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authorBjørn Lindeijer <bjorn@lindeijer.nl>2007-09-19 17:28:33 +0000
committerBjørn Lindeijer <bjorn@lindeijer.nl>2007-09-19 17:28:33 +0000
commit1a9320fafb23940d0463e6f384713d0f99fc0c61 (patch)
treed152680dbdc8febf0b5a445ba760255068d72f04 /src/particle.cpp
parent2f027ebcf8f0ad78f7edf58af7dda94d89034c85 (diff)
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Merged 0.0 changes from revision 3362 to 3580 to trunk.
Diffstat (limited to 'src/particle.cpp')
-rw-r--r--src/particle.cpp96
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
}