64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
#pragma once
|
|
#include "Vector3.h"
|
|
#include "Collider.h"
|
|
#include <array>
|
|
|
|
namespace Eule
|
|
{
|
|
/** A collider describing a trapazoidal prism.
|
|
* A trapazoidal prism is basically a box, but each vertex can be manipulated individually, altering
|
|
* the angles between faces.
|
|
* Distorting a 2d face into 3d space will result in undefined behaviour. Each face should stay flat, relative to itself. This shape is based on QUADS!
|
|
*/
|
|
class TrapazoidalPrismCollider : public Collider
|
|
{
|
|
public:
|
|
TrapazoidalPrismCollider();
|
|
TrapazoidalPrismCollider(const TrapazoidalPrismCollider& other) = default;
|
|
TrapazoidalPrismCollider(TrapazoidalPrismCollider&& other) noexcept = default;
|
|
void operator=(const TrapazoidalPrismCollider& other);
|
|
void operator=(TrapazoidalPrismCollider&& other) noexcept;
|
|
|
|
//! Will return a specific vertex
|
|
const Vector3d& GetVertex(std::size_t index) const;
|
|
|
|
//! Will set the value of a specific vertex
|
|
void SetVertex(std::size_t index, const Vector3d value);
|
|
|
|
//! Tests, if this Collider contains a point
|
|
bool Contains(const Vector3d& point) const override;
|
|
|
|
/* Vertex identifiers */
|
|
static constexpr std::size_t BACK = 0;
|
|
static constexpr std::size_t FRONT = 4;
|
|
static constexpr std::size_t LEFT = 0;
|
|
static constexpr std::size_t RIGHT = 2;
|
|
static constexpr std::size_t BOTTOM = 0;
|
|
static constexpr std::size_t TOP = 1;
|
|
|
|
private:
|
|
enum class FACE_NORMALS : std::size_t;
|
|
|
|
//! Will calculate the vertex normals from vertices
|
|
void GenerateNormalsFromVertices();
|
|
|
|
//! Returns the dot product of a given point against a specific plane of the bounding box
|
|
double FaceDot(FACE_NORMALS face, const Vector3d& point) const;
|
|
|
|
std::array<Vector3d, 8> vertices;
|
|
|
|
|
|
// Face normals
|
|
enum class FACE_NORMALS : std::size_t
|
|
{
|
|
LEFT = 0,
|
|
RIGHT = 1,
|
|
FRONT = 2,
|
|
BACK = 3,
|
|
TOP = 4,
|
|
BOTTOM = 5
|
|
};
|
|
std::array<Vector3d, 6> faceNormals;
|
|
};
|
|
}
|