当前位置: 首页>>代码示例>>C++>>正文


C++ SubMesh::getIndicesSize方法代码示例

本文整理汇总了C++中SubMesh::getIndicesSize方法的典型用法代码示例。如果您正苦于以下问题:C++ SubMesh::getIndicesSize方法的具体用法?C++ SubMesh::getIndicesSize怎么用?C++ SubMesh::getIndicesSize使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在SubMesh的用法示例。


在下文中一共展示了SubMesh::getIndicesSize方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: createSubMesh


//.........这里部分代码省略.........
		if(nodeMesh->mTangents)
		{
			Vector3 * tangents = subMesh->allocTangents(nodeMesh->mNumVertices);
			for(i=0; i<nodeMesh->mNumVertices; i++)
				tangents[i] = matrix.getRotatedVector3(Vector3(nodeMesh->mTangents[i].x, nodeMesh->mTangents[i].y, nodeMesh->mTangents[i].z)).getNormalized();
		}
		
		// colors
		if(nodeMesh->mColors[0])
		{
			Color * colors = subMesh->allocColors(nodeMesh->mNumVertices);
			for(i=0; i<nodeMesh->mNumVertices; i++)
				colors[i] = Color(nodeMesh->mColors[0][i].r, nodeMesh->mColors[0][i].g, nodeMesh->mColors[0][i].b, nodeMesh->mColors[0][i].a);
		}
		
		// uvcoords
		{
			unsigned int t, nb_texLayers = 0;
			for(t=0; t<AI_MAX_NUMBER_OF_TEXTURECOORDS; t++)
			{
				if(nodeMesh->mTextureCoords[t])
					nb_texLayers++;
			}
			
			Vector2 * uvCoords = subMesh->allocTexCoords(nodeMesh->mNumVertices*nb_texLayers);
	
			nb_texLayers = 0;
			for(t=0; t<AI_MAX_NUMBER_OF_TEXTURECOORDS; t++)
			{
				if(nodeMesh->mTextureCoords[t])
				{
					unsigned int offset = nodeMesh->mNumVertices*nb_texLayers;
					subMesh->setMapChannelOffset(t, offset);
					
					for(i=0; i<nodeMesh->mNumVertices; i++){
						uvCoords[offset+i] = Vector2(nodeMesh->mTextureCoords[t][i].x, 1-nodeMesh->mTextureCoords[t][i].y);
					}
					
					nb_texLayers++;
				}
			}
		}
		
		// indices
		{
			unsigned int f;
			
			if(nodeMesh->mNumVertices < 65536)
			{
				unsigned short * indices = (unsigned short *)subMesh->allocIndices(nodeMesh->mNumFaces*3, VAR_USHORT);
				for(f=0; f<nodeMesh->mNumFaces; f++)
				{
					aiFace * face = &nodeMesh->mFaces[f];
					for(i=0; i<3; i++){
						indices[f*3+i] = face->mIndices[i];
					}
				}
			}
			else	
			{
				unsigned int * indices = (unsigned int *)subMesh->allocIndices(nodeMesh->mNumFaces*3, VAR_UINT);
				for(f=0; f<nodeMesh->mNumFaces; f++)
				{
					aiFace * face = &nodeMesh->mFaces[f];
					for(i=0; i<3; i++){
						indices[f*3+i] = face->mIndices[i];
					}
				}
			}
		}
		
		
		// bones
		initBones(scene, nodeMesh, mesh, subMesh);
		
		
		// display
		subMesh->allocDisplays(1);
		MaterialDisplay * display = subMesh->addNewDisplay(PRIMITIVE_TRIANGLES, 0, subMesh->getIndicesSize());
		display->setMaterial(mesh->getMaterial(nodeMesh->mMaterialIndex));
		
		// cull mode
		int twosided = 0;
		aiMaterial * mtl = scene->mMaterials[nodeMesh->mMaterialIndex];
		if(AI_SUCCESS == aiGetMaterialInteger(mtl, AI_MATKEY_TWOSIDED, &twosided))
		{
			if(twosided != 0)
				display->setCullMode(CULL_NONE);
		}
		
		// bounding box
		subMesh->getBoundingBox()->initFromPoints(vertices, subMesh->getVerticesSize());
		
		(*count)++;
	}
	
	
	for(unsigned int n=0; n<nd->mNumChildren; n++)
		createSubMesh(scene, nd->mChildren[n], mesh, subMeshs, count, matrix);
}
开发者ID:joewan,项目名称:NeoEditor,代码行数:101,代码来源:AssimpMeshLoader.cpp


注:本文中的SubMesh::getIndicesSize方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。