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improved Demo.manipulation

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liabru 2014-06-04 15:41:17 +01:00
parent 0a453a2b63
commit e186ccd7e2
1 changed files with 12 additions and 4 deletions
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16
demo/js/Demo.js
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@ -244,9 +244,10 @@
bodyC = Bodies.rectangle(300, 200, 50, 50),
bodyD = Bodies.rectangle(400, 200, 50, 50),
bodyE = Bodies.rectangle(550, 200, 50, 50),
bodyF = Bodies.rectangle(700, 200, 50, 50);
bodyF = Bodies.rectangle(700, 200, 50, 50),
bodyG = Bodies.circle(400, 100, 25);
World.add(_world, [bodyA, bodyB, bodyC, bodyD, bodyE, bodyF]);
World.add(_world, [bodyA, bodyB, bodyC, bodyD, bodyE, bodyF, bodyG]);
var counter = 0,
scaleFactor = 1.01;
@ -255,10 +256,13 @@
Events.on(_engine, 'tick', function(event) {
counter += 1;
if (counter === 40)
Body.setStatic(bodyG, true);
if (scaleFactor > 1) {
Body.scale(bodyF, scaleFactor, scaleFactor);
// modify body vertices
// modify bodyE vertices
bodyE.vertices[0].x -= 0.2;
bodyE.vertices[0].y -= 0.2;
bodyE.vertices[1].x += 0.2;
@ -266,9 +270,12 @@
Body.setVertices(bodyE, bodyE.vertices);
}
// make bodyA move up and down and rotate constantly
Body.setPosition(bodyA, { x: 100, y: 300 + 100 * Math.sin(_engine.timing.timestamp * 0.005) });
Body.setAngularVelocity(bodyA, 0.02);
// every 1.5 sec
if (counter >= 60 * 1.5) {
Body.setPosition(bodyA, { x: 100, y: 200 });
Body.setVelocity(bodyB, { x: 0, y: -10 });
Body.setAngle(bodyC, -Math.PI * 0.26);
Body.setAngularVelocity(bodyD, 0.2);
@ -281,6 +288,7 @@
);
var renderOptions = _engine.render.options;
renderOptions.wireframes = false;
renderOptions.showAxes = true;
renderOptions.showCollisions = true;
};