mirror of https://github.com/axmolengine/axmol.git
Added rotationIsDir to Particle System. It sets the rotation of each particle to its direction
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@ -124,6 +124,7 @@ CCParticleSystem::CCParticleSystem()
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modeA.tangentialAccelVar = 0;
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modeA.radialAccel = 0;
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modeA.radialAccelVar = 0;
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modeA.rotationIsDir = false;
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modeB.startRadius = 0;
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modeB.startRadiusVar = 0;
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modeB.endRadius = 0;
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@ -277,6 +278,9 @@ bool CCParticleSystem::initWithDictionary(CCDictionary *dictionary, const char *
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// tangential acceleration
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modeA.tangentialAccel = dictionary->valueForKey("tangentialAcceleration")->floatValue();
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modeA.tangentialAccelVar = dictionary->valueForKey("tangentialAccelVariance")->floatValue();
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// rotation is dir
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modeA.rotationIsDir = dictionary->valueForKey("rotationIsDir")->boolValue();
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}
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// or Mode B: radius movement
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@ -544,6 +548,9 @@ void CCParticleSystem::initParticle(tCCParticle* particle)
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// tangential accel
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particle->modeA.tangentialAccel = modeA.tangentialAccel + modeA.tangentialAccelVar * CCRANDOM_MINUS1_1();
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// rotation is dir
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if(modeA.rotationIsDir)
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particle->rotation = -CC_RADIANS_TO_DEGREES(ccpToAngle(particle->modeA.dir));
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}
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// Mode Radius: B
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@ -897,6 +904,18 @@ float CCParticleSystem::getRadialAccelVar()
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return modeA.radialAccelVar;
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}
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void CCParticleSystem::setRotationIsDir(bool t)
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{
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CCAssert( m_nEmitterMode == kCCParticleModeGravity, "Particle Mode should be Gravity");
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modeA.rotationIsDir = t;
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}
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bool CCParticleSystem::getRotationIsDir()
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{
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CCAssert( m_nEmitterMode == kCCParticleModeGravity, "Particle Mode should be Gravity");
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return modeA.rotationIsDir;
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}
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void CCParticleSystem::setGravity(const CCPoint& g)
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{
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CCAssert( m_nEmitterMode == kCCParticleModeGravity, "Particle Mode should be Gravity");
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@ -196,6 +196,8 @@ protected:
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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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@ -277,6 +279,8 @@ public:
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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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