File indexing completed on 2025-08-03 03:49:54

 /*
 * Copyright (c) 2006-2010 Erin Catto http://www.gphysics.com
 *
 * 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_EDGE_SHAPE_H
 #define B2_EDGE_SHAPE_H
 
 #include <Box2D/Collision/Shapes/b2Shape.h>
 
 /// A line segment (edge) shape. These can be connected in chains or loops
 /// to other edge shapes. The connectivity information is used to ensure
 /// correct contact normals.
 class b2EdgeShape : public b2Shape
 {
 public:
     b2EdgeShape();
 
     /// Set this as an isolated edge.
     void Set(const b2Vec2& v1, const b2Vec2& v2);
 
     /// Implement b2Shape.
     b2Shape* Clone(b2BlockAllocator* allocator) const override;
 
     /// @see b2Shape::GetChildCount
     int32 GetChildCount() const override;
 
     /// @see b2Shape::TestPoint
     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, qreal density) const override;
     
     /// These are the edge vertices
     b2Vec2 m_vertex1, m_vertex2;
 
     /// Optional adjacent vertices. These are used for smooth collision.
     b2Vec2 m_vertex0, m_vertex3;
     bool m_hasVertex0, m_hasVertex3;
 };
 
 inline b2EdgeShape::b2EdgeShape()
 {
     m_type = e_edge;
     m_radius = b2_polygonRadius;
     m_hasVertex0 = false;
     m_hasVertex3 = false;
 }
 
 #endif