diff options
Diffstat (limited to 'src/particleemitter.cpp')
-rw-r--r-- | src/particleemitter.cpp | 100 |
1 files changed, 59 insertions, 41 deletions
diff --git a/src/particleemitter.cpp b/src/particleemitter.cpp index 08944cdd..edd7bf4f 100644 --- a/src/particleemitter.cpp +++ b/src/particleemitter.cpp @@ -74,20 +74,22 @@ ParticleEmitter::ParticleEmitter(xmlNodePtr emitterNode, Particle *target, Map * if (name == "position-x") { - mParticlePosX = readMinMax(propertyNode, 0.0f); + mParticlePosX = readParticleEmitterProp(propertyNode, 0.0f); } else if (name == "position-y") { - mParticlePosY = readMinMax(propertyNode, 0.0f); + mParticlePosY = readParticleEmitterProp(propertyNode, 0.0f); mParticlePosY.minVal *= SIN45; mParticlePosY.maxVal *= SIN45; + mParticlePosY.changeAmplitude *= SIN45; } else if (name == "position-z") { - mParticlePosZ = readMinMax(propertyNode, 0.0f); + mParticlePosZ = readParticleEmitterProp(propertyNode, 0.0f); mParticlePosZ.minVal *= SIN45; mParticlePosZ.maxVal *= SIN45; + mParticlePosZ.changeAmplitude *= SIN45; } else if (name == "image") { @@ -101,72 +103,74 @@ ParticleEmitter::ParticleEmitter(xmlNodePtr emitterNode, Particle *target, Map * } else if (name == "horizontal-angle") { - mParticleAngleHorizontal = readMinMax(propertyNode, 0.0f); + mParticleAngleHorizontal = readParticleEmitterProp(propertyNode, 0.0f); mParticleAngleHorizontal.minVal += rotation; mParticleAngleHorizontal.minVal *= DEG_RAD_FACTOR; mParticleAngleHorizontal.maxVal += rotation; mParticleAngleHorizontal.maxVal *= DEG_RAD_FACTOR; + mParticleAngleHorizontal.changeAmplitude *= DEG_RAD_FACTOR; } else if (name == "vertical-angle") { - mParticleAngleVertical = readMinMax(propertyNode, 0.0f); + mParticleAngleVertical = readParticleEmitterProp(propertyNode, 0.0f); mParticleAngleVertical.minVal *= DEG_RAD_FACTOR; mParticleAngleVertical.maxVal *= DEG_RAD_FACTOR; + mParticleAngleVertical.changeAmplitude *= DEG_RAD_FACTOR; } else if (name == "power") { - mParticlePower = readMinMax(propertyNode, 0.0f); + mParticlePower = readParticleEmitterProp(propertyNode, 0.0f); } else if (name == "gravity") { - mParticleGravity = readMinMax(propertyNode, 0.0f); + mParticleGravity = readParticleEmitterProp(propertyNode, 0.0f); } else if (name == "randomnes" || name == "randomness") // legacy bug { - mParticleRandomness = readMinMax(propertyNode, 0); + mParticleRandomness = readParticleEmitterProp(propertyNode, 0); } else if (name == "bounce") { - mParticleBounce = readMinMax(propertyNode, 0.0f); + mParticleBounce = readParticleEmitterProp(propertyNode, 0.0f); } else if (name == "lifetime") { - mParticleLifetime = readMinMax(propertyNode, 0); + mParticleLifetime = readParticleEmitterProp(propertyNode, 0); mParticleLifetime.minVal += 1; } else if (name == "output") { - mOutput = readMinMax(propertyNode, 0); + mOutput = readParticleEmitterProp(propertyNode, 0); mOutput.maxVal +=1; } else if (name == "output-pause") { - mOutputPause = readMinMax(propertyNode, 0); - mOutputPauseLeft = mOutputPause.value(); + mOutputPause = readParticleEmitterProp(propertyNode, 0); + mOutputPauseLeft = mOutputPause.value(0); } else if (name == "acceleration") { - mParticleAcceleration = readMinMax(propertyNode, 0.0f); + mParticleAcceleration = readParticleEmitterProp(propertyNode, 0.0f); } else if (name == "die-distance") { - mParticleDieDistance = readMinMax(propertyNode, 0.0f); + mParticleDieDistance = readParticleEmitterProp(propertyNode, 0.0f); } else if (name == "momentum") { - mParticleMomentum = readMinMax(propertyNode, 1.0f); + mParticleMomentum = readParticleEmitterProp(propertyNode, 1.0f); } else if (name == "fade-out") { - mParticleFadeOut = readMinMax(propertyNode, 0); + mParticleFadeOut = readParticleEmitterProp(propertyNode, 0); } else if (name == "fade-in") { - mParticleFadeIn = readMinMax(propertyNode, 0); + mParticleFadeIn = readParticleEmitterProp(propertyNode, 0); } else if (name == "alpha") { - mParticleAlpha = readMinMax(propertyNode, 1.0f); + mParticleAlpha = readParticleEmitterProp(propertyNode, 1.0f); } else if (name == "follow-parent") { @@ -301,21 +305,35 @@ ParticleEmitter::~ParticleEmitter() } -template <typename T> MinMax<T> -ParticleEmitter::readMinMax(xmlNodePtr propertyNode, T def) +template <typename T> ParticleEmitterProp<T> +ParticleEmitter::readParticleEmitterProp(xmlNodePtr propertyNode, T def) { - MinMax<T> retval; + ParticleEmitterProp<T> retval; def = (T) XML::getFloatProperty(propertyNode, "value", (double) def); retval.set((T) XML::getFloatProperty(propertyNode, "min", (double) def), (T) XML::getFloatProperty(propertyNode, "max", (double) def)); + std::string change = XML::getProperty(propertyNode, "change-func", "none"); + T amplitude = (T) XML::getFloatProperty(propertyNode, "change-amplitude", 0.0); + int period = XML::getProperty(propertyNode, "change-period", 0); + int phase = XML::getProperty(propertyNode, "change-phase", 0); + if (change == "saw" || change == "sawtooth") { + retval.setFunction(FUNC_SAW, amplitude, period, phase); + } else if (change == "sine" || change == "sinewave") { + retval.setFunction(FUNC_SINE, amplitude, period, phase); + } else if (change == "triangle") { + retval.setFunction(FUNC_TRIANGLE, amplitude, period, phase); + } else if (change == "square"){ + retval.setFunction(FUNC_SQUARE, amplitude, period, phase); + } + return retval; } std::list<Particle *> -ParticleEmitter::createParticles() +ParticleEmitter::createParticles(int tick) { std::list<Particle *> newParticles; @@ -324,9 +342,9 @@ ParticleEmitter::createParticles() mOutputPauseLeft--; return newParticles; } - mOutputPauseLeft = mOutputPause.value(); + mOutputPauseLeft = mOutputPause.value(tick); - for (int i = mOutput.value(); i > 0; i--) + for (int i = mOutput.value(tick); i > 0; i--) { // Limit maximum particles if (Particle::particleCount > Particle::maxCount) break; @@ -348,33 +366,33 @@ ParticleEmitter::createParticles() newParticle->setPosition( - mParticlePosX.value(), - mParticlePosY.value(), - mParticlePosZ.value()); + mParticlePosX.value(tick), + mParticlePosY.value(tick), + mParticlePosZ.value(tick)); - float angleH = mParticleAngleHorizontal.value(); - float angleV = mParticleAngleVertical.value(); - float power = mParticlePower.value(); + float angleH = mParticleAngleHorizontal.value(tick); + float angleV = mParticleAngleVertical.value(tick); + float power = mParticlePower.value(tick); newParticle->setVelocity( cos(angleH) * cos(angleV) * power, sin(angleH) * cos(angleV) * power, sin(angleV) * power); - newParticle->setRandomness(mParticleRandomness.value()); - newParticle->setGravity(mParticleGravity.value()); - newParticle->setBounce(mParticleBounce.value()); + newParticle->setRandomness(mParticleRandomness.value(tick)); + newParticle->setGravity(mParticleGravity.value(tick)); + newParticle->setBounce(mParticleBounce.value(tick)); newParticle->setFollow(mParticleFollow); newParticle->setDestination(mParticleTarget, - mParticleAcceleration.value(), - mParticleMomentum.value() + mParticleAcceleration.value(tick), + mParticleMomentum.value(tick) ); - newParticle->setDieDistance(mParticleDieDistance.value()); + newParticle->setDieDistance(mParticleDieDistance.value(tick)); - newParticle->setLifetime(mParticleLifetime.value()); - newParticle->setFadeOut(mParticleFadeOut.value()); - newParticle->setFadeIn(mParticleFadeIn.value()); - newParticle->setAlpha(mParticleAlpha.value()); + newParticle->setLifetime(mParticleLifetime.value(tick)); + newParticle->setFadeOut(mParticleFadeOut.value(tick)); + newParticle->setFadeIn(mParticleFadeIn.value(tick)); + newParticle->setAlpha(mParticleAlpha.value(tick)); for (std::list<ParticleEmitter>::iterator i = mParticleChildEmitters.begin(); i != mParticleChildEmitters.end(); |