C:/Marmalade/7.4/examples/GameTutorial/CPP/Stage2/source/CollisionManager.h

// ---------------------------------------------------------------------------
// PLATFORM: All                                                             -
// PRODUCT: Fourplay                                                         -
// VISIBILITY: Public                                                        -
// ---------------------------------------------------------------------------
//                                                                           -
// PURPOSE: Check for and solve collisions between various physics entities. -
//                                                                           -
// ---------------------------------------------------------------------------

#ifndef COLLISIONMANAGER_H
#define COLLISIONMANAGER_H

#include "GameConstants.h"
#include <cmath>
#include "PhysicsObject.h"
#include "RectangleCollider.h"

class CollisionManager 
{
public:
        static CollisionManager* Instance();

        static void DestroyInstance();

        bool CheckCollision(PhysicsObject *discPhysics, 
                                                PhysicsObject *colliderPhysics, 
                                                double deltaTime);

        bool CheckCollision(PhysicsObject *discPhysics, 
                                                RectangleCollider *colliderPhysics, 
                                                double deltaTime);

        bool CheckCollision(float x1, 
                                                float y1, 
                                                float x2, 
                                                float y2, 
                                                float radius1, 
                                                float radius2);

        bool CheckButtonCollision(float x1, 
                                                          float y1, 
                                                          float x2, 
                                                          float y2, 
                                                          int width, 
                                                          int height);

        void SolveCollision(PhysicsObject *discPhysics, 
                                                PhysicsObject *colliderPhysics);

        void SolveCollision(PhysicsObject *discPhysics, 
                                                RectangleCollider *colliderPhysics, 
                                                bool hasCleared);
protected:
        CollisionManager();

        ~CollisionManager();

        static CollisionManager *m_instance;

        float m_colliderImpulse;
};

#endif