From dfd5d2eb394355542906c2fc1011dd5ae3eb5b7e Mon Sep 17 00:00:00 2001 From: chai Date: Wed, 9 Jan 2019 00:44:32 +0800 Subject: =?UTF-8?q?*=E5=88=9D=E5=A7=8B=E5=8C=96?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../Box2D/Collision/Shapes/b2CircleShape.h | 60 ++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 Source/3rdParty/Box2D/Collision/Shapes/b2CircleShape.h (limited to 'Source/3rdParty/Box2D/Collision/Shapes/b2CircleShape.h') diff --git a/Source/3rdParty/Box2D/Collision/Shapes/b2CircleShape.h b/Source/3rdParty/Box2D/Collision/Shapes/b2CircleShape.h new file mode 100644 index 0000000..d2c646e --- /dev/null +++ b/Source/3rdParty/Box2D/Collision/Shapes/b2CircleShape.h @@ -0,0 +1,60 @@ +/* +* 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_CIRCLE_SHAPE_H +#define B2_CIRCLE_SHAPE_H + +#include "Box2D/Collision/Shapes/b2Shape.h" + +/// A circle shape. +class b2CircleShape : public b2Shape +{ +public: + b2CircleShape(); + + /// Implement b2Shape. + b2Shape* Clone(b2BlockAllocator* allocator) const override; + + /// @see b2Shape::GetChildCount + int32 GetChildCount() const override; + + /// Implement b2Shape. + bool TestPoint(const b2Transform& transform, const b2Vec2& p) const override; + + /// Implement b2Shape. + bool RayCast(b2RayCastOutput* output, const b2RayCastInput& input, + const b2Transform& transform, int32 childIndex) const override; + + /// @see b2Shape::ComputeAABB + void ComputeAABB(b2AABB* aabb, const b2Transform& transform, int32 childIndex) const override; + + /// @see b2Shape::ComputeMass + void ComputeMass(b2MassData* massData, float32 density) const override; + + /// Position + b2Vec2 m_p; +}; + +inline b2CircleShape::b2CircleShape() +{ + m_type = e_circle; + m_radius = 0.0f; + m_p.SetZero(); +} + +#endif -- cgit v1.1-26-g67d0