change class to structure for consistency
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@ -23,7 +23,7 @@
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///////////////////////////////////////////////////////////////////////////////////////////////////
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class b3GJKProxy;
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struct b3GJKProxy;
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struct b3SimplexCache;
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struct b3SimplexVertex
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@ -22,10 +22,12 @@
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#include <bounce/common/math/vec3.h>
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// A GJK proxy encapsulates any convex hull to be used by the GJK.
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class b3GJKProxy
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struct b3GJKProxy
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{
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public:
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b3GJKProxy() : m_vertices(NULL), m_count(0), m_radius(0.0f) { }
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const b3Vec3* vertices; // vertices in this proxy
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u32 vertexCount; // number of vertices
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float32 radius; // proxy radius
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b3Vec3 vertexBuffer[3]; // vertex buffer for convenience
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// Get the number of vertices in this proxy.
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u32 GetVertexCount() const;
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@ -39,31 +41,26 @@ public:
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// Convenience function.
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// Get the support vertex in a given direction.
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const b3Vec3& GetSupportVertex(const b3Vec3& direction) const;
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const b3Vec3* m_vertices; // vertices in this proxy
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u32 m_count; // number of vertices
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float32 m_radius; // shape radius
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b3Vec3 m_buffer[3]; // vertices from a child shape
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};
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inline u32 b3GJKProxy::GetVertexCount() const
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{
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return m_count;
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return vertexCount;
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}
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inline const b3Vec3& b3GJKProxy::GetVertex(u32 index) const
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{
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B3_ASSERT(0 <= index && index < m_count);
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return m_vertices[index];
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B3_ASSERT(0 <= index && index < vertexCount);
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return vertices[index];
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}
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inline u32 b3GJKProxy::GetSupportIndex(const b3Vec3& d) const
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{
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u32 maxIndex = 0;
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float32 maxProjection = b3Dot(d, m_vertices[maxIndex]);
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for (u32 i = 1; i < m_count; ++i)
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float32 maxProjection = b3Dot(d, vertices[maxIndex]);
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for (u32 i = 1; i < vertexCount; ++i)
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{
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float32 projection = b3Dot(d, m_vertices[i]);
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float32 projection = b3Dot(d, vertices[i]);
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if (projection > maxProjection)
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{
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maxIndex = i;
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@ -76,7 +73,7 @@ inline u32 b3GJKProxy::GetSupportIndex(const b3Vec3& d) const
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inline const b3Vec3& b3GJKProxy::GetSupportVertex(const b3Vec3& d) const
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{
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u32 index = GetSupportIndex(d);
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return m_vertices[index];
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return vertices[index];
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}
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#endif
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@ -42,11 +42,10 @@ struct b3ConvexCache
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};
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// Used for computing the distance between two generic shapes.
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class b3ShapeGJKProxy : public b3GJKProxy
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struct b3ShapeGJKProxy : public b3GJKProxy
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{
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public:
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b3ShapeGJKProxy() { }
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b3ShapeGJKProxy(const b3Shape* shape, u32 index)
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{
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Set(shape, index);
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