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Added Ray

This commit is contained in:
Diren D Bharwani 2022-10-12 19:12:34 +08:00
parent 5b4838c5b9
commit 2fa71f0fd9
7 changed files with 177 additions and 5 deletions
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5
SHADE_Engine/src/Math/Geometry/SHBoundingBox.cpp
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@ -201,6 +201,11 @@ namespace SHADE
return true;
}
bool SHBoundingBox::Raycast(const SHVec3& SHRay, float& distance) noexcept
{
return false;
}
bool SHBoundingBox::Contains(const SHBoundingBox& rhs) const noexcept
{
const SHVec3 V = SHVec3::Abs(rhs.center - center);

3
SHADE_Engine/src/Math/Geometry/SHBoundingBox.h
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@ -64,7 +64,8 @@ namespace SHADE
/* Function Members */
/*---------------------------------------------------------------------------------*/
[[nodiscard]] bool TestPoint (const SHVec3& point) noexcept override;
[[nodiscard]] bool TestPoint (const SHVec3& point) noexcept override;
[[nodiscard]] bool Raycast (const SHVec3& SHRay, float& distance) noexcept override;
[[nodiscard]] bool Contains (const SHBoundingBox& rhs) const noexcept;
[[nodiscard]] float Volume () const noexcept;

7
SHADE_Engine/src/Math/Geometry/SHShape.h
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@ -11,8 +11,10 @@
#pragma once
// Project Headers
#include "Math/Transform/SHTransform.h"
#include "SH_API.h"
#include "Math/Transform/SHTransform.h"
#include "Math/SHRay.h"
namespace SHADE
{
@ -69,7 +71,8 @@ namespace SHADE
/* Function Members */
/*---------------------------------------------------------------------------------*/
[[nodiscard]] virtual bool TestPoint (const SHVec3& point) noexcept = 0;
[[nodiscard]] virtual bool TestPoint (const SHVec3& point) noexcept = 0;
[[nodiscard]] virtual bool Raycast (const SHVec3& SHRay, float& distance) noexcept = 0;
protected:
/*---------------------------------------------------------------------------------*/

33
SHADE_Engine/src/Math/SHMatrix.cpp
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@ -334,6 +334,39 @@ namespace SHADE
return ss.str();
}
bool SHMatrix::Decompose(SHVec3& translation, SHVec3& rotation, SHVec3& scale) const noexcept
{
XMVECTOR s, r, t;
const XMMATRIX M = XMLoadFloat4x4(this);
if (!XMMatrixDecompose(&s, &r, &t, M))
return false;
SHQuaternion orientation;
XMStoreFloat3(&scale, s);
XMStoreFloat4(&orientation, r);
XMStoreFloat3(&translation, t);
rotation = orientation.ToEuler();
return true;
}
bool SHMatrix::Decompose(SHVec3& translation, SHQuaternion& orientation, SHVec3& scale) const noexcept
{
XMVECTOR s, r, t;
const XMMATRIX M = XMLoadFloat4x4(this);
if (!XMMatrixDecompose(&s, &r, &t, M))
return false;
XMStoreFloat3(&scale, s);
XMStoreFloat4(&orientation, r);
XMStoreFloat3(&translation, t);
return true;
}
/*-----------------------------------------------------------------------------------*/
/* Static Function Member Definitions */

20
SHADE_Engine/src/Math/SHMatrix.h
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@ -16,7 +16,6 @@
// Project Headers
#include "SH_API.h"
#include "Vector/SHVec4.h"
#include "SH_API.h"
namespace SHADE
{
@ -25,7 +24,6 @@ namespace SHADE
/*-----------------------------------------------------------------------------------*/
class SHVec2;
class SHVec3;
class SHVec4;
class SHQuaternion;
/*-----------------------------------------------------------------------------------*/
@ -109,6 +107,24 @@ namespace SHADE
[[nodiscard]] float Determinant () const noexcept;
[[nodiscard]] std::string ToString () const noexcept;
/**
* @brief Decomposes a transformation matrix into translation, euler angles and scale.
* @param[out] scale The scaling factor of the matrix.
* @param[out] rotation The euler angles of the matrix.
* @param[out] translation The translation of the matrix.
* @return True if decomposition was successful.
*/
bool Decompose (SHVec3& translation, SHVec3& rotation, SHVec3& scale) const noexcept;
/**
* @brief Decomposes a transformation matrix into translation, orientation and scale.
* @param[out] scale The scaling factor of the matrix.
* @param[out] orientation The orientation of the matrix.
* @param[out] translation The translation of the matrix.
* @return True if decomposition was successful.
*/
bool Decompose (SHVec3& translation, SHQuaternion& orientation, SHVec3& scale) const noexcept;
/*---------------------------------------------------------------------------------*/
/* Static Function Members */
/*---------------------------------------------------------------------------------*/

60
SHADE_Engine/src/Math/SHRay.cpp Normal file
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@ -0,0 +1,60 @@
/****************************************************************************************
* \file SHRay.cpp
* \author Diren D Bharwani, diren.dbharwani, 390002520
* \brief Implementation for a Ray.
*
* \copyright Copyright (C) 2022 DigiPen Institute of Technology. Reproduction or
* disclosure of this file or its contents without the prior written consent
* of DigiPen Institute of Technology is prohibited.
****************************************************************************************/
#include <SHpch.h>
// Primary Header
#include "SHRay.h"
using namespace DirectX;
namespace SHADE
{
/*-----------------------------------------------------------------------------------*/
/* Constructors & Destructor Definitions */
/*-----------------------------------------------------------------------------------*/
SHRay::SHRay() noexcept
: direction { 0.0f, 0.0f, 1.0f }
{}
SHRay::SHRay(const SHVec3& pos, const SHVec3& dir) noexcept
: position { pos }
, direction { dir }
{}
/*-----------------------------------------------------------------------------------*/
/* Operator Overload Definitions */
/*-----------------------------------------------------------------------------------*/
bool SHRay::operator==(const SHRay& rhs) noexcept
{
const XMVECTOR LHS_POS = XMLoadFloat3(&position);
const XMVECTOR RHS_POS = XMLoadFloat3(&rhs.position);
const XMVECTOR LHS_DIR = XMLoadFloat3(&direction);
const XMVECTOR RHS_DIR = XMLoadFloat3(&rhs.direction);
return XMVector3Equal(LHS_POS, RHS_POS) && XMVector3NotEqual(LHS_DIR, RHS_DIR);
}
bool SHRay::operator!=(const SHRay& rhs) noexcept
{
const XMVECTOR LHS_POS = XMLoadFloat3(&position);
const XMVECTOR RHS_POS = XMLoadFloat3(&rhs.position);
const XMVECTOR LHS_DIR = XMLoadFloat3(&direction);
const XMVECTOR RHS_DIR = XMLoadFloat3(&rhs.direction);
return XMVector3NotEqual(LHS_POS, RHS_POS) || XMVector3NotEqual(LHS_DIR, RHS_DIR);
}
} // namespace SHADE

54
SHADE_Engine/src/Math/SHRay.h Normal file
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@ -0,0 +1,54 @@
/****************************************************************************************
* \file SHRay.h
* \author Diren D Bharwani, diren.dbharwani, 390002520
* \brief Interface for a Ray.
*
* \copyright Copyright (C) 2022 DigiPen Institute of Technology. Reproduction or
* disclosure of this file or its contents without the prior written consent
* of DigiPen Institute of Technology is prohibited.
****************************************************************************************/
#pragma once
#include <DirectXMath.h>
// Project Headers
#include "SH_API.h"
#include "Vector/SHVec3.h"
namespace SHADE
{
/*-----------------------------------------------------------------------------------*/
/* Type Definitions */
/*-----------------------------------------------------------------------------------*/
struct SH_API SHRay
{
public:
/*---------------------------------------------------------------------------------*/
/* Data Members */
/*---------------------------------------------------------------------------------*/
SHVec3 position;
SHVec3 direction;
/*---------------------------------------------------------------------------------*/
/* Constructors & Destructor */
/*---------------------------------------------------------------------------------*/
SHRay() noexcept;
SHRay(const SHVec3& pos, const SHVec3& dir) noexcept;
SHRay(const SHRay& rhs) noexcept = default;
SHRay(SHRay&& rhs) noexcept = default;
/*---------------------------------------------------------------------------------*/
/* Operator Overloads */
/*---------------------------------------------------------------------------------*/
SHRay& operator= (const SHRay& rhs) noexcept = default;
SHRay& operator= (SHRay&& rhs) noexcept = default;
[[nodiscard]] bool operator==(const SHRay& rhs) noexcept;
[[nodiscard]] bool operator!=(const SHRay& rhs) noexcept;
};
} // namespace SHADE