Bullet Collision Detection & Physics Library
btSoftBodySolverVertexBuffer.h
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1/*
2Bullet Continuous Collision Detection and Physics Library
3Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/
4
5This software is provided 'as-is', without any express or implied warranty.
6In no event will the authors be held liable for any damages arising from the use of this software.
7Permission is granted to anyone to use this software for any purpose,
8including commercial applications, and to alter it and redistribute it freely,
9subject to the following restrictions:
10
111. 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.
122. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
133. This notice may not be removed or altered from any source distribution.
14*/
15
16#ifndef BT_SOFT_BODY_SOLVER_VERTEX_BUFFER_H
17#define BT_SOFT_BODY_SOLVER_VERTEX_BUFFER_H
18
19
21{
22public:
24 {
28 };
29
30protected:
31
34
37
40
41public:
43 {
45 m_hasNormals = false;
50 }
51
53 {
54
55 }
56
57 virtual bool hasVertexPositions() const
58 {
60 }
61
62 virtual bool hasNormals() const
63 {
64 return m_hasNormals;
65 }
66
70 virtual BufferTypes getBufferType() const = 0;
71
75 virtual int getVertexOffset() const
76 {
77 return m_vertexOffset;
78 }
79
83 virtual int getVertexStride() const
84 {
85 return m_vertexStride;
86 }
87
91 virtual int getNormalOffset() const
92 {
93 return m_normalOffset;
94 }
95
99 virtual int getNormalStride() const
100 {
101 return m_normalStride;
102 }
103};
104
105
107{
108protected:
110
111public:
117 btCPUVertexBufferDescriptor( float *basePointer, int vertexOffset, int vertexStride )
118 {
119 m_basePointer = basePointer;
120 m_vertexOffset = vertexOffset;
121 m_vertexStride = vertexStride;
123 }
124
130 btCPUVertexBufferDescriptor( float *basePointer, int vertexOffset, int vertexStride, int normalOffset, int normalStride )
131 {
132 m_basePointer = basePointer;
133
134 m_vertexOffset = vertexOffset;
135 m_vertexStride = vertexStride;
137
138 m_normalOffset = normalOffset;
139 m_normalStride = normalStride;
140 m_hasNormals = true;
141 }
142
144 {
145
146 }
147
152 {
153 return CPU_BUFFER;
154 }
155
159 virtual float *getBasePointer() const
160 {
161 return m_basePointer;
162 }
163};
164
165#endif // #ifndef BT_SOFT_BODY_SOLVER_VERTEX_BUFFER_H
btCPUVertexBufferDescriptor(float *basePointer, int vertexOffset, int vertexStride)
vertexBasePointer is pointer to beginning of the buffer.
virtual float * getBasePointer() const
Return the base pointer in memory to the first vertex.
virtual BufferTypes getBufferType() const
Return the type of the vertex buffer descriptor.
btCPUVertexBufferDescriptor(float *basePointer, int vertexOffset, int vertexStride, int normalOffset, int normalStride)
vertexBasePointer is pointer to beginning of the buffer.
virtual BufferTypes getBufferType() const =0
Return the type of the vertex buffer descriptor.
virtual int getNormalOffset() const
Return the vertex offset in floats from the base pointer.
virtual int getVertexOffset() const
Return the vertex offset in floats from the base pointer.
virtual int getNormalStride() const
Return the vertex stride in number of floats between vertices.
virtual int getVertexStride() const
Return the vertex stride in number of floats between vertices.