diff options
Diffstat (limited to 'src/particle.cpp')
| -rw-r--r-- | src/particle.cpp | 96 |
1 files changed, 47 insertions, 49 deletions
diff --git a/src/particle.cpp b/src/particle.cpp index 805da102..148bbf6f 100644 --- a/src/particle.cpp +++ b/src/particle.cpp @@ -52,14 +52,12 @@ const float Particle::PARTICLE_SKY = 800.0f; Particle::Particle(Map *map): mAlive(true), - mPosX(0.0f), mPosY(0.0f), mPosZ(0.0f), mLifetimeLeft(-1), mLifetimePast(0), mFadeOut(0), mFadeIn(0), mAutoDelete(true), mMap(map), - mVectorX(0.0f), mVectorY(0.0f), mVectorZ(0.0f), mGravity(0.0f), mRandomnes(0), mBounce(0.0f), @@ -109,7 +107,7 @@ Particle::update() p++ ) { - (*p)->moveBy(mPosX, mPosY, mPosZ); + (*p)->moveBy(mPos.x, mPos.y, mPos.z); mChildParticles.push_back (*p); } } @@ -117,31 +115,28 @@ Particle::update() if (mMomentum != 1.0f) { - mVectorX *= mMomentum; - mVectorY *= mMomentum; - mVectorZ *= mMomentum; + mVelocity *= mMomentum; } if (mTarget && mAcceleration != 0.0f) { - float distX = (mPosX - mTarget->getPosX()) * SIN45; - float distY = mPosY - mTarget->getPosY(); - float distZ = mPosZ - mTarget->getPosZ(); + Vector dist = mPos - mTarget->getPosition(); + dist.x *= SIN45; float invHypotenuse; - switch(Particle::fastPhysics) + switch (Particle::fastPhysics) { case 1: invHypotenuse = fastInvSqrt( - distX * distX + distY * distY + distZ * distZ); + dist.x * dist.x + dist.y * dist.y + dist.z * dist.z); break; case 2: invHypotenuse = 2.0f / - fabs(distX) + fabs(distY) + fabs(distZ); + fabs(dist.x) + fabs(dist.y) + fabs(dist.z); break; default: invHypotenuse = 1.0f / sqrt( - distX * distX + distY * distY + distZ * distZ); + dist.x * dist.x + dist.y * dist.y + dist.z * dist.z); break; } @@ -152,25 +147,23 @@ Particle::update() mAlive = false; } float accFactor = invHypotenuse * mAcceleration; - mVectorX -= distX * accFactor; - mVectorY -= distY * accFactor; - mVectorZ -= distZ * accFactor; + mVelocity -= dist * accFactor; } } if (mRandomnes > 0) { - mVectorX += (rand()%mRandomnes - rand()%mRandomnes) / 1000.0f; - mVectorY += (rand()%mRandomnes - rand()%mRandomnes) / 1000.0f; - mVectorZ += (rand()%mRandomnes - rand()%mRandomnes) / 1000.0f; + mVelocity.x += (rand()%mRandomnes - rand()%mRandomnes) / 1000.0f; + mVelocity.y += (rand()%mRandomnes - rand()%mRandomnes) / 1000.0f; + mVelocity.z += (rand()%mRandomnes - rand()%mRandomnes) / 1000.0f; } - mVectorZ -= mGravity; + mVelocity.z -= mGravity; // Update position - mPosX += mVectorX; - mPosY += mVectorY * SIN45; - mPosZ += mVectorZ * SIN45; + mPos.x += mVelocity.x; + mPos.y += mVelocity.y * SIN45; + mPos.z += mVelocity.z * SIN45; // Update other stuff if (mLifetimeLeft > 0) @@ -179,14 +172,13 @@ Particle::update() } mLifetimePast++; - if (mPosZ > PARTICLE_SKY || mPosZ < 0.0f) + if (mPos.z > PARTICLE_SKY || mPos.z < 0.0f) { if (mBounce > 0.0f) { - mPosZ *= -mBounce; - mVectorX *= mBounce; - mVectorY *= mBounce; - mVectorZ *= -mBounce; + mPos.z *= -mBounce; + mVelocity *= mBounce; + mVelocity.z = -mVelocity.z; } else { mAlive = false; @@ -195,10 +187,8 @@ Particle::update() } // Update child particles - for ( ParticleIterator p = mChildParticles.begin(); - p != mChildParticles.end(); - - ) + for (ParticleIterator p = mChildParticles.begin(); + p != mChildParticles.end();) { if ((*p)->update()) { @@ -217,14 +207,9 @@ Particle::update() return true; } - -void Particle::draw(Graphics *graphics, int offsetX, int offsetY) const -{ -} - - Particle* -Particle::addEffect(std::string particleEffectFile, int pixelX, int pixelY) +Particle::addEffect(const std::string &particleEffectFile, + int pixelX, int pixelY) { Particle *newParticle = NULL; @@ -289,9 +274,9 @@ Particle::addEffect(std::string particleEffectFile, int pixelX, int pixelY) int offsetY = XML::getProperty(effectChildNode, "position-y", 0); int offsetZ = XML::getProperty(effectChildNode, "position-z", 0); - int particleX = (int)mPosX + pixelX + offsetX; - int particleY = (int)mPosY + pixelY + offsetY; - int particleZ = (int)mPosZ + offsetZ; + int particleX = (int) mPos.x + pixelX + offsetX; + int particleY = (int) mPos.y + pixelY + offsetY; + int particleZ = (int) mPos.z + offsetZ; int lifetime = XML::getProperty(effectChildNode, "lifetime", -1); @@ -317,17 +302,16 @@ Particle::addEffect(std::string particleEffectFile, int pixelX, int pixelY) Particle* -Particle::addTextSplashEffect(std::string text, +Particle::addTextSplashEffect(const std::string &text, int colorR, int colorG, int colorB, gcn::Font *font, int x, int y) { Particle *newParticle = new TextParticle(mMap, text, colorR, colorG, colorB, font); newParticle->setPosition(x, y, 0); - newParticle->setVector ( ((rand()%100) - 50) / 200.0f, // X vector - ((rand()%100) - 50) / 200.0f, // Y vector - ((rand()%100) / 200.0f) + 4.0f // Z vector - ); + newParticle->setVelocity(((rand() % 100) - 50) / 200.0f, // X + ((rand() % 100) - 50) / 200.0f, // Y + ((rand() % 100) / 200.0f) + 4.0f); // Z newParticle->setGravity(0.1f); newParticle->setBounce(0.5f); newParticle->setLifetime(200); @@ -338,14 +322,28 @@ Particle::addTextSplashEffect(std::string text, return newParticle; } +Particle* +Particle::addTextRiseFadeOutEffect(const std::string &text, gcn::Font *font, + int x, int y) +{ + Particle *newParticle = new TextParticle(mMap, text, 255, 255, 255, font); + newParticle->setPosition(x, y, 0); + newParticle->setVelocity(0.0f, 0.0f, 0.5f); + newParticle->setGravity(0.0015f); + newParticle->setLifetime(300); + newParticle->setFadeOut(50); + newParticle->setFadeIn(200); + + mChildParticles.push_back(newParticle); + + return newParticle; +} void Particle::setMap(Map *map) { mMap = map; if (mMap) setSpriteIterator(mMap->addSprite(this)); - - // TODO: Create map emitters based on emitter data in map data } |