MbsSpotLight.hh

Go to the documentation of this file.

 
#ifdef OPEN_GL
 
#ifndef _MBS_SPOT_LIGHT_HH_
#define _MBS_SPOT_LIGHT_HH_
 
#include "MbsPointLight.hh"
 
namespace OpenGLMbs{
 
class MbsSpotLight: public MbsPointLight
{
    public:
        MbsSpotLight(glm::vec3 const& rel_pos = glm::vec3(0.0f),
            glm::vec3 const& attenuation = glm::vec3(1.0f, 0.0f, 0.0f),
            glm::vec3 const& rel_dir = glm::vec3(0.0f, 0.0f, -1.0f),
            glm::mat4 const& parent_mat = glm::mat4(1.0f),
            glm::vec3 const& color = glm::vec3(1.0f),
            float ambient = 0.05f,
            float spread_angle = 3.1415927f,
            float concentration = 0.0f,
            bool active = true,
            int depth_x_width = 1024, int depth_y_width = 1024, float shadow_bias = 0.0f,
            float depth_near = 0.1f, float depth_far = 100.0f,
            glm::vec3 const& shadow_z_up = glm::vec3(0.0, 0.0, 1.0),
            float depth_FoV_rad = 1.0f);
        virtual ~MbsSpotLight();
 
        virtual void Update();
 
        glm::vec3 GetNormDir() const { return norm_dir; }
 
        float GetSpreadAngle()   const { return spread_angle;  }
 
        float GetConcentration() const { return concentration; }
 
        void UpdateRelDir(glm::vec3 const& rel_dir)
        {
            this->rel_dir = rel_dir;
            rel_dir_4 = glm::vec4(rel_dir, 0.0f);
 
            Update();
        }
 
        virtual void UpdateParentPos(glm::mat4 const& parent_mat)
        {
            MbsPointLight::UpdateParentPos(parent_mat);
 
            Update();
        }
 
    private:
        glm::vec3 dir;   
        glm::vec4 dir_4; 
        glm::vec3 norm_dir; 
 
        glm::vec3 rel_dir;   
        glm::vec4 rel_dir_4; 
 
        float spread_angle;  
        float concentration; 
};
 
}
#endif
#endif