CCParticleExamples.js

/****************************************************************************
 Copyright (c) 2010-2012 cocos2d-x.org
 Copyright (c) 2008-2010 Ricardo Quesada
 Copyright (c) 2011      Zynga Inc.

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/**
 * A fire particle system
 * @class
 * @extends cc.ParticleSystem
 *
 * @example
 * var emitter = cc.ParticleFire.create();
 */
cc.ParticleFire = cc.ParticleSystem.extend(/** @lends cc.ParticleFire# */{
    /**
     * initialize a fire particle system
     * @return {Boolean}
     */
    init:function () {
        return this.initWithTotalParticles((cc.renderContextType === cc.WEBGL) ? 300 : 150);
    },

    /**
     * initialize a fire particle system with number Of Particles
     * @param {Number} numberOfParticles
     * @return {Boolean}
     */
    initWithTotalParticles:function (numberOfParticles) {
        if (cc.ParticleSystem.prototype.initWithTotalParticles.call(this, numberOfParticles)) {
            // duration
            this._duration = cc.PARTICLE_DURATION_INFINITY;

            // Gravity Mode
            this._emitterMode = cc.PARTICLE_MODE_GRAVITY;

            // Gravity Mode: gravity
            this.modeA.gravity = cc.p(0, 0);

            // Gravity Mode: radial acceleration
            this.modeA.radialAccel = 0;
            this.modeA.radialAccelVar = 0;

            // Gravity Mode: speed of particles
            this.modeA.speed = 60;
            this.modeA.speedVar = 20;

            // starting angle
            this._angle = 90;
            this._angleVar = 10;

            // emitter position
            var winSize = cc.Director.getInstance().getWinSize();
            this.setPosition(winSize.width / 2, 60);
            this._posVar = cc.p(40, 20);

            // life of particles
            this._life = 3;
            this._lifeVar = 0.25;


            // size, in pixels
            this._startSize = 54.0;
            this._startSizeVar = 10.0;
            this._endSize = cc.PARTICLE_START_SIZE_EQUAL_TO_END_SIZE;

            // emits per frame
            this._emissionRate = this._totalParticles / this._life;

            // color of particles
            this._startColor.r = 0.76;
            this._startColor.g = 0.25;
            this._startColor.b = 0.12;
            this._startColor.a = 1.0;
            this._startColorVar.r = 0.0;
            this._startColorVar.g = 0.0;
            this._startColorVar.b = 0.0;
            this._startColorVar.a = 0.0;
            this._endColor.r = 0.0;
            this._endColor.g = 0.0;
            this._endColor.b = 0.0;
            this._endColor.a = 1.0;
            this._endColorVar.r = 0.0;
            this._endColorVar.g = 0.0;
            this._endColorVar.b = 0.0;
            this._endColorVar.a = 0.0;

            // additive
            this.setBlendAdditive(true);
            return true;
        }
        return false;
    }
});

/**
 * Create a fire particle system
 * @return {cc.ParticleFire}
 *
 * @example
 * var emitter = cc.ParticleFire.create();
 */
cc.ParticleFire.create = function () {
    var ret = new cc.ParticleFire();
    if (ret.init()) {
        return ret;
    }
    return null;
};

/**
 * A fireworks particle system
 * @class
 * @extends cc.ParticleSystem
 *
 * @example
 * var emitter = cc.ParticleFireworks.create();
 */
cc.ParticleFireworks = cc.ParticleSystem.extend(/** @lends cc.ParticleFireworks# */{
    /**
     * initialize a fireworks particle system
     * @return {Boolean}
     */
    init:function () {
        return this.initWithTotalParticles((cc.renderContextType === cc.WEBGL) ? 1500 : 150);
    },

    /**
     * initialize a fireworks particle system with number Of Particles
     * @param {Number} numberOfParticles
     * @return {Boolean}
     */
    initWithTotalParticles:function (numberOfParticles) {
        if (cc.ParticleSystem.prototype.initWithTotalParticles.call(this, numberOfParticles)) {
            // duration
            this._duration = cc.PARTICLE_DURATION_INFINITY;

            // Gravity Mode
            this._emitterMode = cc.PARTICLE_MODE_GRAVITY;

            // Gravity Mode: gravity
            this.modeA.gravity = cc.p(0, -90);

            // Gravity Mode:  radial
            this.modeA.radialAccel = 0;
            this.modeA.radialAccelVar = 0;

            //  Gravity Mode: speed of particles
            this.modeA.speed = 180;
            this.modeA.speedVar = 50;

            // emitter position
            var winSize = cc.Director.getInstance().getWinSize();
            this.setPosition(winSize.width / 2, winSize.height / 2);

            // angle
            this._angle = 90;
            this._angleVar = 20;

            // life of particles
            this._life = 3.5;
            this._lifeVar = 1;

            // emits per frame
            this._emissionRate = this._totalParticles / this._life;

            // color of particles
            this._startColor.r = 0.5;
            this._startColor.g = 0.5;
            this._startColor.b = 0.5;
            this._startColor.a = 1.0;
            this._startColorVar.r = 0.5;
            this._startColorVar.g = 0.5;
            this._startColorVar.b = 0.5;
            this._startColorVar.a = 0.1;
            this._endColor.r = 0.1;
            this._endColor.g = 0.1;
            this._endColor.b = 0.1;
            this._endColor.a = 0.2;
            this._endColorVar.r = 0.1;
            this._endColorVar.g = 0.1;
            this._endColorVar.b = 0.1;
            this._endColorVar.a = 0.2;

            // size, in pixels
            this._startSize = 8.0;
            this._startSizeVar = 2.0;
            this._endSize = cc.PARTICLE_START_SIZE_EQUAL_TO_END_SIZE;

            // additive
            this.setBlendAdditive(false);
            return true;
        }
        return false;
    }
});

/**
 * Create a fireworks particle system
 * @return {cc.ParticleFireworks}
 *
 * @example
 * var emitter = cc.ParticleFireworks.create();
 */
cc.ParticleFireworks.create = function () {
    var ret = new cc.ParticleFireworks();
    if (ret.init()) {
        return ret;
    }
    return null;
};

/**
 * A sun particle system
 * @class
 * @extends cc.ParticleSystem
 *
 * @example
 * var emitter = cc.ParticleSun.create();
 */
cc.ParticleSun = cc.ParticleSystem.extend(/** @lends cc.ParticleSun# */{
    /**
     * initialize a sun particle system
     * @return {Boolean}
     */
    init:function () {
        return this.initWithTotalParticles((cc.renderContextType === cc.WEBGL) ? 350 : 150);
    },

    /**
     * initialize a sun particle system with number Of Particles
     * @param {Number} numberOfParticles
     * @return {Boolean}
     */
    initWithTotalParticles:function (numberOfParticles) {
        if (cc.ParticleSystem.prototype.initWithTotalParticles.call(this, numberOfParticles)) {
            // additive
            this.setBlendAdditive(true);

            // duration
            this._duration = cc.PARTICLE_DURATION_INFINITY;

            // Gravity Mode
            this.setEmitterMode(cc.PARTICLE_MODE_GRAVITY);

            // Gravity Mode: gravity
            this.setGravity(cc.p(0, 0));

            // Gravity mode: radial acceleration
            this.setRadialAccel(0);
            this.setRadialAccelVar(0);

            // Gravity mode: speed of particles
            this.setSpeed(20);
            this.setSpeedVar(5);

            // angle
            this._angle = 90;
            this._angleVar = 360;

            // emitter position
            var winSize = cc.Director.getInstance().getWinSize();
            this.setPosition(winSize.width / 2, winSize.height / 2);
            this.setPosVar(cc.PointZero());

            // life of particles
            this._life = 1;
            this._lifeVar = 0.5;

            // size, in pixels
            this._startSize = 30.0;
            this._startSizeVar = 10.0;
            this._endSize = cc.PARTICLE_START_SIZE_EQUAL_TO_END_SIZE;

            // emits per seconds
            this._emissionRate = this._totalParticles / this._life;

            // color of particles
            this._startColor.r = 0.76;
            this._startColor.g = 0.25;
            this._startColor.b = 0.12;
            this._startColor.a = 1.0;
            this._startColorVar.r = 0.0;
            this._startColorVar.g = 0.0;
            this._startColorVar.b = 0.0;
            this._startColorVar.a = 0.0;
            this._endColor.r = 0.0;
            this._endColor.g = 0.0;
            this._endColor.b = 0.0;
            this._endColor.a = 1.0;
            this._endColorVar.r = 0.0;
            this._endColorVar.g = 0.0;
            this._endColorVar.b = 0.0;
            this._endColorVar.a = 0.0;

            return true;
        }
        return false;
    }
});

/**
 * Create a sun particle system
 * @return {cc.ParticleSun}
 *
 * @example
 * var emitter = cc.ParticleSun.create();
 */
cc.ParticleSun.create = function () {
    var ret = new cc.ParticleSun();
    if (ret.init()) {
        return ret;
    }
    return null;
};

//! @brief A  particle system
/**
 * A galaxy particle system
 * @class
 * @extends cc.ParticleSystem
 *
 * @example
 * var emitter = cc.ParticleGalaxy.create();
 */
cc.ParticleGalaxy = cc.ParticleSystem.extend(/** @lends cc.ParticleGalaxy# */{
    /**
     * initialize a galaxy particle system
     * @return {Boolean}
     */
    init:function () {
        //return this.initWithTotalParticles(200);
        return this.initWithTotalParticles((cc.renderContextType === cc.WEBGL) ? 200 : 100);
    },

    /**
     * initialize a galaxy particle system with number Of Particles
     * @param {Number} numberOfParticles
     * @return {Boolean}
     */
    initWithTotalParticles:function (numberOfParticles) {
        if (cc.ParticleSystem.prototype.initWithTotalParticles.call(this, numberOfParticles)) {
            // duration
            this._duration = cc.PARTICLE_DURATION_INFINITY;

            // Gravity Mode
            this._emitterMode = cc.PARTICLE_MODE_GRAVITY;

            // Gravity Mode: gravity
            this.modeA.gravity = cc.p(0, 0);

            // Gravity Mode: speed of particles
            this.modeA.speed = 60;
            this.modeA.speedVar = 10;

            // Gravity Mode: radial
            this.modeA.radialAccel = -80;
            this.modeA.radialAccelVar = 0;

            // Gravity Mode: tagential
            this.modeA.tangentialAccel = 80;
            this.modeA.tangentialAccelVar = 0;

            // angle
            this._angle = 90;
            this._angleVar = 360;

            // emitter position
            var winSize = cc.Director.getInstance().getWinSize();
            this.setPosition(winSize.width / 2, winSize.height / 2);
            this._posVar = cc.PointZero();

            // life of particles
            this._life = 4;
            this._lifeVar = 1;

            // size, in pixels
            this._startSize = 37.0;
            this._startSizeVar = 10.0;
            this._endSize = cc.PARTICLE_START_SIZE_EQUAL_TO_END_SIZE;

            // emits per second
            this._emissionRate = this._totalParticles / this._life;

            // color of particles
            this._startColor.r = 0.12;
            this._startColor.g = 0.25;
            this._startColor.b = 0.76;
            this._startColor.a = 1.0;
            this._startColorVar.r = 0.0;
            this._startColorVar.g = 0.0;
            this._startColorVar.b = 0.0;
            this._startColorVar.a = 0.0;
            this._endColor.r = 0.0;
            this._endColor.g = 0.0;
            this._endColor.b = 0.0;
            this._endColor.a = 1.0;
            this._endColorVar.r = 0.0;
            this._endColorVar.g = 0.0;
            this._endColorVar.b = 0.0;
            this._endColorVar.a = 0.0;

            // additive
            this.setBlendAdditive(true);
            return true;
        }
        return false;
    }
});
/**
 * Create a galaxy particle system
 * @return {cc.ParticleGalaxy}
 *
 * @example
 * var emitter = cc.ParticleGalaxy.create();
 */
cc.ParticleGalaxy.create = function () {
    var ret = new cc.ParticleGalaxy();
    if (ret.init()) {
        return ret;
    }
    return null;
};

/**
 * A flower particle system
 * @class
 * @extends cc.ParticleSystem
 *
 * @example
 * var emitter = cc.ParticleFlower.create();
 */
cc.ParticleFlower = cc.ParticleSystem.extend(/** @lends cc.ParticleFlower# */{
    /**
     * initialize a flower particle system
     * @return {Boolean}
     */
    init:function () {
        return this.initWithTotalParticles((cc.renderContextType === cc.WEBGL) ? 250 : 100);
    },

    /**
     * initialize a flower particle system with number Of Particles
     * @param {Number} numberOfParticles
     * @return {Boolean}
     */
    initWithTotalParticles:function (numberOfParticles) {
        if (cc.ParticleSystem.prototype.initWithTotalParticles.call(this, numberOfParticles)) {
            // duration
            this._duration = cc.PARTICLE_DURATION_INFINITY;

            // Gravity Mode
            this._emitterMode = cc.PARTICLE_MODE_GRAVITY;

            // Gravity Mode: gravity
            this.modeA.gravity = cc.p(0, 0);

            // Gravity Mode: speed of particles
            this.modeA.speed = 80;
            this.modeA.speedVar = 10;

            // Gravity Mode: radial
            this.modeA.radialAccel = -60;
            this.modeA.radialAccelVar = 0;

            // Gravity Mode: tagential
            this.modeA.tangentialAccel = 15;
            this.modeA.tangentialAccelVar = 0;

            // angle
            this._angle = 90;
            this._angleVar = 360;

            // emitter position
            var winSize = cc.Director.getInstance().getWinSize();
            this.setPosition(winSize.width / 2, winSize.height / 2);
            this._posVar = cc.PointZero();

            // life of particles
            this._life = 4;
            this._lifeVar = 1;

            // size, in pixels
            this._startSize = 30.0;
            this._startSizeVar = 10.0;
            this._endSize = cc.PARTICLE_START_SIZE_EQUAL_TO_END_SIZE;

            // emits per second
            this._emissionRate = this._totalParticles / this._life;

            // color of particles
            this._startColor.r = 0.50;
            this._startColor.g = 0.50;
            this._startColor.b = 0.50;
            this._startColor.a = 1.0;
            this._startColorVar.r = 0.5;
            this._startColorVar.g = 0.5;
            this._startColorVar.b = 0.5;
            this._startColorVar.a = 0.5;
            this._endColor.r = 0.0;
            this._endColor.g = 0.0;
            this._endColor.b = 0.0;
            this._endColor.a = 1.0;
            this._endColorVar.r = 0.0;
            this._endColorVar.g = 0.0;
            this._endColorVar.b = 0.0;
            this._endColorVar.a = 0.0;

            // additive
            this.setBlendAdditive(true);
            return true;
        }
        return false;
    }
});

/**
 * Create a flower particle system
 * @return {cc.ParticleFlower}
 *
 * @example
 * var emitter = cc.ParticleFlower.create();
 */
cc.ParticleFlower.create = function () {
    var ret = new cc.ParticleFlower();
    if (ret.init()) {
        return ret;
    }
    return null;
};

//! @brief A meteor particle system
/**
 * A meteor particle system
 * @class
 * @extends cc.ParticleSystem
 *
 * @example
 * var emitter = cc.ParticleMeteor.create();
 */
cc.ParticleMeteor = cc.ParticleSystem.extend(/** @lends cc.ParticleMeteor# */{
    /**
     * initialize a meteor particle system
     * @return {Boolean}
     */
    init:function () {
        return this.initWithTotalParticles((cc.renderContextType === cc.WEBGL) ? 150 : 100);
    },

    /**
     * initialize a meteor particle system with number Of Particles
     * @param {Number} numberOfParticles
     * @return {Boolean}
     */
    initWithTotalParticles:function (numberOfParticles) {
        if (cc.ParticleSystem.prototype.initWithTotalParticles.call(this, numberOfParticles)) {
            // duration
            this._duration = cc.PARTICLE_DURATION_INFINITY;

            // Gravity Mode
            this._emitterMode = cc.PARTICLE_MODE_GRAVITY;

            // Gravity Mode: gravity
            this.modeA.gravity = cc.p(-200, 200);

            // Gravity Mode: speed of particles
            this.modeA.speed = 15;
            this.modeA.speedVar = 5;

            // Gravity Mode: radial
            this.modeA.radialAccel = 0;
            this.modeA.radialAccelVar = 0;

            // Gravity Mode: tagential
            this.modeA.tangentialAccel = 0;
            this.modeA.tangentialAccelVar = 0;

            // angle
            this._angle = 90;
            this._angleVar = 360;

            // emitter position
            var winSize = cc.Director.getInstance().getWinSize();
            this.setPosition(winSize.width / 2, winSize.height / 2);
            this._posVar = cc.PointZero();

            // life of particles
            this._life = 2;
            this._lifeVar = 1;

            // size, in pixels
            this._startSize = 60.0;
            this._startSizeVar = 10.0;
            this._endSize = cc.PARTICLE_START_SIZE_EQUAL_TO_END_SIZE;

            // emits per second
            this._emissionRate = this._totalParticles / this._life;

            // color of particles
            this._startColor.r = 0.2;
            this._startColor.g = 0.4;
            this._startColor.b = 0.7;
            this._startColor.a = 1.0;
            this._startColorVar.r = 0.0;
            this._startColorVar.g = 0.0;
            this._startColorVar.b = 0.2;
            this._startColorVar.a = 0.1;
            this._endColor.r = 0.0;
            this._endColor.g = 0.0;
            this._endColor.b = 0.0;
            this._endColor.a = 1.0;
            this._endColorVar.r = 0.0;
            this._endColorVar.g = 0.0;
            this._endColorVar.b = 0.0;
            this._endColorVar.a = 0.0;

            // additive
            this.setBlendAdditive(true);
            return true;
        }
        return false;
    }
});

/**
 * Create a meteor particle system
 * @return {cc.ParticleFireworks}
 *
 * @example
 * var emitter = cc.ParticleMeteor.create();
 */
cc.ParticleMeteor.create = function () {
    var ret = new cc.ParticleMeteor();
    if (ret.init()) {
        return ret;
    }
    return null;
};

/**
 * A spiral particle system
 * @class
 * @extends cc.ParticleSystem
 *
 * @example
 * var emitter = cc.ParticleSpiral.create();
 */
cc.ParticleSpiral = cc.ParticleSystem.extend(/** @lends cc.ParticleSpiral# */{
    /**
     * initialize a spiral particle system
     * @return {Boolean}
     */
    init:function () {
        return this.initWithTotalParticles((cc.renderContextType === cc.WEBGL) ? 500 : 100);
    },

    /**
     * initialize a spiral particle system with number Of Particles
     * @param {Number} numberOfParticles
     * @return {Boolean}
     */
    initWithTotalParticles:function (numberOfParticles) {
        if (cc.ParticleSystem.prototype.initWithTotalParticles.call(this, numberOfParticles)) {
            // duration
            this._duration = cc.PARTICLE_DURATION_INFINITY;

            // Gravity Mode
            this._emitterMode = cc.PARTICLE_MODE_GRAVITY;

            // Gravity Mode: gravity
            this.modeA.gravity = cc.p(0, 0);

            // Gravity Mode: speed of particles
            this.modeA.speed = 150;
            this.modeA.speedVar = 0;

            // Gravity Mode: radial
            this.modeA.radialAccel = -380;
            this.modeA.radialAccelVar = 0;

            // Gravity Mode: tagential
            this.modeA.tangentialAccel = 45;
            this.modeA.tangentialAccelVar = 0;

            // angle
            this._angle = 90;
            this._angleVar = 0;

            // emitter position
            var winSize = cc.Director.getInstance().getWinSize();
            this.setPosition(winSize.width / 2, winSize.height / 2);
            this._posVar = cc.PointZero();

            // life of particles
            this._life = 12;
            this._lifeVar = 0;

            // size, in pixels
            this._startSize = 20.0;
            this._startSizeVar = 0.0;
            this._endSize = cc.PARTICLE_START_SIZE_EQUAL_TO_END_SIZE;

            // emits per second
            this._emissionRate = this._totalParticles / this._life;

            // color of particles
            this._startColor.r = 0.5;
            this._startColor.g = 0.5;
            this._startColor.b = 0.5;
            this._startColor.a = 1.0;
            this._startColorVar.r = 0.5;
            this._startColorVar.g = 0.5;
            this._startColorVar.b = 0.5;
            this._startColorVar.a = 0.0;
            this._endColor.r = 0.5;
            this._endColor.g = 0.5;
            this._endColor.b = 0.5;
            this._endColor.a = 1.0;
            this._endColorVar.r = 0.5;
            this._endColorVar.g = 0.5;
            this._endColorVar.b = 0.5;
            this._endColorVar.a = 0.0;

            // additive
            this.setBlendAdditive(false);
            return true;
        }
        return false;
    }
});

/**
 * Create a spiral particle system
 * @return {cc.ParticleSpiral}
 *
 * @example
 * var emitter = cc.ParticleSpiral.create();
 */
cc.ParticleSpiral.create = function () {
    var ret = new cc.ParticleSpiral();
    if (ret.init()) {
        return ret;
    }
    return null;
};

/**
 * An explosion particle system
 * @class
 * @extends cc.ParticleSystem
 *
 * @example
 * var emitter = cc.ParticleExplosion.create();
 */
cc.ParticleExplosion = cc.ParticleSystem.extend(/** @lends cc.ParticleExplosion# */{
    /**
     * initialize an explosion particle system
     * @return {Boolean}
     */
    init:function () {
        //return this.initWithTotalParticles(700);
        return this.initWithTotalParticles((cc.renderContextType === cc.WEBGL) ? 700 : 300);
    },

    /**
     * initialize an explosion particle system with number Of Particles
     * @param {Number} numberOfParticles
     * @return {Boolean}
     */
    initWithTotalParticles:function (numberOfParticles) {
        if (cc.ParticleSystem.prototype.initWithTotalParticles.call(this, numberOfParticles)) {
            // duration
            this._duration = 0.1;

            this._emitterMode = cc.PARTICLE_MODE_GRAVITY;

            // Gravity Mode: gravity
            this.modeA.gravity = cc.p(0, 0);

            // Gravity Mode: speed of particles
            this.modeA.speed = 70;
            this.modeA.speedVar = 40;

            // Gravity Mode: radial
            this.modeA.radialAccel = 0;
            this.modeA.radialAccelVar = 0;

            // Gravity Mode: tagential
            this.modeA.tangentialAccel = 0;
            this.modeA.tangentialAccelVar = 0;

            // angle
            this._angle = 90;
            this._angleVar = 360;

            // emitter position
            var winSize = cc.Director.getInstance().getWinSize();
            this.setPosition(winSize.width / 2, winSize.height / 2);
            this._posVar = cc.PointZero();

            // life of particles
            this._life = 5.0;
            this._lifeVar = 2;

            // size, in pixels
            this._startSize = 15.0;
            this._startSizeVar = 10.0;
            this._endSize = cc.PARTICLE_START_SIZE_EQUAL_TO_END_SIZE;

            // emits per second
            this._emissionRate = this._totalParticles / this._duration;

            // color of particles
            this._startColor.r = 0.7;
            this._startColor.g = 0.1;
            this._startColor.b = 0.2;
            this._startColor.a = 1.0;
            this._startColorVar.r = 0.5;
            this._startColorVar.g = 0.5;
            this._startColorVar.b = 0.5;
            this._startColorVar.a = 0.0;
            this._endColor.r = 0.5;
            this._endColor.g = 0.5;
            this._endColor.b = 0.5;
            this._endColor.a = 0.0;
            this._endColorVar.r = 0.5;
            this._endColorVar.g = 0.5;
            this._endColorVar.b = 0.5;
            this._endColorVar.a = 0.0;

            // additive
            this.setBlendAdditive(false);
            return true;
        }
        return false;
    }
});

/**
 * Create an explosion particle system
 * @return {cc.ParticleExplosion}
 *
 * @example
 * var emitter = cc.ParticleExplosion.create();
 */
cc.ParticleExplosion.create = function () {
    var ret = new cc.ParticleExplosion();
    if (ret.init()) {
        return ret;
    }
    return null;
};

/**
 * A smoke particle system
 * @class
 * @extends cc.ParticleSystem
 *
 * @example
 * var emitter = cc.ParticleSmoke.create();
 */
cc.ParticleSmoke = cc.ParticleSystem.extend(/** @lends cc.ParticleSmoke# */{
    /**
     * initialize a smoke particle system
     * @return {Boolean}
     */
    init:function () {
        //return this.initWithTotalParticles(200);
        return this.initWithTotalParticles((cc.renderContextType === cc.WEBGL) ? 200 : 100);
    },

    /**
     * initialize a smoke particle system with number Of Particles
     * @param {Number} numberOfParticles
     * @return {Boolean}
     */
    initWithTotalParticles:function (numberOfParticles) {
        if (cc.ParticleSystem.prototype.initWithTotalParticles.call(this, numberOfParticles)) {
            // duration
            this._duration = cc.PARTICLE_DURATION_INFINITY;

            // Emitter mode: Gravity Mode
            this._emitterMode = cc.PARTICLE_MODE_GRAVITY;

            // Gravity Mode: gravity
            this.modeA.gravity = cc.p(0, 0);

            // Gravity Mode: radial acceleration
            this.modeA.radialAccel = 0;
            this.modeA.radialAccelVar = 0;

            // Gravity Mode: speed of particles
            this.modeA.speed = 25;
            this.modeA.speedVar = 10;

            // angle
            this._angle = 90;
            this._angleVar = 5;

            // emitter position
            var winSize = cc.Director.getInstance().getWinSize();
            this.setPosition(winSize.width / 2, 0);
            this._posVar = cc.p(20, 0);

            // life of particles
            this._life = 4;
            this._lifeVar = 1;

            // size, in pixels
            this._startSize = 60.0;
            this._startSizeVar = 10.0;
            this._endSize = cc.PARTICLE_START_SIZE_EQUAL_TO_END_SIZE;

            // emits per frame
            this._emissionRate = this._totalParticles / this._life;

            // color of particles
            this._startColor.r = 0.8;
            this._startColor.g = 0.8;
            this._startColor.b = 0.8;
            this._startColor.a = 1.0;
            this._startColorVar.r = 0.02;
            this._startColorVar.g = 0.02;
            this._startColorVar.b = 0.02;
            this._startColorVar.a = 0.0;
            this._endColor.r = 0.0;
            this._endColor.g = 0.0;
            this._endColor.b = 0.0;
            this._endColor.a = 1.0;
            this._endColorVar.r = 0.0;
            this._endColorVar.g = 0.0;
            this._endColorVar.b = 0.0;
            this._endColorVar.a = 0.0;

            // additive
            this.setBlendAdditive(false);
            return true;
        }
        return false;
    }
});

/**
 * Create a smoke particle system
 * @return {cc.ParticleFireworks}
 *
 * @example
 * var emitter = cc.ParticleFireworks.create();
 */
cc.ParticleSmoke.create = function () {
    var ret = new cc.ParticleSmoke();
    if (ret.init()) {
        return ret;
    }
    return null;
};

/**
 * A snow particle system
 * @class
 * @extends cc.ParticleSystem
 *
 * @example
 * var emitter = cc.ParticleSnow.create();
 */
cc.ParticleSnow = cc.ParticleSystem.extend(/** @lends cc.ParticleSnow# */{
    /**
     * initialize a snow particle system
     * @return {Boolean}
     */
    init:function () {
        return this.initWithTotalParticles((cc.renderContextType === cc.WEBGL) ? 700 : 250);
    },

    /**
     * initialize a snow particle system with number Of Particles
     * @param {Number} numberOfParticles
     * @return {Boolean}
     */
    initWithTotalParticles:function (numberOfParticles) {
        if (cc.ParticleSystem.prototype.initWithTotalParticles.call(this, numberOfParticles)) {
            // duration
            this._duration = cc.PARTICLE_DURATION_INFINITY;

            // set gravity mode.
            this._emitterMode = cc.PARTICLE_MODE_GRAVITY;

            // Gravity Mode: gravity
            this.modeA.gravity = cc.p(0, -1);

            // Gravity Mode: speed of particles
            this.modeA.speed = 5;
            this.modeA.speedVar = 1;

            // Gravity Mode: radial
            this.modeA.radialAccel = 0;
            this.modeA.radialAccelVar = 1;

            // Gravity mode: tagential
            this.modeA.tangentialAccel = 0;
            this.modeA.tangentialAccelVar = 1;

            // emitter position
            var winSize = cc.Director.getInstance().getWinSize();
            this.setPosition(winSize.width / 2, winSize.height + 10);
            this._posVar = cc.p(winSize.width / 2, 0);

            // angle
            this._angle = -90;
            this._angleVar = 5;

            // life of particles
            this._life = 45;
            this._lifeVar = 15;

            // size, in pixels
            this._startSize = 10.0;
            this._startSizeVar = 5.0;
            this._endSize = cc.PARTICLE_START_SIZE_EQUAL_TO_END_SIZE;

            // emits per second
            this._emissionRate = 10;

            // color of particles
            this._startColor.r = 1.0;
            this._startColor.g = 1.0;
            this._startColor.b = 1.0;
            this._startColor.a = 1.0;
            this._startColorVar.r = 0.0;
            this._startColorVar.g = 0.0;
            this._startColorVar.b = 0.0;
            this._startColorVar.a = 0.0;
            this._endColor.r = 1.0;
            this._endColor.g = 1.0;
            this._endColor.b = 1.0;
            this._endColor.a = 0.0;
            this._endColorVar.r = 0.0;
            this._endColorVar.g = 0.0;
            this._endColorVar.b = 0.0;
            this._endColorVar.a = 0.0;

            // additive
            this.setBlendAdditive(false);
            return true;
        }
        return false;
    }
});

/**
 * Create a snow particle system
 * @return {cc.ParticleSnow}
 *
 * @example
 * var emitter = cc.ParticleSnow.create();
 */
cc.ParticleSnow.create = function () {
    var ret = new cc.ParticleSnow();
    if (ret.init()) {
        return ret;
    }
    return null;
};

//! @brief A rain particle system
/**
 * A rain particle system
 * @class
 * @extends cc.ParticleSystem
 *
 * @example
 * var emitter = cc.ParticleRain.create();
 */
cc.ParticleRain = cc.ParticleSystem.extend(/** @lends cc.ParticleRain# */{
    /**
     * initialize a rain particle system
     * @return {Boolean}
     */
    init:function () {
        return this.initWithTotalParticles((cc.renderContextType === cc.WEBGL) ? 1000 : 300);
    },

    /**
     * initialize a rain particle system with number Of Particles
     * @param {Number} numberOfParticles
     * @return {Boolean}
     */
    initWithTotalParticles:function (numberOfParticles) {
        if (cc.ParticleSystem.prototype.initWithTotalParticles.call(this, numberOfParticles)) {
            // duration
            this._duration = cc.PARTICLE_DURATION_INFINITY;

            this._emitterMode = cc.PARTICLE_MODE_GRAVITY;

            // Gravity Mode: gravity
            this.modeA.gravity = cc.p(10, -10);

            // Gravity Mode: radial
            this.modeA.radialAccel = 0;
            this.modeA.radialAccelVar = 1;

            // Gravity Mode: tagential
            this.modeA.tangentialAccel = 0;
            this.modeA.tangentialAccelVar = 1;

            // Gravity Mode: speed of particles
            this.modeA.speed = 130;
            this.modeA.speedVar = 30;

            // angle
            this._angle = -90;
            this._angleVar = 5;


            // emitter position
            var winSize = cc.Director.getInstance().getWinSize();
            this.setPosition(winSize.width / 2, winSize.height);
            this._posVar = cc.p(winSize.width / 2, 0);

            // life of particles
            this._life = 4.5;
            this._lifeVar = 0;

            // size, in pixels
            this._startSize = 4.0;
            this._startSizeVar = 2.0;
            this._endSize = cc.PARTICLE_START_SIZE_EQUAL_TO_END_SIZE;

            // emits per second
            this._emissionRate = 20;

            // color of particles
            this._startColor.r = 0.7;
            this._startColor.g = 0.8;
            this._startColor.b = 1.0;
            this._startColor.a = 1.0;
            this._startColorVar.r = 0.0;
            this._startColorVar.g = 0.0;
            this._startColorVar.b = 0.0;
            this._startColorVar.a = 0.0;
            this._endColor.r = 0.7;
            this._endColor.g = 0.8;
            this._endColor.b = 1.0;
            this._endColor.a = 0.5;
            this._endColorVar.r = 0.0;
            this._endColorVar.g = 0.0;
            this._endColorVar.b = 0.0;
            this._endColorVar.a = 0.0;

            // additive
            this.setBlendAdditive(false);
            return true;
        }
        return false;
    }
});

/**
 * Create a rain particle system
 * @return {cc.ParticleRain}
 *
 * @example
 * var emitter = cc.ParticleRain.create();
 */
cc.ParticleRain.create = function () {
    var ret = new cc.ParticleRain();
    if (ret.init()) {
        return ret;
    }
    return null;
};