xiaoqi
/
SHADE_Y3
1
0
Fork 0
Code Issues 12 Pull Requests Packages Projects Releases 9 Wiki Activity

Merge pull request #85 from SHADE-DP/SP3-2-Physics 

SP3-2 Cleaned Up Physics System

NEW

Added Sphere Collider
UPDATES

Reworked Physics System and Cleaned up Interface
Added Support for multiple colliders & collider offsets
This commit is contained in:
XiaoQiDigipen 2022-10-13 18:32:25 +08:00 committed by GitHub
parent 3b60cee764 acd3174c39
commit 28ec02afee
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
23 changed files with 656 additions and 523 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
SHADE_Application/src/Scenes/SBTestScene.cpp
View File

@ -104,8 +104,10 @@ namespace Sandbox
transform.SetWorldRotation(SHMath::GenerateRandomNumber(), SHMath::GenerateRandomNumber(), SHMath::GenerateRandomNumber());
transform.SetWorldScale(TEST_OBJ_SCALE);
auto* box = collider.AddBoundingBox();
box->SetHalfExtents(transform.GetWorldScale() * 0.5f);
if (const bool IS_EVEN = (y * NUM_ROWS + x) % 2; IS_EVEN)
collider.AddBoundingBox(SHVec3::One * 0.5f, SHVec3::Zero);
else
collider.AddBoundingSphere(0.5f, SHVec3::Zero);
stressTestObjects.emplace_back(entity);
}

4
SHADE_Engine/src/Math/Geometry/SHBoundingBox.cpp
View File

@ -95,12 +95,12 @@ namespace SHADE
/* Getter Function Definitions */
/*-----------------------------------------------------------------------------------*/
const SHVec3& SHBoundingBox::GetCenter() const noexcept
SHVec3 SHBoundingBox::GetCenter() const noexcept
{
return Center;
}
const SHVec3& SHBoundingBox::GetHalfExtents() const noexcept
SHVec3 SHBoundingBox::GetHalfExtents() const noexcept
{
return Extents;
}

4
SHADE_Engine/src/Math/Geometry/SHBoundingBox.h
View File

@ -54,8 +54,8 @@ namespace SHADE
/* Getter Functions */
/*---------------------------------------------------------------------------------*/
[[nodiscard]] const SHVec3& GetCenter () const noexcept;
[[nodsicard]] const SHVec3& GetHalfExtents() const noexcept;
[[nodiscard]] SHVec3 GetCenter () const noexcept;
[[nodiscard]] SHVec3 GetHalfExtents() const noexcept;
[[nodiscard]] SHVec3 GetMin () const noexcept;
[[nodiscard]] SHVec3 GetMax () const noexcept;
[[nodiscard]] std::vector<SHVec3> GetVertices () const noexcept;

2
SHADE_Engine/src/Math/Geometry/SHBoundingSphere.cpp
View File

@ -94,7 +94,7 @@ namespace SHADE
/* Getter Function Definitions */
/*-----------------------------------------------------------------------------------*/
const SHVec3& SHBoundingSphere::GetCenter() const noexcept
SHVec3 SHBoundingSphere::GetCenter() const noexcept
{
return Center;
}

4
SHADE_Engine/src/Math/Geometry/SHBoundingSphere.h
View File

@ -48,8 +48,8 @@ namespace SHADE
/* Getter Functions */
/*---------------------------------------------------------------------------------*/
[[nodiscard]] const SHVec3& GetCenter () const noexcept;
[[nodiscard]] float GetRadius () const noexcept;
[[nodiscard]] SHVec3 GetCenter () const noexcept;
[[nodiscard]] float GetRadius () const noexcept;
/*---------------------------------------------------------------------------------*/
/* Setter Functions */

1
SHADE_Engine/src/Math/Geometry/SHShape.h
View File

@ -12,7 +12,6 @@
// Project Headers
#include "SH_API.h"
#include "Math/Transform/SHTransform.h"
#include "Math/SHRay.h"

23
SHADE_Engine/src/Math/SHQuaternion.cpp
View File

@ -67,6 +67,19 @@ namespace SHADE
XMStoreFloat4(this, XMQuaternionRotationMatrix(M));
}
SHQuaternion::SHQuaternion(const reactphysics3d::Vector3& rp3dEuler) noexcept
: XMFLOAT4( 0.0f, 0.0f, 0.0f, 1.0f )
{
const SHVec3& SHADE_VEC{ rp3dEuler };
const XMVECTOR V = XMLoadFloat3(&SHADE_VEC);
XMStoreFloat4(this, XMQuaternionRotationRollPitchYawFromVector(V));
}
SHQuaternion::SHQuaternion(const reactphysics3d::Quaternion& rp3dQuat) noexcept
: XMFLOAT4( rp3dQuat.x, rp3dQuat.y, rp3dQuat.z, rp3dQuat.w )
{}
/*-----------------------------------------------------------------------------------*/
/* Operator Overload Definitions */
/*-----------------------------------------------------------------------------------*/
@ -176,6 +189,16 @@ namespace SHADE
return XMQuaternionNotEqual(Q1, Q2);
}
SHQuaternion::operator reactphysics3d::Quaternion() const noexcept
{
return reactphysics3d::Quaternion{ x, y, z, w };
}
SHQuaternion::operator reactphysics3d::Vector3() const noexcept
{
return reactphysics3d::Vector3{ ToEuler() };
}
SHQuaternion operator*(float lhs, const SHQuaternion& rhs) noexcept
{
return rhs * lhs;

24
SHADE_Engine/src/Math/SHQuaternion.h
View File

@ -11,6 +11,8 @@
#pragma once
#include <DirectXMath.h>
#include <reactphysics3d/mathematics/Quaternion.h>
#include <string>
// Project Headers
@ -46,12 +48,17 @@ namespace SHADE
SHQuaternion (const SHQuaternion& rhs) = default;
SHQuaternion (SHQuaternion&& rhs) = default;
SHQuaternion () noexcept;
SHQuaternion (float x, float y, float z, float w) noexcept;
SHQuaternion (float yaw, float pitch, float roll) noexcept;
SHQuaternion (const SHVec3& eulerAngles) noexcept;
SHQuaternion (const SHVec3& axis, float angleInRad) noexcept;
SHQuaternion (const SHMatrix& rotationMatrix) noexcept;
SHQuaternion () noexcept;
SHQuaternion (float x, float y, float z, float w) noexcept;
SHQuaternion (float yaw, float pitch, float roll) noexcept;
SHQuaternion (const SHVec3& eulerAngles) noexcept;
SHQuaternion (const SHVec3& axis, float angleInRad) noexcept;
SHQuaternion (const SHMatrix& rotationMatrix) noexcept;
// Conversion from other math types
SHQuaternion (const reactphysics3d::Vector3& rp3dEuler) noexcept;
SHQuaternion (const reactphysics3d::Quaternion& rp3dQuat) noexcept;
/*---------------------------------------------------------------------------------*/
/* Operator Overloads */
@ -76,6 +83,11 @@ namespace SHADE
[[nodiscard]] bool operator== (const SHQuaternion& rhs) const noexcept;
[[nodiscard]] bool operator!= (const SHQuaternion& rhs) const noexcept;
// Conversion to other math types used by SHADE
operator reactphysics3d::Quaternion () const noexcept;
operator reactphysics3d::Vector3 () const noexcept;
/*---------------------------------------------------------------------------------*/
/* Getter Functions */
/*---------------------------------------------------------------------------------*/

9
SHADE_Engine/src/Math/Vector/SHVec2.cpp
View File

@ -50,6 +50,10 @@ namespace SHADE
: XMFLOAT2( _x, _y )
{}
SHVec2::SHVec2(const reactphysics3d::Vector2& rp3dVec2) noexcept
: XMFLOAT2( rp3dVec2.x, rp3dVec2.y )
{}
/*-----------------------------------------------------------------------------------*/
/* Operator Overload Definitions */
/*-----------------------------------------------------------------------------------*/
@ -200,6 +204,11 @@ namespace SHADE
}
}
SHVec2::operator reactphysics3d::Vector2() const noexcept
{
return reactphysics3d::Vector2{ x, y };
}
SHVec2 operator* (float lhs, const SHVec2& rhs) noexcept
{
SHVec2 result;

10
SHADE_Engine/src/Math/Vector/SHVec2.h
View File

@ -11,6 +11,8 @@
#pragma once
#include <DirectXMath.h>
#include <reactphysics3d/mathematics/Vector2.h>
#include <string>
#include <initializer_list>
@ -57,6 +59,10 @@ namespace SHADE
SHVec2 (float n) noexcept;
SHVec2 (float x, float y) noexcept;
// Conversion from other math types to SHADE
SHVec2 (const reactphysics3d::Vector2& rp3dVec2) noexcept;
/*---------------------------------------------------------------------------------*/
/* Operator Overloads */
/*---------------------------------------------------------------------------------*/
@ -64,7 +70,10 @@ namespace SHADE
SHVec2& operator= (const SHVec2& rhs) = default;
SHVec2& operator= (SHVec2&& rhs) = default;
// Conversion to other math types used by SHADE
operator DirectX::XMVECTOR () const noexcept;
operator reactphysics3d::Vector2 () const noexcept;
SHVec2& operator+= (const SHVec2& rhs) noexcept;
SHVec2& operator-= (const SHVec2& rhs) noexcept;
@ -89,6 +98,7 @@ namespace SHADE
[[nodiscard]] float operator[] (int index) const;
[[nodiscard]] float operator[] (size_t index) const;
/*---------------------------------------------------------------------------------*/
/* Function Members */
/*---------------------------------------------------------------------------------*/

19
SHADE_Engine/src/Math/Vector/SHVec3.cpp
View File

@ -14,6 +14,7 @@
#include "SHVec3.h"
// Project Headers
#include "Math/SHMatrix.h"
#include "Math/SHQuaternion.h"
#include "Tools/SHLogger.h"
using namespace DirectX;
@ -56,6 +57,14 @@ namespace SHADE
: XMFLOAT3( _x, _y, _z )
{}
SHVec3::SHVec3(const reactphysics3d::Vector3& rp3dVec3) noexcept
: XMFLOAT3( rp3dVec3.x, rp3dVec3.y, rp3dVec3.z )
{}
SHVec3::SHVec3(const reactphysics3d::Quaternion& rp3dVec3) noexcept
: XMFLOAT3( SHQuaternion{rp3dVec3}.ToEuler() )
{}
/*-----------------------------------------------------------------------------------*/
/* Operator Overload Definitions */
/*-----------------------------------------------------------------------------------*/
@ -212,6 +221,16 @@ namespace SHADE
}
}
SHVec3::operator reactphysics3d::Vector3() const noexcept
{
return reactphysics3d::Vector3{ x, y , z };
}
SHVec3::operator reactphysics3d::Quaternion() const noexcept
{
return reactphysics3d::Quaternion::fromEulerAngles(x, y, z);
}
SHVec3 operator* (float lhs, const SHVec3& rhs) noexcept
{
SHVec3 result;

55
SHADE_Engine/src/Math/Vector/SHVec3.h
View File

@ -11,6 +11,9 @@
#pragma once
#include <DirectXMath.h>
#include <reactphysics3d/mathematics/Vector3.h>
#include <reactphysics3d/mathematics/Quaternion.h>
#include <string>
#include <initializer_list>
@ -62,38 +65,46 @@ namespace SHADE
SHVec3 (float n) noexcept;
SHVec3 (float x, float y, float z) noexcept;
// Conversion from other math types to SHADE
SHVec3 (const reactphysics3d::Vector3& rp3dVec3) noexcept;
SHVec3 (const reactphysics3d::Quaternion& rp3dVec3) noexcept;
/*---------------------------------------------------------------------------------*/
/* Operator Overloads */
/*---------------------------------------------------------------------------------*/
SHVec3& operator= (const SHVec3& rhs) = default;
SHVec3& operator= (SHVec3&& rhs) = default;
SHVec3& operator= (const SHVec3& rhs) = default;
SHVec3& operator= (SHVec3&& rhs) = default;
operator DirectX::XMVECTOR () const noexcept;
// Conversion to other math types used by SHADE
SHVec3& operator+= (const SHVec3& rhs) noexcept;
SHVec3& operator-= (const SHVec3& rhs) noexcept;
SHVec3& operator*= (const SHVec3& rhs) noexcept;
SHVec3& operator*= (float rhs) noexcept;
SHVec3& operator/= (const SHVec3& rhs) noexcept;
SHVec3& operator/= (float rhs) noexcept;
operator reactphysics3d::Vector3 () const noexcept;
operator reactphysics3d::Quaternion () const noexcept;
operator DirectX::XMVECTOR () const noexcept;
[[nodiscard]] SHVec3 operator+ (const SHVec3& rhs) const noexcept;
[[nodiscard]] SHVec3 operator- (const SHVec3& rhs) const noexcept;
[[nodiscard]] SHVec3 operator- () const noexcept;
[[nodiscard]] SHVec3 operator* (const SHVec3& rhs) const noexcept;
[[nodiscard]] SHVec3 operator* (float rhs) const noexcept;
[[nodiscard]] SHVec3 operator/ (const SHVec3& rhs) const noexcept;
[[nodiscard]] SHVec3 operator/ (float rhs) const noexcept;
SHVec3& operator+= (const SHVec3& rhs) noexcept;
SHVec3& operator-= (const SHVec3& rhs) noexcept;
SHVec3& operator*= (const SHVec3& rhs) noexcept;
SHVec3& operator*= (float rhs) noexcept;
SHVec3& operator/= (const SHVec3& rhs) noexcept;
SHVec3& operator/= (float rhs) noexcept;
[[nodiscard]] bool operator== (const SHVec3& rhs) const noexcept;
[[nodiscard]] bool operator!= (const SHVec3& rhs) const noexcept;
[[nodiscard]] SHVec3 operator+ (const SHVec3& rhs) const noexcept;
[[nodiscard]] SHVec3 operator- (const SHVec3& rhs) const noexcept;
[[nodiscard]] SHVec3 operator- () const noexcept;
[[nodiscard]] SHVec3 operator* (const SHVec3& rhs) const noexcept;
[[nodiscard]] SHVec3 operator* (float rhs) const noexcept;
[[nodiscard]] SHVec3 operator/ (const SHVec3& rhs) const noexcept;
[[nodiscard]] SHVec3 operator/ (float rhs) const noexcept;
[[nodiscard]] float& operator[] (int index);
[[nodiscard]] float& operator[] (size_t index);
[[nodiscard]] float operator[] (int index) const;
[[nodiscard]] float operator[] (size_t index) const;
[[nodiscard]] bool operator== (const SHVec3& rhs) const noexcept;
[[nodiscard]] bool operator!= (const SHVec3& rhs) const noexcept;
[[nodiscard]] float& operator[] (int index);
[[nodiscard]] float& operator[] (size_t index);
[[nodiscard]] float operator[] (int index) const;
[[nodiscard]] float operator[] (size_t index) const;
/*---------------------------------------------------------------------------------*/
/* Function Members */

51
SHADE_Engine/src/Physics/Components/SHColliderComponent.cpp
View File

@ -15,6 +15,7 @@
// Project Headers
#include "ECS_Base/Managers/SHSystemManager.h"
#include "Math/SHMathHelpers.h"
#include "Physics/SHPhysicsSystem.h"
namespace SHADE
@ -24,7 +25,8 @@ namespace SHADE
/*-----------------------------------------------------------------------------------*/
SHColliderComponent::SHColliderComponent() noexcept
: system { nullptr }
: system { nullptr }
, colliders {}
{}
/*-----------------------------------------------------------------------------------*/
@ -87,12 +89,17 @@ namespace SHADE
system->RemoveCollider(GetEID());
}
SHBoundingBox* SHColliderComponent::AddBoundingBox() noexcept
SHBoundingBox* SHColliderComponent::AddBoundingBox(const SHVec3& halfExtents, const SHVec3& posOffset) noexcept
{
const auto TYPE = SHCollider::Type::BOX;
const auto BOX_PAIR = std::make_pair(SHCollider{TYPE}, true);
auto& collider = colliders.emplace_back(BOX_PAIR).first;
auto boxPair = std::make_pair(SHCollider{TYPE}, true);
auto& collider = colliders.emplace_back(boxPair).first;
const auto* tf = SHComponentManager::GetComponent<SHTransformComponent>(GetEID());
collider.SetPositionOffset(posOffset);
collider.SetAsBoundingBox(tf->GetWorldScale() * halfExtents);
if (!system)
{
@ -101,23 +108,37 @@ namespace SHADE
}
// Notify Physics System
system->AddCollisionShape(GetEID(), collider.GetShape());
system->AddCollisionShape(GetEID(), &collider);
return reinterpret_cast<SHBoundingBox*>(collider.GetShape());
}
//void SHColliderComponent::AddSphere() noexcept
//{
// const auto TYPE = SHCollider::Type::SPHERE;
SHBoundingSphere* SHColliderComponent::AddBoundingSphere(float radius, const SHVec3& posOffset) noexcept
{
const auto TYPE = SHCollider::Type::SPHERE;
// if (!system)
// {
// SHLOG_ERROR("Physics system does not exist, unable to add Sphere Collider!")
// return;
// }
auto spherePair = std::make_pair(SHCollider{ TYPE }, true);
auto& collider = colliders.emplace_back(spherePair).first;
// // Notify Physics System
//}
const auto* tf = SHComponentManager::GetComponent<SHTransformComponent>(GetEID());
collider.SetPositionOffset(posOffset);
const SHVec3 TF_WORLD_SCALE = tf->GetWorldScale();
const float MAX_SCALE = SHMath::Max({ TF_WORLD_SCALE.x, TF_WORLD_SCALE.y, TF_WORLD_SCALE.z });
collider.SetAsBoundingSphere(MAX_SCALE * 0.5f);
if (!system)
{
SHLOG_ERROR("Physics system does not exist, unable to add Sphere Collider!")
return nullptr;
}
// Notify Physics System
system->AddCollisionShape(GetEID(), &collider);
return reinterpret_cast<SHBoundingSphere*>(collider.GetShape());
}
void SHColliderComponent::RemoveCollider(int index)
{

13
SHADE_Engine/src/Physics/Components/SHColliderComponent.h
View File

@ -15,6 +15,13 @@
// Project Headers
#include "ECS_Base/Components/SHComponent.h"
#include "Physics/SHCollider.h"
#include "Math/Geometry/SHBoundingBox.h"
#include "Math/Geometry/SHBoundingSphere.h"
//namespace SHADE
//{
// class SHPhysicsSystem;
//}
namespace SHADE
{
@ -30,6 +37,7 @@ namespace SHADE
/*---------------------------------------------------------------------------------*/
friend class SHPhysicsSystem;
friend class SHPhysicsObject;
/*---------------------------------------------------------------------------------*/
/* Type Definitions */
@ -76,10 +84,11 @@ namespace SHADE
void OnCreate () override;
void OnDestroy () override;
SHBoundingBox* AddBoundingBox () noexcept;
void RemoveCollider (int index);
SHBoundingBox* AddBoundingBox (const SHVec3& halfExtents = SHVec3::One, const SHVec3& posOffset = SHVec3::Zero) noexcept;
SHBoundingSphere* AddBoundingSphere (float radius = 1.0f, const SHVec3& posOffset = SHVec3::Zero) noexcept;
private:
/*---------------------------------------------------------------------------------*/

6
SHADE_Engine/src/Physics/Components/SHRigidBodyComponent.cpp
View File

@ -392,9 +392,9 @@ RTTR_REGISTRATION
registration::enumeration<SHRigidBodyComponent::Type>("RigidBody Type")
(
value("Static", SHRigidBodyComponent::Type::STATIC),
value("Dynamic", SHRigidBodyComponent::Type::DYNAMIC),
value("Kinematic", SHRigidBodyComponent::Type::KINEMATIC)
value("Static", SHRigidBodyComponent::Type::STATIC),
value("Kinematic", SHRigidBodyComponent::Type::KINEMATIC),
value("Dynamic", SHRigidBodyComponent::Type::DYNAMIC)
);
registration::class_<SHRigidBodyComponent>("RigidBody Component")

16
SHADE_Engine/src/Physics/Components/SHRigidBodyComponent.h
View File

@ -14,7 +14,13 @@
// Project Headers
#include "ECS_Base/Components/SHComponent.h"
#include "Physics/SHPhysicsObject.h"
#include "Math/Vector/SHVec3.h"
#include "Math/SHQuaternion.h"
//namespace SHADE
//{
// class SHPhysicsSystem;
//}
namespace SHADE
{
@ -30,6 +36,7 @@ namespace SHADE
/*---------------------------------------------------------------------------------*/
friend class SHPhysicsSystem;
friend class SHPhysicsObject;
public:
/*---------------------------------------------------------------------------------*/
@ -137,6 +144,9 @@ namespace SHADE
/* Data Members */
/*---------------------------------------------------------------------------------*/
static constexpr size_t NUM_FLAGS = 8;
static constexpr size_t NUM_DIRTY_FLAGS = 16;
Type type;
// rX rY rZ pX pY pZ slp g
@ -162,10 +172,6 @@ namespace SHADE
SHVec3 position;
SHQuaternion orientation;
/*---------------------------------------------------------------------------------*/
/* Function Members */
/*---------------------------------------------------------------------------------*/
RTTR_ENABLE()
};
} // namespace SHADE

154
SHADE_Engine/src/Physics/SHCollider.cpp
View File

@ -12,6 +12,9 @@
// Primary Header
#include "SHCollider.h"
// Project Headers
#include "Math/Geometry/SHBoundingBox.h"
#include "Math/Geometry/SHBoundingSphere.h"
namespace SHADE
{
@ -25,34 +28,41 @@ namespace SHADE
, dirty { true }
, shape { nullptr }
{
CreateShape();
switch (type)
{
case Type::BOX:
{
SetAsBoundingBox(SHVec3::One);
break;
}
case Type::SPHERE:
{
SetAsBoundingSphere(1.0f);
break;
}
default: break;
}
}
SHCollider::SHCollider(const SHCollider& rhs) noexcept
: type { rhs.type}
, isTrigger { rhs.isTrigger }
, dirty { true }
, shape { nullptr }
{
CreateShape();
// TODO(Diren): Copy transform data over
}
: type { rhs.type}
, isTrigger { rhs.isTrigger }
, dirty { true }
, shape { rhs.shape }
, positionOffset { rhs.positionOffset }
{}
SHCollider::SHCollider(SHCollider&& rhs) noexcept
: type { rhs.type}
, isTrigger { rhs.isTrigger }
, dirty { true }
, shape { nullptr }
{
CreateShape();
// TODO(Diren): Copy transform data over
}
: type { rhs.type}
, isTrigger { rhs.isTrigger }
, dirty { true }
, shape { rhs.shape }
, positionOffset { rhs.positionOffset }
{}
SHCollider::~SHCollider() noexcept
{
delete shape;
shape = nullptr;
}
/*-----------------------------------------------------------------------------------*/
@ -61,26 +71,25 @@ namespace SHADE
SHCollider& SHCollider::operator=(const SHCollider& rhs) noexcept
{
type = rhs.type;
isTrigger = rhs.isTrigger;
dirty = true;
CreateShape();
// TODO(Diren): Copy transform data over
if (this == &rhs)
return *this;
type = rhs.type;
isTrigger = rhs.isTrigger;
dirty = true;
shape = rhs.shape;
positionOffset = rhs.positionOffset;
return *this;
}
SHCollider& SHCollider::operator=(SHCollider&& rhs) noexcept
{
type = rhs.type;
isTrigger = rhs.isTrigger;
dirty = true;
CreateShape();
// TODO(Diren): Copy transform data over
type = rhs.type;
isTrigger = rhs.isTrigger;
dirty = true;
shape = rhs.shape;
positionOffset = rhs.positionOffset;
return *this;
}
@ -104,11 +113,6 @@ namespace SHADE
return type;
}
SHShape* SHCollider::GetShape() const noexcept
{
return shape;
}
float SHCollider::GetFriction() const noexcept
{
// TODO(Diren): Fix after implementing materials
@ -126,36 +130,37 @@ namespace SHADE
return 0.0f;
}
SHVec3 SHCollider::GetPosition() const noexcept
{
// TODO(Diren): Fix after linking transform data
return SHVec3::Zero;
}
const SHVec3& SHCollider::GetPositionOffset() const noexcept
{
return positionOffset;
}
SHQuaternion SHCollider::GetOrientation() const noexcept
SHShape* SHCollider::GetShape() noexcept
{
// TODO(Diren): Fix after linking transform data
return SHQuaternion::Identity;
dirty = true;
return shape;
}
/*-----------------------------------------------------------------------------------*/
/* Setter Function Definitions */
/*-----------------------------------------------------------------------------------*/
void SHCollider::SetType(Type newType) noexcept
void SHCollider::SetAsBoundingBox(const SHVec3& halfExtents)
{
if (type == newType)
return;
dirty = true;
type = Type::BOX;
type = newType;
CreateShape();
delete shape;
shape = new SHBoundingBox{ positionOffset, halfExtents };
}
void SHCollider::SetAsBoundingSphere(float radius)
{
dirty = true;
type = Type::SPHERE;
delete shape;
shape = new SHBoundingSphere{ positionOffset, radius };
}
void SHCollider::SetIsTrigger(bool trigger) noexcept
@ -184,32 +189,21 @@ namespace SHADE
dirty = true;
positionOffset = posOffset;
}
} // namespace SHADE
/*-----------------------------------------------------------------------------------*/
/* Private Member Function Definitions */
/*-----------------------------------------------------------------------------------*/
RTTR_REGISTRATION
{
using namespace SHADE;
using namespace rttr;
void SHCollider::CreateShape()
{
// Remove current shape
delete shape;
registration::enumeration<SHCollider::Type>("Collider Type")
(
value("Box", SHCollider::Type::BOX),
value("Sphere", SHCollider::Type::SPHERE)
// TODO(Diren): Add More Shapes
);
switch (type)
{
case Type::BOX: CreateBoundingBox(); break;
case Type::SPHERE: CreateSphere(); break;
default: break;
}
}
void SHCollider::CreateBoundingBox()
{
shape = new SHBoundingBox{ SHVec3::Zero, SHVec3::One };
}
void SHCollider::CreateSphere()
{
}
} // namespace SHADE
registration::class_<SHCollider>("Collider")
.property("Position Offset", &SHCollider::GetPositionOffset, &SHCollider::SetPositionOffset);
// TODO(Diren): Add Physics Materials
}

34
SHADE_Engine/src/Physics/SHCollider.h
View File

@ -10,8 +10,10 @@
#pragma once
#include <rttr/registration>
// Project Headers
#include "Math/Geometry/SHBoundingBox.h"
#include "Math/Geometry/SHShape.h"
#include "Math/SHQuaternion.h"
namespace SHADE
@ -32,15 +34,13 @@ namespace SHADE
BOX
, SPHERE
, CAPSULE
, CONVEX_HULL
, CONVEX_MESH
};
/*---------------------------------------------------------------------------------*/
/* Constructors & Destructor */
/*---------------------------------------------------------------------------------*/
SHCollider (Type colliderType);
SHCollider (Type colliderType = Type::BOX);
SHCollider (const SHCollider& rhs) noexcept;
SHCollider (SHCollider&& rhs) noexcept;
@ -62,28 +62,28 @@ namespace SHADE
[[nodiscard]] bool IsTrigger () const noexcept;
[[nodiscard]] Type GetType () const noexcept;
[[nodiscard]] SHShape* GetShape () const noexcept;
[[nodiscard]] float GetFriction () const noexcept;
[[nodiscard]] float GetBounciness () const noexcept;
[[nodiscard]] float GetDensity () const noexcept;
[[nodiscard]] SHVec3 GetPosition () const noexcept;
[[nodiscard]] const SHVec3& GetPositionOffset () const noexcept;
[[nodiscard]] SHQuaternion GetOrientation () const noexcept;
[[nodiscard]] SHShape* GetShape () noexcept;
/*---------------------------------------------------------------------------------*/
/* Setter Functions */
/*---------------------------------------------------------------------------------*/
void SetType (Type newType) noexcept;
void SetAsBoundingBox (const SHVec3& halfExtents);
void SetAsBoundingSphere (float radius);
void SetIsTrigger (bool isTrigger) noexcept;
void SetFriction (float friction) noexcept;
void SetBounciness (float bounciness) noexcept;
void SetDensity (float density) noexcept;
void SetIsTrigger (bool isTrigger) noexcept;
void SetFriction (float friction) noexcept;
void SetBounciness (float bounciness) noexcept;
void SetDensity (float density) noexcept;
void SetPositionOffset (const SHVec3& positionOffset) noexcept;
void SetPositionOffset (const SHVec3& positionOffset) noexcept;
private:
/*---------------------------------------------------------------------------------*/
@ -96,13 +96,7 @@ namespace SHADE
SHShape* shape;
SHVec3 positionOffset;
/*---------------------------------------------------------------------------------*/
/* Function Members */
/*---------------------------------------------------------------------------------*/
void CreateShape ();
void CreateBoundingBox ();
void CreateSphere ();
RTTR_ENABLE()
};
} // namespace SHADE

287
SHADE_Engine/src/Physics/SHPhysicsObject.cpp
View File

@ -15,7 +15,8 @@
// Project Headers
#include "ECS_Base/Managers/SHSystemManager.h"
#include "SHPhysicsSystem.h"
#include "ECS_Base/Managers/SHComponentManager.h"
namespace SHADE
{
@ -23,16 +24,20 @@ namespace SHADE
/* Constructors & Destructor Definitions */
/*-----------------------------------------------------------------------------------*/
SHPhysicsObject::SHPhysicsObject() noexcept
: entityID { MAX_EID }
SHPhysicsObject::SHPhysicsObject(EntityID eid, rp3d::PhysicsCommon* physicsFactory, rp3d::PhysicsWorld* physicsWorld) noexcept
: entityID { eid }
, isRigidBody { false }
, hasColliders{ false }
, factory { physicsFactory }
, world { physicsWorld }
, rp3dBody { nullptr }
{}
SHPhysicsObject::~SHPhysicsObject() noexcept
{
rp3dBody = nullptr;
factory = nullptr;
world = nullptr;
rp3dBody = nullptr;
}
/*-----------------------------------------------------------------------------------*/
@ -44,10 +49,7 @@ namespace SHADE
SHVec3 result;
if (rp3dBody)
{
const auto& RP3D_RESULT = rp3dBody->getTransform().getPosition();
result = SHVec3{ RP3D_RESULT.x, RP3D_RESULT.y, RP3D_RESULT.z };
}
result = SHVec3{ rp3dBody->getTransform().getPosition() };
return result;
}
@ -57,10 +59,7 @@ namespace SHADE
SHQuaternion result;
if (rp3dBody)
{
const auto& RP3D_RESULT = rp3dBody->getTransform().getOrientation();
result = SHQuaternion{ RP3D_RESULT.x, RP3D_RESULT.y, RP3D_RESULT.z, RP3D_RESULT.w };
}
result = SHQuaternion{ rp3dBody->getTransform().getOrientation() };
return result;
}
@ -70,10 +69,7 @@ namespace SHADE
SHVec3 result;
if (rp3dBody)
{
const auto& RP3D_RESULT = rp3dBody->getTransform().getOrientation();
result = SHQuaternion{ RP3D_RESULT.x, RP3D_RESULT.y, RP3D_RESULT.z, RP3D_RESULT.w }.ToEuler();
}
result = SHQuaternion{ rp3dBody->getTransform().getOrientation() }.ToEuler();
return result;
}
@ -84,10 +80,14 @@ namespace SHADE
void SHPhysicsObject::SetPosition(const SHVec3& position) noexcept
{
const rp3d::Vector3 RP3D_POS { position.x, position.y, position.z };
if (!rp3dBody)
{
SHLOG_ERROR("Cannot set position of a non-existent physics body for Entity {}", entityID)
return;
}
rp3d::Transform rp3dTF;
rp3dTF.setPosition(RP3D_POS);
rp3dTF.setPosition(position);
rp3dTF.setOrientation(rp3dBody->getTransform().getOrientation());
rp3dBody->setTransform(rp3dTF);
@ -96,11 +96,15 @@ namespace SHADE
void SHPhysicsObject::SetOrientation(const SHQuaternion& orientation) noexcept
{
const rp3d::Quaternion RP3D_ORIENTATION { orientation.x, orientation.y, orientation.z, orientation.w };
if (!rp3dBody)
{
SHLOG_ERROR("Cannot set orientation of a non-existent physics body for Entity {}", entityID)
return;
}
rp3d::Transform rp3dTF;
rp3dTF.setPosition(rp3dBody->getTransform().getPosition());
rp3dTF.setOrientation(RP3D_ORIENTATION);
rp3dTF.setOrientation(orientation);
rp3dBody->setTransform(rp3dTF);
prevTransform = rp3dTF;
@ -108,14 +112,253 @@ namespace SHADE
void SHPhysicsObject::SetRotation(const SHVec3& rotation) noexcept
{
const rp3d::Quaternion RP3D_ORIENTATION = rp3d::Quaternion::fromEulerAngles( rotation.x, rotation.y, rotation.z );
if (!rp3dBody)
{
SHLOG_ERROR("Cannot set rotation of a non-existent physics body for Entity {}", entityID)
return;
}
rp3d::Transform rp3dTF;
rp3dTF.setPosition(rp3dBody->getTransform().getPosition());
rp3dTF.setOrientation(RP3D_ORIENTATION);
rp3dTF.setOrientation(rotation);
rp3dBody->setTransform(rp3dTF);
prevTransform = rp3dTF;
}
/*-----------------------------------------------------------------------------------*/
/* Public Function Member Definitions */
/*-----------------------------------------------------------------------------------*/
void SHPhysicsObject::CreateRigidBody(const SHTransformComponent* tf, SHRigidBodyComponent* rb, SHColliderComponent* c)
{
// If collider already exists, recreate the collision body as a rigid body
if (hasColliders)
world->destroyCollisionBody(rp3dBody);
rp3dBody = world->createRigidBody(rp3d::Transform{ tf->GetWorldPosition(), tf->GetWorldRotation() });
isRigidBody = true;
rb->position = tf->GetWorldPosition();
rb->orientation = tf->GetWorldRotation();
if (hasColliders)
{
c->position = tf->GetWorldPosition();
c->orientation = tf->GetWorldRotation();
// Get array of colliders and add them back into the rigidbody
for (auto& collider : c->colliders | std::views::keys)
AddCollider(&collider);
}
}
void SHPhysicsObject::CreateCollisionBody(const SHTransformComponent* tf, SHColliderComponent* c)
{
if (rp3dBody == nullptr)
rp3dBody = world->createCollisionBody(rp3d::Transform{ tf->GetWorldPosition(), tf->GetWorldRotation() });
hasColliders = true;
c->position = tf->GetWorldPosition();
c->orientation = tf->GetWorldRotation();
for (auto& collider : c->colliders | std::views::keys)
AddCollider(&collider);
}
int SHPhysicsObject::AddCollider(SHCollider* collider)
{
switch (collider->GetType())
{
case SHCollider::Type::BOX:
{
const auto* box = reinterpret_cast<SHBoundingBox*>(collider->GetShape());
rp3d::BoxShape* newBox = factory->createBoxShape(box->GetHalfExtents());
rp3dBody->addCollider(newBox, rp3d::Transform{ collider->GetPositionOffset(), SHQuaternion::Identity });
break;
}
case SHCollider::Type::SPHERE:
{
const auto* sphere = reinterpret_cast<SHBoundingSphere*>(collider->GetShape());
rp3d::SphereShape* newSphere = factory->createSphereShape(sphere->GetRadius());
rp3dBody->addCollider(newSphere, rp3d::Transform{ collider->GetPositionOffset(), SHQuaternion::Identity });
break;
}
// TODO(Diren): Add more collider shapes
default: break;
}
return static_cast<int>(rp3dBody->getNbColliders()) - 1;
}
void SHPhysicsObject::DestroyRigidBody(SHColliderComponent* c) noexcept
{
world->destroyRigidBody(reinterpret_cast<rp3d::RigidBody*>(rp3dBody));
if (hasColliders)
{
// Preserve colliders as a collision body
rp3dBody = world->createCollisionBody(rp3d::Transform{ c->position, c->orientation });
for (auto& collider : c->colliders | std::views::keys)
AddCollider(&collider);
}
isRigidBody = false;
}
void SHPhysicsObject::DestroyCollisionBody() noexcept
{
// Remove all colliders
for (uint32_t i = 0; i < rp3dBody->getNbColliders(); ++i)
{
auto* collider = rp3dBody->getCollider(i);
rp3dBody->removeCollider(collider);
}
}
void SHPhysicsObject::RemoveCollider(int index)
{
const int NUM_COLLIDERS = static_cast<int>(rp3dBody->getNbColliders());
if (NUM_COLLIDERS == 0)
return;
if (index < 0 || index >= NUM_COLLIDERS)
throw std::invalid_argument("Index out of range!");
auto* collider = rp3dBody->getCollider(index);
rp3dBody->removeCollider(collider);
}
void SHPhysicsObject::SyncRigidBody(SHRigidBodyComponent* rb) const noexcept
{
SHASSERT(rp3dBody != nullptr, "ReactPhysics body does not exist!")
if (rb->dirtyFlags == 0)
return;
auto* rigidBody = reinterpret_cast<rp3d::RigidBody*>(rp3dBody);
const uint16_t RB_FLAGS = rb->dirtyFlags;
for (size_t i = 0; i < SHRigidBodyComponent::NUM_DIRTY_FLAGS; ++i)
{
// Check if current dirty flag has been set to true
if (RB_FLAGS & 1U << i)
{
switch (i)
{
case 0: // Gravity
{
rigidBody->enableGravity(rb->IsGravityEnabled());
break;
}
case 1: // Sleeping
{
rigidBody->setIsAllowedToSleep(rb->IsAllowedToSleep());
break;
}
case 2: // Linear Constraints
{
const rp3d::Vector3 CONSTRAINTS
{
rb->flags & 1U << 2 ? 0.0f : 1.0f,
rb->flags & 1U << 3 ? 0.0f : 1.0f,
rb->flags & 1U << 4 ? 0.0f : 1.0f
};
rigidBody->setLinearLockAxisFactor(CONSTRAINTS);
break;
}
case 3: // Angular Constraints
{
const rp3d::Vector3 CONSTRAINTS
{
rb->flags & 1U << 5 ? 0.0f : 1.0f,
rb->flags & 1U << 6 ? 0.0f : 1.0f,
rb->flags & 1U << 7 ? 0.0f : 1.0f
};
rigidBody->setAngularLockAxisFactor(CONSTRAINTS);
break;
}
case 4: // Type
{
rigidBody->setType(static_cast<rp3d::BodyType>(rb->GetType()));
break;
}
case 5: // Mass
{
rigidBody->setMass(rb->GetMass());
break;
}
case 6: // Drag
{
rigidBody->setLinearDamping(rb->GetDrag());
break;
}
case 7: // Angular Drag
{
rigidBody->setAngularDamping(rb->GetAngularDrag());
break;
}
case 8: // Linear Velocity
{
rigidBody->setLinearVelocity(rb->GetLinearVelocity());
break;
}
case 9: // Angular Velocity
{
rigidBody->setAngularVelocity(rb->GetAngularVelocity());
break;
}
default: break;
}
}
}
rb->dirtyFlags = 0;
}
void SHPhysicsObject::SyncColliders(SHColliderComponent* c) const noexcept
{
int index = 0;
for (auto& [collider, dirty] : c->colliders)
{
if (!dirty)
continue;
// Update offsets
auto* rp3dCollider = rp3dBody->getCollider(index);
rp3dCollider->setLocalToBodyTransform(rp3d::Transform(collider.GetPositionOffset(), SHQuaternion::Identity));
switch (collider.GetType())
{
case SHCollider::Type::BOX:
{
const auto* box = reinterpret_cast<SHBoundingBox*>(collider.GetShape());
auto* rp3dBoxShape = reinterpret_cast<rp3d::BoxShape*>(rp3dCollider->getCollisionShape());
rp3dBoxShape->setHalfExtents(box->GetHalfExtents());
break;
}
case SHCollider::Type::SPHERE:
{
const auto* sphere = reinterpret_cast<SHBoundingSphere*>(collider.GetShape());
auto* rp3dSphereShape = reinterpret_cast<rp3d::SphereShape*>(rp3dCollider->getCollisionShape());
rp3dSphereShape->setRadius(sphere->GetRadius());
break;
}
default: break;
}
dirty = false;
++index;
}
}
} // namespace SHADE

40
SHADE_Engine/src/Physics/SHPhysicsObject.h
View File

@ -13,9 +13,9 @@
#include <reactphysics3d/reactphysics3d.h>
// Project Headers
#include "Math/Vector/SHVec3.h"
#include "Math/SHQuaternion.h"
#include "ECS_Base/Entity/SHEntity.h"
#include "Math/Transform/SHTransformComponent.h"
#include "Components/SHRigidBodyComponent.h"
#include "Components/SHColliderComponent.h"
namespace SHADE
{
@ -31,15 +31,13 @@ namespace SHADE
/*---------------------------------------------------------------------------------*/
friend class SHPhysicsSystem;
friend class SHRigidBodyComponent;
friend class SHColliderComponent;
public:
/*---------------------------------------------------------------------------------*/
/* Constructors & Destructor */
/*---------------------------------------------------------------------------------*/
SHPhysicsObject () noexcept;
SHPhysicsObject (EntityID eid, rp3d::PhysicsCommon* physicsFactory, rp3d::PhysicsWorld* physicsWorld) noexcept;
SHPhysicsObject (const SHPhysicsObject& rhs) noexcept = default;
SHPhysicsObject (SHPhysicsObject&& rhs) noexcept = default;
virtual ~SHPhysicsObject () noexcept;
@ -63,9 +61,24 @@ namespace SHADE
/* Setter Functions */
/*---------------------------------------------------------------------------------*/
void SetPosition (const SHVec3& position) noexcept;
void SetOrientation (const SHQuaternion& orientation) noexcept;
void SetRotation (const SHVec3& rotation) noexcept;
void SetPosition (const SHVec3& position) noexcept;
void SetOrientation (const SHQuaternion& orientation) noexcept;
void SetRotation (const SHVec3& rotation) noexcept;
/*---------------------------------------------------------------------------------*/
/* Function Members */
/*---------------------------------------------------------------------------------*/
void CreateRigidBody (const SHTransformComponent* tf, SHRigidBodyComponent* rb, SHColliderComponent* c);
void CreateCollisionBody (const SHTransformComponent* tf, SHColliderComponent* c);
int AddCollider (SHCollider* collider);
void DestroyRigidBody (SHColliderComponent* c) noexcept;
void RemoveCollider (int index);
void DestroyCollisionBody () noexcept;
void SyncRigidBody (SHRigidBodyComponent* rb) const noexcept;
void SyncColliders (SHColliderComponent* c) const noexcept;
private:
/*---------------------------------------------------------------------------------*/
@ -76,14 +89,9 @@ namespace SHADE
bool isRigidBody;
bool hasColliders;
rp3d::PhysicsCommon* factory;
rp3d::PhysicsWorld* world;
rp3d::CollisionBody* rp3dBody; // Can be either a collision body or a rigid body
rp3d::Transform prevTransform; // Cached transform for interpolation
/*---------------------------------------------------------------------------------*/
/* Function Members */
/*---------------------------------------------------------------------------------*/
};
} // namespace SHADE

389
SHADE_Engine/src/Physics/SHPhysicsSystem.cpp
View File

@ -68,10 +68,7 @@ namespace SHADE
if (world)
{
const auto RP3D_GRAVITY = world->getGravity();
result.x = RP3D_GRAVITY.x;
result.y = RP3D_GRAVITY.y;
result.z = RP3D_GRAVITY.z;
result = world->getGravity();
}
else
{
@ -112,8 +109,7 @@ namespace SHADE
{
if (world)
{
const rp3d::Vector3 G { gravity.x, gravity.y, gravity.z };
world->setGravity(G);
world->setGravity(gravity);
}
else
{
@ -161,8 +157,7 @@ namespace SHADE
{
if (world)
{
const rp3d::Vector3 G { settings.gravity.x, settings.gravity.y, settings.gravity.z };
world->setGravity(G);
world->setGravity(settings.gravity);
world->setNbIterationsVelocitySolver(settings.numVelocitySolverIterations);
world->setNbIterationsPositionSolver(settings.numPositionSolverIterations);
world->enableSleeping(settings.sleepingEnabled);
@ -207,69 +202,14 @@ namespace SHADE
SHLOG_INFO("Adding a Rigidbody to the Physics World.")
#endif
// Check if entity is already a physics object
auto* physicsObject = GetPhysicsObject(entityID);
if (!physicsObject)
{
physicsObject = &(map.emplace(entityID, SHPhysicsObject{}).first->second);
physicsObject->entityID = entityID;
}
auto* physicsObject = CreatePhysicsObject(entityID);
// Get entity transform
auto const* SHADE_TF = SHComponentManager::GetComponent_s<SHTransformComponent>(entityID);
// Possibly redundant
if (!SHADE_TF)
{
SHComponentManager::AddComponent<SHTransformComponent>(entityID);
SHADE_TF = SHComponentManager::GetComponent<SHTransformComponent>(entityID);
}
const SHVec3& SHADE_POS = SHADE_TF->GetWorldPosition();
const SHVec3& SHADE_ROT = SHADE_TF->GetWorldRotation();
const rp3d::Vector3 RP3D_POS { SHADE_POS.x, SHADE_POS.y, SHADE_POS.z };
const rp3d::Quaternion RP3D_ROT = rp3d::Quaternion::fromEulerAngles( SHADE_ROT.x, SHADE_ROT.y, SHADE_ROT.z );
const rp3d::Transform RP3D_TF { RP3D_POS, RP3D_ROT };
// If collider already exists
if (physicsObject->hasColliders)
world->destroyCollisionBody(physicsObject->rp3dBody);
physicsObject->rp3dBody = world->createRigidBody(RP3D_TF);
physicsObject->isRigidBody = true;
// Recreate colliders
if (physicsObject->hasColliders)
{
const auto& COLLIDERS = SHComponentManager::GetComponent<SHColliderComponent>(entityID)->GetColliders();
for (const auto& collider : COLLIDERS | std::views::keys)
{
switch (collider.GetType())
{
case SHCollider::Type::BOX:
{
SHBoundingBox* box = reinterpret_cast<SHBoundingBox*>(collider.GetShape());
const SHVec3& SHADE_EXTENTS = box->GetHalfExtents();
rp3d::Vector3 RP3D_EXTENTS { SHADE_EXTENTS.x, SHADE_EXTENTS.y, SHADE_EXTENTS.z };
rp3d::BoxShape* newBox = factory.createBoxShape(RP3D_EXTENTS);
// TODO(Diren): Handle offsets
physicsObject->rp3dBody->addCollider(newBox, RP3D_TF);
break;
}
case SHCollider::Type::SPHERE:
{
break;
}
// TODO(Diren): Add more collider shapes
default: break;
}
}
}
physicsObject->CreateRigidBody
(
EnsureTransform(entityID),
SHComponentManager::GetComponent<SHRigidBodyComponent>(entityID),
SHComponentManager::GetComponent_s<SHColliderComponent>(entityID)
);
}
void SHPhysicsSystem::AddCollider(EntityID entityID) noexcept
@ -278,63 +218,13 @@ namespace SHADE
SHLOG_INFO("Adding a Collider to the Physics World.")
#endif
// Check if entity is already a physics object
auto* physicsObject = GetPhysicsObject(entityID);
if (!physicsObject)
{
physicsObject = &(map.emplace(entityID, SHPhysicsObject{}).first->second);
physicsObject->entityID = entityID;
}
auto* physicsObject = CreatePhysicsObject(entityID);
// Get entity transform
auto const* SHADE_TF = SHComponentManager::GetComponent_s<SHTransformComponent>(entityID);
// Possibly redundant
if (!SHADE_TF)
{
SHComponentManager::AddComponent<SHTransformComponent>(entityID);
SHADE_TF = SHComponentManager::GetComponent<SHTransformComponent>(entityID);
}
const SHVec3& SHADE_POS = SHADE_TF->GetWorldPosition();
const SHVec3& SHADE_ROT = SHADE_TF->GetWorldRotation();
const rp3d::Vector3 RP3D_POS { SHADE_POS.x, SHADE_POS.y, SHADE_POS.z };
const rp3d::Quaternion RP3D_ROT = rp3d::Quaternion::fromEulerAngles( SHADE_ROT.x, SHADE_ROT.y, SHADE_ROT.z );
const rp3d::Transform RP3D_TF { RP3D_POS, RP3D_ROT };
// No rb
if (!physicsObject->isRigidBody)
physicsObject->rp3dBody = world->createCollisionBody(RP3D_TF);
const auto& COLLIDERS = SHComponentManager::GetComponent<SHColliderComponent>(entityID)->GetColliders();
for (const auto& collider : COLLIDERS | std::views::keys)
{
switch (collider.GetType())
{
case SHCollider::Type::BOX:
{
SHBoundingBox* box = reinterpret_cast<SHBoundingBox*>(collider.GetShape());
const SHVec3& SHADE_EXTENTS = box->GetHalfExtents();
rp3d::Vector3 RP3D_EXTENTS { SHADE_EXTENTS.x, SHADE_EXTENTS.y, SHADE_EXTENTS.z };
rp3d::BoxShape* newBox = factory.createBoxShape(RP3D_EXTENTS);
// TODO(Diren): Handle offsets
physicsObject->rp3dBody->addCollider(newBox, RP3D_TF);
break;
}
case SHCollider::Type::SPHERE:
{
break;
}
// TODO(Diren): Add more collider shapes
default: break;
}
}
physicsObject->hasColliders = true;
physicsObject->CreateCollisionBody
(
EnsureTransform(entityID),
SHComponentManager::GetComponent<SHColliderComponent>(entityID)
);
}
void SHPhysicsSystem::RemoveRigidBody(EntityID entityID) noexcept
@ -343,6 +233,13 @@ namespace SHADE
SHLOG_INFO("Removing a Rigidbody from the Physics World.")
#endif
auto* physicsObject = GetPhysicsObject(entityID);
SHASSERT(physicsObject != nullptr, "Physics object has been lost from the world!")
physicsObject->DestroyRigidBody(SHComponentManager::GetComponent_s<SHColliderComponent>(entityID));
if (physicsObject->rp3dBody == nullptr)
DestroyPhysicsObject(entityID);
}
void SHPhysicsSystem::RemoveCollider(EntityID entityID) noexcept
@ -392,33 +289,10 @@ namespace SHADE
}
void SHPhysicsSystem::AddCollisionShape(EntityID entityID, SHShape* shape)
void SHPhysicsSystem::AddCollisionShape(EntityID entityID, SHCollider* collider)
{
auto* physicsObject = GetPhysicsObject(entityID);
switch (shape->GetType())
{
case SHShape::Type::BOX:
{
auto* box = reinterpret_cast<SHBoundingBox*>(shape);
const SHVec3& SHADE_EXTENTS = box->GetHalfExtents();
rp3d::Vector3 RP3D_EXTENTS { SHADE_EXTENTS.x, SHADE_EXTENTS.y, SHADE_EXTENTS.z };
rp3d::BoxShape* newBox = factory.createBoxShape(RP3D_EXTENTS);
// TODO(Diren): Handle offsets
rp3d::Transform tf = rp3d::Transform::identity();
physicsObject->rp3dBody->addCollider(newBox, tf);
break;
}
case SHShape::Type::SPHERE:
{
break;
}
// TODO(Diren): Add more collider shapes
default: break;
}
physicsObject->AddCollider(collider);
}
void SHPhysicsSystem::RemoveCollisionShape(EntityID entityID, int index)
@ -475,6 +349,7 @@ namespace SHADE
if (system->worldUpdated)
{
system->SyncTransforms();
// TODO(Diren): Handle trigger messages for scripting
}
}
@ -483,6 +358,18 @@ namespace SHADE
/* Private Function Member Definitions */
/*-----------------------------------------------------------------------------------*/
SHPhysicsObject* SHPhysicsSystem::CreatePhysicsObject(EntityID entityID) noexcept
{
const auto it = map.find(entityID);
if (it == map.end())
{
auto* newPhysicsObject = &map.emplace(entityID, SHPhysicsObject{entityID, &factory, world}).first->second;
return newPhysicsObject;
}
return &(it->second);
}
SHPhysicsObject* SHPhysicsSystem::GetPhysicsObject(EntityID entityID) noexcept
{
const auto it = map.find(entityID);
@ -495,6 +382,19 @@ namespace SHADE
return &(it->second);
}
void SHPhysicsSystem::DestroyPhysicsObject(EntityID entityID) noexcept
{
map.erase(entityID);
}
void SHPhysicsSystem::SyncActiveStates(SHPhysicsObject* physicsObject, bool componentActive) noexcept
{
const bool RP3D_ACTIVE = physicsObject->rp3dBody->isActive();
if (RP3D_ACTIVE != componentActive)
physicsObject->rp3dBody->setIsActive(componentActive);
}
void SHPhysicsSystem::SyncRigidBodyComponents(std::vector<SHRigidBodyComponent>& denseArray) noexcept
{
if (denseArray.empty())
@ -505,23 +405,16 @@ namespace SHADE
const EntityID ENTITY_ID = comp.GetEID();
// Get physicsObject
auto const* physicsObject = GetPhysicsObject(ENTITY_ID);
auto* physicsObject = GetPhysicsObject(ENTITY_ID);
const bool RP3D_ACTIVE = physicsObject->rp3dBody->isActive();
// TODO(Diren): Check if active in hierarchy
const bool COMPONENT_ACTIVE = comp.isActive;
if (RP3D_ACTIVE != COMPONENT_ACTIVE)
physicsObject->rp3dBody->setIsActive(COMPONENT_ACTIVE);
SyncActiveStates(physicsObject, COMPONENT_ACTIVE);
if (!COMPONENT_ACTIVE)
continue;
if (comp.dirtyFlags > 0)
{
SyncRigidBody(physicsObject, &comp);
comp.dirtyFlags = 0;
}
physicsObject->SyncRigidBody(&comp);
}
}
@ -535,29 +428,23 @@ namespace SHADE
const EntityID ENTITY_ID = comp.GetEID();
// Get physicsObject
auto const* physicsObject = GetPhysicsObject(ENTITY_ID);
auto* physicsObject = GetPhysicsObject(ENTITY_ID);
const bool RP3D_ACTIVE = physicsObject->rp3dBody->isActive();
// TODO(Diren): Check if active in hierarchy
const bool COMPONENT_ACTIVE = comp.isActive;
if (RP3D_ACTIVE != COMPONENT_ACTIVE)
physicsObject->rp3dBody->setIsActive(COMPONENT_ACTIVE);
SyncActiveStates(physicsObject, COMPONENT_ACTIVE);
if (!COMPONENT_ACTIVE)
continue;
SyncCollider(physicsObject, &comp);
physicsObject->SyncColliders(&comp);
}
}
void SHPhysicsSystem::SyncTransforms() noexcept
{
for (auto& pair : map)
for (auto& [entityID, physicsObject] : map)
{
const EntityID ENTITY_ID = pair.first;
SHPhysicsObject& physicsObject = pair.second;
rp3d::Vector3 rp3dPos;
rp3d::Quaternion rp3dRot;
@ -567,7 +454,7 @@ namespace SHADE
if (physicsObject.isRigidBody)
{
auto const* rbComponent = SHComponentManager::GetComponent<SHRigidBodyComponent>(ENTITY_ID);
auto* rbComponent = SHComponentManager::GetComponent<SHRigidBodyComponent>(entityID);
if (rbComponent->GetType() == SHRigidBodyComponent::Type::STATIC)
continue;
@ -585,6 +472,16 @@ namespace SHADE
rp3dPos = CURRENT_TF.getPosition();
rp3dRot = CURRENT_TF.getOrientation();
}
rbComponent->position = CURRENT_TF.getPosition();
rbComponent->orientation = CURRENT_TF.getOrientation();
if (physicsObject.hasColliders)
{
auto* colliderComponent = SHComponentManager::GetComponent<SHColliderComponent>(entityID);
colliderComponent->position = CURRENT_TF.getPosition();
colliderComponent->orientation = CURRENT_TF.getOrientation();
}
}
else
{
@ -593,155 +490,29 @@ namespace SHADE
}
// Convert RP3D Transform to SHADE
const SHVec3 SHADE_POS = SHVec3{ rp3dPos.x, rp3dPos.y, rp3dPos.z };
const SHVec3 SHADE_ROT = SHQuaternion{ rp3dRot.x, rp3dRot.y, rp3dRot.z, rp3dRot.w }.ToEuler();
auto* tfComponent = SHComponentManager::GetComponent<SHTransformComponent>(entityID);
tfComponent->SetWorldPosition(rp3dPos);
tfComponent->SetWorldRotation(SHQuaternion{ rp3dRot }.ToEuler());
auto* tfComponent = SHComponentManager::GetComponent<SHTransformComponent>(ENTITY_ID);
tfComponent->SetWorldPosition(SHADE_POS);
tfComponent->SetWorldRotation(SHADE_ROT);
// Cache transforms
physicsObject.prevTransform = CURRENT_TF;
}
}
void SHPhysicsSystem::SyncRigidBody(SHPhysicsObject const* physicsObject, const SHRigidBodyComponent* comp) noexcept
SHTransformComponent* SHPhysicsSystem::EnsureTransform(EntityID entityID)
{
auto* rigidBody = reinterpret_cast<rp3d::RigidBody*>(physicsObject->rp3dBody);
auto* tf = SHComponentManager::GetComponent_s<SHTransformComponent>(entityID);
const uint16_t RB_FLAGS = comp->dirtyFlags;
const size_t NUM_FLAGS = sizeof(RB_FLAGS) * 8U;
for (size_t i = 0; i < NUM_FLAGS; ++i)
// Possibly redundant
if (!tf)
{
// Check if current dirty flag has been set to true
if (RB_FLAGS & 1U << i)
{
switch (i)
{
case 0: // Gravity
{
rigidBody->enableGravity(comp->IsGravityEnabled());
break;
}
case 1: // Sleeping
{
rigidBody->setIsAllowedToSleep(comp->IsAllowedToSleep());
break;
}
case 2: // Linear Constraints
{
SetRP3DLinearConstraints(rigidBody, comp->flags);
break;
}
case 3: // Angular Constraints
{
SetRP3DAngularConstraints(rigidBody, comp->flags);
break;
}
case 4: // Type
{
rigidBody->setType(static_cast<rp3d::BodyType>(comp->GetType()));
break;
}
case 5: // Mass
{
rigidBody->setMass(comp->GetMass());
break;
}
case 6: // Drag
{
rigidBody->setLinearDamping(comp->GetDrag());
break;
}
case 7: // Angular Drag
{
rigidBody->setAngularDamping(comp->GetAngularDrag());
break;
}
case 8: // Linear Velocity
{
const SHVec3& SHADE_VEL = comp->GetLinearVelocity();
rp3d::Vector3 RP3D_VEL { SHADE_VEL.x, SHADE_VEL.y, SHADE_VEL.z };
rigidBody->setLinearVelocity(RP3D_VEL);
break;
}
case 9: // Angular Velocity
{
const SHVec3& SHADE_VEL = comp->GetAngularVelocity();
rp3d::Vector3 RP3D_VEL { SHADE_VEL.x, SHADE_VEL.y, SHADE_VEL.z };
rigidBody->setAngularVelocity(RP3D_VEL);
break;
}
default: break;
}
}
SHComponentManager::AddComponent<SHTransformComponent>(entityID);
tf = SHComponentManager::GetComponent<SHTransformComponent>(entityID);
}
return tf;
}
void SHPhysicsSystem::SetRP3DLinearConstraints(rp3d::RigidBody const* rp3dRigidBody, uint8_t rbFlags) noexcept
{
const rp3d::Vector3 CONSTRAINTS
{
rbFlags & 1U << 2 ? 0.0f : 1.0f,
rbFlags & 1U << 3 ? 0.0f : 1.0f,
rbFlags & 1U << 4 ? 0.0f : 1.0f
};
rp3dRigidBody->setLinearLockAxisFactor(CONSTRAINTS);
}
void SHPhysicsSystem::SetRP3DAngularConstraints(rp3d::RigidBody const* rp3dRigidBody, uint8_t rbFlags) noexcept
{
const rp3d::Vector3 CONSTRAINTS
{
rbFlags & 1U << 5 ? 0.0f : 1.0f,
rbFlags & 1U << 6 ? 0.0f : 1.0f,
rbFlags & 1U << 7 ? 0.0f : 1.0f
};
rp3dRigidBody->setAngularLockAxisFactor(CONSTRAINTS);
}
void SHPhysicsSystem::SyncCollider(SHPhysicsObject const* physicsObject, SHColliderComponent* comp) noexcept
{
int index = 0;
for (auto& [collider, dirty] : comp->colliders)
{
if (!dirty)
continue;
switch (collider.GetType())
{
case SHCollider::Type::BOX:
{
SHBoundingBox* box = reinterpret_cast<SHBoundingBox*>(collider.GetShape());
const SHVec3& SHADE_EXTENTS = box->GetHalfExtents();
rp3d::Vector3 RP3D_EXTENTS { SHADE_EXTENTS.x, SHADE_EXTENTS.y, SHADE_EXTENTS.z };
auto* rp3dBoxShape = reinterpret_cast<rp3d::BoxShape*>(physicsObject->rp3dBody->getCollider(index)->getCollisionShape());
rp3dBoxShape->setHalfExtents(RP3D_EXTENTS);
if (rp3dBoxShape)
{
SHLOG_INFO("Updating box things")
}
break;
}
case SHCollider::Type::SPHERE:
{
break;
}
default: break;
}
dirty = false;
++index;
}
}
} // namespace SHADE

25
SHADE_Engine/src/Physics/SHPhysicsSystem.h
View File

@ -19,6 +19,7 @@
#include "SHPhysicsObject.h"
#include "Components/SHRigidBodyComponent.h"
#include "Components/SHColliderComponent.h"
#include "Math/Transform/SHTransformComponent.h"
#include "Scene/SHSceneGraph.h"
#include "ECS_Base/System/SHSystemRoutine.h"
@ -81,8 +82,8 @@ namespace SHADE
/* Function Members */
/*---------------------------------------------------------------------------------*/
void Init () override;
void Exit () override;
void Init () override;
void Exit () override;
void AddRigidBody (EntityID entityID) noexcept;
void AddCollider (EntityID entityID) noexcept;
@ -100,7 +101,7 @@ namespace SHADE
void AddTorque (EntityID entityID, const SHVec3& torque) const noexcept;
void AddRelativeTorque (EntityID entityID, const SHVec3& relativeTorque) const noexcept;
void AddCollisionShape (EntityID entityID, SHShape* shape);
void AddCollisionShape (EntityID entityID, SHCollider* collider);
void RemoveCollisionShape (EntityID entityID, int index);
/*---------------------------------------------------------------------------------*/
@ -185,18 +186,18 @@ namespace SHADE
/*---------------------------------------------------------------------------------*/
/* Function Members */
/*---------------------------------------------------------------------------------*/
SHPhysicsObject* GetPhysicsObject (EntityID entityID) noexcept;
SHPhysicsObject* CreatePhysicsObject (EntityID entityID) noexcept;
SHPhysicsObject* GetPhysicsObject (EntityID entityID) noexcept;
void DestroyPhysicsObject (EntityID entityID) noexcept;
void SyncRigidBodyComponents (std::vector<SHRigidBodyComponent>& denseArray) noexcept;
void SyncColliderComponents (std::vector<SHColliderComponent>& denseArray) noexcept;
void SyncTransforms () noexcept;
void SyncActiveStates (SHPhysicsObject* physicsObject, bool componentActive) noexcept;
void SyncRigidBodyComponents (std::vector<SHRigidBodyComponent>& denseArray) noexcept;
void SyncColliderComponents (std::vector<SHColliderComponent>& denseArray) noexcept;
void SyncTransforms () noexcept;
// TODO(Diren): Trigger handling
static void SyncRigidBody (SHPhysicsObject const* physicsObject, const SHRigidBodyComponent* comp) noexcept;
static void SetRP3DLinearConstraints (rp3d::RigidBody const* rp3dRigidBody, uint8_t rbFlags) noexcept;
static void SetRP3DAngularConstraints (rp3d::RigidBody const* rp3dRigidBody, uint8_t rbFlags) noexcept;
static void SyncCollider (SHPhysicsObject const* physicsObject, SHColliderComponent* comp) noexcept;
// TODO(Diren): Remove when responsibility shifted to editor
SHTransformComponent* EnsureTransform (EntityID entityID);
};

3
SHADE_Managed/premake5.lua
View File

@ -30,8 +30,9 @@ project "SHADE_Managed"
"%{IncludeDir.imguizmo}",
"%{IncludeDir.imnodes}",
"%{IncludeDir.yamlcpp}",
"%{IncludeDir.RTTR}/include",
"%{IncludeDir.RTTR}/include",
"%{IncludeDir.dotnet}\\include",
"%{IncludeDir.reactphysics3d}\\include",
"%{wks.location}/SHADE_Engine/src"
}