boundable.h

#pragma once
 
#include "../types.h"
 
namespace smlt {
 
class Boundable {
public:
    virtual const AABB& aabb() const = 0;
 
    virtual float width() const {
        AABB box = aabb();
        return box.width();
    }
 
    virtual float height() const {
        AABB box = aabb();
        return box.height();
    }
 
    virtual float depth() const {
        AABB box = aabb();
        return box.depth();
    }
 
    virtual float half_width() const { return width() * 0.5f; }
    virtual float half_height() const { return height() * 0.5f; }
    virtual float half_depth() const { return depth() * 0.5f; }
 
    virtual float diameter() const { return std::max(width(), std::max(height(), depth())); }
    virtual float radius() const { return diameter() * 0.5f; }
};
 
class BoundableEntity:
    public virtual Boundable {
 
public:
    virtual const AABB transformed_aabb() const = 0;
    virtual const Vec3 centre() const {
        AABB box = transformed_aabb();
        return box.centre();
    }
};
 
}