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Diffstat (limited to 'Source/3rdParty/Box2D/Dynamics/b2Fixture.h')
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1 files changed, 0 insertions, 345 deletions
diff --git a/Source/3rdParty/Box2D/Dynamics/b2Fixture.h b/Source/3rdParty/Box2D/Dynamics/b2Fixture.h deleted file mode 100644 index 9f7a8aa..0000000 --- a/Source/3rdParty/Box2D/Dynamics/b2Fixture.h +++ /dev/null @@ -1,345 +0,0 @@ -/* -* Copyright (c) 2006-2009 Erin Catto http://www.box2d.org -* -* This software is provided 'as-is', without any express or implied -* warranty. In no event will the authors be held liable for any damages -* arising from the use of this software. -* Permission is granted to anyone to use this software for any purpose, -* including commercial applications, and to alter it and redistribute it -* freely, subject to the following restrictions: -* 1. The origin of this software must not be misrepresented; you must not -* claim that you wrote the original software. If you use this software -* in a product, an acknowledgment in the product documentation would be -* appreciated but is not required. -* 2. Altered source versions must be plainly marked as such, and must not be -* misrepresented as being the original software. -* 3. This notice may not be removed or altered from any source distribution. -*/ - -#ifndef B2_FIXTURE_H -#define B2_FIXTURE_H - -#include "Box2D/Dynamics/b2Body.h" -#include "Box2D/Collision/b2Collision.h" -#include "Box2D/Collision/Shapes/b2Shape.h" - -class b2BlockAllocator; -class b2Body; -class b2BroadPhase; -class b2Fixture; - -/// This holds contact filtering data. -struct b2Filter -{ - b2Filter() - { - categoryBits = 0x0001; - maskBits = 0xFFFF; - groupIndex = 0; - } - - /// The collision category bits. Normally you would just set one bit. - uint16 categoryBits; - - /// The collision mask bits. This states the categories that this - /// shape would accept for collision. - uint16 maskBits; - - /// Collision groups allow a certain group of objects to never collide (negative) - /// or always collide (positive). Zero means no collision group. Non-zero group - /// filtering always wins against the mask bits. - int16 groupIndex; -}; - -/// A fixture definition is used to create a fixture. This class defines an -/// abstract fixture definition. You can reuse fixture definitions safely. -struct b2FixtureDef -{ - /// The constructor sets the default fixture definition values. - b2FixtureDef() - { - shape = nullptr; - userData = nullptr; - friction = 0.2f; - restitution = 0.0f; - density = 0.0f; - isSensor = false; - } - - /// The shape, this must be set. The shape will be cloned, so you - /// can create the shape on the stack. - const b2Shape* shape; - - /// Use this to store application specific fixture data. - void* userData; - - /// The friction coefficient, usually in the range [0,1]. - float32 friction; - - /// The restitution (elasticity) usually in the range [0,1]. - float32 restitution; - - /// The density, usually in kg/m^2. - float32 density; - - /// A sensor shape collects contact information but never generates a collision - /// response. - bool isSensor; - - /// Contact filtering data. - b2Filter filter; -}; - -/// This proxy is used internally to connect fixtures to the broad-phase. -struct b2FixtureProxy -{ - b2AABB aabb; - b2Fixture* fixture; - int32 childIndex; - int32 proxyId; -}; - -/// A fixture is used to attach a shape to a body for collision detection. A fixture -/// inherits its transform from its parent. Fixtures hold additional non-geometric data -/// such as friction, collision filters, etc. -/// Fixtures are created via b2Body::CreateFixture. -/// @warning you cannot reuse fixtures. -class b2Fixture -{ -public: - /// Get the type of the child shape. You can use this to down cast to the concrete shape. - /// @return the shape type. - b2Shape::Type GetType() const; - - /// Get the child shape. You can modify the child shape, however you should not change the - /// number of vertices because this will crash some collision caching mechanisms. - /// Manipulating the shape may lead to non-physical behavior. - b2Shape* GetShape(); - const b2Shape* GetShape() const; - - /// Set if this fixture is a sensor. - void SetSensor(bool sensor); - - /// Is this fixture a sensor (non-solid)? - /// @return the true if the shape is a sensor. - bool IsSensor() const; - - /// Set the contact filtering data. This will not update contacts until the next time - /// step when either parent body is active and awake. - /// This automatically calls Refilter. - void SetFilterData(const b2Filter& filter); - - /// Get the contact filtering data. - const b2Filter& GetFilterData() const; - - /// Call this if you want to establish collision that was previously disabled by b2ContactFilter::ShouldCollide. - void Refilter(); - - /// Get the parent body of this fixture. This is nullptr if the fixture is not attached. - /// @return the parent body. - b2Body* GetBody(); - const b2Body* GetBody() const; - - /// Get the next fixture in the parent body's fixture list. - /// @return the next shape. - b2Fixture* GetNext(); - const b2Fixture* GetNext() const; - - /// Get the user data that was assigned in the fixture definition. Use this to - /// store your application specific data. - void* GetUserData() const; - - /// Set the user data. Use this to store your application specific data. - void SetUserData(void* data); - - /// Test a point for containment in this fixture. - /// @param p a point in world coordinates. - bool TestPoint(const b2Vec2& p) const; - - /// Cast a ray against this shape. - /// @param output the ray-cast results. - /// @param input the ray-cast input parameters. - bool RayCast(b2RayCastOutput* output, const b2RayCastInput& input, int32 childIndex) const; - - /// Get the mass data for this fixture. The mass data is based on the density and - /// the shape. The rotational inertia is about the shape's origin. This operation - /// may be expensive. - void GetMassData(b2MassData* massData) const; - - /// Set the density of this fixture. This will _not_ automatically adjust the mass - /// of the body. You must call b2Body::ResetMassData to update the body's mass. - void SetDensity(float32 density); - - /// Get the density of this fixture. - float32 GetDensity() const; - - /// Get the coefficient of friction. - float32 GetFriction() const; - - /// Set the coefficient of friction. This will _not_ change the friction of - /// existing contacts. - void SetFriction(float32 friction); - - /// Get the coefficient of restitution. - float32 GetRestitution() const; - - /// Set the coefficient of restitution. This will _not_ change the restitution of - /// existing contacts. - void SetRestitution(float32 restitution); - - /// Get the fixture's AABB. This AABB may be enlarge and/or stale. - /// If you need a more accurate AABB, compute it using the shape and - /// the body transform. - const b2AABB& GetAABB(int32 childIndex) const; - - /// Dump this fixture to the log file. - void Dump(int32 bodyIndex); - -protected: - - friend class b2Body; - friend class b2World; - friend class b2Contact; - friend class b2ContactManager; - - b2Fixture(); - - // We need separation create/destroy functions from the constructor/destructor because - // the destructor cannot access the allocator (no destructor arguments allowed by C++). - void Create(b2BlockAllocator* allocator, b2Body* body, const b2FixtureDef* def); - void Destroy(b2BlockAllocator* allocator); - - // These support body activation/deactivation. - void CreateProxies(b2BroadPhase* broadPhase, const b2Transform& xf); - void DestroyProxies(b2BroadPhase* broadPhase); - - void Synchronize(b2BroadPhase* broadPhase, const b2Transform& xf1, const b2Transform& xf2); - - float32 m_density; - - b2Fixture* m_next; - b2Body* m_body; - - b2Shape* m_shape; - - float32 m_friction; - float32 m_restitution; - - b2FixtureProxy* m_proxies; - int32 m_proxyCount; - - b2Filter m_filter; - - bool m_isSensor; - - void* m_userData; -}; - -inline b2Shape::Type b2Fixture::GetType() const -{ - return m_shape->GetType(); -} - -inline b2Shape* b2Fixture::GetShape() -{ - return m_shape; -} - -inline const b2Shape* b2Fixture::GetShape() const -{ - return m_shape; -} - -inline bool b2Fixture::IsSensor() const -{ - return m_isSensor; -} - -inline const b2Filter& b2Fixture::GetFilterData() const -{ - return m_filter; -} - -inline void* b2Fixture::GetUserData() const -{ - return m_userData; -} - -inline void b2Fixture::SetUserData(void* data) -{ - m_userData = data; -} - -inline b2Body* b2Fixture::GetBody() -{ - return m_body; -} - -inline const b2Body* b2Fixture::GetBody() const -{ - return m_body; -} - -inline b2Fixture* b2Fixture::GetNext() -{ - return m_next; -} - -inline const b2Fixture* b2Fixture::GetNext() const -{ - return m_next; -} - -inline void b2Fixture::SetDensity(float32 density) -{ - b2Assert(b2IsValid(density) && density >= 0.0f); - m_density = density; -} - -inline float32 b2Fixture::GetDensity() const -{ - return m_density; -} - -inline float32 b2Fixture::GetFriction() const -{ - return m_friction; -} - -inline void b2Fixture::SetFriction(float32 friction) -{ - m_friction = friction; -} - -inline float32 b2Fixture::GetRestitution() const -{ - return m_restitution; -} - -inline void b2Fixture::SetRestitution(float32 restitution) -{ - m_restitution = restitution; -} - -inline bool b2Fixture::TestPoint(const b2Vec2& p) const -{ - return m_shape->TestPoint(m_body->GetTransform(), p); -} - -inline bool b2Fixture::RayCast(b2RayCastOutput* output, const b2RayCastInput& input, int32 childIndex) const -{ - return m_shape->RayCast(output, input, m_body->GetTransform(), childIndex); -} - -inline void b2Fixture::GetMassData(b2MassData* massData) const -{ - m_shape->ComputeMass(massData, m_density); -} - -inline const b2AABB& b2Fixture::GetAABB(int32 childIndex) const -{ - b2Assert(0 <= childIndex && childIndex < m_proxyCount); - return m_proxies[childIndex].aabb; -} - -#endif |