/
Transform.h
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/
Transform.h
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// VQE
// Copyright(C) 2020 - Volkan Ilbeyli
//
// This program is free software : you can redistribute it and / or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.If not, see <http://www.gnu.org/licenses/>.
//
// Contact: volkanilbeyli@gmail.com
#pragma once
#include <DirectXMath.h>
#include "Quaternion.h"
#include <utility>
constexpr DirectX::XMFLOAT3 UpVector = DirectX::XMFLOAT3(0, 1, 0);
constexpr DirectX::XMFLOAT3 RightVector = DirectX::XMFLOAT3(1, 0, 0);
constexpr DirectX::XMFLOAT3 ForwardVector = DirectX::XMFLOAT3(0, 0, 1);
constexpr DirectX::XMFLOAT3 XAxis = DirectX::XMFLOAT3(1, 0, 0);
constexpr DirectX::XMFLOAT3 YAxis = DirectX::XMFLOAT3(0, 1, 0);
constexpr DirectX::XMFLOAT3 ZAxis = DirectX::XMFLOAT3(0, 0, 1);
struct Transform
{
public:
//----------------------------------------------------------------------------------------------------------------
// CONSTRUCTOR / DESTRUCTOR
//----------------------------------------------------------------------------------------------------------------
Transform( const DirectX::XMFLOAT3& position = DirectX::XMFLOAT3(0.0f, 0.0f, 0.0f),
const Quaternion& rotation = Quaternion::Identity(),
const DirectX::XMFLOAT3& scale = DirectX::XMFLOAT3(1.0f, 1.0f, 1.0f));
~Transform();
Transform& operator=(const Transform&);
//----------------------------------------------------------------------------------------------------------------
// GETTERS & SETTERS
//----------------------------------------------------------------------------------------------------------------
inline void SetXRotationDeg(float xDeg) { _rotation = Quaternion::FromAxisAngle(RightVector , xDeg * DEG2RAD); }
inline void SetYRotationDeg(float yDeg) { _rotation = Quaternion::FromAxisAngle(UpVector , yDeg * DEG2RAD); }
inline void SetZRotationDeg(float zDeg) { _rotation = Quaternion::FromAxisAngle(ForwardVector, zDeg * DEG2RAD); }
inline void SetScale(float x, float y, float z) { _scale = DirectX::XMFLOAT3(x, y, z); }
inline void SetScale(const DirectX::XMFLOAT3& scl) { _scale = scl; }
inline void SetUniformScale(float s) { _scale = DirectX::XMFLOAT3(s, s, s); }
inline void SetPosition(float x, float y, float z) { _position = DirectX::XMFLOAT3(x, y, z); }
inline void SetPosition(const DirectX::XMFLOAT3& pos){ _position = pos; }
//----------------------------------------------------------------------------------------------------------------
// TRANSFORMATIONS
//----------------------------------------------------------------------------------------------------------------
void Translate(const DirectX::XMFLOAT3& translation);
void Translate(float x, float y, float z);
void Scale (const DirectX::XMFLOAT3& scl);
void RotateAroundPointAndAxis(const DirectX::XMVECTOR& axis, float angle, const DirectX::XMVECTOR& point);
inline void RotateAroundAxisRadians (const DirectX::XMVECTOR& axis, float angle) { RotateInWorldSpace(Quaternion::FromAxisAngle(axis, angle)); }
inline void RotateAroundAxisDegrees(const DirectX::XMVECTOR& axis, float angle) { RotateInWorldSpace(Quaternion::FromAxisAngle(axis, angle * DEG2RAD)); }
inline void RotateAroundAxisRadians(const DirectX::XMFLOAT3& axis, float angle) { DirectX::XMVECTOR Axis = XMLoadFloat3(&axis); RotateInWorldSpace(Quaternion::FromAxisAngle(axis, angle)); }
inline void RotateAroundAxisDegrees(const DirectX::XMFLOAT3& axis, float angle) { DirectX::XMVECTOR Axis = XMLoadFloat3(&axis); RotateInWorldSpace(Quaternion::FromAxisAngle(axis, angle * DEG2RAD)); }
inline void RotateAroundLocalXAxisDegrees(float angle) { RotateInLocalSpace(Quaternion::FromAxisAngle(XAxis, std::forward<float>(angle * DEG2RAD))); }
inline void RotateAroundLocalYAxisDegrees(float angle) { RotateInLocalSpace(Quaternion::FromAxisAngle(YAxis, std::forward<float>(angle * DEG2RAD))); }
inline void RotateAroundLocalZAxisDegrees(float angle) { RotateInLocalSpace(Quaternion::FromAxisAngle(ZAxis, std::forward<float>(angle * DEG2RAD))); }
inline void RotateAroundGlobalXAxisDegrees(float angle) { RotateAroundAxisDegrees(XAxis, std::forward<float>(angle)); }
inline void RotateAroundGlobalYAxisDegrees(float angle) { RotateAroundAxisDegrees(YAxis, std::forward<float>(angle)); }
inline void RotateAroundGlobalZAxisDegrees(float angle) { RotateAroundAxisDegrees(ZAxis, std::forward<float>(angle)); }
inline void RotateInWorldSpace(const Quaternion& q) { _rotation = q * _rotation; }
inline void RotateInLocalSpace(const Quaternion& q) { _rotation = _rotation * q; }
inline void ResetPosition() { _position = DirectX::XMFLOAT3(0, 0, 0); }
inline void ResetRotation() { _rotation = Quaternion::Identity(); }
inline void ResetScale() { _scale = DirectX::XMFLOAT3(1, 1, 1); }
inline void Reset() { ResetScale(); ResetRotation(); ResetPosition(); }
DirectX::XMMATRIX WorldTransformationMatrix() const;
DirectX::XMMATRIX WorldTransformationMatrix_NoScale() const;
DirectX::XMMATRIX RotationMatrix() const;
static DirectX::XMMATRIX NormalMatrix(const DirectX::XMMATRIX& world);
//----------------------------------------------------------------------------------------------------------------
// DATA
//----------------------------------------------------------------------------------------------------------------
DirectX::XMFLOAT3 _position;
Quaternion _rotation;
DirectX::XMFLOAT3 _scale;
};