Jolt Physics
A multi core friendly Game Physics Engine
Loading...
Searching...
No Matches
ScaledShape.h
Go to the documentation of this file.
1// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
2// SPDX-FileCopyrightText: 2021 Jorrit Rouwe
3// SPDX-License-Identifier: MIT
4
5#pragma once
6
8
10
13
16{
18
19
20 ScaledShapeSettings() = default;
21
23 ScaledShapeSettings(const ShapeSettings *inShape, Vec3Arg inScale) : DecoratedShapeSettings(inShape), mScale(inScale) { }
24
26 ScaledShapeSettings(const Shape *inShape, Vec3Arg inScale) : DecoratedShapeSettings(inShape), mScale(inScale) { }
27
28 // See: ShapeSettings
29 virtual ShapeResult Create() const override;
30
31 Vec3 mScale = Vec3(1, 1, 1);
32};
33
36{
37public:
39
42 ScaledShape(const ScaledShapeSettings &inSettings, ShapeResult &outResult);
43
45 ScaledShape(const Shape *inShape, Vec3Arg inScale) : DecoratedShape(EShapeSubType::Scaled, inShape), mScale(inScale) { }
46
48 Vec3 GetScale() const { return mScale; }
49
50 // See Shape::GetCenterOfMass
51 virtual Vec3 GetCenterOfMass() const override { return mScale * mInnerShape->GetCenterOfMass(); }
52
53 // See Shape::GetLocalBounds
54 virtual AABox GetLocalBounds() const override;
55
56 // See Shape::GetWorldSpaceBounds
57 virtual AABox GetWorldSpaceBounds(Mat44Arg inCenterOfMassTransform, Vec3Arg inScale) const override;
59
60 // See Shape::GetInnerRadius
61 virtual float GetInnerRadius() const override { return mScale.ReduceMin() * mInnerShape->GetInnerRadius(); }
62
63 // See Shape::GetMassProperties
64 virtual MassProperties GetMassProperties() const override;
65
66 // See Shape::GetSubShapeTransformedShape
67 virtual TransformedShape GetSubShapeTransformedShape(const SubShapeID &inSubShapeID, Vec3Arg inPositionCOM, QuatArg inRotation, Vec3Arg inScale, SubShapeID &outRemainder) const override;
68
69 // See Shape::GetSurfaceNormal
70 virtual Vec3 GetSurfaceNormal(const SubShapeID &inSubShapeID, Vec3Arg inLocalSurfacePosition) const override;
71
72 // See Shape::GetSupportingFace
73 virtual void GetSupportingFace(const SubShapeID &inSubShapeID, Vec3Arg inDirection, Vec3Arg inScale, Mat44Arg inCenterOfMassTransform, SupportingFace &outVertices) const override;
74
75 // See Shape::GetSubmergedVolume
76 virtual void GetSubmergedVolume(Mat44Arg inCenterOfMassTransform, Vec3Arg inScale, const Plane &inSurface, float &outTotalVolume, float &outSubmergedVolume, Vec3 &outCenterOfBuoyancy JPH_IF_DEBUG_RENDERER(, RVec3Arg inBaseOffset)) const override;
77
78#ifdef JPH_DEBUG_RENDERER
79 // See Shape::Draw
80 virtual void Draw(DebugRenderer *inRenderer, RMat44Arg inCenterOfMassTransform, Vec3Arg inScale, ColorArg inColor, bool inUseMaterialColors, bool inDrawWireframe) const override;
81
82 // See Shape::DrawGetSupportFunction
83 virtual void DrawGetSupportFunction(DebugRenderer *inRenderer, RMat44Arg inCenterOfMassTransform, Vec3Arg inScale, ColorArg inColor, bool inDrawSupportDirection) const override;
84
85 // See Shape::DrawGetSupportingFace
86 virtual void DrawGetSupportingFace(DebugRenderer *inRenderer, RMat44Arg inCenterOfMassTransform, Vec3Arg inScale) const override;
87#endif // JPH_DEBUG_RENDERER
88
89 // See Shape::CastRay
90 virtual bool CastRay(const RayCast &inRay, const SubShapeIDCreator &inSubShapeIDCreator, RayCastResult &ioHit) const override;
91 virtual void CastRay(const RayCast &inRay, const RayCastSettings &inRayCastSettings, const SubShapeIDCreator &inSubShapeIDCreator, CastRayCollector &ioCollector, const ShapeFilter &inShapeFilter = { }) const override;
92
93 // See: Shape::CollidePoint
94 virtual void CollidePoint(Vec3Arg inPoint, const SubShapeIDCreator &inSubShapeIDCreator, CollidePointCollector &ioCollector, const ShapeFilter &inShapeFilter = { }) const override;
95
96 // See: Shape::CollideSoftBodyVertices
97 virtual void CollideSoftBodyVertices(Mat44Arg inCenterOfMassTransform, Vec3Arg inScale, SoftBodyVertex *ioVertices, uint inNumVertices, float inDeltaTime, Vec3Arg inDisplacementDueToGravity, int inCollidingShapeIndex) const override;
98
99 // See Shape::CollectTransformedShapes
100 virtual void CollectTransformedShapes(const AABox &inBox, Vec3Arg inPositionCOM, QuatArg inRotation, Vec3Arg inScale, const SubShapeIDCreator &inSubShapeIDCreator, TransformedShapeCollector &ioCollector, const ShapeFilter &inShapeFilter) const override;
101
102 // See Shape::TransformShape
103 virtual void TransformShape(Mat44Arg inCenterOfMassTransform, TransformedShapeCollector &ioCollector) const override;
104
105 // See Shape::GetTrianglesStart
106 virtual void GetTrianglesStart(GetTrianglesContext &ioContext, const AABox &inBox, Vec3Arg inPositionCOM, QuatArg inRotation, Vec3Arg inScale) const override { JPH_ASSERT(false, "Cannot call on non-leaf shapes, use CollectTransformedShapes to collect the leaves first!"); }
107
108 // See Shape::GetTrianglesNext
109 virtual int GetTrianglesNext(GetTrianglesContext &ioContext, int inMaxTrianglesRequested, Float3 *outTriangleVertices, const PhysicsMaterial **outMaterials = nullptr) const override { JPH_ASSERT(false, "Cannot call on non-leaf shapes, use CollectTransformedShapes to collect the leaves first!"); return 0; }
110
111 // See Shape
112 virtual void SaveBinaryState(StreamOut &inStream) const override;
113
114 // See Shape::GetStats
115 virtual Stats GetStats() const override { return Stats(sizeof(*this), 0); }
116
117 // See Shape::GetVolume
118 virtual float GetVolume() const override;
119
120 // See Shape::IsValidScale
121 virtual bool IsValidScale(Vec3Arg inScale) const override;
122
123 // Register shape functions with the registry
124 static void sRegister();
125
126protected:
127 // See: Shape::RestoreBinaryState
128 virtual void RestoreBinaryState(StreamIn &inStream) override;
129
130private:
131 // Helper functions called by CollisionDispatch
132 static void sCollideScaledVsShape(const Shape *inShape1, const Shape *inShape2, Vec3Arg inScale1, Vec3Arg inScale2, Mat44Arg inCenterOfMassTransform1, Mat44Arg inCenterOfMassTransform2, const SubShapeIDCreator &inSubShapeIDCreator1, const SubShapeIDCreator &inSubShapeIDCreator2, const CollideShapeSettings &inCollideShapeSettings, CollideShapeCollector &ioCollector, const ShapeFilter &inShapeFilter);
133 static void sCollideShapeVsScaled(const Shape *inShape1, const Shape *inShape2, Vec3Arg inScale1, Vec3Arg inScale2, Mat44Arg inCenterOfMassTransform1, Mat44Arg inCenterOfMassTransform2, const SubShapeIDCreator &inSubShapeIDCreator1, const SubShapeIDCreator &inSubShapeIDCreator2, const CollideShapeSettings &inCollideShapeSettings, CollideShapeCollector &ioCollector, const ShapeFilter &inShapeFilter);
134 static void sCastScaledVsShape(const ShapeCast &inShapeCast, const ShapeCastSettings &inShapeCastSettings, const Shape *inShape, Vec3Arg inScale, const ShapeFilter &inShapeFilter, Mat44Arg inCenterOfMassTransform2, const SubShapeIDCreator &inSubShapeIDCreator1, const SubShapeIDCreator &inSubShapeIDCreator2, CastShapeCollector &ioCollector);
135 static void sCastShapeVsScaled(const ShapeCast &inShapeCast, const ShapeCastSettings &inShapeCastSettings, const Shape *inShape, Vec3Arg inScale, const ShapeFilter &inShapeFilter, Mat44Arg inCenterOfMassTransform2, const SubShapeIDCreator &inSubShapeIDCreator1, const SubShapeIDCreator &inSubShapeIDCreator2, CastShapeCollector &ioCollector);
136
137 Vec3 mScale = Vec3(1, 1, 1);
138};
139
#define JPH_EXPORT
Definition: Core.h:227
unsigned int uint
Definition: Core.h:439
#define JPH_NAMESPACE_END
Definition: Core.h:367
#define JPH_IF_DEBUG_RENDERER(...)
Definition: Core.h:510
#define JPH_NAMESPACE_BEGIN
Definition: Core.h:361
#define JPH_ASSERT(...)
Definition: IssueReporting.h:33
#define JPH_OVERRIDE_NEW_DELETE
Macro to override the new and delete functions.
Definition: Memory.h:29
#define JPH_DECLARE_SERIALIZABLE_VIRTUAL(linkage, class_name)
Definition: SerializableObject.h:100
EShapeSubType
This enumerates all shape types, each shape can return its type through Shape::GetSubType.
Definition: Shape.h:74
Axis aligned box.
Definition: AABox.h:16
Settings to be passed with a collision query.
Definition: CollideShape.h:94
Virtual interface that allows collecting multiple collision results.
Definition: CollisionCollector.h:45
Class that holds an RGBA color with 8-bits per component.
Definition: Color.h:16
Definition: DebugRenderer.h:47
Base class for shapes that decorate another shape with extra functionality (e.g. scale,...
Definition: DecoratedShape.h:29
Class that constructs a DecoratedShape.
Definition: DecoratedShape.h:13
Class that holds 3 floats. Used as a storage class. Convert to Vec3 for calculations.
Definition: Float3.h:13
Describes the mass and inertia properties of a body. Used during body construction only.
Definition: MassProperties.h:16
Holds a 4x4 matrix of floats, but supports also operations on the 3x3 upper left part of the matrix.
Definition: Mat44.h:13
Definition: PhysicsMaterial.h:23
An infinite plane described by the formula X . Normal + Constant = 0.
Definition: Plane.h:11
Definition: Quat.h:33
Specialization of cast result against a shape.
Definition: CastResult.h:30
Settings to be passed with a ray cast.
Definition: RayCast.h:70
A shape that scales a child shape in local space of that shape. The scale can be non-uniform and can ...
Definition: ScaledShape.h:36
virtual Stats GetStats() const override
Get stats of this shape. Use for logging / data collection purposes only. Does not add values from ch...
Definition: ScaledShape.h:115
Vec3 GetScale() const
Get the scale.
Definition: ScaledShape.h:48
JPH_OVERRIDE_NEW_DELETE ScaledShape()
Constructor.
Definition: ScaledShape.h:41
virtual float GetInnerRadius() const override
Definition: ScaledShape.h:61
ScaledShape(const Shape *inShape, Vec3Arg inScale)
Constructor that decorates another shape with a scale.
Definition: ScaledShape.h:45
virtual int GetTrianglesNext(GetTrianglesContext &ioContext, int inMaxTrianglesRequested, Float3 *outTriangleVertices, const PhysicsMaterial **outMaterials=nullptr) const override
Definition: ScaledShape.h:109
virtual void GetTrianglesStart(GetTrianglesContext &ioContext, const AABox &inBox, Vec3Arg inPositionCOM, QuatArg inRotation, Vec3Arg inScale) const override
Definition: ScaledShape.h:106
virtual Vec3 GetCenterOfMass() const override
All shapes are centered around their center of mass. This function returns the center of mass positio...
Definition: ScaledShape.h:51
Class that constructs a ScaledShape.
Definition: ScaledShape.h:16
Settings to be passed with a shape cast.
Definition: ShapeCast.h:92
Filter class.
Definition: ShapeFilter.h:17
Base class for all shapes (collision volume of a body). Defines a virtual interface for collision det...
Definition: Shape.h:178
virtual AABox GetWorldSpaceBounds(Mat44Arg inCenterOfMassTransform, Vec3Arg inScale) const
Definition: Shape.h:214
Definition: Shape.h:139
virtual ShapeResult Create() const =0
Create a shape according to the settings specified by this object.
Definition: SoftBodyVertex.h:16
Simple binary input stream.
Definition: StreamIn.h:13
Simple binary output stream.
Definition: StreamOut.h:13
Definition: SubShapeID.h:108
A sub shape id contains a path to an element (usually a triangle or other primitive type) of a compou...
Definition: SubShapeID.h:23
Definition: TransformedShape.h:26
Definition: Vec3.h:16
Definition: RayCast.h:47
An opaque buffer that holds shape specific information during GetTrianglesStart/Next.
Definition: Shape.h:336
Class that holds information about the shape that can be used for logging / data collection purposes.
Definition: Shape.h:396
Definition: ShapeCast.h:69