particles.h

Go to the documentation of this file.

#ifndef PARTICLES
#define PARTICLES
 
#include <jGL/primitive.h>
#include <jGL/texture.h>
 
#include <memory>
#include <vector>
#include <cstdint>
 
namespace jGL
{
    class Particles
    {
 
    public:
 
        struct UpdateInfo
        {
            bool position, colour, texCoord;
        };
 
        Particles(size_t sizeHint)
        : points(std::vector<TexturedParticle>(sizeHint))
        {}
 
        Particles(std::vector<TexturedParticle> p)
        : points(p)
        {}
 
        virtual ~Particles() = default;
 
        virtual void update(UpdateInfo info) = 0;
 
        virtual void draw(glm::mat4 proj) = 0;
 
        virtual void setTexture(std::shared_ptr<Texture>) = 0;
 
        std::vector<TexturedParticle> & getParticles(){ return points; }
 
        void setBaseLineScale(float s) { baseLineScalePixels = s; }
 
    protected:
 
        float baseLineScalePixels = 1.0f;
 
        std::vector<TexturedParticle> points;
        std::shared_ptr<Texture> texture;
 
        uint32_t uploaded = 0;
        uint32_t drawing = 0;
 
    };
}
 
#endif /* PARTICLES */