int WritePolygons(OutputMesh mesh, int position) { int geometriesCount = this.curvedPolygonsNet.GetGeometriesCount(); CPNPolygon[][] polygons = tessellationOutput.GetPolygons(); int[][] polygonsProfile = tessellationOutput.GetPolygonsProfile(); int[][] polygonsVerticesProfile = tessellationOutput.GetPolygonsVerticesProfile(); for (int k = 0; k < geometriesCount; k++) { mesh.SetGeometry(k); CPNGeometry geometry = this.curvedPolygonsNet.GetGeometries()[k]; int geomPolygonsCount = subSet == null?geometry.GetPolygonsCount() : subSet.polygons[k].Length; for (int i = 0; i < geomPolygonsCount; i++) { int index = subSet == null ? i : subSet.polygons[k][i]; int countEffectiveSize = polygons[k][index].sideEdges.Length; CPNPolygon polygonData = polygons[k][index]; if (countEffectiveSize > 2 && countEffectiveSize < TESSELLATION_PROCESS_NET_INTERPOLATORS && !polygonData.skip) { polygonData.computeSideEdgesSizes(); ICPNetInterpolator netInterpolator = manager.GetSchema(polygonData.schemaIndex). interpolators[countEffectiveSize]; netInterpolator.UdpdateContent(mesh, polygonData, polygonsVerticesProfile[k][index], polygonsProfile[k][index]); } } position += polygonsVerticesProfile[k][geometry.GetPolygonsCount()]; int triangleIndex = polygonsProfile[k][geometry.GetPolygonsCount()]; int trianglesCount = geometry.GetTrianglesCount(); short[] triangles = geometry.GetTriangles(); for (int i = 0; i < trianglesCount; i++) { mesh.WriteTriangle(triangleIndex, triangles[3 * i], triangles[3 * i + 1], triangles[3 * i + 2]); triangleIndex++; } int quadsCount = geometry.GetQuadsCount(); short[] quads = geometry.GetQuads(); for (int i = 0; i < quadsCount; i++) { mesh.WriteQuad(triangleIndex, quads[3 * i], quads[3 * i + 1], quads[3 * i + 2], quads[3 * i + 3]); triangleIndex += 2; } } return(position); }
public void UdpdateContent(OutputMesh mesh, CPNPolygon polygon, int internalsIndex, int facesIndex, bool doUpdateStructure = true) { triangleStructure.RetrieveInfos(polygon); bool useUV = mesh.DoUseUVs(); bool useNormals = mesh.DoNormals(); bool useTangents = mesh.DoUseUVs(); int countProperties = mesh.CountProperties(); buffer0.requestProperties(countProperties); buffer1.requestProperties(countProperties); buffer2.requestProperties(countProperties); int M = triangleStructure.GetM(); float step = 1.0f / M; CPNSideEdge[] polylines = polygon.sideEdges; buffer0.writeWithGuide(polylines[0], M, mesh, evaluator); buffer1.writeWithGuide(polylines[1], M, mesh, evaluator); buffer2.writeWithGuide(polylines[2], M, mesh, evaluator); corner0.Set(buffer0, buffer2); corner1.Set(buffer1, buffer0); corner2.Set(buffer2, buffer1); int position = internalsIndex; for (int i = 1; i < M - 1; i++) { for (int j = 1; j < M - 1 - (i - 1); j++) { int wIndex = M - i - j; float U = j * step; float V = i * step; float W = 1 - U - V; float a1 = W * W; float a2 = U * U; float a3 = V * V; float rec = 1.0f / (a1 + a2 + a3); a1 *= rec; a2 *= rec; a3 *= rec; Vector3 V1 = corner0.evalVertex(j, i); Vector3 V2 = corner1.evalVertex(i, wIndex); Vector3 V3 = corner2.evalVertex(wIndex, j); Vector3 vertex = V1 * a1 + V2 * a2 + V3 * a3; Vector3 normal = Vector3.zero; Vector3 uv = Vector3.zero; Vector3 tangent = Vector3.zero; if (useNormals) { Vector3 V1N = corner0.evalNormal(j, i); Vector3 V2N = corner1.evalNormal(i, wIndex); Vector3 V3N = corner2.evalNormal(wIndex, j); normal = V1N * a1 + V2N * a2 + V3N * a3; } if (useUV) { Vector3 V1uv = corner0.evalUV(j, i); Vector3 V2uv = corner1.evalUV(i, wIndex); Vector3 V3uv = corner2.evalUV(wIndex, j); uv = V1uv * a1 + V2uv * a2 + V3uv * a3; if (useTangents) { float Uu = U + 0.001f; float Wu = 1 - Uu - V; float a1u = Wu * Wu; float a2u = Uu * Uu; float a3u = V * V; a1u *= rec; a2u *= rec; a3u *= rec; float Vv = V + 0.001f; float Wv = 1 - U - Vv; float a1v = Wv * Wv; float a2v = U * U; float a3v = Vv * Vv; a1v *= rec; a2v *= rec; a3v *= rec; Vector3 DPu = (a1u * V1 + a2u * V2 + a3u * V3) - vertex; Vector3 DPv = (a1v * V1 + a2v * V2 + a3v * V3) - vertex; Vector3 DUVu = (a1u * V1uv + a2u * V2uv + a3u * V3uv) - vertex; Vector3 DUVv = (a1v * V1uv + a2v * V2uv + a3v * V3uv) - vertex; tangent = getTangent(DPu, DPv, DUVu, DUVv); } } for (int k = 0; k < countProperties; k++) { Vector3 V1propK = corner0.evalUV(j, i); Vector3 V2propK = corner1.evalUV(i, wIndex); Vector3 V3propK = corner2.evalUV(wIndex, j); Vector3 propK = a1 * V1propK + a2 * V2propK + a3 * V3propK; mesh.SetProperty3(position, k, propK); } mesh.SetPNUV(position, vertex, normal, uv, tangent); position++; } } if (doUpdateStructure) { triangleStructure.CreateTriangleTessellation(mesh, internalsIndex, facesIndex, polygon); } }
public void RetrieveInfos(CPNPolygon buildingPolygonData) { triangleStructure.RetrieveInfos(buildingPolygonData); }
public void UdpdateContent(OutputMesh mesh, CPNPolygon polygon, int internalsIndex, int facesIndex, bool doUpdateStructure = true) { quadStructure.RetrieveInfos(polygon); bool useUV = mesh.DoUseUVs(); bool useNormals = mesh.DoNormals(); bool useTangents = mesh.DoUseUVs(); int countProperties = mesh.CountProperties(); buffer0.requestProperties(countProperties); buffer1.requestProperties(countProperties); buffer2.requestProperties(countProperties); int MV = quadStructure.GetMV(); int MH = quadStructure.GetMH(); float stepV = 1.0f / MV; float stepH = 1.0f / MH; CPNSideEdge[] polylines = polygon.sideEdges; buffer0.writeWithGuide(polylines[0], MH, mesh, evaluator); buffer1.writeWithGuide(polylines[1], MV, mesh, evaluator); buffer2.writeWithGuide(polylines[2], MH, mesh, evaluator); buffer3.writeWithGuide(polylines[3], MV, mesh, evaluator); corner0.Set(buffer0, buffer3); corner1.Set(buffer1, buffer0); corner2.Set(buffer2, buffer1); corner3.Set(buffer3, buffer2); prepareMemory(MH, MV); int index = internalsIndex; for (int i = 1; i < MV; i++) { for (int j = 1; j < MH; j++) { float U = (j) * stepH; float V = (i) * stepV; float UM = 1 - U; float VM = 1 - V; float a1 = (UM * VM * UM * VM); float a2 = (U * VM * U * VM); float a3 = (U * V * U * V); float a4 = (UM * V * UM * V); float rec = 1.0f / (a1 + a2 + a3 + a4); a1 *= rec; a2 *= rec; a3 *= rec; a4 *= rec; Vector3 V1 = corner0.evalVertex(j, i); Vector3 V2 = corner1.evalVertex(i, MH - j); Vector3 V3 = corner2.evalVertex(MH - j, MV - i); Vector3 V4 = corner3.evalVertex(MV - i, j); Vector3 vertex = a1 * V1 + a2 * V2 + a3 * V3 + a4 * V4; int memoryIndex = j + i * (MH + 1); memory.vertices[memoryIndex] = vertex; if (useUV) { //Vector3 vertex = V3; Vector3 V1uv = corner0.evalUV(j, i); Vector3 V2uv = corner1.evalUV(i, MH - j); Vector3 V3uv = corner2.evalUV(MH - j, MV - i); Vector3 V4uv = corner3.evalUV(MV - i, j); Vector3 uv = a1 * V1uv + a2 * V2uv + a3 * V3uv + a4 * V4uv; //Vector3 uv = V3uv; memory.uv[memoryIndex] = uv; } for (int k = 0; k < countProperties; k++) { Vector3 V1propK = corner0.evalProperty(k, j, i); Vector3 V2propK = corner1.evalProperty(k, i, MH - j); Vector3 V3propK = corner2.evalProperty(k, MH - j, MV - i); Vector3 V4propK = corner3.evalProperty(k, MV - i, j); //Vector3 vertex = V3; Vector3 propK = a1 * V1propK + a2 * V2propK + a3 * V3propK + a4 * V4propK; //Vector3 uv = V3uv; mesh.SetProperty3(index, k, propK); } index++; } } index = internalsIndex; for (int i = 1; i < MV; i++) { for (int j = 1; j < MH; j++) { int rowIndex = i * (MH + 1); int rowIndexPrev = (i - 1) * (MH + 1); int rowIndexNext = (i + 1) * (MH + 1); int memoryIndex = j + rowIndex; Vector3 vertex = memory.vertices[memoryIndex]; Vector3 uv = memory.uv[memoryIndex]; Vector3 normal = Vector3.zero; Vector3 tangent = Vector3.zero; if (useNormals) { //Normal (S is the vertices, the surface) Vector3 dSdu = memory.vertices[memoryIndex + 1] - memory.vertices[memoryIndex - 1]; Vector3 dSdv = memory.vertices[rowIndexNext + j] - memory.vertices[rowIndexPrev + j]; dSdu = dSdu.normalized; dSdv = dSdv.normalized; normal = Vector3.Cross(dSdu, dSdv).normalized; if (useTangents) { //Debug.Log("dSdu: (" + dSdu.x + "," + dSdu.y + "," + dSdu.z + ") dSdv:" // + dSdv.x + "," + dSdv.y + "," + dSdv.z + ") Vector3.Cross(dSdu, dSdv).magnitude:" + Vector3.Cross(dSdu, dSdv).magnitude); //Debug.Log("Normal (" + normal.x + "," + normal.y + "," + normal.z + ")"); //Tangent Vector3 dTxdu = memory.uv[memoryIndex + 1] - memory.uv[memoryIndex - 1]; Vector3 dTxdv = memory.uv[rowIndexNext + j] - memory.uv[rowIndexPrev + j]; tangent = getTangent(dSdu, dSdv, dTxdu, dTxdv); } } mesh.SetPNUV(index, vertex, normal, uv, tangent); index++; } } if (doUpdateStructure) { quadStructure.CreateQuadTessellation(mesh, internalsIndex, facesIndex, polygon); } }
public void ExtractPolygonsProfile() { int geometriesCount = this.curvedPolygonsNet.GetGeometriesCount(); int polygonsCount = this.curvedPolygonsNet.GetTotalPolygonsCount(); CPNPolygon[][] polygonsData = tessellationOutput.InitPolygons(geometriesCount); int[] builtTrianglesSize = tessellationOutput.GetBuiltTrianglesSize(); CPNGuide[] guides = tessellationOutput.GetGuides(); int builtVerticesSize = this.tessellationOutput.GetBuiltVerticesSize(); int[][] polygonsProfile = tessellationOutput.InitPolygonsProfile(geometriesCount); int[][] polygonsVerticesProfile = tessellationOutput.GetPolygonsVerticesProfile(); for (int k = 0; k < geometriesCount; k++) { CPNGeometry geometry = this.curvedPolygonsNet.GetGeometries()[k]; int overallPolygonsPosition = 0; int geomPolygonsCount = geometry.GetPolygonsCount(); builtTrianglesSize[k] = 0; //geometriesProfile[k] = builtTrianglesSize; polygonsProfile[k] = new int[geomPolygonsCount + 1]; polygonsVerticesProfile[k] = new int[geomPolygonsCount + 1]; short[] polygons = geometry.GetPolygons(); short[] schemas = geometry.polygonsSchemas; polygonsData[k] = new CPNPolygon[geomPolygonsCount]; for (int i = 0; i < geomPolygonsCount; i++) { int polygonPosition = geometry.GetPolygonPosition(i); int polygonLength = geometry.GetPolygonLength(i); int effectivePolygonSize = 0; for (int j = 0; j < polygonLength; j++) { effectivePolygonSize++; int pIndex = polygons[polygonPosition + j]; if (pIndex == 0) { j += (1 + polygons[polygonPosition + j + 1]); } } CPNSideEdge[] iEdges = new CPNSideEdge[effectivePolygonSize]; int effectivePolygonIndex = 0; for (int j = 0; j < polygonLength; j++) { short pIndex = polygons[polygonPosition + j]; if (pIndex == 0) { int size = polygons[polygonPosition + j + 1]; CPNGuide[] guide = new CPNGuide[size]; bool[] direct = new bool[size]; for (int l = 0; l < size; l++) { int subPIndex = polygons[polygonPosition + j + 2 + l]; int edgeIndex = subPIndex > 0 ? subPIndex - 1 : -subPIndex - 1; guide[l] = guides[edgeIndex]; direct[l] = subPIndex > 0; } CPNSideEdge sideEdge = new CPNSideEdge(); sideEdge.Set(guide, direct); iEdges[effectivePolygonIndex] = sideEdge; j += (1 + polygons[polygonPosition + j + 1]); } else { int edgeIndex = pIndex > 0 ? pIndex - 1 : -pIndex - 1; bool direct = pIndex > 0; CPNSideEdge sideEdge = new CPNSideEdge(); sideEdge.Set(guides[edgeIndex], direct); iEdges[effectivePolygonIndex] = sideEdge; } effectivePolygonIndex++; } CPNPolygon polygonData = new CPNPolygon(); int id = map == null ? schemas[i] : map.GetMappedInterpolatorId(schemas[i]); polygonData.schemaIndex = manager.GetSchemaIndex(id); polygonsData[k][i] = polygonData; polygonData.sideEdges = iEdges; polygonData.computeSkip(); } for (int i = 0; i < geomPolygonsCount; i++) { polygonsProfile[k][i] = builtTrianglesSize[k] + overallPolygonsPosition; polygonsVerticesProfile[k][i] = builtVerticesSize; CPNPolygon polygonData = polygonsData[k][i]; int polygonLength = polygonData.sideEdges.Length; if (polygonLength > 2 && polygonLength < TESSELLATION_PROCESS_NET_INTERPOLATORS && !polygonData.skip) { ICPNetInterpolator netInterpolator = manager.GetSchema(polygonData.schemaIndex). interpolators[polygonLength]; netInterpolator.RetrieveInfos(polygonData); builtVerticesSize += netInterpolator.GetComputedInternals(); builtTrianglesSize[k] += netInterpolator.GetComputedTriangles(); } } polygonsProfile[k][geomPolygonsCount] = builtTrianglesSize[k] + overallPolygonsPosition; polygonsVerticesProfile[k][geomPolygonsCount] = builtTrianglesSize[k]; builtTrianglesSize[k] += geometry.GetTrianglesCount(); builtTrianglesSize[k] += geometry.GetQuadsCount() << 1; overallPolygonsPosition = polygonsProfile[k][geomPolygonsCount]; } this.tessellationOutput.SetBuiltVerticesSize(builtVerticesSize); }
public void UdpdateContent(OutputMesh mesh, CPNPolygon polygon, int internalsIndex, int facesIndex, bool doUpdateStructure = true) { triangleStructure.RetrieveInfos(polygon); bool useUV = mesh.DoUseUVs(); bool useNormals = mesh.DoNormals(); bool useTangents = mesh.DoUseUVs(); int countProperties = mesh.CountProperties(); buffer0.requestProperties(countProperties); buffer1.requestProperties(countProperties); buffer2.requestProperties(countProperties); int M = triangleStructure.GetM(); float step = 1.0f / M; CPNSideEdge[] polylines = polygon.sideEdges; buffer0.writeWithGuide(polylines[0], M, mesh, evaluator); buffer1.writeWithGuide(polylines[1], M, mesh, evaluator); buffer2.writeWithGuide(polylines[2], M, mesh, evaluator); corner0.Set(buffer0, buffer2); corner1.Set(buffer1, buffer0); corner2.Set(buffer2, buffer1); prepareMemory(M); int position = internalsIndex; for (int i = 1; i < M - 1; i++) { for (int j = 1; j < M - 1 - (i - 1); j++) { int wIndex = M - i - j; float U = j * step; float V = i * step; float W = 1 - U - V; float a1 = W * W; float a2 = U * U; float a3 = V * V; float rec = 1.0f / (a1 + a2 + a3); a1 *= rec; a2 *= rec; a3 *= rec; Vector3 V1 = corner0.evalVertex(j, i); Vector3 V2 = corner1.evalVertex(i, wIndex); Vector3 V3 = corner2.evalVertex(wIndex, j); Vector3 vertex = V1 * a1 + V2 * a2 + V3 * a3; int memoryIndex = j + i * (M + 1) - (((i) * (i - 1)) >> 1); memory.vertices[memoryIndex] = vertex; if (useUV) { Vector3 V1uv = corner0.evalUV(j, i); Vector3 V2uv = corner1.evalUV(i, wIndex); Vector3 V3uv = corner2.evalUV(wIndex, j); Vector3 uv = V1uv * a1 + V2uv * a2 + V3uv * a3; memory.uv[memoryIndex] = uv; } for (int k = 0; k < countProperties; k++) { Vector3 V1prop = corner0.evalProperty(k, j, i); Vector3 V2prop = corner1.evalProperty(k, i, wIndex); Vector3 V3prop = corner2.evalProperty(k, wIndex, j); Vector3 prop = V1prop * a1 + V2prop * a2 + V3prop * a3; mesh.SetProperty3(position, k, prop); } position++; } } position = internalsIndex; for (int i = 1; i < M - 1; i++) { for (int j = 1; j < M - 1 - (i - 1); j++) { int rowIndex = i * (M + 1) - (((i) * (i - 1)) >> 1); int rowIndexPrev = (i - 1) * (M + 1) - (((i - 1) * (i - 2)) >> 1); int rowIndexNext = (i + 1) * (M + 1) - (((i + 1) * (i)) >> 1); int memoryIndex = j + rowIndex; Vector3 vertex = memory.vertices[memoryIndex]; Vector3 uv = memory.uv[memoryIndex]; //Normal (S is the vertices, the surface) Vector3 dSdu = memory.vertices[memoryIndex + 1] - memory.vertices[memoryIndex - 1]; Vector3 dSdv = memory.vertices[rowIndexNext + j] - memory.vertices[rowIndexPrev + j]; Vector3 normal = Vector3.Cross(dSdu, dSdv).normalized; //Tangent Vector3 dTxdu = memory.uv[memoryIndex + 1] - memory.uv[memoryIndex - 1]; Vector3 dTxdv = memory.uv[rowIndexNext + j] - memory.uv[rowIndexPrev + j]; Vector3 tangent = getTangent(dSdu, dSdv, dTxdu, dTxdv); mesh.SetPNUV(position, vertex, normal, uv, tangent); position++; } } if (doUpdateStructure) { triangleStructure.CreateTriangleTessellation(mesh, internalsIndex, facesIndex, polygon); } }
public void UdpdateContent(OutputMesh mesh, CPNPolygon polygon, int internalsIndex, int facesIndex, bool doUpdateStructure = true) { quadStructure.RetrieveInfos(polygon); bool useUV = mesh.DoUseUVs(); bool useNormals = mesh.DoNormals(); bool useTangents = mesh.DoUseUVs(); int countProperties = mesh.CountProperties(); buffer0.requestProperties(countProperties); buffer1.requestProperties(countProperties); buffer2.requestProperties(countProperties); buffer3.requestProperties(countProperties); int MV = quadStructure.GetMV(); int MH = quadStructure.GetMH(); float stepV = 1.0f / MV; float stepH = 1.0f / MH; CPNSideEdge[] polylines = polygon.sideEdges; buffer0.writeWithGuide(polylines[0], MH, mesh, evaluator); buffer1.writeWithGuide(polylines[1], MV, mesh, evaluator); buffer2.writeWithGuide(polylines[2], MH, mesh, evaluator); buffer3.writeWithGuide(polylines[3], MV, mesh, evaluator); corner0.Set(buffer0, buffer3); corner1.Set(buffer1, buffer0); corner2.Set(buffer2, buffer1); corner3.Set(buffer3, buffer2); int position = internalsIndex; for (int i = 1; i < MV; i++) { for (int j = 1; j < MH; j++) { float U = (j) * stepH; float V = (i) * stepV; Vector3 V1 = corner0.evalVertex(j, i); Vector3 V2 = corner1.evalVertex(i, MH - j); Vector3 V3 = corner2.evalVertex(MH - j, MV - i); Vector3 V4 = corner3.evalVertex(MV - i, j); float UM = 1 - U; float VM = 1 - V; float a1 = (UM * VM * UM * VM); float a2 = (U * VM * U * VM); float a3 = (U * V * U * V); float a4 = (UM * V * UM * V); float rec = 1.0f / (a1 + a2 + a3 + a4); a1 *= rec; a2 *= rec; a3 *= rec; a4 *= rec; Vector3 vertex = a1 * V1 + a2 * V2 + a3 * V3 + a4 * V4; Vector3 normal = Vector3.zero; Vector3 uv = Vector3.zero; Vector3 tangent = Vector3.zero; if (useNormals) { Vector3 V1N = corner0.evalNormal(j, i); Vector3 V2N = corner1.evalNormal(i, MH - j); Vector3 V3N = corner2.evalNormal(MH - j, MV - i); Vector3 V4N = corner3.evalNormal(MV - i, j); normal = a1 * V1N + a2 * V2N + a3 * V3N + a4 * V4N; } if (useUV) { Vector3 V1uv = corner0.evalUV(j, i); Vector3 V2uv = corner1.evalUV(i, MH - j); Vector3 V3uv = corner2.evalUV(MH - j, MV - i); Vector3 V4uv = corner3.evalUV(MV - i, j); uv = a1 * V1uv + a2 * V2uv + a3 * V3uv + a4 * V4uv; if (useTangents) { float Uu = U + 0.001f; float UMu = 1 - Uu; float a1u = (UMu * VM * UMu * VM); float a2u = (Uu * VM * Uu * VM); float a3u = (Uu * V * Uu * V); float a4u = (UMu * V * UMu * V); a1u *= rec; a2u *= rec; a3u *= rec; a4u *= rec; float Vv = V + 0.001f; float VMv = 1 - Vv; float a1v = (UM * VMv * UM * VMv); float a2v = (U * VMv * U * VMv); float a3v = (U * Vv * U * Vv); float a4v = (UM * Vv * UM * Vv); a1v *= rec; a2v *= rec; a3v *= rec; a4v *= rec; Vector3 DPu = (a1u * V1 + a2u * V2 + a3u * V3 + a4u * V4) - vertex; Vector3 DPv = (a1v * V1 + a2v * V2 + a3v * V3 + a4v * V4) - vertex; Vector3 DUVu = (a1u * V1uv + a2u * V2uv + a3u * V3uv + a4u * V4uv) - vertex; Vector3 DUVv = (a1v * V1uv + a2v * V2uv + a3v * V3uv + a4v * V4uv) - vertex; tangent = getTangent(DPu, DPv, DUVu, DUVv); } } for (int k = 0; k < countProperties; k++) { Vector3 V1propK = corner0.evalProperty(k, j, i); Vector3 V2propK = corner1.evalProperty(k, i, MH - j); Vector3 V3propK = corner2.evalProperty(k, MH - j, MV - i); Vector3 V4propK = corner3.evalProperty(k, MV - i, j); Vector3 propK = a1 * V1propK + a2 * V2propK + a3 * V3propK + a4 * V4propK; mesh.SetProperty3(position, k, propK); } mesh.SetPNUV(position, vertex, normal, uv, tangent); position++; } } if (doUpdateStructure) { quadStructure.CreateQuadTessellation(mesh, internalsIndex, facesIndex, polygon); } }