quick_shapes.h

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/*
 This file is part of the MinGfx Project.
 
 Copyright (c) 2017,2018 Regents of the University of Minnesota.
 All Rights Reserved.
 
 Original Author(s) of this File:
    Dan Keefe, 2017, University of Minnesota
    
 Author(s) of Significant Updates/Modifications to the File:
    ...
 */
 
#ifndef SRC_QUICK_SHAPES_H_
#define SRC_QUICK_SHAPES_H_
 
#include "color.h"
#include "default_shader.h"
#include "mesh.h"
#include "point3.h"
#include "shader_program.h"
#include "texture2d.h"
#include "vector3.h"
#include "matrix4.h"
 
#include <vector>
 
 
 
namespace mingfx {
 
class QuickShapes {
public:
    
    QuickShapes();
    virtual ~QuickShapes();
    
 
    // -------- 3D PRIMITIVES --------
    
    void DrawCube(const Matrix4 &modelMatrix,
                  const Matrix4 &viewMatrix,
                  const Matrix4 &projectionMatrix,
                  const Color &color);
 
    void DrawCylinder(const Matrix4 &modelMatrix,
                      const Matrix4 &viewMatrix,
                      const Matrix4 &projectionMatrix,
                      const Color &color);
 
    void DrawCone(const Matrix4 &modelMatrix,
                  const Matrix4 &viewMatrix,
                  const Matrix4 &projectionMatrix,
                  const Color &color);
    
    void DrawSphere(const Matrix4 &modelMatrix,
                    const Matrix4 &viewMatrix,
                    const Matrix4 &projectionMatrix,
                    const Color &color);
    
    void DrawBrush(const Matrix4 &modelMatrix,
                   const Matrix4 &viewMatrix,
                   const Matrix4 &projectionMatrix,
                   const Color &color);
    
    
    // -------- 3D COMPOSITE SHAPES --------
    
    void DrawLineSegment(const Matrix4 &modelMatrix,
                         const Matrix4 &viewMatrix,
                         const Matrix4 &projectionMatrix,
                         const Color &color,
                         const Point3 &p1,
                         const Point3 &p2,
                         float radius);
    
    enum class LinesType {
        LINES,
        LINE_STRIP,
        LINE_LOOP
    };
 
    void DrawLines(const Matrix4 &modelMatrix,
                   const Matrix4 &viewMatrix,
                   const Matrix4 &projectionMatrix,
                   const Color &color,
                   const std::vector<Point3> &points,
                   LinesType linesType,
                   float radius);
    
    void DrawArrow(const Matrix4 &modelMatrix,
                   const Matrix4 &viewMatrix,
                   const Matrix4 &projectionMatrix,
                   const Color &color,
                   Point3 p, Vector3 dir, float radius);
    
    void DrawAxes(const Matrix4 &modelMatrix,
                  const Matrix4 &viewMatrix,
                  const Matrix4 &projectionMatrix);
    
    
    // -------- 2D PRIMITIVES --------
    
    void DrawSquare(const Matrix4 &modelMatrix, const Matrix4 &viewMatrix,
                    const Matrix4 &projectionMatrix, const Color &color);
 
    void DrawSquare(const Matrix4 &modelMatrix, const Matrix4 &viewMatrix,
                    const Matrix4 &projectionMatrix, const Color &color,
                    const Texture2D &texture);
    
    void DrawFullscreenTexture(const Color &color, const Texture2D &texture);
    
    
    DefaultShader* default_shader();
 
    DefaultShader::MaterialProperties* material();
 
     
private:
        
    void DrawWithFullscreen(const Color &color, Mesh *mesh, const Texture2D &tex);
    
    Mesh cubeMesh_;
    void initCube();
 
    Mesh squareMesh_;
    void initSquare();
 
    Mesh fullMesh_;
    void initFull();
    
    Mesh cylMesh_;
    void initCyl();
    
    Mesh coneMesh_;
    void initCone();
 
    Mesh sphereMesh_;
    void initSph();
    
    Mesh brushMesh_;
    void initBrush();
 
    DefaultShader defaultShader_;
    DefaultShader::MaterialProperties defaultMaterial_;
    Texture2D emptyTex_;
    
    ShaderProgram fullscreenShader_;
};
 
} // end namespace
 
#endif