)
+    {
+    	box2.body.moveUp(400);
+    }
+    else if (cursors.down.isDown)
+    {
+    	box2.body.moveDown(400);
+    }
+
+}
+
+function render() {
+
+	game.debug.renderText('x: ' + box2.body.velocity.x, 32, 32);
+	game.debug.renderText('y: ' + box2.body.velocity.y, 32, 64);
+
+	// game.debug.renderText('x: ' + p2px(boxBody.position[0]), 32, 32);
+	// game.debug.renderText('y: ' + p2px(boxBody.position[1]), 32, 64);
+	// game.debug.renderText('r: ' + boxBody.angle, 32, 96);
+
+	// drawbox();
+
+}
+
+function drawbox() {
+
+	// var ctx = game.context;
+
+/*
+    ctx.save();
+    ctx.translate(game.width/2, game.height/2);  // Translate to the center
+    ctx.scale(50, -50);       // Zoom in and flip y axis
+
+	ctx.lineWidth = 0.05;
+	ctx.strokeStyle = 'rgb(255,255,255)';
+
+
+	ctx.beginPath();
+	var x = boxBody.position[0],
+	    y = boxBody.position[1];
+	ctx.save();
+	ctx.translate(x, y);        // Translate to the center of the box
+	ctx.rotate(boxBody.angle);  // Rotate to the box body frame
+	ctx.rect(-boxShape.width/2, -boxShape.height/2, boxShape.width, boxShape.height);
+	ctx.stroke();
+	ctx.closePath();
+	// ctx.restore();
+*/
+
+ //    ctx.save();
+ //    ctx.translate(game.width/2, game.height/2);  // Translate to the center
+ //    ctx.scale(20, -20);       // Zoom in and flip y axis
+
+	// ctx.lineWidth = 0.05;
+	// ctx.strokeStyle = 'rgb(255,255,255)';
+	// ctx.beginPath();
+
+ //        var y = planeBody.position[1];
+	// 	ctx.rotate(0);  // Rotate to the box body frame
+ //        ctx.moveTo(-game.width, y);
+ //        ctx.lineTo( game.width, y);
+ //        ctx.stroke();
+
+	// ctx.closePath();
+	// ctx.restore();
+}
+