protected virtual void Growing(int branchIndex, float deltaTime)
{
RTBranchContainer currentBranch = activeBuildingBranches[branchIndex];
CalculateFactors(srcPoints[branchIndex], dstPoints[branchIndex]);
meshBuilder.SetLeafLengthCorrectionFactor(leafLengthCorrrectionFactor);
growingFactorPerBranch[branchIndex] += currentSpeed * deltaTime;
growingFactorPerBranch[branchIndex] = Mathf.Clamp(growingFactorPerBranch[branchIndex], 0f, 1f);
currentBranch.totalLength = Mathf.Lerp(srcTotalLengthPerBranch[branchIndex], dstTotalLengthPerBranch[branchIndex], growingFactorPerBranch[branchIndex]);
RTBranchPoint lastPoint = currentBranch.GetLastBranchPoint();
lastPoint.length = currentBranch.totalLength;
lastPoint.point = Vector3.Lerp(srcPoints[branchIndex], dstPoints[branchIndex], growingFactorPerBranch[branchIndex]);
if (growingFactorPerBranch[branchIndex] >= 1)
{
RefreshGeometry();
NextPoints(branchIndex);
}
}
//Añadimos punto y todo lo que ello conlleva. Está la posibilidad de spawnear una rama
public void AddPoint(RTBranchContainer branch, Vector3 point, Vector3 normal)
{
branch.totalLength += ivyParameters.stepSize;
RTBranchPoint branchPoint = GetNextFreeBranchPoint();
branchPoint.SetValues(point + normal * branch.currentHeight, -normal);
branch.AddBranchPoint(branchPoint, ivyParameters.stepSize);
CalculateVerticesLastPoint(branch);
//Vector3 axis = GetLoopAxis(branchPoint, branch, rtIvyContainer, ivyGO);
//Vector3 firstVector = GetFirstVector(branchPoint, branch, rtIvyContainer, ivyParameters, axis);
//branchPoint.CalculateCenterLoop(ivyGO);
//branchPoint.CalculateVerticesLoop(ivyParameters, rtIvyContainer, ivyGO, firstVector, axis);
/*if(branch.branchPoints.Count >= 1)
* {
* branch.branchPoints[branch.branchPoints.Count - 2].CalculateVerticesLoop(ivyParameters, rtIvyContainer, ivyGO);
* }*/
if (Random.value < ivyParameters.branchProvability && rtIvyContainer.branches.Count < ivyParameters.maxBranchs)
{
AddBranch(branch, branch.GetLastBranchPoint(), branch.branchPoints[branch.branchPoints.Count - 1].point, normal);
}
if (ivyParameters.generateLeaves)
{
AddLeave(branch);
}
}
protected virtual void AddNextBranch(int branchNumber)
{
lastIdxActiveBranch++;
RTBranchContainer newBuildingBranch = activeBuildingBranches[lastIdxActiveBranch];
RTBranchContainer bakedBranch = rtIvyContainer.GetBranchContainerByBranchNumber(branchNumber);
newBuildingBranch.AddBranchPoint(bakedBranch.branchPoints[0], ivyParameters.stepSize);
newBuildingBranch.AddBranchPoint(bakedBranch.branchPoints[1], ivyParameters.stepSize);
newBuildingBranch.leavesOrderedByInitSegment = bakedBranch.leavesOrderedByInitSegment;
rtBuildingIvyContainer.AddBranch(newBuildingBranch);
activeBakedBranches.Add(bakedBranch);
activeBuildingBranches.Add(newBuildingBranch);
meshBuilder.activeBranches.Add(newBuildingBranch);
UpdateGrowingPoints(rtBuildingIvyContainer.branches.Count - 1);
RTBranchPoint lastBranchPoint = newBuildingBranch.GetLastBranchPoint();
if (lastBranchPoint.newBranch)
{
AddNextBranch(lastBranchPoint.newBranchNumber);
}
}
public Vector3 GetFirstVector(RTBranchPoint rtBranchPoint, RTBranchContainer rtBranchContainer,
RTIvyContainer rtIvyContainer, IvyParameters ivyParameters, Vector3 axis)
{
Vector3 firstVector = Vector3.zero;
if (rtBranchContainer.branchNumber == 0 && rtBranchPoint.index == 0)
{
if (!ivyParameters.halfgeom)
{
firstVector = rtIvyContainer.firstVertexVector;
}
else
{
firstVector = Quaternion.AngleAxis(90f, axis) * rtIvyContainer.firstVertexVector;
}
}
else
{
if (!ivyParameters.halfgeom)
{
firstVector = Vector3.Normalize(Vector3.ProjectOnPlane(rtBranchPoint.grabVector, axis));
}
else
{
firstVector = Quaternion.AngleAxis(90f, axis) * Vector3.Normalize(Vector3.ProjectOnPlane(rtBranchPoint.grabVector, axis));
}
}
return(firstVector);
}
//Si no encontramos muro en el paso anterior, entonces buscamos si tenemos suelo. tiramos el rayo y si da positivo, añadimos punto, calculamos growdirection y decimos al sistema que no estamos cayendo. Si por el contrario no
//hemos encontrado suelo, intenamos agarrarnos al otro lado de la posible esquina.
void CheckFloor(RTBranchContainer branch, RTBranchPoint potentialPoint, Vector3 oldSurfaceNormal)
{
Ray ray = new Ray(potentialPoint.point, -oldSurfaceNormal);
RaycastHit RC;
if (Physics.Raycast(ray, out RC, branch.currentHeight * 2f, ivyParameters.layerMask.value))
{
AddPoint(branch, RC.point, RC.normal);
NewGrowDirection(branch);
branch.fallIteration = 0f;
branch.falling = false;
}
else
{
if (Random.value < ivyParameters.grabProvabilityOnFall)
{
CheckCorner(branch, potentialPoint, oldSurfaceNormal);
}
else
{
AddFallingPoint(branch);
branch.fallIteration += 1f - ivyParameters.stiffness;
branch.falling = true;
branch.currentHeight = 0f;
branch.heightParameter = -45f;
}
}
}
private void BuildLeaves(int branchIndex, RTBranchContainer buildingBranchContainer,
RTBranchContainer bakedBranchContainer)
{
RTMeshData chosenLeaveMeshData;
int firstPointIdx = buildingBranchContainer.branchPoints.Count - backtrackingPoints;
firstPointIdx = Mathf.Clamp(firstPointIdx, 0, int.MaxValue);
for (int i = firstPointIdx; i < buildingBranchContainer.branchPoints.Count; i++)
{
RTLeafPoint[] leaves = bakedBranchContainer.leavesOrderedByInitSegment[i];
RTBranchPoint rtBranchPoint = buildingBranchContainer.branchPoints[i];
for (int j = 0; j < leaves.Length; j++)
{
RTLeafPoint currentLeaf = leaves[j];
if (currentLeaf == null)
{
continue;
}
float tipInfluenceFactor = Mathf.InverseLerp(buildingBranchContainer.totalLength,
(buildingBranchContainer.totalLength - ivyParameters.tipInfluence),
rtBranchPoint.length);
chosenLeaveMeshData = leavesMeshesByChosenLeaf[currentLeaf.chosenLeave];
//Metemos los triángulos correspondientes en el array correspondiente al material que estamos iterando
for (int t = 0; t < chosenLeaveMeshData.triangles[0].Length; t++)
{
int triangleValue = chosenLeaveMeshData.triangles[0][t] + vertCount;
int submesh = submeshByChoseLeaf[currentLeaf.chosenLeave];
buildingMeshData.AddTriangle(submesh, triangleValue);
}
for (int v = 0; v < currentLeaf.vertices.Length; v++)
{
Vector3 vertex = Vector3.LerpUnclamped(currentLeaf.leafCenter, currentLeaf.vertices[v].vertex, tipInfluenceFactor);
buildingMeshData.AddVertex(vertex, currentLeaf.vertices[v].normal, currentLeaf.vertices[v].uv, currentLeaf.vertices[v].color);
vertCountLeavesPerBranch[branchIndex]++;
vertCountsPerBranch[branchIndex]++;
vertCount++;
}
}
}
}
//public void PrepareRTLeavesDict()
//{
// dictRTLeavesByInitSegment = new Dictionary<int, List<RTLeafPoint>>();
// for (int i = 0; i < branchPoints.Count; i++)
// {
// List<RTLeafPoint> leaves = new List<RTLeafPoint>();
// GetLeavesInSegment(branchPoints[i], leaves);
// dictRTLeavesByInitSegment[i] = leaves;
// }
//}
//public void UpdateLeavesDictEntry(int initSegmentIndex, RTLeafPoint leafAdded)
//{
// if(leavesOrderedByInitSegment.Count > initSegmentIndex)
// {
// leavesOrderedByInitSegment[initSegmentIndex] = leafAdded;
// }
// else
// {
// leavesOrderedByInitSegment[initSegmentIndex].Add(leafAdded);
// }
//}
public void AddBranchPoint(RTBranchPoint rtBranchPoint, float deltaLength)
{
this.totalLength += deltaLength;
rtBranchPoint.length = this.totalLength;
rtBranchPoint.index = branchPoints.Count;
rtBranchPoint.branchContainer = this;
branchPoints.Add(rtBranchPoint);
}
private void CalculateVerticesLastPoint(RTBranchContainer rtBranchContainer)
{
if (rtBranchContainer.branchPoints.Count > 1)
{
RTBranchPoint branchPoint = rtBranchContainer.branchPoints[rtBranchContainer.branchPoints.Count - 2];
float radius = CalculateRadius(branchPoint.length);
Vector3 axis = GetLoopAxis(branchPoint, rtBranchContainer, rtIvyContainer, ivyGO);
Vector3 firstVector = GetFirstVector(branchPoint, rtBranchContainer, rtIvyContainer, ivyParameters, axis);
branchPoint.CalculateCenterLoop(ivyGO);
branchPoint.CalculateVerticesLoop(ivyParameters, rtIvyContainer, ivyGO, firstVector, axis, radius);
}
}
public void SetValues(Vector3 point, float lpLength, Vector3 lpForward, Vector3 lpUpward,
int chosenLeave, RTBranchPoint initSegment, RTBranchPoint endSegment, float leafScale, IvyParameters ivyParameters)
{
this.point = point;
this.lpLength = lpLength;
this.lpForward = lpForward;
this.lpUpward = lpUpward;
this.chosenLeave = chosenLeave;
this.initSegmentIdx = initSegment.index;
this.endSegmentIdx = endSegment.index;
this.leafScale = leafScale;
this.left = Vector3.Cross(lpForward, lpUpward).normalized;
CalculateLeafRotation(ivyParameters);
}
private void UpdateGrowingPoints(int branchIndex)
{
if (rtBuildingIvyContainer.branches[branchIndex].branchPoints.Count > 0)
{
RTBranchPoint fromPoint = rtBuildingIvyContainer.branches[branchIndex].GetLastBranchPoint();
if (fromPoint.index < activeBakedBranches[branchIndex].branchPoints.Count - 1)
{
RTBranchPoint nextPoint = activeBakedBranches[branchIndex].branchPoints[fromPoint.index + 1];
growingFactorPerBranch[branchIndex] = 0f;
srcPoints[branchIndex] = fromPoint.point;
dstPoints[branchIndex] = nextPoint.point;
srcTotalLengthPerBranch[branchIndex] = fromPoint.length;
dstTotalLengthPerBranch[branchIndex] = fromPoint.length + ivyParameters.stepSize;
}
}
}
protected virtual void NextPoints(int branchIndex)
{
if (rtBuildingIvyContainer.branches[branchIndex].branchPoints.Count > 0)
{
RTBranchPoint lastBuildingBranchPoint = rtBuildingIvyContainer.branches[branchIndex].GetLastBranchPoint();
if (lastBuildingBranchPoint.index < activeBakedBranches[branchIndex].branchPoints.Count - 1)
{
int indexBranchPoint = lastBuildingBranchPoint.index;
indexBranchPoint++;
RTBranchPoint branchPoint = activeBakedBranches[branchIndex].branchPoints[indexBranchPoint];
RTBranchContainer branch = rtBuildingIvyContainer.branches[branchIndex];
branch.AddBranchPoint(branchPoint, ivyParameters.stepSize);
if (branchPoint.newBranch)
{
RTBranchContainer candidateBranch = rtIvyContainer.GetBranchContainerByBranchNumber(branchPoint.newBranchNumber);
if (candidateBranch.branchPoints.Count >= 2)
{
AddNextBranch(branchPoint.newBranchNumber);
}
}
UpdateGrowingPoints(branchIndex);
if (rtBuildingIvyContainer.branches[branchIndex].branchPoints.Count > backtrackingPoints)
{
if (!IsVertexLimitReached())
{
meshBuilder.CheckCopyMesh(branchIndex, activeBakedBranches);
refreshProcessedMesh = true;
}
else
{
Debug.LogWarning("Limit vertices reached! --> " + Constants.VERTEX_LIMIT_16 + " vertices", meshBuilder.ivyGO);
}
}
}
}
}
//Algoritmo de refinamiento Se va ejecutando sobre la marcha, buscando angulos demasiado poco pronunciados y refinándolos o puntos demasiado juntos y eliminando puntos para evitar nudos
/* void Refine(BranchContainer branch)
* {
* if (branch.branchPoints.Count > 3)
* {
* if (Vector3.Distance(branch.branchPoints[branch.branchPoints.Count - 2].point, branch.branchPoints[branch.branchPoints.Count - 3].point) < ivyParameters.stepSize * 0.7f ||
* Vector3.Distance(branch.branchPoints[branch.branchPoints.Count - 2].point, branch.branchPoints[branch.branchPoints.Count - 1].point) < ivyParameters.stepSize * 0.7f)
* {
* branch.RemoveBranchPoint(branch.branchPoints.Count - 2);
*
* //branch.grabVectors.RemoveAt (branch.branchPoints.Count - 2);
*
* }
*
* if (Vector3.Angle(branch.branchPoints[branch.branchPoints.Count - 1].point - branch.branchPoints[branch.branchPoints.Count - 2].point, branch.branchPoints[branch.branchPoints.Count - 2].point - branch.branchPoints[branch.branchPoints.Count - 3].point) > 25f)
* {
* Vector3 last = branch.branchPoints[branch.branchPoints.Count - 1].point - branch.branchPoints[branch.branchPoints.Count - 2].point;
* Vector3 preLast = branch.branchPoints[branch.branchPoints.Count - 3].point - branch.branchPoints[branch.branchPoints.Count - 2].point;
*
* //BranchPoint branchPoint01 = branch.branchPoints[branch.branchPoints.Count - 2];
* branch.InsertBranchPoint(branch.branchPoints[branch.branchPoints.Count - 2].point + preLast / 2f,
* branch.branchPoints[branch.branchPoints.Count - 2].grabVector,
* branch.branchPoints.Count - 2);
*
* //branch.grabVectors.Insert(branch.grabVectors.Count - 2, ,branch.grabVectors[branch.grabVectors.Count-2]);
*
*
* branch.InsertBranchPoint(branch.branchPoints[branch.branchPoints.Count - 2].point + last / 2f,
* branch.branchPoints[branch.branchPoints.Count - 2].grabVector,
* branch.branchPoints.Count - 1);
*
* //branch.grabVectors.Insert(branch.grabVectors.Count - 1, branch.grabVectors[branch.grabVectors.Count-2]);
*
*
* branch.RemoveBranchPoint(branch.branchPoints.Count - 3);
* //branch.grabVectors.RemoveAt (branch.branchPoints.Count - 3);
*
* }
* }
* } */
private RTBranchPoint GetNextFreeBranchPoint()
{
RTBranchPoint res = branchPointsPool[branchPointPoolIndex];
branchPointPoolIndex++;
if (branchPointPoolIndex >= branchPointsPool.Length)
{
System.Array.Resize(ref branchPointsPool, branchPointsPool.Length * 2);
for (int i = branchPointPoolIndex; i < branchPointsPool.Length; i++)
{
RTBranchPoint branchPoint = new RTBranchPoint();
branchPoint.PreInit(ivyParameters);
branchPointsPool[i] = branchPoint;
}
}
return(res);
}
//Todo lo necesario para añadir una rama
public void AddBranch(RTBranchContainer branch, RTBranchPoint originBranchPoint, Vector3 point, Vector3 normal)
{
RTBranchContainer newBranchContainer = GetNextBranchContainer();
RTBranchPoint nextPoint = GetNextFreeBranchPoint();
nextPoint.SetValues(point, -normal);
newBranchContainer.AddBranchPoint(nextPoint, ivyParameters.stepSize);
newBranchContainer.growDirection = Vector3.Normalize(Vector3.ProjectOnPlane(branch.growDirection, normal));
newBranchContainer.randomizeHeight = Random.Range(4f, 8f);
newBranchContainer.currentHeight = branch.currentHeight;
newBranchContainer.heightParameter = branch.heightParameter;
newBranchContainer.branchSense = ChooseBranchSense();
rtIvyContainer.AddBranch(newBranchContainer);
originBranchPoint.InitBranchInThisPoint(newBranchContainer.branchNumber);
}
//Si hábíamos perdido pie, comprobamos si estamos en una esquina e intentamos seguir por el otro lado de lamisma
void CheckCorner(RTBranchContainer branch, RTBranchPoint potentialPoint, Vector3 oldSurfaceNormal)
{
Ray ray = new Ray(potentialPoint.point + branch.branchPoints[branch.branchPoints.Count - 1].grabVector * 2f * branch.currentHeight, -branch.growDirection);
RaycastHit RC;
if (Physics.Raycast(ray, out RC, ivyParameters.stepSize * 1.15f, ivyParameters.layerMask.value))
{
AddPoint(branch, potentialPoint.point, oldSurfaceNormal);
AddPoint(branch, RC.point, RC.normal);
NewGrowDirectionAfterCorner(branch, oldSurfaceNormal, RC.normal);
}
else
{
AddFallingPoint(branch);
branch.fallIteration += 1f - ivyParameters.stiffness;
branch.falling = true;
branch.currentHeight = 0f;
branch.heightParameter = -45f;
}
}
//Todo lo necesario para añadir una nueva hoja
void AddLeave(RTBranchContainer branch)
{
if (branch.branchPoints.Count % (ivyParameters.leaveEvery + Random.Range(0, ivyParameters.randomLeaveEvery)) == 0)
{
int chosenLeaf = Random.Range(0, ivyParameters.leavesPrefabs.Length);
RTBranchPoint initSegment = branch.branchPoints[branch.branchPoints.Count - 2];
RTBranchPoint endSegment = branch.branchPoints[branch.branchPoints.Count - 1];
Vector3 leafPoint = Vector3.Lerp(initSegment.point, endSegment.point, 0.5f);
float leafScale = Random.Range(ivyParameters.minScale, ivyParameters.maxScale);
RTLeafPoint leafAdded = GetNextLeafPoint();
leafAdded.SetValues(leafPoint, branch.totalLength, branch.growDirection,
-branch.GetLastBranchPoint().grabVector, chosenLeaf, initSegment, endSegment, leafScale, ivyParameters);
RTMeshData leafMeshData = leavesMeshesByChosenLeaf[leafAdded.chosenLeave];
leafAdded.CreateVertices(ivyParameters, leafMeshData, ivyGO);
branch.AddLeaf(leafAdded);
}
}
public Vector3 GetLoopAxis(RTBranchPoint rtBranchPoint, RTBranchContainer rtBranchContainer, RTIvyContainer rtIvyContainer, GameObject ivyGo)
{
Vector3 axis = Vector3.zero;
if (rtBranchPoint.index == 0 && rtBranchContainer.branchNumber == 0)
{
axis = ivyGo.transform.up;
}
else
{
if (rtBranchPoint.index == 0)
{
axis = rtBranchPoint.GetNextPoint().point - rtBranchPoint.point;
}
else
{
axis = Vector3.Normalize(Vector3.Lerp(rtBranchPoint.point - rtBranchPoint.GetPreviousPoint().point,
rtBranchPoint.GetNextPoint().point - rtBranchPoint.point, 0.5f));
}
}
return(axis);
}
//Añadimos punto y todo lo que ello conlleva. Es ligeramente diferente a AddPoint. Está la posibilidad de spawnear una rama
void AddFallingPoint(RTBranchContainer branch)
{
Vector3 grabVector = branch.rotationOnFallIteration * branch.GetLastBranchPoint().grabVector;
RTBranchPoint branchPoint = GetNextFreeBranchPoint();
branchPoint.point = branch.branchPoints[branch.branchPoints.Count - 1].point + branch.growDirection * ivyParameters.stepSize;
branchPoint.grabVector = grabVector;
branch.AddBranchPoint(branchPoint, ivyParameters.stepSize);
CalculateVerticesLastPoint(branch);
//Vector3 axis = GetLoopAxis(branchPoint, branch, rtIvyContainer, ivyGO);
//Vector3 firstVector = GetFirstVector(branchPoint, branch, rtIvyContainer, ivyParameters, axis);
//branchPoint.CalculateCenterLoop(ivyGO);
//branchPoint.CalculateVerticesLoop(ivyParameters, rtIvyContainer, ivyGO, firstVector, axis);
/*if (branch.branchPoints.Count >= 1)
* {
* branch.branchPoints[branch.branchPoints.Count - 2].CalculateVerticesLoop(ivyParameters, rtIvyContainer, ivyGO);
* }*/
if (Random.value < ivyParameters.branchProvability && rtIvyContainer.branches.Count < ivyParameters.maxBranchs)
{
AddBranch(branch, branch.GetLastBranchPoint(), branch.branchPoints[branch.branchPoints.Count - 1].point, -branch.GetLastBranchPoint().grabVector);
}
if (ivyParameters.generateLeaves)
{
AddLeave(branch);
}
}
//Definimos el punto a checkear y la dirección a él. Tiramos un raycast y si está libre buscamos el suelo. Si por el contrario topamos con un muro, añadimos un punto y calculamos una nueva growdirection
void CheckWall(RTBranchContainer branch)
{
RTBranchPoint checkPoint = GetNextFreeBranchPoint();
checkPoint.point = branch.GetLastBranchPoint().point + branch.growDirection * ivyParameters.stepSize + branch.GetLastBranchPoint().grabVector *branch.deltaHeight;
checkPoint.index = branch.branchPoints.Count;
//checkPoint.length = 0f;
Vector3 direction = checkPoint.point - branch.GetLastBranchPoint().point;
Ray ray = new Ray(branch.branchPoints[branch.branchPoints.Count - 1].point, direction);
RaycastHit RC;
if (!Physics.Raycast(ray, out RC, ivyParameters.stepSize * 1.15f, ivyParameters.layerMask.value))
{
CheckFloor(branch, checkPoint, -branch.GetLastBranchPoint().grabVector);
}
else
{
NewGrowDirectionAfterWall(branch, -branch.GetLastBranchPoint().grabVector, RC.normal);
AddPoint(branch, RC.point, RC.normal);
}
}
public RTBranchPoint GetPreviousPoint()
{
RTBranchPoint res = branchContainer.branchPoints[this.index - 1];
return(res);
}
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++;
}
}
}
}
public RTBranchPoint GetLastBranchPoint()
{
RTBranchPoint res = branchPoints[branchPoints.Count - 1];
return(res);
}
public RTBranchContainer(BranchContainer branchContainer, IvyParameters ivyParameters, RTIvyContainer rtIvyContainer,
GameObject ivyGO, RTMeshData[] leavesMeshesByChosenLeaf)
{
this.totalLength = branchContainer.totalLenght;
this.growDirection = branchContainer.growDirection;
this.randomizeHeight = branchContainer.randomizeHeight;
this.heightVar = branchContainer.heightVar;
this.newHeight = branchContainer.newHeight;
this.heightParameter = branchContainer.heightParameter;
this.deltaHeight = branchContainer.deltaHeight;
this.currentHeight = branchContainer.currentHeight;
this.branchSense = branchContainer.branchSense;
this.falling = branchContainer.falling;
this.rotationOnFallIteration = branchContainer.rotationOnFallIteration;
this.branchNumber = branchContainer.branchNumber;
this.branchPoints = new List <RTBranchPoint>(branchContainer.branchPoints.Count);
for (int i = 0; i < branchContainer.branchPoints.Count; i++)
{
RTBranchPoint rtBranchPoint = new RTBranchPoint(branchContainer.branchPoints[i], this);
rtBranchPoint.CalculateCenterLoop(ivyGO);
rtBranchPoint.PreInit(ivyParameters);
rtBranchPoint.CalculateVerticesLoop(ivyParameters, rtIvyContainer, ivyGO);
this.branchPoints.Add(rtBranchPoint);
}
branchContainer.PrepareRTLeavesDict();
if (ivyParameters.generateLeaves)
{
this.leavesOrderedByInitSegment = new RTLeafPoint[branchPoints.Count][];
for (int i = 0; i < branchPoints.Count; i++)
{
List <LeafPoint> leavesToBake = branchContainer.dictRTLeavesByInitSegment[i];
int numLeaves = 0;
if (leavesToBake != null)
{
numLeaves = leavesToBake.Count;
}
this.leavesOrderedByInitSegment[i] = new RTLeafPoint[numLeaves];
for (int j = 0; j < numLeaves; j++)
{
RTLeafPoint rtLeafPoint = new RTLeafPoint(leavesToBake[j], ivyParameters);
RTMeshData leafMeshData = leavesMeshesByChosenLeaf[rtLeafPoint.chosenLeave];
rtLeafPoint.CreateVertices(ivyParameters, leafMeshData, ivyGO);
this.leavesOrderedByInitSegment[i][j] = rtLeafPoint;
}
}
}
}
public void Init(RTIvyContainer ivyContainer, IvyParameters ivyParameters,
GameObject ivyGO, RTMeshData[] leavesMeshesByChosenLeaf,
int numPoints, int numLeaves, int maxNumVerticesPerLeaf)
{
this.rtIvyContainer = ivyContainer;
this.ivyParameters = ivyParameters;
this.ivyGO = ivyGO;
this.leavesMeshesByChosenLeaf = leavesMeshesByChosenLeaf;
this.numPoints = numPoints;
this.numLeaves = numLeaves;
this.maxNumVerticesPerLeaf = maxNumVerticesPerLeaf;
this.branchPointsPool = new RTBranchPoint[numPoints];
this.branchPointPoolIndex = 0;
for (int i = 0; i < numPoints; i++)
{
RTBranchPoint branchPoint = new RTBranchPoint();
branchPoint.PreInit(ivyParameters);
branchPointsPool[i] = branchPoint;
}
this.leavesPool = new RTLeafPoint[numLeaves];
this.leavesPoolIndex = 0;
for (int i = 0; i < numLeaves; i++)
{
RTLeafPoint leafPoint = new RTLeafPoint();
leafPoint.PreInit(maxNumVerticesPerLeaf);
leavesPool[i] = leafPoint;
}
this.branchesPool = new RTBranchContainer[ivyParameters.maxBranchs];
for (int i = 0; i < ivyParameters.maxBranchs; i++)
{
this.branchesPool[i] = new RTBranchContainer(numPoints, numLeaves);
}
Random.InitState(System.Environment.TickCount);
RTBranchContainer firstBranch = GetNextBranchContainer();
ivyContainer.AddBranch(firstBranch);
RTBranchPoint nextRTBranchPoint = GetNextFreeBranchPoint();
nextRTBranchPoint.SetValues(ivyGO.transform.position, -ivyGO.transform.up, false, 0);
firstBranch.AddBranchPoint(nextRTBranchPoint, ivyParameters.stepSize);
CalculateVerticesLastPoint(firstBranch);
//Vector3 axis = GetLoopAxis(nextRTBranchPoint, firstBranch, rtIvyContainer, ivyGO);
//Vector3 firstVector = GetFirstVector(nextRTBranchPoint, firstBranch, rtIvyContainer, ivyParameters, axis);
//nextRTBranchPoint.CalculateCenterLoop(ivyGO);
//nextRTBranchPoint.CalculateVerticesLoop(ivyParameters, rtIvyContainer, ivyGO, firstVector, axis);
ivyContainer.branches[0].growDirection = Quaternion.AngleAxis(Random.value * 360f, ivyGO.transform.up) *
ivyGO.transform.forward;
ivyContainer.firstVertexVector = ivyContainer.branches[0].growDirection;
ivyContainer.branches[0].randomizeHeight = Random.Range(4f, 8f);
CalculateNewHeight(ivyContainer.branches[0]);
ivyContainer.branches[0].branchSense = ChooseBranchSense();
randomstate = Random.state;
}
public RTBranchPoint GetNextPoint()
{
RTBranchPoint res = branchContainer.branchPoints[this.index + 1];
return(res);
}
public void BuildGeometry02(List <RTBranchContainer> activeBakedBranches,
List <RTBranchContainer> activeBuildingBranches)
{
if (!ivyParameters.halfgeom)
{
angle = Mathf.Rad2Deg * 2 * Mathf.PI / ivyParameters.sides;
}
else
{
angle = Mathf.Rad2Deg * 2 * Mathf.PI / ivyParameters.sides / 2;
}
if (leavesDataInitialized)
{
ClearTipMesh();
//Recorremos cada rama y definimos el primer vértice que tenemos que escribir del array, recogido del vertcount actualizado en la iteración anterior
for (int b = 0; b < rtIvyContainer.branches.Count; b++)
{
int firstVertex = vertCount;
RTBranchContainer currentBranch = activeBuildingBranches[b];
if (currentBranch.branchPoints.Count > 1)
{
lastVertCount = 0;
//Recorremos cada punto de la rama hasta el penúltimo
int initIndexPoint = currentBranch.branchPoints.Count - backtrackingPoints;
initIndexPoint = Mathf.Clamp(initIndexPoint, 0, int.MaxValue);
int endIndexPoint = currentBranch.branchPoints.Count;
for (int p = initIndexPoint; p < endIndexPoint; p++)
{
RTBranchPoint currentBranchPoint = currentBranch.branchPoints[p];
Vector3 centerLoop = ivyGO.transform.InverseTransformPoint(currentBranchPoint.point);
Vector3 vertex = zeroVector3;
Vector3 normal = zeroVector3;
Vector2 uv = zeroVector2;
Vector2 uv2 = zeroVector2;
Color vertexColor = blackColor;
float tipInfluenceFactor = Mathf.InverseLerp(currentBranch.totalLength,
currentBranch.totalLength - ivyParameters.tipInfluence,
currentBranchPoint.length);
if (p < currentBranch.branchPoints.Count - 1)
{
for (int i = 0; i < currentBranchPoint.verticesLoop.Length; i++)
{
if (ivyParameters.generateBranches)
{
vertex = Vector3.LerpUnclamped(currentBranchPoint.centerLoop, currentBranchPoint.verticesLoop[i].vertex, tipInfluenceFactor);
buildingMeshData.AddVertex(vertex, currentBranchPoint.verticesLoop[i].normal, currentBranchPoint.verticesLoop[i].uv,
currentBranchPoint.verticesLoop[i].color);
vertCountsPerBranch[b]++;
vertCount++;
lastVertCount++;
}
}
}
else
{
vertex = centerLoop;
normal = Vector3.Normalize(currentBranchPoint.point - currentBranchPoint.GetPreviousPoint().point);
normal = ivyGO.transform.InverseTransformVector(normal);
uv = currentBranch.GetLastUV(ivyParameters);
buildingMeshData.AddVertex(vertex, normal, uv, Color.black);
vertCountsPerBranch[b]++;
vertCount++;
lastVertCount++;
}
}
SetTriangles(currentBranch, vertCount, initIndexPoint, b);
}
fromTo[0] = firstVertex;
fromTo[1] = vertCount - 1;
if (ivyParameters.generateLeaves)
{
BuildLeaves(b, activeBuildingBranches[b], activeBakedBranches[b]);
}
}
RefreshMesh();
}
}