more work

js/lib/microphysics.virtualjoystickAccelerator.js

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+vphy.VirtualJoystickAccelerator = vphy.Class({
+ __extends__ : vphy.Accelerator,
+ __init__ : function(args){
+ var params = vphy.extend({
+ }, args);
+ this.bodies = params.bodies;
+ this.joystick = params.joystick;
+ this.acceleration = params.acceleration;
+ },
+ perform : function(){
+ var joystick = this.joystick;
+ var acc = this.acceleration;
+ var key = {
+ right : joystick.right(),
+ up : joystick.up(),
+ left : joystick.left(),
+ down : joystick.down()
+ };
+ // TODO do something like device orientation
+ // something which takes advantage of the analogic part
+ for(var i = 0; i < this.bodies.length; i++){
+ var body = this.bodies[i];
+ if( key.right ) body.accelerate(+acc,0,0);
+ if( key.left ) body.accelerate(-acc,0,0);
+ if( key.up ) body.accelerate(0,0,-acc);
+ if( key.down ) body.accelerate(0,0,+acc);
+ }
+ }
+});