public Vector3 SplineAt(float x)
{
if (clSpline == null)
{
Start();
}
return(clSpline.SplineAt(x));
}
public CurvatureIdeallineAnalyzer(ClosedSpline <Vector3> idealLine)
{
int n = idealLine.ControlPointsAmount;
curvatureValues = new float[n];
for (int i = 0; i < n; i++)
{
curvatureValues[i] = float.MaxValue;
}
for (int i = 0; i < n; i++)
{
float s = ((float)i) / n;
float s2 = ((float)(i + 1)) / n;
Vector3 tangent1 = idealLine.TangentAt(s)[1] - idealLine.TangentAt(s)[0];
Vector3 tangent2 = idealLine.TangentAt(s2)[1] - idealLine.TangentAt(s2)[0];
Vector2 pos1 = new Vector2(idealLine.SplineAt(s).x, idealLine.SplineAt(s).z);
Vector2 pos2 = new Vector2(idealLine.SplineAt(s2).x, idealLine.SplineAt(s2).z);
Vector2 dir1 = new Vector2(tangent1.z, -tangent1.x);
Vector2 dir2 = new Vector2(tangent2.z, -tangent2.x);
Ray2D ray1 = new Ray2D(pos1, dir1);
Ray2D ray2 = new Ray2D(pos2, dir2);
Ray2D straightRay = new Ray2D(pos1, tangent1);
bool parallel;
Vector2 intersect = Utils.Intersect2D(ray1, ray2, out parallel);
if (parallel)
{
curvatureValues[i] = 0f;
}
else
{
float radius = (Vector2.Distance(intersect, pos1) + Vector2.Distance(intersect, pos2)) * 0.5f;
curvatureValues[i] = (1f / radius) * (Utils.PointRightTo(straightRay, intersect) ? 1f : -1f);
}
}
}
public float GetHeight(int elementIndex, float s, float leftToRight)
{
float absS = ((float)elementIndex) / heightsLeft.ControlPointsAmount;
float partS = s * (1f / heightsLeft.ControlPointsAmount);
float left = heightsLeft.SplineAt(absS + partS);
float right = heightsRight.SplineAt(absS + partS);
//float left = heightsLeft.SplineAt(absS);
//float right = heightsRight.SplineAt(absS);
return(leftToRight * (right - left) + left);
}
public SpeedAnalyzer(ClosedSpline <Vector3> idealLine, ClosedSpline <float> bankSpline, CurvatureAnalyzer curvature, int sampleRate)
{
this.idealLine = idealLine;
vs = new float[sampleRate];
force = new Vector3[sampleRate];
for (int i = 0; i < sampleRate; i++)
{
vs[i] = 0f;
force[i] = Vector3.zero;
}
for (int twice = 0; twice < 2; twice++)
{
for (int i = 0; i < sampleRate; i++)
{
int iPrev = i - 1;
if (iPrev < 0)
{
iPrev = sampleRate - 1;
}
float sPrev = ((float)iPrev) / sampleRate;
float s = ((float)i) / sampleRate;
float angleHere = Vector3.Angle(idealLine.TangentAt(sPrev)[1] - idealLine.TangentAt(sPrev)[0], new Vector3((idealLine.TangentAt(sPrev)[1] - idealLine.TangentAt(sPrev)[0]).x, 0f, (idealLine.TangentAt(sPrev)[1] - idealLine.TangentAt(sPrev)[0]).z));
if ((idealLine.TangentAt(sPrev)[1] - idealLine.TangentAt(sPrev)[0]).y < 0f)
{
angleHere = -angleHere;
}
float estimatedT = -1f + Mathf.Sqrt(1f + (Vector3.Distance(idealLine.SplineAt(s), idealLine.SplineAt(sPrev)) * 2f) / carAcceleration(vs[iPrev], angleHere));
float v = vs[iPrev] + estimatedT * carAcceleration(vs[iPrev], angleHere);
float aZ = carAcceleration(vs[iPrev], angleHere);
float radius = Mathf.Abs(1f / curvature.Curvature[(int)(s * curvature.Curvature.Length)]);
float bankToRightAngle = bankSpline.SplineAt(s);
float vMax = lateralAcceleration(bankToRightAngle, radius, curvature.Curvature[(int)(s * curvature.Curvature.Length)] >= 0f);
//float vMax = Mathf.Sqrt(lateralAcceleration(v) * radius);
if (vMax < v)
{
v = vMax;
float vBack = v;
for (int j = 1; j < sampleRate; j++)
{
int index = i - j;
if (index < 0)
{
index = sampleRate + index;
}
int indexPrev = index + 1;
if (indexPrev >= sampleRate)
{
indexPrev = 0;
}
float sTempPrev = ((float)indexPrev) / sampleRate;
float sTemp = ((float)index) / sampleRate;
float estimatedTTemp = -1f + Mathf.Sqrt(1f + (Vector3.Distance(idealLine.SplineAt(s), idealLine.SplineAt(sPrev)) * 2f) / carAcceleration(vs[iPrev], angleHere));
float vMaxBack = vBack + estimatedTTemp * braking(vBack, angleHere);
if (vMaxBack < vs[index])
{
vs[index] = vMaxBack;
force[index] = new Vector3((vMaxBack * vMaxBack) / radius, force[index].y, -braking(vBack, angleHere));
vBack = vMaxBack;
}
else
{
break;
}
}
}
vs[i] = v;
force[i] = new Vector3((v * v * Mathf.Sign(curvature.Curvature[(int)(s * curvature.Curvature.Length)])) / radius, 0f, aZ);
}
}
}
public CurvatureAnalyzer(ClosedSpline <Vector3> spline, int sampleRate)
{
this.spline = spline;
this.sampleRate = sampleRate;
curvatureValues = new float[sampleRate];
curvativeBins = new float[17];
for (int i = -8; i <= 8; i++)
{
curvativeBins[i + 8] = (((float)i) * maxBinValue) / 8.0f;
}
if (curvativeBins != null && curvativeBins.Length > 0)
{
curvativeProfile = new int[curvativeBins.Length];
for (int i = 0; i < curvativeProfile.Length; i++)
{
curvativeProfile[i] = 0;
}
}
for (int i = 0; i < sampleRate; i++)
{
float curPos = ((float)i) / ((float)sampleRate);
float nextPos = ((float)(i + 1)) / ((float)sampleRate);
Vector3 pos1 = spline.SplineAt(curPos);
Vector3 pos2 = spline.SplineAt(nextPos);
Vector3 tangent1 = spline.TangentAt(curPos)[1] - spline.TangentAt(curPos)[0];
Vector3 tangent2 = spline.TangentAt(nextPos)[1] - spline.TangentAt(nextPos)[0];
Vector3 inside1 = Vector3.Cross(tangent1, Vector3.up);
Vector3 inside2 = Vector3.Cross(tangent2, Vector3.up);
Vector2 vec2Pos1 = new Vector2(pos1.x, pos1.z);
Vector2 vec2Pos2 = new Vector2(pos2.x, pos2.z);
Vector2 vec2Inside1 = new Vector2(inside1.x, inside1.z);
Vector2 vec2Inside2 = new Vector2(inside2.x, inside2.z);
Line line1 = new Line(vec2Pos1, vec2Pos1 + vec2Inside1);
Line line2 = new Line(vec2Pos2, vec2Pos2 + vec2Inside2);
Vector2 intersect = Vector2.zero;
bool intersects = line1.Intersects(line2, out intersect);
float curvative = 0f;
if (intersect != Vector2.zero)
{
float radius1 = Vector2.Distance(intersect, vec2Pos1);
float radius2 = Vector2.Distance(intersect, vec2Pos2);
float avgRadius = (radius1 + radius2) * 0.5f;
curvative = 1f / avgRadius;
Vector3 toRight = (inside1 - pos1).normalized;
Vector3 intersectDir = ((new Vector3(intersect.x, pos1.y, intersect.y)) - pos1).normalized;
if (Vector3.Angle(toRight, intersectDir) >= 90)
{
curvative *= -1f;
}
curvatureValues[i] = curvative;
}
if (curvativeBins != null && curvativeBins.Length > 0)
{
bool found = false;
for (int j = 0; j < curvativeBins.Length; j++)
{
if (curvative < curvativeBins[j])
{
curvativeProfile[j]++;
found = true;
break;
}
}
if (!found)
{
curvativeProfile[curvativeProfile.Length - 1]++;
}
}
}
}
public override Racetrack ApplyRacetrack(Racetrack racetrack)
{
if (instTrack != null)
{
Destroy(instTrack);
instTrack = null;
}
instTrack = Instantiate(renderedTrackPrefab, transform);
instTrack.transform.localPosition = Vector3.zero;
Vector3[] leftCps = new Vector3[racetrack.track.controlPoints.Length];
Vector3[] rightCps = new Vector3[racetrack.track.controlPoints.Length];
for (int i = 0; i < leftCps.Length; i++)
{
Vector3 cpPos = racetrack.track.controlPoints[i];
Vector3[] tangentCp = racetrack.track.TangentAt(((float)i) / ((float)leftCps.Length));
Vector3 forwardCp = tangentCp[1] - tangentCp[0];
forwardCp.Normalize();
Vector3 sidewardsCp = Quaternion.Euler(0f, 90f, 0f) * forwardCp;
sidewardsCp.Normalize();
rightCps[i] = cpPos + sidewardsCp * racetrack.width.controlPoints[i] * 0.5f;
leftCps[i] = cpPos - sidewardsCp * racetrack.width.controlPoints[i] * 0.5f;
}
ClosedSpline <Vector3> leftTrack = new ClosedSpline <Vector3>(leftCps);
ClosedSpline <Vector3> rightTrack = new ClosedSpline <Vector3>(rightCps);
MeshFilter meshFilter = instTrack.GetComponent <MeshFilter>();
List <Vector3> vertices = new List <Vector3>();
List <int> triangles = new List <int>();
List <Vector2> uvs = new List <Vector2>();
List <int> trianglesWhite = new List <int>();
List <int> trianglesGrass = new List <int>();
float xPosFirst = 0f;
/*Vector3 middlePosFirst = racetrack.track.SplineAt(xPosFirst);
*
* Vector3[] tangentFirst = racetrack.track.TangentAt(xPosFirst);
*
* Vector3 forwardFirst = tangentFirst[1] - tangentFirst[0];
* forwardFirst.Normalize();
* Vector3 sidewardsFirst = Quaternion.Euler(0f, 90f, 0f) * forwardFirst;
*
* sidewardsFirst.Normalize();
*
* Vector3 firstl_p = sidewardsFirst * -0.5f * racetrack.width.SplineAt(xPosFirst) + middlePosFirst;
* Vector3 firstr_p = sidewardsFirst * 0.5f * racetrack.width.SplineAt(xPosFirst) + middlePosFirst;
*
* Vector3 firstl_whiteBegin = firstl_p + sidewardsFirst * whiteStripOffset;
* Vector3 firstr_whiteBegin = firstr_p - sidewardsFirst * whiteStripOffset;
*
* Vector3 firstl_whiteInner = firstl_whiteBegin + sidewardsFirst * whiteStripWidth;
* Vector3 firstr_whiteInner = firstr_whiteBegin - sidewardsFirst * whiteStripWidth;
*
* Vector3 firstl_grassSameHeight = firstl_p - sidewardsFirst * grassWidth;
* Vector3 firstr_grassSameHeight = firstr_p + sidewardsFirst * grassWidth;
*
* Vector3 firstl_grassHill = firstl_grassSameHeight - sidewardsFirst * grassHillWidth + Vector3.Cross(sidewardsFirst, forwardFirst) * grassHillHeight;
* Vector3 firstr_grassHill = firstr_grassSameHeight + sidewardsFirst * grassHillWidth + Vector3.Cross(sidewardsFirst, forwardFirst) * grassHillHeight;*/
Vector3[] tangentFirstLeft = leftTrack.TangentAt(xPosFirst);
Vector3 forwardFirstLeft = tangentFirstLeft[1] - tangentFirstLeft[0];
forwardFirstLeft.Normalize();
Vector3 sidewardsFirstLeft = Quaternion.Euler(0f, 90f, 0f) * forwardFirstLeft;
sidewardsFirstLeft.Normalize();
Vector3[] tangentFirstRight = rightTrack.TangentAt(xPosFirst);
Vector3 forwardFirstRight = tangentFirstRight[1] - tangentFirstRight[0];
forwardFirstRight.Normalize();
Vector3 sidewardsFirstRight = Quaternion.Euler(0f, 90f, 0f) * forwardFirstRight;
sidewardsFirstRight.Normalize();
Vector3 firstl_p = leftTrack.SplineAt(xPosFirst);
Vector3 firstr_p = rightTrack.SplineAt(xPosFirst);
Vector3 firstl_whiteBegin = firstl_p + sidewardsFirstLeft * whiteStripOffset;
Vector3 firstr_whiteBegin = firstr_p - sidewardsFirstRight * whiteStripOffset;
Vector3 firstl_whiteInner = firstl_whiteBegin + sidewardsFirstLeft * whiteStripWidth;
Vector3 firstr_whiteInner = firstr_whiteBegin - sidewardsFirstRight * whiteStripWidth;
Vector3 firstl_grassSameHeight = firstl_p - sidewardsFirstLeft * grassWidth;
Vector3 firstr_grassSameHeight = firstr_p + sidewardsFirstRight * grassWidth;
Vector3 firstl_grassHill = firstl_grassSameHeight - sidewardsFirstLeft * grassHillWidth + Vector3.Cross(sidewardsFirstLeft, forwardFirstLeft) * grassHillHeight;
Vector3 firstr_grassHill = firstr_grassSameHeight + sidewardsFirstRight * grassHillWidth + Vector3.Cross(sidewardsFirstRight, forwardFirstRight) * grassHillHeight;
vertices.Add(firstl_grassHill);
vertices.Add(firstl_grassSameHeight);
vertices.Add(firstl_p);
vertices.Add(firstl_whiteBegin);
vertices.Add(firstl_whiteInner);
vertices.Add(firstr_whiteInner);
vertices.Add(firstr_whiteBegin);
vertices.Add(firstr_p);
vertices.Add(firstr_grassSameHeight);
vertices.Add(firstr_grassHill);
uvs.Add(new Vector2(firstl_grassHill.x, firstl_grassHill.z));
uvs.Add(new Vector2(firstl_grassSameHeight.x, firstl_grassSameHeight.z));
uvs.Add(new Vector2(firstl_p.x, firstl_p.z));
uvs.Add(new Vector2(firstl_whiteBegin.x, firstl_whiteBegin.z));
uvs.Add(new Vector2(firstl_whiteInner.x, firstl_whiteInner.z));
uvs.Add(new Vector2(firstr_whiteInner.x, firstr_whiteInner.z));
uvs.Add(new Vector2(firstr_whiteBegin.x, firstr_whiteBegin.z));
uvs.Add(new Vector2(firstr_p.x, firstr_p.z));
uvs.Add(new Vector2(firstr_grassSameHeight.x, firstr_grassSameHeight.z));
uvs.Add(new Vector2(firstr_grassHill.x, firstr_grassHill.z));
for (int i = 1; i < resolution; i++)
{
float xPos = ((float)i) / ((float)resolution);
/*Vector3 middlePos = racetrack.track.SplineAt(xPos);
*
* Vector3[] tangent = racetrack.track.TangentAt(xPos);
*
* Vector3 forward = tangent[1] - tangent[0];
* forward.Normalize();
* Vector3 sidewards = Quaternion.Euler(0f, 90f, 0f) * forward;
*
* sidewards.Normalize();
*
* Vector3 l_p = sidewards * -0.5f * racetrack.width.SplineAt(xPos) + middlePos;
* Vector3 r_p = sidewards * 0.5f * racetrack.width.SplineAt(xPos) + middlePos;
*
* Vector3 l_whiteBegin = l_p + sidewards * whiteStripOffset;
* Vector3 r_whiteBegin = r_p - sidewards * whiteStripOffset;
*
* Vector3 l_whiteInner = l_whiteBegin + sidewards * whiteStripWidth;
* Vector3 r_whiteInner = r_whiteBegin - sidewards * whiteStripWidth;
*
* Vector3 l_grassSameHeight = l_p - sidewards * grassWidth;
* Vector3 r_grassSameHeight = r_p + sidewards * grassWidth;
*
* Vector3 l_grassHill = l_grassSameHeight - sidewards * grassHillWidth + Vector3.Cross(sidewards, forward) * grassHillHeight;
* Vector3 r_grassHill = r_grassSameHeight + sidewards * grassHillWidth + Vector3.Cross(sidewards, forward) * grassHillHeight;*/
Vector3[] tangentLeft = leftTrack.TangentAt(xPos);
Vector3 forwardLeft = tangentLeft[1] - tangentLeft[0];
forwardLeft.Normalize();
Vector3 sidewardsLeft = Quaternion.Euler(0f, 90f, 0f) * forwardLeft;
sidewardsLeft.Normalize();
Vector3[] tangentRight = rightTrack.TangentAt(xPos);
Vector3 forwardRight = tangentRight[1] - tangentRight[0];
forwardRight.Normalize();
Vector3 sidewardsRight = Quaternion.Euler(0f, 90f, 0f) * forwardRight;
sidewardsRight.Normalize();
Vector3 l_p = leftTrack.SplineAt(xPos);
Vector3 r_p = rightTrack.SplineAt(xPos);
Vector3 l_whiteBegin = l_p + sidewardsLeft * whiteStripOffset;
Vector3 r_whiteBegin = r_p - sidewardsRight * whiteStripOffset;
Vector3 l_whiteInner = l_whiteBegin + sidewardsLeft * whiteStripWidth;
Vector3 r_whiteInner = r_whiteBegin - sidewardsRight * whiteStripWidth;
Vector3 l_grassSameHeight = l_p - sidewardsLeft * grassWidth;
Vector3 r_grassSameHeight = r_p + sidewardsRight * grassWidth;
Vector3 l_grassHill = l_grassSameHeight - sidewardsLeft * grassHillWidth + Vector3.Cross(sidewardsLeft, forwardLeft) * grassHillHeight;
Vector3 r_grassHill = r_grassSameHeight + sidewardsRight * grassHillWidth + Vector3.Cross(sidewardsRight, forwardRight) * grassHillHeight;
vertices.Add(l_grassHill);
vertices.Add(l_grassSameHeight);
vertices.Add(l_p);
vertices.Add(l_whiteBegin);
vertices.Add(l_whiteInner);
vertices.Add(r_whiteInner);
vertices.Add(r_whiteBegin);
vertices.Add(r_p);
vertices.Add(r_grassSameHeight);
vertices.Add(r_grassHill);
uvs.Add(new Vector2(l_grassHill.x, l_grassHill.z));
uvs.Add(new Vector2(l_grassSameHeight.x, l_grassSameHeight.z));
uvs.Add(new Vector2(l_p.x, l_p.z));
uvs.Add(new Vector2(l_whiteBegin.x, l_whiteBegin.z));
uvs.Add(new Vector2(l_whiteInner.x, l_whiteInner.z));
uvs.Add(new Vector2(r_whiteInner.x, r_whiteInner.z));
uvs.Add(new Vector2(r_whiteBegin.x, r_whiteBegin.z));
uvs.Add(new Vector2(r_p.x, r_p.z));
uvs.Add(new Vector2(r_grassSameHeight.x, r_grassSameHeight.z));
uvs.Add(new Vector2(r_grassHill.x, r_grassHill.z));
triangles.Add((i - 1) * 10 + 2);
triangles.Add((i - 0) * 10 + 2);
triangles.Add((i - 1) * 10 + 3);
triangles.Add((i - 1) * 10 + 3);
triangles.Add((i - 0) * 10 + 2);
triangles.Add((i - 0) * 10 + 3);
triangles.Add((i - 1) * 10 + 4);
triangles.Add((i - 0) * 10 + 4);
triangles.Add((i - 1) * 10 + 5);
triangles.Add((i - 1) * 10 + 5);
triangles.Add((i - 0) * 10 + 4);
triangles.Add((i - 0) * 10 + 5);
triangles.Add((i - 1) * 10 + 6);
triangles.Add((i - 0) * 10 + 6);
triangles.Add((i - 1) * 10 + 7);
triangles.Add((i - 1) * 10 + 7);
triangles.Add((i - 0) * 10 + 6);
triangles.Add((i - 0) * 10 + 7);
trianglesWhite.Add((i - 1) * 10 + 3);
trianglesWhite.Add((i - 0) * 10 + 3);
trianglesWhite.Add((i - 1) * 10 + 4);
trianglesWhite.Add((i - 1) * 10 + 4);
trianglesWhite.Add((i - 0) * 10 + 3);
trianglesWhite.Add((i - 0) * 10 + 4);
trianglesWhite.Add((i - 1) * 10 + 5);
trianglesWhite.Add((i - 0) * 10 + 5);
trianglesWhite.Add((i - 1) * 10 + 6);
trianglesWhite.Add((i - 1) * 10 + 6);
trianglesWhite.Add((i - 0) * 10 + 5);
trianglesWhite.Add((i - 0) * 10 + 6);
trianglesGrass.Add((i - 1) * 10 + 0);
trianglesGrass.Add((i - 0) * 10 + 0);
trianglesGrass.Add((i - 1) * 10 + 1);
trianglesGrass.Add((i - 1) * 10 + 1);
trianglesGrass.Add((i - 0) * 10 + 0);
trianglesGrass.Add((i - 0) * 10 + 1);
trianglesGrass.Add((i - 1) * 10 + 1);
trianglesGrass.Add((i - 0) * 10 + 1);
trianglesGrass.Add((i - 1) * 10 + 2);
trianglesGrass.Add((i - 1) * 10 + 2);
trianglesGrass.Add((i - 0) * 10 + 1);
trianglesGrass.Add((i - 0) * 10 + 2);
trianglesGrass.Add((i - 1) * 10 + 7);
trianglesGrass.Add((i - 0) * 10 + 7);
trianglesGrass.Add((i - 1) * 10 + 8);
trianglesGrass.Add((i - 1) * 10 + 8);
trianglesGrass.Add((i - 0) * 10 + 7);
trianglesGrass.Add((i - 0) * 10 + 8);
trianglesGrass.Add((i - 1) * 10 + 8);
trianglesGrass.Add((i - 0) * 10 + 8);
trianglesGrass.Add((i - 1) * 10 + 9);
trianglesGrass.Add((i - 1) * 10 + 9);
trianglesGrass.Add((i - 0) * 10 + 8);
trianglesGrass.Add((i - 0) * 10 + 9);
}
if (true)
{
#region Last One
triangles.Add((resolution - 1) * 10 + 2);
triangles.Add((0) * 10 + 2);
triangles.Add((resolution - 1) * 10 + 3);
triangles.Add((resolution - 1) * 10 + 3);
triangles.Add((0) * 10 + 2);
triangles.Add((0) * 10 + 3);
triangles.Add((resolution - 1) * 10 + 4);
triangles.Add((0) * 10 + 4);
triangles.Add((resolution - 1) * 10 + 5);
triangles.Add((resolution - 1) * 10 + 5);
triangles.Add((0) * 10 + 4);
triangles.Add((0) * 10 + 5);
triangles.Add((resolution - 1) * 10 + 6);
triangles.Add((0) * 10 + 6);
triangles.Add((resolution - 1) * 10 + 7);
triangles.Add((resolution - 1) * 10 + 7);
triangles.Add((0) * 10 + 6);
triangles.Add((0) * 10 + 7);
trianglesWhite.Add((resolution - 1) * 10 + 3);
trianglesWhite.Add((0) * 10 + 3);
trianglesWhite.Add((resolution - 1) * 10 + 4);
trianglesWhite.Add((resolution - 1) * 10 + 4);
trianglesWhite.Add((0) * 10 + 3);
trianglesWhite.Add((0) * 10 + 4);
trianglesWhite.Add((resolution - 1) * 10 + 5);
trianglesWhite.Add((0) * 10 + 5);
trianglesWhite.Add((resolution - 1) * 10 + 6);
trianglesWhite.Add((resolution - 1) * 10 + 6);
trianglesWhite.Add((0) * 10 + 5);
trianglesWhite.Add((0) * 10 + 6);
trianglesGrass.Add((resolution - 1) * 10 + 0);
trianglesGrass.Add((0) * 10 + 0);
trianglesGrass.Add((resolution - 1) * 10 + 1);
trianglesGrass.Add((resolution - 1) * 10 + 1);
trianglesGrass.Add((0) * 10 + 0);
trianglesGrass.Add((0) * 10 + 1);
trianglesGrass.Add((resolution - 1) * 10 + 1);
trianglesGrass.Add((0) * 10 + 1);
trianglesGrass.Add((resolution - 1) * 10 + 2);
trianglesGrass.Add((resolution - 1) * 10 + 2);
trianglesGrass.Add((0) * 10 + 1);
trianglesGrass.Add((0) * 10 + 2);
trianglesGrass.Add((resolution - 1) * 10 + 7);
trianglesGrass.Add((0) * 10 + 7);
trianglesGrass.Add((resolution - 1) * 10 + 8);
trianglesGrass.Add((resolution - 1) * 10 + 8);
trianglesGrass.Add((0) * 10 + 7);
trianglesGrass.Add((0) * 10 + 8);
trianglesGrass.Add((resolution - 1) * 10 + 8);
trianglesGrass.Add((0) * 10 + 8);
trianglesGrass.Add((resolution - 1) * 10 + 9);
trianglesGrass.Add((resolution - 1) * 10 + 9);
trianglesGrass.Add((0) * 10 + 8);
trianglesGrass.Add((0) * 10 + 9);
#endregion
}
meshFilter.mesh.Clear();
meshFilter.mesh.vertices = vertices.ToArray();
meshFilter.mesh.uv = uvs.ToArray();
meshFilter.mesh.subMeshCount = 3;
Debug.Log("Submeshcount: " + meshFilter.mesh.subMeshCount);
meshFilter.mesh.SetTriangles(triangles.ToArray(), 0);
meshFilter.mesh.SetTriangles(trianglesWhite.ToArray(), 1);
meshFilter.mesh.SetTriangles(trianglesGrass.ToArray(), 2);
meshFilter.mesh.RecalculateNormals();
instTrack.GetComponent <MeshCollider>().sharedMesh = meshFilter.mesh;
/*for (int i = 0; i < resolution; i++)
* {
* float xPos = ((float)i) / ((float)resolution);
*
* GameObject inst = (GameObject)Instantiate(prefabPoint);
* inst.transform.position = racetrack.track.SplineAt(xPos);
* }*/
return(racetrack);
}
private void render()
{
if (meshFilter == null)
{
meshFilter = GetComponent <MeshFilter>();
}
if (spline != null)
{
List <Vector3> verts = new List <Vector3>();
List <int> trias = new List <int>();
List <Vector2> uvs = new List <Vector2>();
Vector3 tangentF = spline.TangentAt(0f)[1] - spline.TangentAt(0f)[0];
Vector3 toRightF = ((Quaternion.Euler(0f, 90f, 0f)) * tangentF).normalized;
verts.Add(spline.SplineAt(0f) - toRightF * width);
verts.Add(spline.SplineAt(0f) + toRightF * width);
uvs.Add(new Vector2((spline.SplineAt(0f) - toRightF * width).x, (spline.SplineAt(0f) - toRightF * width).z));
uvs.Add(new Vector2((spline.SplineAt(0f) + toRightF * width).x, (spline.SplineAt(0f) + toRightF * width).z));
for (int i = 1; i < resolution; i++)
{
float s = ((float)i) / resolution;
Vector3 tangent = spline.TangentAt(s)[1] - spline.TangentAt(s)[0];
Vector3 toRight = ((Quaternion.Euler(0f, 90f, 0f)) * tangent).normalized;
verts.Add(spline.SplineAt(s) - toRight * width);
verts.Add(spline.SplineAt(s) + toRight * width);
uvs.Add(new Vector2((spline.SplineAt(s) - toRight * width).x, (spline.SplineAt(s) - toRight * width).z));
uvs.Add(new Vector2((spline.SplineAt(s) + toRight * width).x, (spline.SplineAt(s) + toRight * width).z));
trias.Add(verts.Count - 4);
trias.Add(verts.Count - 2);
trias.Add(verts.Count - 3);
trias.Add(verts.Count - 2);
trias.Add(verts.Count - 1);
trias.Add(verts.Count - 3);
}
meshFilter.mesh.Clear();
meshFilter.mesh.vertices = verts.ToArray();
meshFilter.mesh.uv = uvs.ToArray();
meshFilter.mesh.subMeshCount = 1;
meshFilter.mesh.SetTriangles(trias.ToArray(), 0);
meshFilter.mesh.RecalculateNormals();
}
}
