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C-/C++-Quelltext

class AABB;
class Circle;

// Namespace für Kollisionsprüfungsfunktionen
//
namespace collision
{
    bool aabbVsAABB(AABB* a, AABB* b) { return false; }
    bool aabbVsCircle(AABB* a, Circle* b) { return false; }
    bool circleVsCircle(Circle* a, Circle* b) { return false; }
}
//



// abstrakte Basisklasse für Collider
//
class Collider{
public:
    virtual bool collidesWithAABB(AABB* other) = 0;
    virtual bool collidesWithCircle(Circle* other) = 0;

    virtual bool collidesWith(Collider* other) = 0;
};
//



// zwei Collider-Typen: achsengebundenes Rechteck und Kreis
//
class AABB : public Collider{
public:
    bool collidesWithAABB(AABB* other) override
    {
        return collision::aabbVsAABB(this, other);
    }
    bool collidesWithCircle(Circle* other) override
    {
        return collision::aabbVsCircle(this, other);
    }

    bool collidesWith(Collider* other) override
    {
        return other->collidesWithAABB(this);
    }
};

class Circle : public Collider{
public:
    bool collidesWithAABB(AABB* other) override
    {
        return collision::aabbVsCircle(other, this);
    }
    bool collidesWithCircle(Circle* other) override
    {
        return collision::circleVsCircle(this, other);
    }

    bool collidesWith(Collider* other) override
    {
        return other->collidesWithCircle(this);
    }
};
//