Fixed problem with Cloud particles popping out of view at screen edge
authorChristoph Sommer <mail@christoph-sommer.de>
Sun, 25 Jun 2006 14:14:33 +0000 (14:14 +0000)
committerChristoph Sommer <mail@christoph-sommer.de>
Sun, 25 Jun 2006 14:14:33 +0000 (14:14 +0000)
SVN-Revision: 3745

src/object/particlesystem.cpp
src/object/particlesystem.hpp

index 8244604..a58a7d4 100644 (file)
 #include "object/camera.hpp"
 #include "random_generator.hpp"
 
-ParticleSystem::ParticleSystem()
+ParticleSystem::ParticleSystem(float max_particle_size)
+       : max_particle_size(max_particle_size)
 {
-  virtual_width = SCREEN_WIDTH + MAX_PARTICLE_SIZE * 2;
-  virtual_height = SCREEN_HEIGHT + MAX_PARTICLE_SIZE *2;
+  virtual_width = SCREEN_WIDTH + max_particle_size * 2;
+  virtual_height = SCREEN_HEIGHT + max_particle_size *2;
   z_pos = LAYER_BACKGROUND1;
 }
 
@@ -53,7 +54,7 @@ void ParticleSystem::draw(DrawingContext& context)
   float scrolly = context.get_translation().y;
 
   context.push_transform();
-  context.set_translation(Vector(MAX_PARTICLE_SIZE,MAX_PARTICLE_SIZE));
+  context.set_translation(Vector(max_particle_size,max_particle_size));
 
   std::vector<Particle*>::iterator i;
   for(i = particles.begin(); i != particles.end(); ++i) {
@@ -205,6 +206,7 @@ void GhostParticleSystem::update(float elapsed_time)
 }
 
 CloudParticleSystem::CloudParticleSystem()
+       : ParticleSystem(128)
 {
   cloudimage = new Surface("images/objects/particles/cloud.png");
 
index 3952cca..dd356f8 100644 (file)
@@ -52,13 +52,13 @@ class DisplayManager;
 class ParticleSystem : public GameObject
 {
 public:
-    ParticleSystem();
+    ParticleSystem(float max_particle_size = 60);
     virtual ~ParticleSystem();
     
     virtual void draw(DrawingContext& context);
 
 protected:
-    enum {MAX_PARTICLE_SIZE = 64};
+    float max_particle_size;
     int z_pos;
 
     class Particle