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

49 lines
1.3 KiB
TypeScript

/// <reference path="../../_definitions.ts" />
module Phaser.Particles.Behaviours {
export class RandomDrift extends Behaviour {
constructor(driftX, driftY, delay, life, easing) {
super(life, easing);
this.reset(driftX, driftY, delay);
this.time = 0;
this.name = "RandomDrift";
}
panFoce;
delay;
time;
reset(driftX, driftY, delay, life= null, easing= null) {
this.panFoce = new Phaser.Vec2(driftX, driftY);
this.panFoce = this.normalizeForce(this.panFoce);
this.delay = delay;
if (life)
{
this.life = ParticleUtils.initValue(life, Infinity);
this.easing = ParticleUtils.initValue(easing, Phaser.Easing.Linear.None);
}
}
applyBehaviour(particle, time, index) {
super.applyBehaviour(particle, time, index);
this.time += time;
if (this.time >= this.delay)
{
particle.a.addXY(ParticleUtils.randomAToB(-this.panFoce.x, this.panFoce.x), ParticleUtils.randomAToB(-this.panFoce.y, this.panFoce.y));
this.time = 0;
}
}
}
}