LightRenderer.h

#pragma once
 
#include <GL/glew.h>
#include <glm/glm.hpp>
#include <vector>
 
#include "../../../GLSLProgram.h"
#include "../PlaneRenderer.h"
 
 
// init --_
//       `-->begin() 
//       |
//       | --> draw()
//       | --> draw()
//       |
//       |--> end() 
//       `--> renderBatch() 
 
class LightRenderer : public PlaneRenderer{
public:
    LightRenderer();
    ~LightRenderer();
 
    void init();
 
    void begin();
    void end();
 
    void initBatchSize();
 
    void drawTriangle(size_t v_index,
        const glm::vec3& depth,
        const glm::vec3& cpuRotation, const Color& color);
 
    void draw(size_t v_index,
        const glm::vec2& rectSize,
        const glm::vec3& bodyCenter,
        const glm::vec3& mRotation,
        const Color& color);
 
    void drawBox(size_t v_index,
        const glm::vec3& boxSize,
        const glm::vec3& bodyCenter,
        const glm::vec3& mRotation,
        const Color& color);
 
    void drawSphere(size_t v_index,
        const glm::vec3& sphereSize,
        const glm::vec3& bodyCenter,
        const glm::vec3& mRotation,
        const Color& color);
 
 
    void renderBatch(GLSLProgram* glsl_program);
 
    void dispose();
 
    std::vector<LightVertex> sphereVertices = {
        // Generated vertices will go here
    };
 
    std::vector<GLuint> sphereIndices = {
        // Generated indices will go here
    };
 
private:
    void createInstancesVBO();
    void createVertexArray();
 
    std::vector<ColorMeshRenderer> _meshesArrays;
    std::vector<ColorMeshRenderer> _meshesElements;
 
};