Changeset 8636 in orxonox.OLD for branches/atmospheric_engine/src/lib/graphics/effects/cloud_effect.h

Timestamp:

Jun 20, 2006, 3:42:03 PM (18 years ago)

Author:

hdavid

Message:

branches/atmospheric_engine: creating clouds with the shader works, animation of the clouds with the shader still not working

File:

• branches/atmospheric_engine/src/lib/graphics/effects/cloud_effect.h (modified) (1 diff)

branches/atmospheric_engine/src/lib/graphics/effects/cloud_effect.h

@@ -15 +15 @@
 #include "shader.h"
 
-class CloudEffect : public WeatherEffect {
+#define MAXB 0x100
+#define N 0x1000
+#define NP 12   /* 2^N */
+#define NM 0xfff
+
+#define s_curve(t) ( t * t * (3. - 2. * t) )
+#define lerp(t, a, b) ( a + t * (b - a) )
+#define setup(i,b0,b1,r0,r1)\
+        t = vec[i] + N;\
+        b0 = ((int)t) & BM;\
+        b1 = (b0+1) & BM;\
+        r0 = t - (int)t;\
+        r1 = r0 - 1.;
+#define at2(rx,ry) ( rx * q[0] + ry * q[1] )
+#define at3(rx,ry,rz) ( rx * q[0] + ry * q[1] + rz * q[2] )
+
+class CloudEffect : public WeatherEffect
+{
 public:
-    CloudEffect(const TiXmlElement* root = NULL);
-    virtual ~CloudEffect();
+  CloudEffect(const TiXmlElement* root = NULL);
+  virtual ~CloudEffect();
 
-    virtual void loadParams(const TiXmlElement* root);
+  virtual void loadParams(const TiXmlElement* root);
 
-    virtual void init();
+  virtual void init();
 
-    virtual void activate();
-    virtual void deactivate();
+  virtual void activate();
+  virtual void deactivate();
 
-    inline void activateCloud() {
-        this->activate();
-    }
-    inline void deactivateCloud() {
-        this->deactivate();
-    }
+  inline void activateCloud()
+  {
+    this->activate();
+  }
+  inline void deactivateCloud()
+  {
+    this->deactivate();
+  }
 
-    virtual void draw() const;
-    virtual void tick(float dt);
+  virtual void draw() const;
+  virtual void tick(float dt);
 
-    /*inline void setCloudOption(const std::string& option) {
-        if (option == "activate")
-    this->cloudActivate = true;
-}*/
+  void make3DNoiseTexture();
+  void initNoise();
+  void SetNoiseFrequency(int frequency);
+  double noise3(double vec[3]);
+  void normalize2(double v[2]);
+  void normalize3(double v[3]);
+
+  /*inline void setCloudOption(const std::string& option) {
+      if (option == "activate")
+  this->cloudActivate = true;
+  }*/
 
 
 private:
-    //void initialize(char* fileName);
+  //void initialize(char* fileName);
 
-    //bool        cloudActivate;
+  //bool        cloudActivate;
 
-    Material                 cloudMaterial;
-    Shader*                 shader;
+  // Material                 cloudMaterial;
+  Shader*                 shader;
+  Shader::Uniform*        offset;
+  
+  float coor;
+
+  int noise3DTexSize;
+  GLuint noise3DTexName;
+  GLubyte *noise3DTexPtr;
+
+  int p[MAXB + MAXB + 2];
+  double g3[MAXB + MAXB + 2][3];
+  double g2[MAXB + MAXB + 2][2];
+  double g1[MAXB + MAXB + 2];
+
+  int start;
+  int B;
+  int BM;
 };