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particle_EmitterOptions.js.html
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<h1 class="page-title">Source: particle/EmitterOptions.js</h1>
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<pre class="prettyprint source linenums"><code>//------------------------------------------------------------------------------
// Constructor scope
//------------------------------------------------------------------------------
/**
* Creates a new object.
*
* @constructor
* @package
*
* @param {Object} [data] Settings for particles.
*
* @class
* @classdesc
*
* The EmitterOptions class contains settings for an Emitter. These settings
* are applied to all particles created by the emitter.
*/
rune.particle.EmitterOptions = function(data) {
//--------------------------------------------------------------------------
// Default arguments
//--------------------------------------------------------------------------
/**
* @ignore
*/
data = data || {};
//--------------------------------------------------------------------------
// Public properties
//--------------------------------------------------------------------------
/**
* Force (in x- and y-direction) that represents the acceleration of
* particles, i.e. their increasing speed of movement.
*
* @type {rune.geom.Point}
*/
this.acceleration = new rune.geom.Point(data.accelerationX || 0, data.accelerationY || 0);
/**
* The emitter's capacity, i.e. the maximum number of particles it can
* handle.
*
* @type {number}
*/
this.capacity = data.capacity || 64;
/**
* Force (in x- and y-direction) that counteracts the particles' velocity,
* i.e. slows down their speed of movement.
*
* @type {rune.geom.Point}
*/
this.drag = new rune.geom.Point(data.dragX || 0, data.dragY || 0);
/**
* The maximum lifetime of a particle (in milliseconds).
*
* @type {number}
*/
this.maxLifespan = data.maxLifespan || 5000;
/**
* A particle's maximum angular velocity.
*
* @type {number}
*/
this.maxRotation = data.maxRotation || 0;
/**
* A particle's maximum velocity.
*
* @type {rune.geom.Point}
*/
this.maxVelocity = new rune.geom.Point(data.maxVelocityX || 0, data.maxVelocityY || 0);
/**
* The minimum lifetime of a particle (in milliseconds).
*
* @type {number}
*/
this.minLifespan = data.minLifespan || 2500;
/**
* A particle's minimum angular velocity.
*
* @type {number}
*/
this.minRotation = data.minRotation || 0;
/**
* A particle's minimum velocity.
*
* @type {rune.geom.Point}
*/
this.minVelocity = new rune.geom.Point(data.minVelocityX || 0, data.minVelocityY || 0);
/**
* A list of classes to use as particles. When a new particle is to be
* created, a random class is chosen from this list. Note that the list
* contains references to classes, not instantiated objects.
*
* @type {Array.<Function>}
*/
this.particles = data.particles || [rune.particle.Particle];
};
//------------------------------------------------------------------------------
// Public prototype methods (ENGINE)
//------------------------------------------------------------------------------
/**
* Deallocates memory allocated by this object.
*
* @returns {undefined}
* @ignore
*/
rune.particle.EmitterOptions.prototype.dispose = function() {
this.acceleration = null;
this.drag = null;
this.maxVelocity = null;
this.minVelocity = null;
this.particles = null;
};</code></pre>
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