// 5.2. - 5.6. recursively fitting a straight or quadratic line segment on this sequence of path nodes,
// called from tracepath()
// Returns a segment (a list of those doubles is a segment).
public static IEnumerable <Segment> Fit(IReadOnlyList <InterpolationPoint> path, SequenceIndices sequence, Tracing tracing, SvgRendering rendering)
{
var pathLength = path.Count;
// return if invalid sequence.End
// TODO: When would this ever happen?
if ((sequence.End > pathLength) || (sequence.End < 0))
{
yield break;
}
// TODO: This is actually the number of line segments in the sequence. Not the number of points in the sequence.
var sequenceLength = sequence.End - sequence.Start;
sequenceLength += sequenceLength < 0 ? pathLength : 0;
int errorIndex;
var lineResult = LineSegment.Fit(path, tracing.LTres, sequence, sequenceLength, out errorIndex, rendering);
if (lineResult != null)
{
yield return(lineResult);
yield break;
}
// 5.3. If the straight line fails (an error>ltreshold), find the point with the biggest error
var fitIndex = errorIndex;
var splineResult = SplineSegment.Fit(path, tracing.QTres, sequence, sequenceLength, ref errorIndex, rendering);
if (splineResult != null)
{
yield return(splineResult);
yield break;
}
// 5.5. If the spline fails (an error>qtreshold), find the point with the biggest error,
var splitIndex = (fitIndex + errorIndex) / 2;
// 5.6. Split sequence and recursively apply 5.2. - 5.6. to startpoint-splitpoint and splitpoint-endpoint sequences
foreach (var segmentPart in Fit(path, new SequenceIndices {
Start = sequence.Start, End = splitIndex
}, tracing, rendering))
{
yield return(segmentPart);
}
foreach (var segmentPart in Fit(path, new SequenceIndices {
Start = splitIndex, End = sequence.End
}, tracing, rendering))
{
yield return(segmentPart);
}
}
private void GenerateSplinePlanes(float planeGive, SplineSegment mainSpline, out Plane startPlane, out Plane endPlane)
{
var startNodePos = mainSpline.FirstControlPoint.Position;
var startNodeControl = NodeConnection.ThisNode.GetNodeControl(NodeConnection.NextNode).Flatten().normalized;
startPlane = new Plane(startNodeControl, startNodePos + startNodeControl * planeGive);
var endNodePos = mainSpline.SecondControlPoint.Position;
var endNodeControl = NodeConnection.NextNode.GetNodeControl(NodeConnection.ThisNode).Flatten().normalized;
endPlane = new Plane(endNodeControl, endNodePos + endNodeControl * planeGive);
}
public void EnterSplineSegment(int previousSplineExitPoint, SplineComputer spline, int entryPoint, Spline.Direction direction)
{
if (!isEngine)
{
return;
}
if (back != null)
{
segment.end = previousSplineExitPoint;
back.segment = segment;
}
segment = new SplineSegment(spline, entryPoint, direction);
}
public Vector3 GetTangent(int segidx, float segpos)
{
SplineSegment ss = mSegments[segidx];
if (Reparam == ReparamType.None)
{
return(GetTangent(ss, segpos / ss.mLength));
}
else
{
return(GetTangent(ss, GetReparam(ss, segpos / ss.mLength)));
}
}
private void OnSplineUpdate(SplineUpdateInfo inInfo)
{
Vector3 diff = inInfo.Point - transform.position;
transform.position = inInfo.Point;
float speed = diff.magnitude / Routine.DeltaTime;
Debug.Log("Speed: " + speed.ToString());
SplineSegment seg = inInfo.GetSegment();
GetComponent <SpriteRenderer>().color =
Color.Lerp((Color)inInfo.Spline.GetVertexUserData(seg.VertexA), (Color)inInfo.Spline.GetVertexUserData(seg.VertexB), seg.Interpolation);
}
public Vector3 GetPositionByT(int segidx, float t, out float offset)
{
SplineSegment ss = mSegments[segidx];
offset = ss.mStartlen + ss.mLength * t;
if (Reparam == ReparamType.None)
{
return(GetPosition(ss, t));
}
else
{
return(GetPosition(ss, GetReparam(ss, t)));
}
}
void ApplyOffset()
{
if (isEngine)
{
ResetSegments();
return;
}
float totalMoved = 0f, moved = 0f;
double start = front.tracer.UnclipPercent(front.tracer.result.percent);
//Travel backwards along the front wagon's spline
Spline.Direction inverseDirection = front.segment.direction;
InvertDirection(ref inverseDirection);
SplineComputer spline = front.segment.spline;
double percent = front.segment.Travel(start, offset, inverseDirection, out moved, front.segment.spline.isClosed);
totalMoved += moved;
//Finalize if moved fully without reaching a spline end or a junction
if (Mathf.Approximately(totalMoved, offset))
{
if (segment != front.segment)
{
if (back != null)
{
back.segment = segment;
}
}
if (segment != front.segment)
{
segment = front.segment;
}
ApplyTracer(spline, percent, front.tracer.direction);
return;
}
//Otherwise, move along the current recorded spline segment
if (segment != front.segment)
{
inverseDirection = segment.direction;
InvertDirection(ref inverseDirection);
spline = segment.spline;
percent = segment.Travel(offset - totalMoved, inverseDirection, out moved, segment.spline.isClosed);
totalMoved += moved;
}
ApplyTracer(spline, percent, segment.direction);
}
protected float GetLength(SplineSegment ss)
{
float len = 0;
Vector3 start, end;
float t = 0, dt = 1 / (float)StepCount;
int idx = 0;
start = ss.mStartpos;
while (idx < StepCount)
{
t += dt;
end = GetPosition(ss, t);
len += (end - start).magnitude;
start = end;
++idx;
}
return(len);
}
public SplineSegment GetSpline(bool recalculate = false, bool applyModifiers = true)
{
if (recalculate)
{
RecalculateSpline();
}
if (applyModifiers)
{
foreach (var connectionComponent in Components)
{
var splineMod = connectionComponent as ISplineModifier;
if (splineMod != null)
{
_spline = splineMod.ProcessSpline(_spline);
}
}
}
return(_spline);
}
private void Temp(Color c, SplineNode node, SplineSegment segment)
{
int depth = segment.Depth();
if (depth == _depth | viewAllNodes)
{
if (segment.ChildCount <= 0)
{
Handles.color = c.Whitten(.3f);
Handles.DrawDottedLine(node.PositionStart, segment.GlobalPosition(), 2f);
Handles.color = c.Blacken(.3f);
Handles.DrawLine(node.PositionEnd, segment.GlobalPosition());
}
}
foreach (SplineSegment child in segment.Children)
{
Temp(c, node, child);
}
}
protected float GetReparam(SplineSegment ss, float u)
{
if (u <= 0)
{
return(0);
}
else if (u >= 1)
{
return(1);
}
switch (Reparam)
{
case ReparamType.RungeKutta:
{
int ridx = (int)(u * (float)StepCount);
float uc = (u - ss.mPrecomps[ridx]) / mPrecompdiv;
return(Mathf.Lerp(ss.mParams[ridx], ss.mParams[ridx + 1], uc));
}
case ReparamType.Simple:
{
int ridx = 0;
for (int i = 1; i < StepCount + 1; ++i)
{
if (ss.mPrecomps[i] > u)
{
ridx = i - 1;
break;
}
}
float uc = (u - ss.mPrecomps[ridx]) / (ss.mPrecomps[ridx + 1] - ss.mPrecomps[ridx]);
return(Mathf.Lerp(ss.mParams[ridx], ss.mParams[ridx + 1], uc));
}
default:
return(0);
}
}
private void RecursiveDrawSegment(SplineSegment segment)
{
foreach (SplineSegment child in segment.Children)
{
RecursiveDrawSegment(child);
}
int depth = segment.Depth();
Vector3 gPosition = segment.GlobalPosition();
Vector3 gScale = segment.GlobalPosition();
Quaternion gRotation = segment.GlobalRotation();
if (depth == _depth | viewAllNodes)
{
Gizmos.color = Palette.ColorWheel(segment.Depth(), 6);
UnityEditor.Handles.color = Gizmos.color;
UnityEditor.Handles.DrawWireDisc(gPosition, gRotation * Vector3.forward, 7f - depth);
UnityEditor.Handles.DrawLine(gPosition, gPosition + segment.GlobalRotation() * (Vector3.forward * (depth + 1) * 5f));
//UnityEditor.Handles.Label(compareLocalGlobal ? segment.LocalPosition : segment.GlobalPosition(), segment.Depth().ToString());
UnityEditor.Handles.Label(segment.GlobalPosition() + Vector3.down * segment.Depth() * 10, "L:" + segment.LocalScale.ToString() + " G:" + segment.GlobalScale());
}
}
/**
* This function updates the spline mesh. It is called automatically once in a while, if updateMode isn't set to DontUpdate.
*/
public void UpdateMesh( )
{
Setup( );
//Reset the generated meshes
if (BentMesh)
{
BentMesh.Clear( );
}
if (baseMesh == null || spline == null || segmentCount <= 0)
{
return;
}
//Gather model data
Vector3[] verticesBase = baseMesh.vertices;
Vector3[] normalsBase = baseMesh.normals;
Vector4[] tangentsBase = baseMesh.tangents;
Vector2[] uvBase = baseMesh.uv;
int[] trianglesBase = baseMesh.triangles;
//Allocate some memory for new mesh data
Vector3[] verticesNew = new Vector3[verticesBase.Length * segmentCount];
Vector3[] normalsNew = new Vector3[normalsBase.Length * segmentCount];
Vector4[] tangentsNew = new Vector4[tangentsBase.Length * segmentCount];
Vector2[] uvNew = new Vector2[uvBase.Length * segmentCount];
int[] trianglesNew = new int[trianglesBase.Length * segmentCount];
//Group front/rear vertices together
List <int> verticesFront = new List <int>( );
List <int> verticesBack = new List <int>( );
Vector3 centerFront = Vector3.zero;
Vector3 centerBack = Vector3.zero;
for (int i = 0; i < verticesBase.Length; i++)
{
if (verticesBase[i].z > 0f)
{
verticesFront.Add(i);
centerFront += verticesBase[i];
}
else if (verticesBase[i].z < 0f)
{
verticesBack.Add(i);
centerBack += verticesBase[i];
}
}
centerFront /= verticesFront.Count;
centerBack /= verticesBack.Count;
if (splineSegment >= 0 && splineSegment < spline.SegmentCount)
{
SplineSegment currentSegment = spline.SplineSegments[splineSegment];
int vIndex = 0;
for (int segment = 0; segment < segmentCount; segment++)
{
float param0 = (float)segment / segmentCount;
float param1 = (float)(segment + 1) / segmentCount;
if (param1 == 1f)
{
param1 -= 0.00001f;
}
param0 = currentSegment.ConvertSegmentToSplineParamter(param0);
param1 = currentSegment.ConvertSegmentToSplineParamter(param1);
CalculateBentMesh(ref vIndex, verticesFront, verticesBack, ref centerFront, ref centerBack, param0, param1,
verticesBase, normalsBase, tangentsBase, uvBase, verticesNew, normalsNew, tangentsNew, uvNew);
for (int i = 0; i < trianglesBase.Length; i++)
{
trianglesNew[i + (segment * trianglesBase.Length)] = trianglesBase[i] + (verticesBase.Length * segment);
}
}
BentMesh.vertices = verticesNew;
BentMesh.uv = uvNew;
if (normalsBase.Length > 0)
{
BentMesh.normals = normalsNew;
}
if (tangentsBase.Length > 0)
{
BentMesh.tangents = tangentsNew;
}
BentMesh.triangles = trianglesNew;
}
else
{
int vIndex = 0;
for (int segment = 0; segment < segmentCount; segment++)
{
float param0 = (float)segment / segmentCount;
float param1 = (float)(segment + 1) / segmentCount;
if (param1 == 1f)
{
param1 -= 0.00001f;
}
CalculateBentMesh(ref vIndex, verticesFront, verticesBack, ref centerFront, ref centerBack, param0, param1,
verticesBase, normalsBase, tangentsBase, uvBase, verticesNew, normalsNew, tangentsNew, uvNew);
for (int i = 0; i < trianglesBase.Length; i++)
{
trianglesNew[i + (segment * trianglesBase.Length)] = trianglesBase[i] + (verticesBase.Length * segment);
}
}
BentMesh.vertices = verticesNew;
BentMesh.uv = uvNew;
if (normalsBase.Length > 0)
{
BentMesh.normals = normalsNew;
}
if (tangentsBase.Length > 0)
{
BentMesh.tangents = tangentsNew;
}
BentMesh.triangles = trianglesNew;
}
}
public void Execute(ArchetypeChunk chunk, int index, int entityOffset)
{
var localToParentAcessor = chunk.GetNativeArray(localToParentType);
var animationAcessor = chunk.GetNativeArray(splineAnimationType);
var justSpawnedAcessor = default(NativeArray <JustSpawned>);
if (chunk.Has(justSpawnedType))
{
justSpawnedAcessor = chunk.GetNativeArray(justSpawnedType);
}
for (int i = 0; i < chunk.Count; i++)
{
SplineAnimationSpeed anim = animationAcessor[i];
var elements = elementAcessor[anim.spline];
var segments = segmentAcessor[anim.spline];
if (anim.index >= elements.Length)
{
continue;
}
float move = anim.speed * deltaTime;
if (justSpawnedAcessor.IsCreated)
{
move = anim.speed * justSpawnedAcessor[i].deltaTime;
}
float left;
SplineSegment segment = segments[anim.segIndex];
while (move >= (left = (segment.end - anim.t) / (segment.end - segment.start) * segment.length))
{
move -= left;
if (++anim.segIndex >= segments.Length || segments[anim.segIndex].start == 0)
{
if (anim.isLoop)
{
if (++anim.index >= elements.Length)
{
anim.index = 0;
anim.segIndex = 0;
}
}
else
{
if (++anim.index >= elements.Length - 1)
{
anim.index = elements.Length;
anim.segIndex = 0;
anim.t = 0;
break;
}
}
}
segment = segments[anim.segIndex];
anim.t = segment.start;
}
if (anim.index >= elements.Length)
{
SplineElement last = elements[elements.Length - 1];
localToParentAcessor[i] = new LocalToParent {
Value = math.float4x4(last.rotation, last.point)
};
}
else
{
anim.t += (move / segment.length) * (segment.end - segment.start);
SplineElement start = elements[anim.index];
SplineElement end = anim.index < elements.Length - 1 ? elements[anim.index + 1] : elements[0];
float3 position = Bezier.GetPoint(start.point, start.point + start.forward, end.point + end.backward, end.point, anim.t);
quaternion rotation = math.nlerp(start.rotation, end.rotation, anim.t);
localToParentAcessor[i] = new LocalToParent {
Value = math.float4x4(rotation, position)
};
}
animationAcessor[i] = anim;
}
}
/// <summary>
/// Computes keyframe times to ensure a constant speed along the given spline.
/// </summary>
/// <remarks>
/// If the speed is 0 or omitted, it will be auto-computed so the animation completes in 1s.
/// </remarks>
public static float[] ComputeSplineTimes(Vector3[] positions, float speed = 0f)
{
bool isUnitLength = (speed == 0f);
if (isUnitLength)
speed = 1f;
int frameCount = positions.Length;
float[] times = new float[frameCount];
times[0] = 0f;
if (frameCount < 4)
{
for (int i = 1; i < frameCount; ++i)
times[i] = times[i - 1] + (positions[i] - positions[i - 1]).magnitude / speed;
}
else
{
times[1] = (positions[1] - positions[0]).magnitude / speed;
int samplesPerSegment = 16;
Vector3 oldPosition = positions[1];
for (int j = 2; j < frameCount - 1; ++j)
{
SplineSegment segment = new SplineSegment(positions[j-2], positions[j-1], positions[j], positions[j+1]);
float segmentLength = 0f;
for (int i = 0; i < samplesPerSegment; ++i)
{
float t = (float)i / (float)(samplesPerSegment - 1);
Vector3 position = segment.GetPosition(t);
segmentLength += (position - oldPosition).magnitude;
oldPosition = position;
}
times[j] = times[j-1] + segmentLength / speed;
}
float endDistance = (positions[frameCount - 1] - positions[frameCount - 2]).magnitude;
times[frameCount - 1] = times[frameCount - 2] + endDistance / speed;
}
if (isUnitLength)
{
float totalTime = 0f;
foreach (float time in times)
totalTime += time;
for (int i = 0; i < times.Length; ++i)
times[i] /= totalTime;
}
return times;
}
private void UpdateMesh(Mesh dstMesh, int splineSegment, ref List <Vector3> lightProbePositions)
{
Vector2 probeExtents = new Vector2(baseMesh.bounds.extents.x + lightProbeExtrude.x, lightProbeExtrude.y);
Vector3[] segmentProbePositions =
{
new Vector3(0, probeExtents.y + lightProbeHeight * 0.5f, 0),
new Vector3(probeExtents.x, probeExtents.y, 0),
new Vector3(probeExtents.x, probeExtents.y + lightProbeHeight, 0),
new Vector3(-probeExtents.x, probeExtents.y, 0),
new Vector3(-probeExtents.x, probeExtents.y + lightProbeHeight, 0)
};
//Gather model data
Vector3[] verticesBase = baseMesh.vertices;
Vector3[] normalsBase = baseMesh.normals;
Vector4[] tangentsBase = baseMesh.tangents;
Vector2[] uvBase = baseMesh.uv;
Vector2[] uvLightmap = baseMesh.uv2;
ArrayList allTrianglesBase = new ArrayList();
for (int q = 0; q < baseMesh.subMeshCount; ++q)
{
allTrianglesBase.Add(baseMesh.GetTriangles(q));
}
var localSegmentCount = segmentCount / splineSegmentCount;
//Allocate some memory for new mesh data
Vector3[] verticesNew = new Vector3[verticesBase.Length * localSegmentCount];
Vector3[] normalsNew = new Vector3[normalsBase.Length * localSegmentCount];
Vector4[] tangentsNew = new Vector4[tangentsBase.Length * localSegmentCount];
Vector2[] uvNew = new Vector2[uvBase.Length * localSegmentCount];
Vector2[] lightmapUvNew = new Vector2[uvBase.Length * localSegmentCount];
ArrayList allTrianglesNew = new ArrayList();
for (int q = 0; q < baseMesh.subMeshCount; ++q)
{
allTrianglesNew.Add(new int[baseMesh.GetTriangles(q).Length *localSegmentCount]);
}
//Group front/rear vertices together
List <int> verticesFront = new List <int>( );
List <int> verticesBack = new List <int>( );
Vector3 centerFront = Vector3.zero;
Vector3 centerBack = Vector3.zero;
Vector3 minCorner = new Vector3(Mathf.Infinity, Mathf.Infinity, Mathf.Infinity);
for (int i = 0; i < verticesBase.Length; i++)
{
if (verticesBase[i].z > 0f)
{
verticesFront.Add(i);
centerFront += verticesBase[i];
}
else if (verticesBase[i].z < 0f)
{
verticesBack.Add(i);
centerBack += verticesBase[i];
}
minCorner = Vector3.Min(minCorner, verticesBase[i]);
verticesBase[i].x = verticesBase[i].x + xyOffset.x;
verticesBase[i].y = verticesBase[i].y + xyOffset.y;
}
centerFront /= verticesFront.Count;
centerBack /= verticesBack.Count;
// float meshAspect = (xyScale.x * baseMesh.bounds.size.x) / baseMesh.bounds.size.z;
// Vector2 lightmapScale = new Vector2(
// (baseMesh.bounds.size.x * xyScale.x),
// spline.Length/(float)splineSegmentCount);
//;;Debug.Log ("lightmapScale " + lightmapScale.x + "," + lightmapScale.y + " " + splineSegmentCount + " " + localSegmentCount + " " + baseMesh.bounds.size);
int vIndex = 0;
int boxDimension = (int)Mathf.Round(Mathf.Sqrt(localSegmentCount) + 0.5f);
//;;Debug.Log ("boxDimension " + boxDimension);
for (int segment = 0; segment < localSegmentCount; segment++)
{
float localParam0 = (float)segment / localSegmentCount;
float localParam1 = (float)(segment + 1) / localSegmentCount;
if (localParam1 == 1f)
{
localParam1 -= 0.00001f;
}
float splineParam0 = localParam0;
float splineParam1 = localParam1;
if (splitMesh && splineSegment < spline.SegmentCount)
{
SplineSegment currentSegment = spline.SplineSegments[splineSegment];
splineParam0 = currentSegment.ConvertSegmentToSplineParamter(localParam0);
splineParam1 = currentSegment.ConvertSegmentToSplineParamter(localParam1);
}
int onX = segment / boxDimension;
//int onY = segment % boxDimension;
//;;Debug.Log(onX + " " + onY);
var columnStartingSegment = onX * boxDimension;
var lightmapOffset = new Vector2(
onX,
-Mathf.Max(0f, (float)columnStartingSegment / (float)localSegmentCount));
CalculateBentMesh(ref vIndex, verticesFront, verticesBack, ref centerFront, ref centerBack,
splineParam0, splineParam1, localParam0, localParam1, new Vector2(1.0f / ((float)boxDimension), (float)(boxDimension - 1)), lightmapOffset,
verticesBase, normalsBase, tangentsBase, uvBase, uvLightmap,
verticesNew, normalsNew, tangentsNew, uvNew, lightmapUvNew);
for (int q = 0; q < allTrianglesNew.Count; ++q)
{
int[] trianglesNew = allTrianglesNew[q] as int[];
int[] trianglesBase = allTrianglesBase[q] as int[];
for (int i = 0; i < trianglesBase.Length; i++)
{
trianglesNew[i + (segment * trianglesBase.Length)] = trianglesBase[i] + (verticesBase.Length * segment);
}
}
}
var localLightProbeSegmentCount = lightProbeSegmentCount / splineSegmentCount;
for (int segment = 0; segment < localLightProbeSegmentCount + 1; segment++)
{
float param0 = (float)segment / localLightProbeSegmentCount;
float paramC = ((float)segment + 0.5f) / localLightProbeSegmentCount;
if (splitMesh && splineSegment < spline.SegmentCount)
{
SplineSegment currentSegment = spline.SplineSegments[splineSegment];
param0 = currentSegment.ConvertSegmentToSplineParamter(param0);
paramC = currentSegment.ConvertSegmentToSplineParamter(paramC);
}
Vector3 pos0 = spline.transform.InverseTransformPoint(spline.GetPositionOnSpline(param0));
Quaternion rot0 = spline.GetOrientationOnSpline(param0) * Quaternion.Inverse(spline.transform.localRotation);
Vector3 posC = spline.transform.InverseTransformPoint(spline.GetPositionOnSpline(paramC));
Quaternion rotC = spline.GetOrientationOnSpline(paramC) * Quaternion.Inverse(spline.transform.localRotation);
foreach (var probePos in segmentProbePositions)
{
lightProbePositions.Add(pos0 + rot0 * probePos);
}
if (segment != localLightProbeSegmentCount)
{
lightProbePositions.Add(posC + rotC * segmentProbePositions[0]);
}
}
dstMesh.vertices = verticesNew;
dstMesh.uv = uvNew;
dstMesh.uv2 = lightmapUvNew;
if (normalsBase.Length > 0)
{
dstMesh.normals = normalsNew;
}
if (tangentsBase.Length > 0)
{
dstMesh.tangents = tangentsNew;
}
dstMesh.subMeshCount = allTrianglesNew.Count;
for (int q = 0; q < allTrianglesNew.Count; ++q)
{
int[] trianglesNew = allTrianglesNew[q] as int[];
dstMesh.SetTriangles(trianglesNew, q);
}
}
/// <summary> Creates the mesh given the 4 control points </summary>
public void SetupSegment(Vector3 P0, Vector3 P1, Vector3 P2, Vector3 P3)
{
_segment = new SplineSegment(P0, P1, P2, P3);
SetupMesh();
}
public Vector3 GetNormalByT(int segidx, float t)
{
SplineSegment ss = mSegments[segidx];
return(GetNormal(ss, t));
}
private void DoLodLevel(GameObject rootTarget, Config.LodLevel config, int lodLevelIndex)
{
// Get a version of the spline in local space
var spline = new SplineSegment(NodeConnection.GetSpline());
spline.ApplyMatrix(rootTarget.transform.worldToLocalMatrix);
if (config.SourceMesh == null)
{
Debug.LogError("No mesh defined for CreateRenderMesh component!");
return;
}
List <CombineInstance> workingMeshes = new List <CombineInstance>(); // All the meshes that will be combined at the end
var totalSplineLength = spline.Length;
var scale = config.SourceMesh.bounds.size;
scale.Scale(config.Scale);
var sourceMeshAxisLength = MeshTools.GetScalarFromAxis(scale, config.Axis);
var perMeshLength = Math.Min(totalSplineLength, sourceMeshAxisLength);
var perMeshPercentage = perMeshLength / totalSplineLength;
var snapDistance = config.SnapDistance;
var matrix = Matrix4x4.TRS(
config.Offset,
Quaternion.Euler(config.Rotation),
config.Scale);
var mirrorMatrix = Matrix4x4.TRS(
new Vector3(config.Offset.x, config.Offset.y, -config.Offset.z),
Quaternion.Euler(config.Rotation),
new Vector3(config.Scale.x, config.Scale.y, -config.Scale.z));
var meshCombineMatrix = Matrix4x4.TRS(Vector3.zero, Quaternion.identity, Vector3.one);
int chunkCount = 0;
var currentResult = CreateNewBakeResult(config, rootTarget, lodLevelIndex, chunkCount);
chunkCount++;
float distanceAccumulator = 0;
for (var i = SplineRange.x; i < 1; i += perMeshPercentage)
{
var startTime = i;
var endTime = Mathf.Clamp01(i + perMeshPercentage);
if (Math.Abs(startTime - endTime) < .001f)
{
break;
}
if (config.SplineInterpolation == SplineSegment.ESplineInterpolation.Uniform)
{
startTime = spline.NaturalToUniformTime(startTime);
endTime = spline.NaturalToUniformTime(endTime);
}
var distanceLeft = totalSplineLength - (endTime * totalSplineLength);
if (endTime < 1 && distanceLeft <= snapDistance)
{
endTime = 1;
i = 1;
}
if (currentResult == null)
{
var newChunkObject = new GameObject("Chunk" + chunkCount);
newChunkObject.transform.SetParent(rootTarget.transform);
newChunkObject.transform.localPosition = Vector3.zero;
newChunkObject.transform.localRotation = Quaternion.identity;
newChunkObject.transform.localScale = Vector3.one;
currentResult = CreateNewBakeResult(config, newChunkObject, lodLevelIndex, chunkCount);
chunkCount++;
}
workingMeshes.Add(new CombineInstance()
{
mesh = config.SourceMesh.DistortAlongSpline(spline, matrix, startTime, endTime, snapDistance, config.SplineInterpolation),
transform = meshCombineMatrix,
});
if (config.Mirror)
{
workingMeshes.Add(new CombineInstance()
{
mesh = config.SourceMesh.DistortAlongSpline(spline, mirrorMatrix, startTime, endTime, snapDistance, config.SplineInterpolation)
.FlipWindingOrder(),
transform = Matrix4x4.identity,
});
}
distanceAccumulator += perMeshPercentage * totalSplineLength;
if ((distanceAccumulator > config.BreakDistance && totalSplineLength - distanceAccumulator > config.BreakDistance) || Mathf.Approximately(endTime, 1))
{
distanceAccumulator = 0;
if (workingMeshes.Count > 0)
{
CombineInstance[] combineInstances = workingMeshes
.Where((instance => instance.mesh != null && instance.mesh.bounds.size.magnitude > 0)).ToArray();
currentResult.Mesh.CombineMeshes(combineInstances);
}
for (int j = 0; j < workingMeshes.Count; j++)
{
DestroyImmediate(workingMeshes[j].mesh);
}
if (config.OverrideNormal)
{
var n = new List <Vector3>();
n.Fill(Vector3.up, currentResult.Mesh.vertexCount);
currentResult.Mesh.SetNormals(n);
}
else
{
currentResult.Mesh.RecalculateNormals();
}
if (Mathf.Approximately(currentResult.Mesh.bounds.size.x, 0) ||
Mathf.Approximately(currentResult.Mesh.bounds.size.y, 0) ||
Mathf.Approximately(currentResult.Mesh.bounds.size.z, 0))
{
continue;
}
currentResult.Mesh.RecalculateTangents();
currentResult.Mesh.RecalculateBounds();
if (config.CopyToCollider)
{
currentResult.MeshCollider.enabled = true;
currentResult.MeshCollider.sharedMesh = currentResult.Mesh;
}
currentResult.Renderer.shadowCastingMode = config.ShadowCastingMode;
currentResult.Filter.sharedMesh = currentResult.Mesh;
currentResult.Renderer.sharedMaterials = config.Materials.ToArray();
Results.Add(currentResult);
currentResult = null;
}
}
}
/// <summary>
/// This function adds an offset to a BranchingSplineParameter while automatically switching splines when a juction is passed.
/// </summary>
/// <param name='bParam'>
/// A BranchingSplineParameter.
/// </param>
/// <param name='distanceOffset'>
/// An offset that shall be added to the BranchingSplineParameter (in game units).
/// </param>
/// <param name='bController'>
/// A BranchingController-delegate that decides which path to follow if a junction is passed.
/// </param>
/// <returns>
/// True if the spline used as reference path has been changed; False if not.
/// </returns>
public bool Advance(BranchingSplineParameter bParam, float distanceOffset, BranchingController bController)
{
bool splineChange = false;
if (!SplinesAvailable)
{
return(false);
}
if (++recoursionCounter > 12)
{
recoursionCounter = 0;
return(false);
}
CheckParameter(bParam);
Spline currentSpline = bParam.spline;
SplineNode currentNode = IsOnSplineNode(bParam.parameter, currentSpline);
//Parameter on node?
if (currentNode != null)
{
BranchingSplinePath nextPath = ChoseSpline(currentNode, bParam, bController, distanceOffset > 0);
bParam.spline = nextPath.spline;
bParam.direction = nextPath.direction;
bParam.parameter = currentNode.Parameters[bParam.spline].PosInSpline;
SplineNode[] adjacentNodes = GetAdjacentSegmentNodes(nextPath.spline, currentNode);
SplineNode nextNode = adjacentNodes[ForwardOnSpline(nextPath.direction, distanceOffset) ? 1 : 0];
if (nextNode != null)
{
bParam.parameter += (nextNode.Parameters[bParam.spline].PosInSpline - currentNode.Parameters[bParam.spline].PosInSpline) * 0.001f;
Advance(bParam, distanceOffset, bController);
splineChange = false;
}
else
{
splineChange = false;
}
}
else
{
SplineSegment currentSegment = currentSpline.GetSplineSegment(bParam.parameter);
float signedSplineLength = currentSpline.Length * (bParam.Forward ? 1 : -1);
float normalizedOffsetDir = distanceOffset / signedSplineLength;
float newParameter = bParam.parameter + normalizedOffsetDir;
float clampedParameter = currentSegment.ClampParameterToSegment(newParameter);
float offsetDifference = newParameter - clampedParameter;
bParam.parameter = clampedParameter;
if (Mathf.Approximately(offsetDifference, 0))
{
splineChange = false;
}
else
{
splineChange = Advance(bParam, offsetDifference * signedSplineLength, bController);
}
}
recoursionCounter = 0;
return(splineChange);
}
public void Build()
{
int idx, count;
SplinePoint p1, p2, p3, p4;
if (mPoints.Count < 2)
{
mSegments = null;
Length = 0;
return;
}
if (WrapType == WrapMode.Loop)
{
count = mPoints.Count;
}
else
{
count = mPoints.Count - 1;
}
mSegments = new SplineSegment[count];
Length = 0;
idx = 0;
if (WrapType == WrapMode.Loop)
{
while (idx < count)
{
p1 = mPoints[XSplineUtil.WrapIndex(idx - 1, mPoints.Count)];
p2 = mPoints[XSplineUtil.WrapIndex(idx, mPoints.Count)];
p3 = mPoints[XSplineUtil.WrapIndex(idx + 1, mPoints.Count)];
p4 = mPoints[XSplineUtil.WrapIndex(idx + 2, mPoints.Count)];
mSegments[idx] = new SplineSegment(InterpolateType);
if (InterpolateType == SplineType.Linear || InterpolateType == SplineType.Bezier)
{
BuildSegment(mSegments[idx], p1, p2, p3, p4);
}
else
{
BuildSegment(mSegments[idx], p2, p1, p4, p3);
}
++idx;
}
}
else
{
while (idx < count)
{
p1 = mPoints[XSplineUtil.ClampIndex(idx - 1, mPoints.Count)];
p2 = mPoints[XSplineUtil.ClampIndex(idx, mPoints.Count)];
p3 = mPoints[XSplineUtil.ClampIndex(idx + 1, mPoints.Count)];
p4 = mPoints[XSplineUtil.ClampIndex(idx + 2, mPoints.Count)];
mSegments[idx] = new SplineSegment(InterpolateType);
if (InterpolateType == SplineType.Linear || InterpolateType == SplineType.Bezier)
{
BuildSegment(mSegments[idx], p1, p2, p3, p4);
}
else
{
BuildSegment(mSegments[idx], p2, p1, p4, p3);
}
++idx;
}
}
++mBuildnum;
}
/// <summary>
/// This function updates the spline mesh. It is called automatically once in a while, if updateMode isn't set to DontUpdate.
/// </summary>
public void UpdateMesh( )
{
SetupMesh( );
bentMesh.Clear( );
if (baseMesh == null || spline == null || segmentCount <= 0)
{
return;
}
SetupMeshBuffers( );
float startParam;
float endParam;
float deltaParam;
switch (splitMode)
{
case SplitMode.BySplineSegment:
SplineSegment[] splineSegments = spline.SplineSegments;
splineSegment = Mathf.Clamp(splineSegment, 0, splineSegments.Length - 1);
SplineSegment segment = splineSegments[splineSegment];
startParam = (float)segment.StartNode.Parameters[spline].position;
endParam = startParam + (float)segment.NormalizedLength;
break;
case SplitMode.BySplineParameter:
startParam = segmentStart;
endParam = segmentEnd;
break;
case SplitMode.DontSplit:
default:
startParam = 0;
endParam = 1;
break;
}
deltaParam = endParam - startParam;
float param0 = 0f;
float param1 = 0f;
SplineMeshModifier[] splineMeshModifiers = GetComponentsInChildren <SplineMeshModifier>( );
for (int segmentIdx = 0; segmentIdx < segmentCount; segmentIdx++)
{
MeshData currentBaseMesh;
if (segmentIdx == 0 && startBaseMesh != null)
{
currentBaseMesh = meshDataStart;
}
else if (segmentIdx == segmentCount - 1 && endBaseMesh != null)
{
currentBaseMesh = meshDataEnd;
}
else
{
currentBaseMesh = meshDataBase;
}
param0 = startParam + deltaParam * (float)(segmentIdx) / segmentCount;
param1 = startParam + deltaParam * (float)(segmentIdx + 1) / segmentCount;
BendMesh(param0, param1, currentBaseMesh, meshDataNew, splineMeshModifiers);
}
meshDataNew.AssignToMesh(bentMesh);
}
protected void BuildSegment(SplineSegment ss, SplinePoint p1, SplinePoint p2, SplinePoint p3, SplinePoint p4)
{
if (InterpolateType == SplineType.Linear)
{
PreparePoint(p1, p2, p3);
PreparePoint(p2, p3, p4);
ss.mStartpos = p2.mPoint;
ss.mEndpos = p3.mPoint;
ss.mStartctrl = ss.mStartpos + p2.mNextctrl;
ss.mEndctrl = ss.mEndpos + p3.mPrevctrl;
}
if (InterpolateType == SplineType.Bezier)
{
PreparePoint(p1, p2, p3);
PreparePoint(p2, p3, p4);
ss.mStartpos = p2.mPoint;
ss.mEndpos = p3.mPoint;
ss.mStartctrl = ss.mStartpos + p2.mNextctrl;
ss.mEndctrl = ss.mEndpos + p3.mPrevctrl;
}
else if (InterpolateType == SplineType.CatmullRom)
{
ss.mStartpos = p1.mPoint;
ss.mEndpos = p4.mPoint;
ss.mStartctrl = p2.mPoint;
ss.mEndctrl = p3.mPoint;
}
ss.mStartlen = Length;
float seglen = GetLength(ss);
Length += seglen;
ss.mLength = seglen;
ss.mEndlen = Length;
switch (Reparam)
{
case ReparamType.None:
ss.mParams = null;
ss.mPrecomps = null;
break;
case ReparamType.Simple:
{
mPrecompdiv = 1 / (float)StepCount;
float param = 0, length = 0;
Vector3 prev, next;
ss.mParams = new float[StepCount + 1];
ss.mPrecomps = new float[StepCount + 1];
for (int i = 1; i < StepCount + 1; ++i)
{
prev = GetPosition(ss, param);
param += mPrecompdiv;
next = GetPosition(ss, param);
length += (next - prev).magnitude;
ss.mPrecomps[i] = length / seglen;
ss.mParams[i] = param;
}
ss.mParams[0] = 0;
ss.mParams[StepCount] = 1;
ss.mPrecomps[0] = 0;
ss.mPrecomps[StepCount] = 1;
mPrecompdiv = 1 / (float)StepCount;
}
break;
case ReparamType.RungeKutta:
float dlen = seglen / (float)StepCount, lparam = 0;
ss.mParams = new float[StepCount + 1];
ss.mPrecomps = new float[StepCount + 1];
for (int i = 0; i < StepCount + 1; ++i)
{
ss.mParams[i] = GetReparamRungeKutta(ss, lparam);
ss.mPrecomps[i] = lparam / seglen;
lparam += dlen;
}
ss.mParams[0] = 0;
ss.mParams[StepCount] = 1;
ss.mPrecomps[0] = 0;
ss.mPrecomps[StepCount] = 1;
mPrecompdiv = 1 / (float)StepCount;
break;
}
}