Changeset 3932 in orxonox.OLD for orxonox/branches/particleEngine/src/lib/graphics/particles/particle_system.cc

Timestamp:

Apr 23, 2005, 12:42:09 AM (19 years ago)

Author:

bensch

Message:

orxonox/branches/particleEngine: the first particles are being drawn

File:

• orxonox/branches/particleEngine/src/lib/graphics/particles/particle_system.cc (modified) (3 diffs)

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

@@ -20 +20 @@
 #include "particle_emitter.h"
 #include "particle_engine.h"
+#include "compiler.h"
 
 using namespace std;
@@ -36 +37 @@
 
    this->particleType = type;
+   this->particles = NULL;
+   this->conserve = 1.0;
+   this->setLifeSpan(5.0);
+
+   ParticleEngine::getInstance()->addSystem(this);
 }
 
@@ -43 +49 @@
 
 */
-ParticleSystem::~ParticleSystem () 
+ParticleSystem::~ParticleSystem() 
 {
   // delete what has to be deleted here
 }
 
+// setting properties
+void ParticleSystem::setMaterial(Material* material)
+{
+  
+}
+
+void ParticleSystem::setLifeSpan(float lifeSpan, float randomLifeSpan)
+{
+
+}
+
+void ParticleSystem::setRadius(float startRadius, float endRadius, float randomRadius)
+{
+
+}
+
+void ParticleSystem::setConserve(float conserve)
+{
+  this->conserve = conserve;
+}
+
+
 
 void ParticleSystem::tick(float dt)
 {
+  Particle* tmpPart = particles;
+  while (likely(tmpPart != NULL))
+    {
+      tmpPart->position = tmpPart->position + tmpPart->velocity;
+
+      // many more to come
+
+      tmpPart = tmpPart->next;
+    }
+}
+
+void ParticleSystem::draw(void)
+{
+  Particle* tmpPart = particles;
+  if (likely(tmpPart != NULL))
+    {
+      glBegin(GL_POINTS);
+      while (likely(tmpPart != NULL))
+        {
+          // draw in DOT mode
+          glVertex3f(tmpPart->position.x, tmpPart->position.y, tmpPart->position.z);
+          
+          
+          tmpPart = tmpPart->next;
+        }
+      glEnd();
+    }
+}
+
+
+void ParticleSystem::addParticle(Vector position, Vector velocity, unsigned int data)
+{
+  // if it is the first Particle
+  if (unlikely(particles == NULL))
+    {
+      this->particles = new Particle;
+      this->particles->next = NULL;
+    }
+  // filling the List from the beginning
+  else
+    {
+      Particle* tmpPart = new Particle;
+      tmpPart->next = this->particles;
+      this->particles = tmpPart;
+    }
   
+  particles->timeToLive = this->lifeSpan + (float)(random()/RAND_MAX)* this->randomLifeSpan;
+  particles->position = position;
+  particles->velocity = velocity;
+  //  particle->rotation = ; //! \todo rotation is once again something to be done.
+  particles->mass = this->initialMass + (random()/RAND_MAX)* this->randomInitialMass;
+  particles->radius = this->startRadius + (random()/RAND_MAX)*this->randomRadius;
+}
 
-}