94 lines
3.1 KiB
C++
94 lines
3.1 KiB
C++
/****************************************************************************
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Copyright (c) 2011-2013,WebJet Business Division,CYOU
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http://www.genesis-3d.com.cn
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#ifndef __RECT_BUILDER_H__
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#define __RECT_BUILDER_H__
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#include "meshbuilder/meshbuilder.h"
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#include "math/float3.h"
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namespace MeshBuilder
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{
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// ======== ¶¥µã·Ö²¼ ================
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// ----------------------------------
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// ---- 0 - 1 ---------------------
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// ---- | / | ----------------------
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// ---- 2 - 3 ---------------------
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// ----------------------------------
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// indices: 0,2,1; 1,2,3
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// postion :Math::float3 , normal : Math::float3
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#define RECT_VERTEX_COUNT 4
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#define RECT_INDICES_COUNT 6
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class ParallelogramBuilder
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{
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public:
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// the vertex count in a rect
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static SizeT VertexCount();
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// the index count in a rect
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static SizeT IndexCount();
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// set indices
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static void SetIndices(ushort* buffer);
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static void Set(void* vertices, size_t vertex_size, const Math::float3& top, const Math::float3& right, const Math::float3& center,
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size_t position_bias);
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static void Set(void* vertices, size_t vertex_size, const Math::float3& top, const Math::float3& right, const Math::float3& center,
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size_t position_bias, size_t normal_bias);
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template<typename Vertex>
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static inline void Set(Vertex* vertices, const Math::float3& top, const Math::float3& right, const Math::float3& center,
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size_t position_bias)
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{
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Set(vertices, sizeof(Vertex), top, right, center, position_bias);
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}
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template<typename Vertex>
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static inline void Set(Vertex* vertices, const Math::float3& top, const Math::float3& right, const Math::float3& center,
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size_t position_bias, size_t normal_bias)
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{
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Set(vertices, sizeof(Vertex), top, right, center, position_bias, normal_bias);
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}
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private:
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static const Math::float3 sDefaultNormal;
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ParallelogramBuilder(){}
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};
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inline SizeT ParallelogramBuilder::VertexCount()
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{
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return RECT_VERTEX_COUNT;
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}
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inline SizeT ParallelogramBuilder::IndexCount()
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{
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return RECT_INDICES_COUNT;
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}
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}
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#endif//__RECT_BUILDER_H__
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