139 lines
2.8 KiB
C++
139 lines
2.8 KiB
C++
/*
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* Copyright (c) 2016-2019 Irlan Robson https://irlanrobson.github.io
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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*/
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#ifndef B3_CLOTH_SHAPE_H
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#define B3_CLOTH_SHAPE_H
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#include <bounce/common/settings.h>
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class b3Cloth;
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// Cloth shape type
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enum b3ClothShapeType
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{
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e_clothSphereShape,
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e_clothCapsuleShape,
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e_clothTriangleShape,
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e_clothWorldShape,
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e_maxClothShapes
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};
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// Cloth shape definition
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struct b3ClothShapeDef
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{
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b3ClothShapeDef()
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{
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radius = scalar(0);
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friction = scalar(0);
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density = scalar(0);
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meshIndex = B3_MAX_U32;
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}
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scalar radius;
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scalar friction;
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scalar density;
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u32 meshIndex;
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};
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// Cloth shape
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class b3ClothShape
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{
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public:
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// Get the shape type.
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b3ClothShapeType GetType() const;
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// Get the cloth.
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b3Cloth* GetCloth();
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const b3Cloth* GetCloth() const;
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// Get the shape radius.
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scalar GetRadius() const;
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// Get the shape density.
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scalar GetDensity() const;
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// Set the coefficient of friction of this shape.
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void SetFriction(scalar friction);
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// Get the coefficient of friction of this shape.
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// This represents both static and dynamic friction.
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scalar GetFriction() const;
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protected:
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friend class b3Cloth;
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friend class b3ClothParticle;
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friend class b3ClothContactManager;
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friend class b3ClothContactSolver;
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// Type
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b3ClothShapeType m_type;
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// Cloth
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b3Cloth* m_cloth;
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// Radius
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scalar m_radius;
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// Coefficient of friction
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scalar m_friction;
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// Density
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scalar m_density;
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// Broadphase ID
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u32 m_broadPhaseId;
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// Mesh index
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u32 m_meshIndex;
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};
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inline b3ClothShapeType b3ClothShape::GetType() const
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{
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return m_type;
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}
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inline b3Cloth* b3ClothShape::GetCloth()
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{
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return m_cloth;
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}
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inline const b3Cloth* b3ClothShape::GetCloth() const
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{
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return m_cloth;
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}
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inline scalar b3ClothShape::GetRadius() const
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{
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return m_radius;
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}
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inline void b3ClothShape::SetFriction(scalar friction)
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{
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m_friction = friction;
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}
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inline scalar b3ClothShape::GetFriction() const
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{
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return m_friction;
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}
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inline scalar b3ClothShape::GetDensity() const
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{
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return m_density;
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}
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#endif |