private void SetTriangles(RTBranchContainer branch, int vertCount, int initIndex, int branchIndex)
{
int initRound = 0;
int endRound = Mathf.Min(branch.branchPoints.Count - 2, ((branch.branchPoints.Count - initIndex) - 2));
for (int round = initRound; round < endRound; round++)
{
for (int i = 0; i < ivyParameters.sides; i++)
{
int offset = vertCount - lastVertCount;
int v0 = (i + (round * (ivyParameters.sides + 1))) + offset;
int v1 = (i + (round * (ivyParameters.sides + 1)) + 1) + offset;
int v2 = (i + (round * (ivyParameters.sides + 1)) + ivyParameters.sides + 1) + offset;
int v3 = (i + (round * (ivyParameters.sides + 1)) + 1) + offset;
int v4 = (i + (round * (ivyParameters.sides + 1)) + ivyParameters.sides + 2) + offset;
int v5 = (i + (round * (ivyParameters.sides + 1)) + ivyParameters.sides + 1) + offset;
//int firstIndexTriangle = lastTriangleIndexPerBranch[branchIndex];
buildingMeshData.AddTriangle(0, v0);
buildingMeshData.AddTriangle(0, v1);
buildingMeshData.AddTriangle(0, v2);
buildingMeshData.AddTriangle(0, v3);
buildingMeshData.AddTriangle(0, v4);
buildingMeshData.AddTriangle(0, v5);
triCount += 6;
}
}
for (int t = 0, c = 0; t < ivyParameters.sides * 3; t += 3, c++)
{
buildingMeshData.AddTriangle(0, vertCount - 1);
buildingMeshData.AddTriangle(0, vertCount - 3 - c);
buildingMeshData.AddTriangle(0, vertCount - 2 - c);
triCount += 3;
}
lastTriangleIndexPerBranch[branchIndex] = vertCount - 1;
}
public void CopyToFixedMesh(int branchIndex, int initSegmentIdx,
int endSegmentIdx, RTBranchContainer branchContainer, RTBranchContainer bakedBranchContainer)
{
int numVerticesPerLoop = ivyParameters.sides + 1;
int numTrianglesPerLoop = ivyParameters.sides * 6;
int numLoopsToProcess = 1;
int onlyBranchVertices = (vertCountsPerBranch[branchIndex] - vertCountLeavesPerBranch[branchIndex]);
int vertexOffset = 0;
for (int i = 1; i <= branchIndex; i++)
{
vertexOffset += vertCountsPerBranch[branchIndex];
}
if (processedBranchesVerticesIndicesPerBranch[branchIndex].Count <= 0)
{
numLoopsToProcess = 2;
}
else
{
numLoopsToProcess = 1;
vertexOffset += numVerticesPerLoop;
}
for (int i = numLoopsToProcess - 1; i >= 0; i--)
{
int index = branchContainer.branchPoints.Count - backtrackingPoints - i;
RTBranchPoint rtBranchPoint = branchContainer.branchPoints[index];
for (int j = 0; j < rtBranchPoint.verticesLoop.Length; j++)
{
RTVertexData vertexData = rtBranchPoint.verticesLoop[j];
processedMeshData.AddVertex(vertexData.vertex, vertexData.normal, vertexData.uv, vertexData.color);
processedBranchesVerticesIndicesPerBranch[branchIndex].Add(processedMeshData.VertexCount() - 1);
}
}
int triangleIndexOffset = 0;
if (branchIndex > 0)
{
triangleIndexOffset = lastTriangleIndexPerBranch[branchIndex];
}
if (processedBranchesVerticesIndicesPerBranch[branchIndex].Count >= numVerticesPerLoop * 2)
{
int initIdx = processedBranchesVerticesIndicesPerBranch[branchIndex].Count - (numVerticesPerLoop * 2);
for (int i = 0; i < ivyParameters.sides; i++)
{
int v0 = processedBranchesVerticesIndicesPerBranch[branchIndex][i + initIdx];
int v1 = processedBranchesVerticesIndicesPerBranch[branchIndex][i + 1 + initIdx];
int v2 = processedBranchesVerticesIndicesPerBranch[branchIndex][i + ivyParameters.sides + 1 + initIdx];
int v3 = processedBranchesVerticesIndicesPerBranch[branchIndex][i + 1 + initIdx];
int v4 = processedBranchesVerticesIndicesPerBranch[branchIndex][i + ivyParameters.sides + 2 + initIdx];
int v5 = processedBranchesVerticesIndicesPerBranch[branchIndex][i + ivyParameters.sides + 1 + initIdx];
processedMeshData.AddTriangle(0, v0);
processedMeshData.AddTriangle(0, v1);
processedMeshData.AddTriangle(0, v2);
processedMeshData.AddTriangle(0, v3);
processedMeshData.AddTriangle(0, v4);
processedMeshData.AddTriangle(0, v5);
}
}
if (ivyParameters.generateLeaves)
{
int lastVertexLeafProcessed = processedMeshData.VertexCount();
int numLeavesProcessed = 0;
for (int i = initSegmentIdx; i < endSegmentIdx; i++)
{
RTLeafPoint[] leaves = bakedBranchContainer.leavesOrderedByInitSegment[i];
for (int j = 0; j < leaves.Length; j++)
{
RTLeafPoint currentLeaf = leaves[j];
if (currentLeaf == null)
{
continue;
}
RTMeshData chosenLeaveMeshData = leavesMeshesByChosenLeaf[currentLeaf.chosenLeave];
int submesh = submeshByChoseLeaf[currentLeaf.chosenLeave];
for (int t = 0; t < chosenLeaveMeshData.triangles[0].Length; t++)
{
int triangleValue = chosenLeaveMeshData.triangles[0][t] + lastVertexLeafProcessed;
processedMeshData.AddTriangle(submesh, triangleValue);
}
for (int v = 0; v < currentLeaf.vertices.Length; v++)
{
RTVertexData vertexData = currentLeaf.vertices[v];
processedMeshData.AddVertex(vertexData.vertex,
vertexData.normal, vertexData.uv,
vertexData.color);
processedVerticesIndicesPerBranch[branchIndex].Add(processedMeshData.VertexCount() - 1);
lastVertexLeafProcessed++;
}
numLeavesProcessed++;
}
}
}
}