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545 lines
18 KiB
C++
Vendored
545 lines
18 KiB
C++
Vendored
/****************************************************************************
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Copyright (c) 2010-2012 cocos2d-x.org
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Copyright (c) 2008-2010 Ricardo Quesada
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Copyright (c) 2011 Zynga Inc.
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#ifndef __CCPARTICLE_SYSTEM_H__
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#define __CCPARTICLE_SYSTEM_H__
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#include "../include/CCProtocols.h"
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#include "../base_nodes/CCNode.h"
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#include "../cocoa/CCDictionary.h"
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#include "../cocoa/CCString.h"
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NS_CC_BEGIN
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/**
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* @addtogroup particle_nodes
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* @{
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*/
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class CCParticleBatchNode;
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//* @enum
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enum {
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/** The Particle emitter lives forever */
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kCCParticleDurationInfinity = -1,
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/** The starting size of the particle is equal to the ending size */
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kCCParticleStartSizeEqualToEndSize = -1,
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/** The starting radius of the particle is equal to the ending radius */
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kCCParticleStartRadiusEqualToEndRadius = -1,
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// backward compatible
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kParticleStartSizeEqualToEndSize = kCCParticleStartSizeEqualToEndSize,
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kParticleDurationInfinity = kCCParticleDurationInfinity,
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};
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//* @enum
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enum {
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/** Gravity mode (A mode) */
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kCCParticleModeGravity,
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/** Radius mode (B mode) */
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kCCParticleModeRadius,
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};
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/** @typedef tCCPositionType
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possible types of particle positions
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*/
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typedef enum {
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/** Living particles are attached to the world and are unaffected by emitter repositioning. */
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kCCPositionTypeFree,
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/** Living particles are attached to the world but will follow the emitter repositioning.
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Use case: Attach an emitter to an sprite, and you want that the emitter follows the sprite.
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*/
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kCCPositionTypeRelative,
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/** Living particles are attached to the emitter and are translated along with it. */
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kCCPositionTypeGrouped,
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}tCCPositionType;
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// backward compatible
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enum {
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kPositionTypeFree = kCCPositionTypeFree,
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kPositionTypeGrouped = kCCPositionTypeGrouped,
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};
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/**
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Structure that contains the values of each particle
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*/
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typedef struct sCCParticle {
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CCPoint pos;
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CCPoint startPos;
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ccColor4F color;
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ccColor4F deltaColor;
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float size;
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float deltaSize;
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float rotation;
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float deltaRotation;
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float timeToLive;
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unsigned int atlasIndex;
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//! Mode A: gravity, direction, radial accel, tangential accel
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struct {
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CCPoint dir;
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float radialAccel;
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float tangentialAccel;
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} modeA;
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//! Mode B: radius mode
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struct {
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float angle;
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float degreesPerSecond;
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float radius;
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float deltaRadius;
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} modeB;
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}tCCParticle;
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//typedef void (*CC_UPDATE_PARTICLE_IMP)(id, SEL, tCCParticle*, CCPoint);
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class CCTexture2D;
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/** @brief Particle System base class.
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Attributes of a Particle System:
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- emission rate of the particles
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- Gravity Mode (Mode A):
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- gravity
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- direction
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- speed +- variance
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- tangential acceleration +- variance
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- radial acceleration +- variance
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- Radius Mode (Mode B):
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- startRadius +- variance
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- endRadius +- variance
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- rotate +- variance
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- Properties common to all modes:
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- life +- life variance
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- start spin +- variance
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- end spin +- variance
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- start size +- variance
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- end size +- variance
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- start color +- variance
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- end color +- variance
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- life +- variance
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- blending function
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- texture
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cocos2d also supports particles generated by Particle Designer (http://particledesigner.71squared.com/).
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'Radius Mode' in Particle Designer uses a fixed emit rate of 30 hz. Since that can't be guaranteed in cocos2d,
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cocos2d uses a another approach, but the results are almost identical.
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cocos2d supports all the variables used by Particle Designer plus a bit more:
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- spinning particles (supported when using CCParticleSystemQuad)
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- tangential acceleration (Gravity mode)
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- radial acceleration (Gravity mode)
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- radius direction (Radius mode) (Particle Designer supports outwards to inwards direction only)
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It is possible to customize any of the above mentioned properties in runtime. Example:
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@code
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emitter.radialAccel = 15;
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emitter.startSpin = 0;
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@endcode
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*/
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class CC_DLL CCParticleSystem : public CCNode, public CCTextureProtocol
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{
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GEODE_FRIEND_MODIFY
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protected:
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gd::string m_sPlistFile;
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//! time elapsed since the start of the system (in seconds)
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float m_fElapsed;
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// Different modes
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//! Mode A:Gravity + Tangential Accel + Radial Accel
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struct {
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/** Gravity value. Only available in 'Gravity' mode. */
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CCPoint gravity;
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/** speed of each particle. Only available in 'Gravity' mode. */
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float speed;
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/** speed variance of each particle. Only available in 'Gravity' mode. */
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float speedVar;
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/** tangential acceleration of each particle. Only available in 'Gravity' mode. */
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float tangentialAccel;
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/** tangential acceleration variance of each particle. Only available in 'Gravity' mode. */
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float tangentialAccelVar;
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/** radial acceleration of each particle. Only available in 'Gravity' mode. */
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float radialAccel;
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/** radial acceleration variance of each particle. Only available in 'Gravity' mode. */
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float radialAccelVar;
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/** set the rotation of each particle to its direction Only available in 'Gravity' mode. */
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bool rotationIsDir;
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} modeA;
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//! Mode B: circular movement (gravity, radial accel and tangential accel don't are not used in this mode)
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struct {
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/** The starting radius of the particles. Only available in 'Radius' mode. */
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float startRadius;
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/** The starting radius variance of the particles. Only available in 'Radius' mode. */
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float startRadiusVar;
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/** The ending radius of the particles. Only available in 'Radius' mode. */
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float endRadius;
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/** The ending radius variance of the particles. Only available in 'Radius' mode. */
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float endRadiusVar;
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/** Number of degrees to rotate a particle around the source pos per second. Only available in 'Radius' mode. */
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float rotatePerSecond;
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/** Variance in degrees for rotatePerSecond. Only available in 'Radius' mode. */
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float rotatePerSecondVar;
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} modeB;
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//! Array of particles
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tCCParticle *m_pParticles;
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// color modulate
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// BOOL colorModulate;
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//! How many particles can be emitted per second
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float m_fEmitCounter;
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//! particle idx
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unsigned int m_uParticleIdx;
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// Optimization
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//CC_UPDATE_PARTICLE_IMP updateParticleImp;
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//SEL updateParticleSel;
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/** weak reference to the CCSpriteBatchNode that renders the CCSprite */
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CC_PROPERTY(CCParticleBatchNode*, m_pBatchNode, BatchNode);
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RT_REMOVE(
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CC_SYNTHESIZE(unsigned int, m_uAtlasIndex, AtlasIndex);
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)
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RT_ADD(
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CC_SYNTHESIZE_NV(unsigned int, m_uAtlasIndex, AtlasIndex);
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)
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//true if scaled or rotated
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bool m_bTransformSystemDirty;
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// Number of allocated particles
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unsigned int m_uAllocatedParticles;
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/** Is the emitter active */
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bool m_bIsActive;
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/** Quantity of particles that are being simulated at the moment */
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CC_PROPERTY_READONLY(unsigned int, m_uParticleCount, ParticleCount)
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/** How many seconds the emitter will run. -1 means 'forever' */
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CC_PROPERTY(float, m_fDuration, Duration)
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/** sourcePosition of the emitter */
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CC_PROPERTY_PASS_BY_REF(CCPoint, m_tSourcePosition, SourcePosition)
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/** Position variance of the emitter */
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CC_PROPERTY_PASS_BY_REF(CCPoint, m_tPosVar, PosVar)
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/** life, and life variation of each particle */
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CC_PROPERTY(float, m_fLife, Life)
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/** life variance of each particle */
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CC_PROPERTY(float, m_fLifeVar, LifeVar)
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/** angle and angle variation of each particle */
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CC_PROPERTY(float, m_fAngle, Angle)
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/** angle variance of each particle */
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CC_PROPERTY(float, m_fAngleVar, AngleVar)
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//////////////////////////////////////////////////////////////////////////
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public:
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// mode A
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virtual const CCPoint& getGravity();
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virtual void setGravity(const CCPoint& g);
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virtual float getSpeed();
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virtual void setSpeed(float speed);
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virtual float getSpeedVar();
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virtual void setSpeedVar(float speed);
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virtual float getTangentialAccel();
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virtual void setTangentialAccel(float t);
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virtual float getTangentialAccelVar();
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virtual void setTangentialAccelVar(float t);
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virtual float getRadialAccel();
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virtual void setRadialAccel(float t);
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virtual float getRadialAccelVar();
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virtual void setRadialAccelVar(float t);
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virtual bool getRotationIsDir();
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virtual void setRotationIsDir(bool t);
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// mode B
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virtual float getStartRadius();
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virtual void setStartRadius(float startRadius);
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virtual float getStartRadiusVar();
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virtual void setStartRadiusVar(float startRadiusVar);
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virtual float getEndRadius();
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virtual void setEndRadius(float endRadius);
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virtual float getEndRadiusVar();
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virtual void setEndRadiusVar(float endRadiusVar);
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virtual float getRotatePerSecond();
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virtual void setRotatePerSecond(float degrees);
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virtual float getRotatePerSecondVar();
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virtual void setRotatePerSecondVar(float degrees);
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virtual void setScale(float s);
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virtual void setRotation(float newRotation);
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virtual void setScaleX(float newScaleX);
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virtual void setScaleY(float newScaleY);
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virtual bool isActive();
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virtual bool isBlendAdditive();
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virtual void setBlendAdditive(bool value);
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//////////////////////////////////////////////////////////////////////////
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/** start size in pixels of each particle */
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CC_PROPERTY(float, m_fStartSize, StartSize)
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/** size variance in pixels of each particle */
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CC_PROPERTY(float, m_fStartSizeVar, StartSizeVar)
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/** end size in pixels of each particle */
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CC_PROPERTY(float, m_fEndSize, EndSize)
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/** end size variance in pixels of each particle */
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CC_PROPERTY(float, m_fEndSizeVar, EndSizeVar)
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/** start color of each particle */
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CC_PROPERTY_PASS_BY_REF(ccColor4F, m_tStartColor, StartColor)
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/** start color variance of each particle */
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CC_PROPERTY_PASS_BY_REF(ccColor4F, m_tStartColorVar, StartColorVar)
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/** end color and end color variation of each particle */
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CC_PROPERTY_PASS_BY_REF(ccColor4F, m_tEndColor, EndColor)
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/** end color variance of each particle */
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CC_PROPERTY_PASS_BY_REF(ccColor4F, m_tEndColorVar, EndColorVar)
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//* initial angle of each particle
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CC_PROPERTY(float, m_fStartSpin, StartSpin)
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//* initial angle of each particle
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CC_PROPERTY(float, m_fStartSpinVar, StartSpinVar)
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//* initial angle of each particle
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CC_PROPERTY(float, m_fEndSpin, EndSpin)
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//* initial angle of each particle
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CC_PROPERTY(float, m_fEndSpinVar, EndSpinVar)
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/** emission rate of the particles */
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CC_PROPERTY(float, m_fEmissionRate, EmissionRate)
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/** maximum particles of the system */
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CC_PROPERTY(unsigned int, m_uTotalParticles, TotalParticles)
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/** conforms to CocosNodeTexture protocol */
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CC_PROPERTY(CCTexture2D*, m_pTexture, Texture)
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/** conforms to CocosNodeTexture protocol */
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CC_PROPERTY(ccBlendFunc, m_tBlendFunc, BlendFunc)
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/** does the alpha value modify color */
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CC_PROPERTY(bool, m_bOpacityModifyRGB, OpacityModifyRGB)
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/** whether or not the particles are using blend additive.
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If enabled, the following blending function will be used.
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@code
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source blend function = GL_SRC_ALPHA;
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dest blend function = GL_ONE;
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@endcode
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*/
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bool m_bIsBlendAdditive;
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/** particles movement type: Free or Grouped
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@since v0.8
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*/
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CC_PROPERTY(tCCPositionType, m_ePositionType, PositionType)
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/** whether or not the node will be auto-removed when it has no particles left.
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By default it is false.
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@since v0.8
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*/
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protected:
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bool m_bIsAutoRemoveOnFinish;
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public:
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virtual bool isAutoRemoveOnFinish();
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virtual void setAutoRemoveOnFinish(bool var);
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/** Switch between different kind of emitter modes:
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- kCCParticleModeGravity: uses gravity, speed, radial and tangential acceleration
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- kCCParticleModeRadius: uses radius movement + rotation
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*/
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CC_PROPERTY(int, m_nEmitterMode, EmitterMode)
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public:
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/**
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* @js ctor
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*/
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CCParticleSystem();
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GEODE_CUSTOM_CONSTRUCTOR_COCOS(CCParticleSystem, CCNode)
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/**
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* @js NA
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* @lua NA
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*/
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virtual ~CCParticleSystem();
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/** creates an initializes a CCParticleSystem from a plist file.
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This plist files can be created manually or with Particle Designer:
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http://particledesigner.71squared.com/
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@since v2.0
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*/
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static CCParticleSystem * create(const char *plistFile);
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//! create a system with a fixed number of particles
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static CCParticleSystem* createWithTotalParticles(unsigned int numberOfParticles);
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/** initializes a CCParticleSystem*/
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bool init();
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/** initializes a CCParticleSystem from a plist file.
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This plist files can be created manually or with Particle Designer:
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http://particledesigner.71squared.com/
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@since v0.99.3
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*/
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bool initWithFile(const char *plistFile, bool);
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/** initializes a CCQuadParticleSystem from a CCDictionary.
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@since v0.99.3
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*/
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bool initWithDictionary(CCDictionary *dictionary, bool);
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/** initializes a particle system from a NSDictionary and the path from where to load the png
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@since v2.1
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*/
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bool initWithDictionary(CCDictionary *dictionary, const char *dirname, bool);
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//! Initializes a system with a fixed number of particles
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virtual bool initWithTotalParticles(unsigned int numberOfParticles, bool);
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//! Add a particle to the emitter
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bool addParticle();
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//! Initializes a particle
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void initParticle(tCCParticle* particle);
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//! stop emitting particles. Running particles will continue to run until they die
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void stopSystem();
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//! Kill all living particles.
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void resetSystem();
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RT_ADD(
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void resumeSystem();
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)
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//! whether or not the system is full
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bool isFull();
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//! should be overridden by subclasses
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virtual void updateQuadWithParticle(tCCParticle* particle, const CCPoint& newPosition);
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//! should be overridden by subclasses
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virtual void postStep();
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virtual void update(float dt);
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virtual void updateWithNoTime(void);
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protected:
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virtual void updateBlendFunc();
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RT_ADD(
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// saved/loaded in loadDefaults, loadScaledDefaults and saveDefaults
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float m_fDefaultStartSize;
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float m_fDefaultStartSizeVar;
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// saved as m_fEndSize but not loaded,
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// probably was supposed to be m_fDefaultEndSizeVar and saved and loaded as m_fEndSizeVar but was scrapped?
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float m_fDefaultEndSize2;
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float m_fDefaultEndSize;
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float m_fDefaultModeASpeed;
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float m_fDefaultModeASpeedVar;
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CCPoint m_tDefaultPosVar;
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)
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public:
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RT_ADD(
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void saveDefaults(void);
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void loadDefaults(void);
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void loadScaledDefaults(float);
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void calculateWorldSpace();
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bool getDontCleanupOnFinish() const;
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void setDontCleanupOnFinish(bool);
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bool getDynamicRotationIsDir() const;
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void setDynamicRotationIsDir(bool);
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bool getEndRGBVarSync() const;
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void setEndRGBVarSync(bool);
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float getFadeInTime() const;
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float getFadeInTimeVar() const;
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float getFadeOutTime() const;
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float getFadeOutTimeVar() const;
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float getFrictionPos() const;
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float getFrictionPosVar() const;
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float getFrictionRot() const;
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float getFrictionRotVar() const;
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float getFrictionSize() const;
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float getFrictionSizeVar() const;
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bool getOrderSensitive() const;
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float getRespawn() const;
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float getRespawnVar() const;
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bool getStartRGBVarSync() const;
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bool getStartRadiusEqualToEnd() const;
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bool getStartSizeEqualToEnd() const;
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bool getStartSpinEqualToEnd() const;
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float getTimeElapsed();
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bool getUseUniformColorMode() const;
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bool getWasRemoved() const;
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bool getUsingSchedule() const;
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void setEndAlpha(float);
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void setFadeInTime(float);
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void setFadeInTimeVar(float);
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void setFadeOutTime(float);
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void setFadeOutTimeVar(float);
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void setFrictionPos(float);
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void setFrictionPosVar(float);
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void setFrictionRot(float);
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void setFrictionRotVar(float);
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void setFrictionSize(float);
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void setFrictionSizeVar(float);
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void setOrderSensitive(bool);
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void setRespawn(float);
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void setRespawnVar(float);
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void setStartAlpha(float);
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void setStartRGBVarSync(bool);
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void setStartRadiusEqualToEnd(bool);
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void setStartSizeEqualToEnd(bool);
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void setStartSpinEqualToEnd(bool);
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void setUsingSchedule(bool);
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|
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void setWasRemoved(bool);
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|
|
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void toggleUniformColorMode(bool);
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void updateVisible();
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virtual void updateEmissionRate();
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)
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};
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// end of particle_nodes group
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/// @}
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NS_CC_END
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#endif //__CCPARTICLE_SYSTEM_H__
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