var __extends = this.__extends || function (d, b) {
function __() { this.constructor = d; }
__.prototype = b.prototype;
d.prototype = new __();
};
///
///
/**
* Phaser - Emitter
*
* Emitter is a lightweight particle emitter. It can be used for one-time explosions or for
* continuous effects like rain and fire. All it really does is launch Particle objects out
* at set intervals, and fixes their positions and velocities accorindgly.
*/
var Phaser;
(function (Phaser) {
var Emitter = (function (_super) {
__extends(Emitter, _super);
/**
* Creates a new Emitter
object at a specific position.
* Does NOT automatically generate or attach particles!
*
* @param x {number} The X position of the emitter.
* @param y {number} The Y position of the emitter.
* @param [size] {number} Specifies a maximum capacity for this emitter.
*/
function Emitter(game, x, y, size) {
if (typeof x === "undefined") { x = 0; }
if (typeof y === "undefined") { y = 0; }
if (typeof size === "undefined") { size = 0; }
_super.call(this, game, size);
this.x = x;
this.y = y;
this.width = 0;
this.height = 0;
this.minParticleSpeed = new MicroPoint(-100, -100);
this.maxParticleSpeed = new MicroPoint(100, 100);
this.minRotation = -360;
this.maxRotation = 360;
this.gravity = 0;
this.particleClass = null;
this.particleDrag = new MicroPoint();
this.frequency = 0.1;
this.lifespan = 3;
this.bounce = 0;
this._quantity = 0;
this._counter = 0;
this._explode = true;
this.on = false;
this._point = new MicroPoint();
}
Emitter.prototype.destroy = /**
* Clean up memory.
*/
function () {
this.minParticleSpeed = null;
this.maxParticleSpeed = null;
this.particleDrag = null;
this.particleClass = null;
this._point = null;
_super.prototype.destroy.call(this);
};
Emitter.prototype.makeParticles = /**
* This function generates a new array of particle sprites to attach to the emitter.
*
* @param graphics If you opted to not pre-configure an array of Sprite objects, you can simply pass in a particle image or sprite sheet.
* @param quantity {number} The number of particles to generate when using the "create from image" option.
* @param multiple {boolean} Whether the image in the Graphics param is a single particle or a bunch of particles (if it's a bunch, they need to be square!).
* @param collide {number} Whether the particles should be flagged as not 'dead' (non-colliding particles are higher performance). 0 means no collisions, 0-1 controls scale of particle's bounding box.
*
* @return This Emitter instance (nice for chaining stuff together, if you're into that).
*/
function (graphics, quantity, multiple, collide) {
if (typeof quantity === "undefined") { quantity = 50; }
if (typeof multiple === "undefined") { multiple = false; }
if (typeof collide === "undefined") { collide = 0; }
this.maxSize = quantity;
var totalFrames = 1;
/*
if(Multiple)
{
var sprite:Sprite = new Sprite(this._game);
sprite.loadGraphic(Graphics,true);
totalFrames = sprite.frames;
sprite.destroy();
}
*/
var randomFrame;
var particle;
var i = 0;
while(i < quantity) {
if(this.particleClass == null) {
particle = new Phaser.Particle(this._game);
} else {
particle = new this.particleClass(this._game);
}
if(multiple) {
/*
randomFrame = this._game.math.random()*totalFrames;
if(BakedRotations > 0)
particle.loadRotatedGraphic(Graphics,BakedRotations,randomFrame);
else
{
particle.loadGraphic(Graphics,true);
particle.frame = randomFrame;
}
*/
} else {
/*
if (BakedRotations > 0)
particle.loadRotatedGraphic(Graphics,BakedRotations);
else
particle.loadGraphic(Graphics);
*/
if(graphics) {
particle.loadGraphic(graphics);
}
}
if(collide > 0) {
particle.allowCollisions = Phaser.Collision.ANY;
particle.width *= collide;
particle.height *= collide;
//particle.centerOffsets();
} else {
particle.allowCollisions = Phaser.Collision.NONE;
}
particle.exists = false;
this.add(particle);
i++;
}
return this;
};
Emitter.prototype.update = /**
* Called automatically by the game loop, decides when to launch particles and when to "die".
*/
function () {
if(this.on) {
if(this._explode) {
this.on = false;
var i = 0;
var l = this._quantity;
if((l <= 0) || (l > this.length)) {
l = this.length;
}
while(i < l) {
this.emitParticle();
i++;
}
this._quantity = 0;
} else {
this._timer += this._game.time.elapsed;
while((this.frequency > 0) && (this._timer > this.frequency) && this.on) {
this._timer -= this.frequency;
this.emitParticle();
if((this._quantity > 0) && (++this._counter >= this._quantity)) {
this.on = false;
this._quantity = 0;
}
}
}
}
_super.prototype.update.call(this);
};
Emitter.prototype.kill = /**
* Call this function to turn off all the particles and the emitter.
*/
function () {
this.on = false;
_super.prototype.kill.call(this);
};
Emitter.prototype.start = /**
* Call this function to start emitting particles.
*
* @param explode {boolean} Whether the particles should all burst out at once.
* @param lifespan {number} How long each particle lives once emitted. 0 = forever.
* @param frequency {number} Ignored if Explode is set to true. Frequency is how often to emit a particle. 0 = never emit, 0.1 = 1 particle every 0.1 seconds, 5 = 1 particle every 5 seconds.
* @param quantity {number} How many particles to launch. 0 = "all of the particles".
*/
function (explode, lifespan, frequency, quantity) {
if (typeof explode === "undefined") { explode = true; }
if (typeof lifespan === "undefined") { lifespan = 0; }
if (typeof frequency === "undefined") { frequency = 0.1; }
if (typeof quantity === "undefined") { quantity = 0; }
this.revive();
this.visible = true;
this.on = true;
this._explode = explode;
this.lifespan = lifespan;
this.frequency = frequency;
this._quantity += quantity;
this._counter = 0;
this._timer = 0;
};
Emitter.prototype.emitParticle = /**
* This function can be used both internally and externally to emit the next particle.
*/
function () {
var particle = this.recycle(Phaser.Particle);
particle.lifespan = this.lifespan;
particle.elasticity = this.bounce;
particle.reset(this.x - (particle.width >> 1) + this._game.math.random() * this.width, this.y - (particle.height >> 1) + this._game.math.random() * this.height);
particle.visible = true;
if(this.minParticleSpeed.x != this.maxParticleSpeed.x) {
particle.velocity.x = this.minParticleSpeed.x + this._game.math.random() * (this.maxParticleSpeed.x - this.minParticleSpeed.x);
} else {
particle.velocity.x = this.minParticleSpeed.x;
}
if(this.minParticleSpeed.y != this.maxParticleSpeed.y) {
particle.velocity.y = this.minParticleSpeed.y + this._game.math.random() * (this.maxParticleSpeed.y - this.minParticleSpeed.y);
} else {
particle.velocity.y = this.minParticleSpeed.y;
}
particle.acceleration.y = this.gravity;
if(this.minRotation != this.maxRotation && this.minRotation !== 0 && this.maxRotation !== 0) {
particle.angularVelocity = this.minRotation + this._game.math.random() * (this.maxRotation - this.minRotation);
} else {
particle.angularVelocity = this.minRotation;
}
if(particle.angularVelocity != 0) {
particle.angle = this._game.math.random() * 360 - 180;
}
particle.drag.x = this.particleDrag.x;
particle.drag.y = this.particleDrag.y;
particle.onEmit();
};
Emitter.prototype.setSize = /**
* A more compact way of setting the width and height of the emitter.
*
* @param width {number} The desired width of the emitter (particles are spawned randomly within these dimensions).
* @param height {number} The desired height of the emitter.
*/
function (width, height) {
this.width = width;
this.height = height;
};
Emitter.prototype.setXSpeed = /**
* A more compact way of setting the X velocity range of the emitter.
*
* @param Min {number} The minimum value for this range.
* @param Max {number} The maximum value for this range.
*/
function (min, max) {
if (typeof min === "undefined") { min = 0; }
if (typeof max === "undefined") { max = 0; }
this.minParticleSpeed.x = min;
this.maxParticleSpeed.x = max;
};
Emitter.prototype.setYSpeed = /**
* A more compact way of setting the Y velocity range of the emitter.
*
* @param Min {number} The minimum value for this range.
* @param Max {number} The maximum value for this range.
*/
function (min, max) {
if (typeof min === "undefined") { min = 0; }
if (typeof max === "undefined") { max = 0; }
this.minParticleSpeed.y = min;
this.maxParticleSpeed.y = max;
};
Emitter.prototype.setRotation = /**
* A more compact way of setting the angular velocity constraints of the emitter.
*
* @param Min {number} The minimum value for this range.
* @param Max {number} The maximum value for this range.
*/
function (min, max) {
if (typeof min === "undefined") { min = 0; }
if (typeof max === "undefined") { max = 0; }
this.minRotation = min;
this.maxRotation = max;
};
Emitter.prototype.at = /**
* Change the emitter's midpoint to match the midpoint of a Object
.
*
* @param Object {object} The Object
that you want to sync up with.
*/
function (object) {
object.getMidpoint(this._point);
this.x = this._point.x - (this.width >> 1);
this.y = this._point.y - (this.height >> 1);
};
return Emitter;
})(Phaser.Group);
Phaser.Emitter = Emitter;
})(Phaser || (Phaser = {}));