phaser/wip/TS Source/particles/behaviours/RandomDrift.js
2013-09-13 16:24:01 +01:00

45 lines
2.2 KiB
JavaScript

var __extends = this.__extends || function (d, b) {
function __() { this.constructor = d; }
__.prototype = b.prototype;
d.prototype = new __();
};
var Phaser;
(function (Phaser) {
(function (Particles) {
/// <reference path="../../_definitions.ts" />
(function (Behaviours) {
var RandomDrift = (function (_super) {
__extends(RandomDrift, _super);
function RandomDrift(driftX, driftY, delay, life, easing) {
_super.call(this, life, easing);
this.reset(driftX, driftY, delay);
this.time = 0;
this.name = "RandomDrift";
}
RandomDrift.prototype.reset = function (driftX, driftY, delay, life, easing) {
if (typeof life === "undefined") { life = null; }
if (typeof easing === "undefined") { easing = null; }
this.panFoce = new Phaser.Vec2(driftX, driftY);
this.panFoce = this.normalizeForce(this.panFoce);
this.delay = delay;
if(life) {
this.life = Particles.ParticleUtils.initValue(life, Infinity);
this.easing = Particles.ParticleUtils.initValue(easing, Phaser.Easing.Linear.None);
}
};
RandomDrift.prototype.applyBehaviour = function (particle, time, index) {
_super.prototype.applyBehaviour.call(this, particle, time, index);
this.time += time;
if(this.time >= this.delay) {
particle.a.addXY(Particles.ParticleUtils.randomAToB(-this.panFoce.x, this.panFoce.x), Particles.ParticleUtils.randomAToB(-this.panFoce.y, this.panFoce.y));
this.time = 0;
}
};
return RandomDrift;
})(Behaviours.Behaviour);
Behaviours.RandomDrift = RandomDrift;
})(Particles.Behaviours || (Particles.Behaviours = {}));
var Behaviours = Particles.Behaviours;
})(Phaser.Particles || (Phaser.Particles = {}));
var Particles = Phaser.Particles;
})(Phaser || (Phaser = {}));