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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,65 @@ | ||
| // Jolt Physics Library (https://github.com/jrouwe/JoltPhysics) | ||
| // SPDX-FileCopyrightText: 2024 Jorrit Rouwe | ||
| // SPDX-License-Identifier: MIT | ||
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| #include <Jolt/Jolt.h> | ||
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| #include <Jolt/Physics/Collision/Shape/EmptyShape.h> | ||
| #include <Jolt/Physics/Collision/CollisionDispatch.h> | ||
| #include <Jolt/ObjectStream/TypeDeclarations.h> | ||
| #ifdef JPH_DEBUG_RENDERER | ||
| #include <Jolt/Renderer/DebugRenderer.h> | ||
| #endif // JPH_DEBUG_RENDERER | ||
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| JPH_NAMESPACE_BEGIN | ||
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| JPH_IMPLEMENT_SERIALIZABLE_VIRTUAL(EmptyShapeSettings) | ||
| { | ||
| JPH_ADD_BASE_CLASS(EmptyShapeSettings, ShapeSettings) | ||
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| JPH_ADD_ATTRIBUTE(EmptyShapeSettings, mCenterOfMass) | ||
| } | ||
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| ShapeSettings::ShapeResult EmptyShapeSettings::Create() const | ||
| { | ||
| if (mCachedResult.IsEmpty()) | ||
| new EmptyShape(*this, mCachedResult); | ||
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| return mCachedResult; | ||
| } | ||
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| MassProperties EmptyShape::GetMassProperties() const | ||
| { | ||
| MassProperties mass_properties; | ||
| mass_properties.mMass = 1.0f; | ||
| mass_properties.mInertia = Mat44::sIdentity(); | ||
| return mass_properties; | ||
| } | ||
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| #ifdef JPH_DEBUG_RENDERER | ||
| void EmptyShape::Draw(DebugRenderer *inRenderer, RMat44Arg inCenterOfMassTransform, Vec3Arg inScale, ColorArg inColor, [[maybe_unused]] bool inUseMaterialColors, [[maybe_unused]] bool inDrawWireframe) const | ||
| { | ||
| inRenderer->DrawMarker(inCenterOfMassTransform.GetTranslation(), inColor, abs(inScale.GetX()) * 0.1f); | ||
| } | ||
| #endif // JPH_DEBUG_RENDERER | ||
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| void EmptyShape::sRegister() | ||
| { | ||
| ShapeFunctions &f = ShapeFunctions::sGet(EShapeSubType::Empty); | ||
| f.mConstruct = []() -> Shape * { return new EmptyShape; }; | ||
| f.mColor = Color::sBlack; | ||
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| auto collide_empty = []([[maybe_unused]] const Shape *inShape1, [[maybe_unused]] const Shape *inShape2, [[maybe_unused]] Vec3Arg inScale1, [[maybe_unused]] Vec3Arg inScale2, [[maybe_unused]] Mat44Arg inCenterOfMassTransform1, [[maybe_unused]] Mat44Arg inCenterOfMassTransform2, [[maybe_unused]] const SubShapeIDCreator &inSubShapeIDCreator1, [[maybe_unused]] const SubShapeIDCreator &inSubShapeIDCreator2, [[maybe_unused]] const CollideShapeSettings &inCollideShapeSettings, [[maybe_unused]] CollideShapeCollector &ioCollector, [[maybe_unused]] const ShapeFilter &inShapeFilter) { /* Do Nothing */ }; | ||
| auto cast_empty = []([[maybe_unused]] const ShapeCast &inShapeCast, [[maybe_unused]] const ShapeCastSettings &inShapeCastSettings, [[maybe_unused]] const Shape *inShape, [[maybe_unused]] Vec3Arg inScale, [[maybe_unused]] const ShapeFilter &inShapeFilter, [[maybe_unused]] Mat44Arg inCenterOfMassTransform2, [[maybe_unused]] const SubShapeIDCreator &inSubShapeIDCreator1, [[maybe_unused]] const SubShapeIDCreator &inSubShapeIDCreator2, [[maybe_unused]] CastShapeCollector &ioCollector) { /* Do nothing */ }; | ||
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| for (const EShapeSubType s : sAllSubShapeTypes) | ||
| { | ||
| CollisionDispatch::sRegisterCollideShape(EShapeSubType::Empty, s, collide_empty); | ||
| CollisionDispatch::sRegisterCollideShape(s, EShapeSubType::Empty, collide_empty); | ||
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| CollisionDispatch::sRegisterCastShape(EShapeSubType::Empty, s, cast_empty); | ||
| CollisionDispatch::sRegisterCastShape(s, EShapeSubType::Empty, cast_empty); | ||
| } | ||
| } | ||
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| JPH_NAMESPACE_END |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| // Jolt Physics Library (https://github.com/jrouwe/JoltPhysics) | ||
| // SPDX-FileCopyrightText: 2024 Jorrit Rouwe | ||
| // SPDX-License-Identifier: MIT | ||
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| #pragma once | ||
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| #include <Jolt/Physics/Collision/Shape/Shape.h> | ||
| #include <Jolt/Physics/Collision/PhysicsMaterial.h> | ||
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| JPH_NAMESPACE_BEGIN | ||
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| /// Class that constructs an EmptyShape | ||
| class JPH_EXPORT EmptyShapeSettings final : public ShapeSettings | ||
| { | ||
| public: | ||
| JPH_DECLARE_SERIALIZABLE_VIRTUAL(JPH_EXPORT, EmptyShapeSettings) | ||
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| EmptyShapeSettings() = default; | ||
| explicit EmptyShapeSettings(Vec3Arg inCenterOfMass) : mCenterOfMass(inCenterOfMass) { } | ||
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| ShapeResult Create() const override; | ||
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| Vec3 mCenterOfMass = Vec3::sZero(); ///< Determines the center of mass for this shape | ||
| }; | ||
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| /// An empty shape that has no volume and collides with nothing. | ||
| class JPH_EXPORT EmptyShape final : public Shape | ||
| { | ||
| public: | ||
| // Constructor | ||
| EmptyShape() : Shape(EShapeType::Empty, EShapeSubType::Empty) { } | ||
| EmptyShape(const EmptyShapeSettings &inSettings, ShapeResult &outResult) : Shape(EShapeType::Empty, EShapeSubType::Empty, inSettings, outResult), mCenterOfMass(inSettings.mCenterOfMass) { outResult.Set(this); } | ||
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| // See: Shape | ||
| Vec3 GetCenterOfMass() const override { return mCenterOfMass; } | ||
| AABox GetLocalBounds() const override { return { Vec3::sZero(), Vec3::sZero() }; } | ||
| uint GetSubShapeIDBitsRecursive() const override { return 0; } | ||
| float GetInnerRadius() const override { return 0.0f; } | ||
| MassProperties GetMassProperties() const override; | ||
| const PhysicsMaterial * GetMaterial([[maybe_unused]] const SubShapeID &inSubShapeID) const override { return PhysicsMaterial::sDefault; } | ||
| virtual Vec3 GetSurfaceNormal(const SubShapeID &inSubShapeID, Vec3Arg inLocalSurfacePosition) const override { return Vec3::sZero(); } | ||
| virtual void GetSubmergedVolume(Mat44Arg inCenterOfMassTransform, Vec3Arg inScale, const Plane &inSurface, float &outTotalVolume, float &outSubmergedVolume, Vec3 &outCenterOfBuoyancy | ||
| #ifdef JPH_DEBUG_RENDERER // Not using JPH_IF_DEBUG_RENDERER for Doxygen | ||
| , RVec3Arg inBaseOffset | ||
| #endif | ||
| ) const override { outTotalVolume = 0.0f; outSubmergedVolume = 0.0f; outCenterOfBuoyancy = Vec3::sZero(); } | ||
| #ifdef JPH_DEBUG_RENDERER | ||
| virtual void Draw([[maybe_unused]] DebugRenderer *inRenderer, [[maybe_unused]] RMat44Arg inCenterOfMassTransform, [[maybe_unused]] Vec3Arg inScale, [[maybe_unused]] ColorArg inColor, [[maybe_unused]] bool inUseMaterialColors, [[maybe_unused]] bool inDrawWireframe) const override; | ||
| #endif // JPH_DEBUG_RENDERER | ||
| virtual bool CastRay([[maybe_unused]] const RayCast &inRay, [[maybe_unused]] const SubShapeIDCreator &inSubShapeIDCreator, [[maybe_unused]] RayCastResult &ioHit) const override { return false; } | ||
| virtual void CastRay([[maybe_unused]] const RayCast &inRay, [[maybe_unused]] const RayCastSettings &inRayCastSettings, [[maybe_unused]] const SubShapeIDCreator &inSubShapeIDCreator, [[maybe_unused]] CastRayCollector &ioCollector, [[maybe_unused]] const ShapeFilter &inShapeFilter = { }) const override { /* Do nothing */ } | ||
| virtual void CollidePoint([[maybe_unused]] Vec3Arg inPoint, [[maybe_unused]] const SubShapeIDCreator &inSubShapeIDCreator, [[maybe_unused]] CollidePointCollector &ioCollector, [[maybe_unused]] const ShapeFilter &inShapeFilter = { }) const override { /* Do nothing */ } | ||
| virtual void CollideSoftBodyVertices([[maybe_unused]] Mat44Arg inCenterOfMassTransform, [[maybe_unused]] Vec3Arg inScale, [[maybe_unused]] SoftBodyVertex *ioVertices, [[maybe_unused]] uint inNumVertices, [[maybe_unused]] float inDeltaTime, [[maybe_unused]] Vec3Arg inDisplacementDueToGravity, [[maybe_unused]] int inCollidingShapeIndex) const override { /* Do nothing */ } | ||
| virtual void GetTrianglesStart([[maybe_unused]] GetTrianglesContext &ioContext, [[maybe_unused]] const AABox &inBox, [[maybe_unused]] Vec3Arg inPositionCOM, [[maybe_unused]] QuatArg inRotation, [[maybe_unused]] Vec3Arg inScale) const override { /* Do nothing */ } | ||
| virtual int GetTrianglesNext([[maybe_unused]] GetTrianglesContext &ioContext, [[maybe_unused]] int inMaxTrianglesRequested, [[maybe_unused]] Float3 *outTriangleVertices, [[maybe_unused]] const PhysicsMaterial **outMaterials = nullptr) const override { return 0; } | ||
| Stats GetStats() const override { return { sizeof(*this), 0 }; } | ||
| float GetVolume() const override { return 0.0f; } | ||
| bool IsValidScale([[maybe_unused]] Vec3Arg inScale) const override { return true; } | ||
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| // Register shape functions with the registry | ||
| static void sRegister(); | ||
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| private: | ||
| Vec3 mCenterOfMass = Vec3::sZero(); | ||
| }; | ||
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| JPH_NAMESPACE_END |
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