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Finished the new Zones.

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This commit is contained in:
Richard Davey 2017-10-26 17:02:34 +01:00
parent 9cee892481
commit f85ae5d02b
2 changed files with 42 additions and 14 deletions
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38
v3/src/gameobjects/particles/ParticleEmitter.js
View file

@ -1,11 +1,13 @@
var BlendModes = require('../../renderer/BlendModes');
var Class = require('../../utils/Class');
var Components = require('../components');
var EdgeZone = require('./zones/EdgeZone');
var EmitterOp = require('./EmitterOp');
var GetFastValue = require('../../utils/object/GetFastValue');
var GetRandomElement = require('../../utils/array/GetRandomElement');
var GetValue = require('../../utils/object/GetValue');
var Particle = require('./Particle');
var RandomZone = require('./zones/RandomZone');
var Rectangle = require('../../geom/rectangle/Rectangle');
var StableSort = require('../../utils/array/StableSort');
var Vector2 = require('../../math/Vector2');
@ -135,7 +137,12 @@ var ParticleEmitter = new Class({
this._counter = 0;
this.zone = GetFastValue(config, 'zone', null);
this.zone = null;
if (config.hasOwnProperty('zone'))
{
this.setZone(config.zone);
}
// bounds rectangle
this.bounds = null;
@ -150,9 +157,6 @@ var ParticleEmitter = new Class({
this.collideTop = GetFastValue(config, 'collideTop', true);
this.collideBottom = GetFastValue(config, 'collideBottom', true);
// Optional Particle emission zone - must be an object that supports a `getRandomPoint` function, such as a Rectangle, Circle, Path, etc.
this.zone = GetFastValue(config, 'zone', null);
this.active = GetFastValue(config, 'active', true);
this.visible = GetFastValue(config, 'visible', true);
@ -389,7 +393,7 @@ var ParticleEmitter = new Class({
return this;
},
// The zone must have a function called `getRandomPoint` that takes an object and sets
// The zone must have a function called `getPoint` that takes an object and sets
// its x and y properties accordingly then returns that object
setZone: function (zone)
{
@ -397,9 +401,29 @@ var ParticleEmitter = new Class({
{
this.zone = null;
}
else if (typeof zone.getRandomPoint === 'function')
else
{
this.zone = zone;
// Where source = Geom like Circle, or a Path or Curve
// zone: { source: X, random: true }
// zone: { source: X, edge: true, quantity: 32 }
var source = GetFastValue(zone, 'source', null);
if (source && typeof source.getPoint === 'function')
{
// Valid source, is it random or edge?
if (GetFastValue(zone, 'random', null))
{
this.zone = new RandomZone(source);
}
else
{
var quantity = GetFastValue(zone, 'quantity', 1);
var stepRate = GetFastValue(zone, 'stepRate', 1);
this.zone = new EdgeZone(source, quantity, stepRate);
}
}
}
return this;

18
v3/src/gameobjects/particles/zones/EdgeZone.js
View file

@ -1,25 +1,29 @@
var Class = require('../../../utils/Class');
var GetFastValue = require('../../../utils/object/GetFastValue');
var Wrap = require('../../../math/Wrap');
var RandomZone = new Class({
var EdgeZone = new Class({
initialize:
function RandomZone (source, steps)
function EdgeZone (source, quantity, stepRate)
{
if (steps === undefined) { steps = 1; }
this.source = source;
this.steps = steps;
this.points = source.getPoints(quantity, stepRate);
this.counter = 0;
},
getPoint: function (particle)
{
var point = this.points[this.counter];
particle.x = point.x;
particle.y = point.y;
this.counter = Wrap(this.counter + 1, 0, this.points.length - 1);
}
});
module.exports = RandomZone;
module.exports = EdgeZone;