Changeset 4192 in orxonox.OLD for orxonox/branches/physics/src/lib/graphics/particles/particle_system.h

Timestamp:

May 16, 2005, 12:55:19 AM (19 years ago)

Author:

bensch

Message:

orxonox/branches/physics: reimplemented the lifeTime function of particles (a little bit slower, but much more efficient)
Color also implemented with the new TimeCode

File:

• orxonox/branches/physics/src/lib/graphics/particles/particle_system.h (modified) (4 diffs)

orxonox/branches/physics/src/lib/graphics/particles/particle_system.h

@@ -36 +36 @@
 typedef struct Particle
 {
-  float timeToLive;           //!< The time this particle lives from NOW on.
+  float lifeTime;             //!< The time this particle has to live.
+  float lifeCycle;            //!< The fraction of time passed. (in percentage of its lifeTime)
+
   Vector position;            //!< The current position of this particle.
   Vector velocity;            //!< The current velocity of this particle.
@@ -44 +46 @@
   float radius;               //!< The current size of this particle.
   float radiusIt;             //!< The difference of the Size per second.
+
+  GLfloat color [4];          //!< A Color for the particles.
 
   PARTICLE_TYPE type;
@@ -70 +74 @@
   void setMass(float mass, float randomMass);
 
+  void setColor(GLfloat br, GLfloat bg, GLfloat bb, GLfloat ba,
+                GLfloat mr, GLfloat mg, GLfloat mb, GLfloat ma,
+                GLfloat er, GLfloat eg, GLfloat eb, GLfloat ea);
+
   void applyField(float dt, Field* field);
 
@@ -82 +90 @@
   float conserve;            //!< How much energy gets conserved to the next Tick.
   float lifeSpan;            //!< Initial lifetime of a Particle.
-  float randomLifeSpan;
-  float startRadius;
-  float endRadius;
-  float randomStartRadius;
-  float randomEndRadius;
-  float initialMass;
-  float randomInitialMass;
-  float inheritSpeed;
+  float randomLifeSpan;      //!< A random value for the Lifespan (around the initial lifetime)
+  float startRadius;         //!< The beginning Radius of the Particle
+  float endRadius;           //!< The end Radius of the Particle
+  float randomStartRadius;   //!< The Random start Radius (begin + rand*randomValue)
+  float randomEndRadius;     //!< Random end value
+  float initialMass;         //!< The initial Mass of the Particle
+  float randomInitialMass;   //!< The random initial Mass of the Particle
+  float inheritSpeed;        //!< How much speed the particle inherits from the Emitters speed \todo move this to the emitter
+
+  GLfloat startColor[4];     //!< Color of the Particle at the beginning
+  GLfloat midColor[4];       //!< Color of the Particle at the middle of its lifeSpan
+  GLfloat endColor[4];       //!< Color of the Particle at the end of its lifeSpan
 
   // particles