Changeset 3938 in orxonox.OLD for orxonox/branches/particleEngine/src/lib/graphics/particles/particle_system.cc

Timestamp:

Apr 23, 2005, 4:48:57 AM (19 years ago)

Author:

bensch

Message:

orxonox/branches/particleEngine: inherit speed from emitter is now also an option
for this i had to write a new PNode function, getVelocity (patrick: you could also use this one in the shoot-class, maybe).

File:

• orxonox/branches/particleEngine/src/lib/graphics/particles/particle_system.cc (modified) (2 diffs)

orxonox/branches/particleEngine/src/lib/graphics/particles/particle_system.cc

@@ -42 +42 @@
    this->setConserve(.8);
    this->setLifeSpan(.1);
+   this->setInheritSpeed(0);
 
    ParticleEngine::getInstance()->addSystem(this);
@@ -62 +63 @@
   this->material = material;
 }
+
+
+/**
+   \brief how much of the speed from the ParticleEmitter should flow onto the ParticleSystem
+   \param value a Value between zero and one
+
+   
+   if you want to change the value of this variable during emission time (to make it more dynamic)
+   you may want to use the animation class
+*/
+void ParticleSystem::setInheritSpeed(float value)
+{
+  if (unlikely(value > 1.0))
+    this->inheritSpeed = 1;
+  else if (unlikely(value < 0.0))
+    this->inheritSpeed = 0;
+  else
+    this->inheritSpeed = value;
+}
+
 
 void ParticleSystem::setLifeSpan(float lifeSpan, float randomLifeSpan)