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-rw-r--r--src/particle.cpp41
1 files changed, 29 insertions, 12 deletions
diff --git a/src/particle.cpp b/src/particle.cpp
index fd86195c..1f067de3 100644
--- a/src/particle.cpp
+++ b/src/particle.cpp
@@ -193,7 +193,7 @@ bool Particle::update()
p++
)
{
- (*p)->moveBy(mPos.x, mPos.y, mPos.z);
+ (*p)->moveBy(mPos);
mChildParticles.push_back (*p);
}
}
@@ -230,6 +230,25 @@ bool Particle::update()
return true;
}
+void Particle::moveBy(const Vector &change)
+{
+ mPos += change;
+ for (ParticleIterator p = mChildParticles.begin();
+ p != mChildParticles.end();
+ p++)
+ {
+ if ((*p)->doesFollow())
+ {
+ (*p)->moveBy(change);
+ }
+ }
+}
+
+void Particle::moveTo(float x, float y)
+{
+ moveTo(Vector(x, y, mPos.z));
+}
+
Particle* Particle::addEffect(const std::string &particleEffectFile,
int pixelX, int pixelY, int rotation)
{
@@ -275,17 +294,15 @@ Particle* Particle::addEffect(const std::string &particleEffectFile,
}
// Read and set the basic properties of the particle
- int offsetX = XML::getProperty(effectChildNode, "position-x", 0);
- int offsetY = XML::getProperty(effectChildNode, "position-y", 0);
- int offsetZ = XML::getProperty(effectChildNode, "position-z", 0);
-
- int particleX = (int) mPos.x + pixelX + offsetX;
- int particleY = (int) mPos.y + pixelY + offsetY;
- int particleZ = (int) mPos.z + offsetZ;
+ float offsetX = XML::getFloatProperty(effectChildNode, "position-x", 0);
+ float offsetY = XML::getFloatProperty(effectChildNode, "position-y", 0);
+ float offsetZ = XML::getFloatProperty(effectChildNode, "position-z", 0);
+ Vector position (mPos.x + (float)pixelX + offsetX,
+ mPos.y + (float)pixelY + offsetY,
+ mPos.z + offsetZ);
+ newParticle->moveTo(position);
int lifetime = XML::getProperty(effectChildNode, "lifetime", -1);
-
- newParticle->setPosition(particleX, particleY, particleZ);
newParticle->setLifetime(lifetime);
// Look for additional emitters for this particle
@@ -311,7 +328,7 @@ Particle *Particle::addTextSplashEffect(const std::string &text,
{
Particle *newParticle = new TextParticle(mMap, text, colorR, colorG, colorB,
font);
- newParticle->setPosition(x, y, 0);
+ newParticle->moveTo(x, y);
newParticle->setVelocity(((rand() % 100) - 50) / 200.0f, // X
((rand() % 100) - 50) / 200.0f, // Y
((rand() % 100) / 200.0f) + 4.0f); // Z
@@ -330,7 +347,7 @@ Particle *Particle::addTextRiseFadeOutEffect(const std::string &text,
int x, int y)
{
Particle *newParticle = new TextParticle(mMap, text, 255, 255, 255, font);
- newParticle->setPosition(x, y, 0);
+ newParticle->moveTo(x, y);
newParticle->setVelocity(0.0f, 0.0f, 0.5f);
newParticle->setGravity(0.0015f);
newParticle->setLifetime(300);