MbsDirLight.hh

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#ifdef OPEN_GL
 
#ifndef _MBS_DIR_LIGHT_HH_
#define _MBS_DIR_LIGHT_HH_
 
#include "MbsLight.hh"
 
namespace OpenGLMbs{
 
class MbsDirLight: public MbsLight
{
    public:
        MbsDirLight(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,
            bool active = true,
            int depth_x_width = 1024, int depth_y_width = 1024, float shadow_bias = 0.0f,
            float depth_near = -10.0f, float depth_far = 20.0f,
            glm::vec3 const& shadow_z_up = glm::vec3(0.0, 0.0, 1.0),
            float depth_scale = 0.0015f,
            glm::vec3 const& rel_shadow_point = glm::vec3(0.0f));
        virtual ~MbsDirLight();
 
        virtual void Update();
 
        glm::vec3 GetNormDir() const { return norm_dir; }
 
        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)
        {
            MbsLight::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; 
 
        // shadow
        glm::vec3 rel_shadow_point; 
 
        glm::mat4 shadow_mat_pos; 
        glm::mat4 shadow_mat_rel; 
};
 
}
#endif
#endif