SpeedLines.h

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// Copyright © 2008-2021 Pioneer Developers. See AUTHORS.txt for details
// Licensed under the terms of the GPL v3. See licenses/GPL-3.txt
 
#ifndef _SPEEDLINES_H
#define _SPEEDLINES_H
 
#include "matrix4x4.h"
#include "vector3.h"
#include "graphics/VertexBuffer.h"
#include "graphics/Material.h"
 
namespace Graphics {
    class Renderer;
    class RenderState;
}
 
class Ship;
 
// virtual space dust to give a sense of movement
 
class SpeedLines {
public:
    SpeedLines(Ship *);
 
    void Update(float time);
    void Render(Graphics::Renderer *);
 
    void SetTransform(const matrix4x4d &t) { m_transform = t; }
 
    Ship *GetShip() const { return m_ship; }
 
private:
    static void Init();
    static float BOUNDS;
    static int DEPTH;
    static float SPACING;
    static float MAX_VEL;
 
    void CreateVertexBuffer(Graphics::Renderer *r, const Uint32 size);
 
    Ship *m_ship;
 
    std::vector<vector3f> m_points;
 
    Graphics::RenderState *m_renderState;
    RefCountedPtr<Graphics::Material> m_material;
    std::unique_ptr<Graphics::VertexArray> m_varray;
    std::unique_ptr<Graphics::VertexBuffer> m_vbuffer;
 
    matrix4x4d m_transform;
 
    bool m_visible;
    float m_lineLength;
    vector3f m_dir;
};
 
#endif