RenderObject.h

#pragma once
 
class RenderManager;
 
class RenderObject
{
public:
    virtual void draw() = 0;
 
    RenderObject(int zIndex, RenderManager* renderManager);
    ~RenderObject();
 
    int getZIndex() { return this->zIndex; };

    struct ZIndexComparator {
        bool operator()(RenderObject const *lhs, RenderObject const *rhs ) const {
            return lhs->zIndex < rhs->zIndex;
        }
    };
 
private:
    int zIndex = 0;
 
protected:
    RenderManager* renderManager;
};