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);
}
public void CalculateVerticesLoop(IvyParameters ivyParameters, RTIvyContainer rtIvyContainer, GameObject ivyGO, Vector3 firstVector, Vector3 axis, float radius)
{
this.firstVector = firstVector;
this.axis = axis;
this.radius = radius;
CalculateVerticesLoop(ivyParameters, rtIvyContainer, ivyGO);
}
public void CalculateVerticesLoop(IvyParameters ivyParameters, RTIvyContainer rtIvyContainer, GameObject ivyGO)
{
float angle = 0f;
if (!ivyParameters.halfgeom)
{
angle = Mathf.Rad2Deg * 2 * Mathf.PI / ivyParameters.sides;
}
else
{
angle = Mathf.Rad2Deg * 2 * Mathf.PI / ivyParameters.sides / 2;
}
Vector3 vertex = Vector3.zero;
Vector3 normal = Vector3.zero;
Vector2 uv = Vector2.zero;
Quaternion quat = Quaternion.identity;
Vector3 direction = Vector3.zero;
Quaternion inverseIvyGORotation = Quaternion.Inverse(ivyGO.transform.rotation);
for (int i = 0; i < ivyParameters.sides + 1; i++)
{
quat = Quaternion.AngleAxis(angle * i, axis);
direction = quat * firstVector;
if (ivyParameters.halfgeom && ivyParameters.sides == 1)
{
normal = -grabVector;
}
else
{
normal = direction;
}
normal = inverseIvyGORotation * normal;
vertex = direction * radius + point;
vertex -= ivyGO.transform.position;
vertex = inverseIvyGORotation * vertex;
uv = new Vector2(length * ivyParameters.uvScale.y + ivyParameters.uvOffset.y - ivyParameters.stepSize,
1f / ivyParameters.sides * i * ivyParameters.uvScale.x + ivyParameters.uvOffset.x);
verticesLoop[i] = new RTVertexData(vertex, normal, uv, Vector2.zero, Color.black);
}
}
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);
}
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 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 InitIvy(RuntimeGrowthParameters growthParameters, IvyContainer ivyContainer,
* IvyParameters ivyParameters)
* {
* this.growthParameters = growthParameters;
* Init(ivyContainer, ivyParameters);
* AddFirstBranch();
* } */
protected virtual void Init(IvyContainer ivyContainer, IvyParameters ivyParameters)
{
this.rtIvyContainer = new RTIvyContainer();
this.ivyParameters = new IvyParameters();
this.ivyParameters.CopyFrom(ivyParameters);
CreateLeavesDict();
if (ivyContainer != null)
{
this.rtIvyContainer.Initialize(ivyContainer, ivyParameters, gameObject,
leavesMeshesByChosenLeaf, ivyContainer.firstVertexVector);
}
else
{
this.rtIvyContainer.Initialize();
}
SetUpMaxBranches(ivyContainer);
activeBakedBranches = new List <RTBranchContainer>(maxBranches);
activeBuildingBranches = new List <RTBranchContainer>(maxBranches);
rtBuildingIvyContainer = new RTIvyContainer();
Vector3 firstVertexVector = ivyContainer == null?CalculateFirstVertexVector() : ivyContainer.firstVertexVector;
rtBuildingIvyContainer.Initialize(firstVertexVector);
lastIdxActiveBranch = -1;
leafLengthCorrrectionFactor = 1;
int submeshCount = ivyParameters.leavesPrefabs.Length + 1;
this.processedMesh = new Mesh();
processedMesh.subMeshCount = submeshCount;
mfProcessedMesh.sharedMesh = processedMesh;
this.refreshProcessedMesh = false;
this.backtrackingPoints = GetBacktrackingPoints();
if (this.bakedMesh == null)
{
this.bakedMesh = new Mesh();
this.bakedMesh.subMeshCount = submeshCount;
}
/* meshBuilder = new RTBakedMeshBuilder(rtIvyContainer, gameObject);
* meshBuilder.InitializeMeshBuilder(ivyParameters, rtBuildingIvyContainer, rtIvyContainer,
* gameObject, bakedMesh, meshRenderer, meshFilter, maxBranches,
* processedMesh, growthParameters.growthSpeed, mrProcessedMesh,
* backtrackingPoints, submeshByChoseLeaf, leavesMeshesDict, leavesMaterials.ToArray()); */
lastCopiedIndexPerBranch = new List <int>(maxBranches);
leavesToCopyMesh = new List <LeafPoint>(50);
srcPoints = new List <Vector3>(maxBranches);
dstPoints = new List <Vector3>(maxBranches);
growingFactorPerBranch = new List <float>(maxBranches);
srcTotalLengthPerBranch = new List <float>(maxBranches);
dstTotalLengthPerBranch = new List <float>(maxBranches);
lengthPerBranch = new List <float>(maxBranches);
for (int i = 0; i < maxBranches; i++)
{
srcPoints.Add(Vector3.zero);
dstPoints.Add(Vector3.zero);
growingFactorPerBranch.Add(0f);
srcTotalLengthPerBranch.Add(0f);
dstTotalLengthPerBranch.Add(0f);
lastCopiedIndexPerBranch.Add(-1);
lengthPerBranch.Add(0f);
int branchPointsSize = GetMaxNumPoints();
int numLeaves = GetMaxNumLeaves();
RTBranchContainer branchContainer = new RTBranchContainer(branchPointsSize, numLeaves);
activeBuildingBranches.Add(branchContainer);
}
}
public void InitializeMeshBuilder(IvyParameters ivyParameters, RTIvyContainer ivyContainer,
RTIvyContainer bakedIvyContainer, GameObject ivyGO, Mesh bakedMesh, MeshRenderer meshRenderer,
MeshFilter meshFilter, int numBranches, Mesh processedMesh, float growSpeed, MeshRenderer mrProcessedMesh,
int backtrackingPoints, int[] submeshByChoseLeaf, RTMeshData[] leavesMeshesByChosenLeaf, Material[] materials)
{
this.ivyParameters = ivyParameters;
this.rtIvyContainer = ivyContainer;
this.rtBakedIvyContainer = bakedIvyContainer;
this.ivyGO = ivyGO;
this.meshRenderer = meshRenderer;
this.meshFilter = meshFilter;
this.processedMesh = processedMesh;
this.processedMesh.indexFormat = UnityEngine.Rendering.IndexFormat.UInt16;
this.mrProcessedMesh = mrProcessedMesh;
this.submeshByChoseLeaf = submeshByChoseLeaf;
this.leavesMeshesByChosenLeaf = leavesMeshesByChosenLeaf;
activeBranches = new List <RTBranchContainer>();
this.fromTo = new int[2];
this.vectors = new Vector3[2];
this.growthSpeed = growSpeed;
this.backtrackingPoints = backtrackingPoints;
this.submeshCount = meshRenderer.sharedMaterials.Length;
vertCountsPerBranch = new int[numBranches];
lastTriangleIndexPerBranch = new int[numBranches];
vertCountLeavesPerBranch = new int[numBranches];
processedVerticesIndicesPerBranch = new List <List <int> >(numBranches);
processedBranchesVerticesIndicesPerBranch = new List <List <int> >(numBranches);
for (int i = 0; i < numBranches; i++)
{
processedVerticesIndicesPerBranch.Add(new List <int>());
processedBranchesVerticesIndicesPerBranch.Add(new List <int>());
}
this.vertCount = 0;
ivyMesh = new Mesh();
ivyMesh.subMeshCount = submeshCount;
ivyMesh.name = Constants.IVY_MESH_NAME;
meshFilter.mesh = ivyMesh;
ivyGO.GetComponent <MeshRenderer>().sharedMaterials = materials;
mrProcessedMesh.sharedMaterials = materials;
leavesDataInitialized = true;
ivyGoPosition = ivyGO.transform.position;
ivyGoRotation = ivyGO.transform.rotation;
ivyGoInverseRotation = Quaternion.Inverse(ivyGO.transform.rotation);
zeroVector3 = Vector3.zero;
zeroVector2 = Vector2.zero;
blackColor = Color.black;
}
public RTBakedMeshBuilder(RTIvyContainer ivyContainer, GameObject ivyGo)
{
this.rtIvyContainer = ivyContainer;
this.ivyGO = ivyGo;
}