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Added MoveTo support

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This commit is contained in:
Richard Davey 2017-10-27 21:19:30 +01:00
parent 48b0c6c3ea
commit 5616af917c
2 changed files with 30 additions and 7 deletions
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4
v3/src/gameobjects/particles/EmitterOp.js
View file

@ -225,11 +225,13 @@ var EmitterOp = new Class({
steppedEmit: function ()
{
var current = this.counter;
var next = this.counter + ((this.end - this.start) / this.steps);
this.counter = Wrap(next, this.start, this.end);
return this.counter;
return current;
},
easedValueEmit: function (particle, key)

33
v3/src/gameobjects/particles/Particle.js
View file

@ -1,5 +1,6 @@
var Class = require('../../utils/Class');
var DegToRad = require('../../math/DegToRad');
var DistanceBetween = require('../../math/distance/DistanceBetween');
var Particle = new Class({
@ -42,6 +43,7 @@ var Particle = new Class({
this.scrollFactorX = 1;
this.scrollFactorY = 1;
this.tint = 0xffffffff;
this.color = 0xffffffff;
// in ms
@ -107,6 +109,10 @@ var Particle = new Class({
this.y += y;
}
this.life = emitter.lifespan.onEmit(this, 'lifespan');
this.lifeCurrent = this.life;
this.lifeT = 0;
var sx = emitter.speedX.onEmit(this, 'speedX');
var sy = (emitter.speedY) ? emitter.speedY.onEmit(this, 'speedY') : sx;
@ -117,6 +123,21 @@ var Particle = new Class({
this.velocityX = Math.cos(rad) * Math.abs(sx);
this.velocityY = Math.sin(rad) * Math.abs(sy);
}
else if (emitter.moveTo)
{
var mx = emitter.moveToX.onEmit(this, 'moveToX');
var my = (emitter.moveToY) ? emitter.moveToY.onEmit(this, 'moveToY') : mx;
var angle = Math.atan2(my - this.y, mx - this.x);
var speed = DistanceBetween(this.x, this.y, mx, my) / (this.life / 1000);
// We know how many pixels we need to move, but how fast?
// var speed = this.distanceToXY(displayObject, x, y) / (maxTime / 1000);
this.velocityX = Math.cos(angle) * speed;
this.velocityY = Math.sin(angle) * speed;
}
else
{
this.velocityX = sx;
@ -134,10 +155,6 @@ var Particle = new Class({
this.delayCurrent = emitter.delay.onEmit(this, 'delay');
this.life = emitter.lifespan.onEmit(this, 'lifespan');
this.lifeCurrent = this.life;
this.lifeT = 0;
this.scaleX = emitter.scaleX.onEmit(this, 'scaleX');
this.scaleY = (emitter.scaleY) ? emitter.scaleY.onEmit(this, 'scaleY') : this.scaleX;
@ -148,7 +165,9 @@ var Particle = new Class({
this.alpha = emitter.alpha.onEmit(this, 'alpha');
this.color = (this.color & 0x00FFFFFF) | (((this.alpha * 0xFF) | 0) << 24);
this.tint = emitter.tint.onEmit(this, 'tint');
this.color = (this.tint & 0x00FFFFFF) | (((this.alpha * 0xFF) | 0) << 24);
this.index = emitter.alive.length;
},
@ -276,7 +295,9 @@ var Particle = new Class({
this.alpha = emitter.alpha.onUpdate(this, 'alpha', t, this.alpha);
this.color = (this.color & 0x00FFFFFF) | (((this.alpha * 0xFF) | 0) << 24);
this.tint = emitter.tint.onUpdate(this, 'tint', t, this.tint);
this.color = (this.tint & 0x00FFFFFF) | (((this.alpha * 0xFF) | 0) << 24);
this.lifeCurrent -= delta;