feat: add HDRI

1 files changed, 16 insertions, 12 deletions

diff --git a/src/engine/engine.h b/src/engine/engine.h
index 95cd1f0..88e0058 100644
--- a/src/engine/engine.h
+++ b/src/engine/engine.h
@@ -101,30 +101,34 @@ namespace Donut
         void  set_max_steps_static(int steps) { m_max_steps_static = steps; }
         void  set_early_exit_distance(float distance) { m_early_exit_distance = distance; }
         
-        float get_disk_thickness() const { return m_disk_thickness; }
+        float get_disk_thickness()         const  { return m_disk_thickness;      }
         void  set_disk_thickness(float thickness) { m_disk_thickness = thickness; }
         
-        float get_disk_density() const { return m_disk_density; }
-        void  set_disk_density(float density) { m_disk_density = density; }
+        float get_disk_density()            const { return m_disk_density;    }
+        void  set_disk_density(float density)     { m_disk_density = density; }
         
-        float get_rotation_speed() const { return m_rotation_speed; }
-        void  set_rotation_speed(float speed) { m_rotation_speed = speed; }
+        float get_rotation_speed()          const { return m_rotation_speed;  }
+        void  set_rotation_speed(float speed)     { m_rotation_speed = speed; }
         
-        float get_blur_strength() const { return m_blur_strength; }
-        void  set_blur_strength(float strength) { m_blur_strength = strength; }
+        float get_blur_strength()           const { return m_blur_strength;     }
+        void  set_blur_strength(float strength)   { m_blur_strength = strength; }
         
-        float get_glow_intensity() const { return m_glow_intensity; }
+        float get_glow_intensity()          const { return m_glow_intensity;      }
         void  set_glow_intensity(float intensity) { m_glow_intensity = intensity; }
         
         void load_objects_from_scene(const std::vector<Donut::Object>& objects);
         void export_high_res_frame(const std::string& filename, int width = 4096, int height = 3072);
         void print_object_info() const;
+        
+        void set_hdri_environment(Ref<CubemapTexture> hdri) { m_hdri_environment = hdri; }
+        Ref<CubemapTexture> get_hdri_environment()    const { return m_hdri_environment; }
     private:
         Ref<Shader> create_compute_program(const char* path);
         std::pair<Ref<VertexArray>, Ref<Texture2D>> quad_vao();
     private:
         Ref<VertexArray>   m_quad_vao;
         Ref<Texture2D>     m_texture;
+        Ref<CubemapTexture> m_hdri_environment;
         Ref<Shader>        m_shader_program;
         Ref<Shader>        m_compute_program;
         Ref<Shader>        m_blur_shader;
@@ -135,8 +139,8 @@ namespace Donut
 
         int   m_width;
         int   m_height;
-        float m_width_f = 100*10e10f;
-        float m_height_f = 75*10e10f;
+        float m_width_f = 100.0f*1e10f;
+        float m_height_f = 75.0f*1e10f;
 
         int   m_target_fps     = 60;
         float m_current_fps    = 60.0f;
@@ -150,9 +154,9 @@ namespace Donut
         
         int   m_max_steps_moving    = 60000;
         int   m_max_steps_static    = 30000;
-        float m_early_exit_distance = 5e11f;
+        float m_early_exit_distance = 5.0e11f;
         
-        float m_disk_thickness = 0.1;    
+        float m_disk_thickness = 0.1f;    
         float m_disk_density   = 0.1f;
         float m_rotation_speed = 1.0f;
         float m_blur_strength  = 2.0f;