Changeset 6823 in orxonox.OLD for trunk/src/lib/particles/box_emitter.cc

Timestamp:

Jan 29, 2006, 2:20:46 AM (18 years ago)

Author:

bensch

Message:

orxonox/trunk: BoxEmitter

File:

• trunk/src/lib/particles/box_emitter.cc (copied) (copied from trunk/src/lib/particles/dot_emitter.cc) (6 diffs)

trunk/src/lib/particles/box_emitter.cc

@@ -16 +16 @@
 #define DEBUG_SPECIAL_MODULE DEBUG_MODULE_GRAPHICS
 
-#include "dot_emitter.h"
+#include "box_emitter.h"
 
 #include "particle_system.h"
@@ -28 +28 @@
 
 
-CREATE_FACTORY(DotEmitter, CL_DOT_EMITTER);
+CREATE_FACTORY(BoxEmitter, CL_BOX_EMITTER);
 
 /**
  *  standard constructor
 */
-DotEmitter::DotEmitter(const Vector& direction, float angle, float emissionRate,
-                       float velocity)
-  : ParticleEmitter(direction, angle, emissionRate, velocity)
+BoxEmitter::BoxEmitter(const Vector& size)
 {
   this->init();
+  this->setSize(size);
 }
 
 /**
- *  constructs and loads a DotEmitter from a XML-element
+ *  constructs and loads a BoxEmitter from a XML-element
  * @param root the XML-element to load from
 */
-DotEmitter::DotEmitter(const TiXmlElement* root)
-  : ParticleEmitter()
+BoxEmitter::BoxEmitter(const TiXmlElement* root)
+    : ParticleEmitter()
 {
   this->init();
 
-   if (root != NULL)
-     this->loadParams(root);
+  if (root != NULL)
+    this->loadParams(root);
 }
 
@@ -58 +57 @@
    removes the EmitterSystem from the ParticleEngine
 */
-DotEmitter::~DotEmitter ()
+BoxEmitter::~BoxEmitter ()
 {
   this->setSystem(NULL);
@@ -66 +65 @@
   @brief initializes default values of a ParitcleEmitter
 */
-void DotEmitter::init()
+void BoxEmitter::init()
 {
-  this->setClassID(CL_DOT_EMITTER, "DotEmitter");
+  this->setClassID(CL_BOX_EMITTER, "BoxEmitter");
+  this->setSize(1.0f,1.0f,1.0f);
 }
 
-void DotEmitter::emitParticles(unsigned int count) const
+void BoxEmitter::loadParams(const TiXmlElement* root)
+{
+  ParticleEmitter::loadParams(root);
+
+  LoadParam(root, "size", this, BoxEmitter, setSize)
+  .describe("The Size of the BoxEmitter: x, y, z")
+  .defaultValues(3, 1.0f,1.0f,1.0f);
+}
+
+void BoxEmitter::emitParticles(unsigned int count) const
 {
   Vector inheritVelocity = this->getVelocity() * this->inheritSpeed;
@@ -82 +91 @@
     Vector velocityV = randDir.getNormalized()*this->velocity + inheritVelocity;
 
+    Vector extension = Vector(((float)rand()/RAND_MAX -.5)*this->size.x,
+                              ((float)rand()/RAND_MAX -.5) *this->size.y,
+                              ((float)rand()/RAND_MAX -.5) * this->size.z);
+
+
     // ROTATIONAL CALCULATION (this must not be done for all types of particles.)
     randDir = Vector(rand()-RAND_MAX/2, rand()-RAND_MAX/2, rand()-RAND_MAX/2);
@@ -88 +102 @@
     Quaternion moment = Quaternion(this->momentum + this->momentumRandom, randDir);
 
-    this->getSystem()->addParticle(this->getAbsCoor(), velocityV, orient, moment);
+    this->getSystem()->addParticle(this->getAbsCoor() + extension, velocityV, orient, moment);
 
   }