/// <summary>
/// Display all the smoothed points of the spline
/// </summary>
private void DisplaySplineSmoothPoints()
{
//check if AllSmoothPoints is valid
if (sc.Spline.AllSmoothPoints != null)
{
//if AllSmoothPoints is valid then loop though all the points
//drawing them and connecting them
for (int i = 0; i < sc.Spline.AllSmoothPoints.Count; i++)
{
Handles.color = Color.yellow;
Handles.CylinderHandleCap(0, sc.Spline.AllSmoothPoints[i],
Quaternion.AngleAxis(90, Vector3.right), 2f,
EventType.Repaint);
Handles.color = Color.green;
Handles.DrawLine(sc.Spline.AllSmoothPoints[i],
sc.Spline.AllSmoothPoints[Helper.ALoopIndex(i, sc.Spline.AllSmoothPoints.Count)]);
}
}
}
/// <summary>
/// Display all the raw points of the spline
/// </summary>
private void DisplaySplineRawPoints()
{
//check if AllRawPoints is not null
if (sc.Spline.AllRawPoints != null)
{
//if AllRawPoints is valid then loop though all the points
//drawing then and connecting them to the next point
for (int i = 0; i < sc.Spline.AllRawPoints.Count; i++)
{
Handles.color = Color.red;
Handles.CylinderHandleCap(0, sc.Spline.AllRawPoints[i],
Quaternion.AngleAxis(90, Vector3.right), 25f,
EventType.Repaint);
Handles.color = Color.magenta;
Handles.DrawLine(sc.Spline.AllRawPoints[i],
sc.Spline.AllRawPoints[Helper.ALoopIndex(i, sc.Spline.AllRawPoints.Count)]);
}
}
}
/// <summary>
/// Create all the vertices for the curbs around the track
/// </summary>
private void CreateCurbVertices()
{
ProTwoDShape curbMesh = CreateTwoDShape(CurbMesh);
float center = curbMesh.Center;
for (int i = 0; i < curbMesh.Vertices.Count; i++)
{
Vector2 v = curbMesh.Vertices[i];
v *= 100;
curbMesh.Vertices[i] = v;
}
curbMesh.ShapeWidth *= 100;
//Store all the curb meshes made
List <CombineInstance> allCurbMeshes = new List <CombineInstance>();
if (true)
{
//Go though all the vertices in the track mesh
if (true)
{
int i = 0;
//Store all the vertices for the current curb
List <Vector3> curbVertices = new List <Vector3>();
//Store all the uvs for the current curb
List <Vector2> curbUvs = new List <Vector2>();
//Store all the triangle for the current curb
List <int> curbTriangles = new List <int>();
//Get the number of segmnets each spline curve it broken
//up into
int segStart = proMesh.Vertices.Count;
//if we are at the start of a curve
if (i % segStart == 0)
{
//Get the distance for the left side of the spline
float splineLeft = (proMesh.Vertices[i] -
proMesh.Vertices[Helper.LoopIndex(i, segStart - 2, proMesh.Vertices.Count)]).magnitude;
//Get the distance for the right side of the spline
float splineRight = (proMesh.Vertices[Helper.ALoopIndex(i, proMesh.Vertices.Count)] -
proMesh.Vertices[Helper.LoopIndex(i, segStart - 1, proMesh.Vertices.Count)]).magnitude;
//check which side of the track mesh is smaller
//this is the side which will have the curb made for
if (true)
{
curbMesh.Vertices.Reverse();
//Setup the vertices
for (int j = 0; j < segStart; j += 2)
{
for (int k = 0; k < curbMesh.Vertices.Count; k++)
{
Vector3 cV;
Vector3 cVT;
Vector3 dir;
if (j == 0 || j == segStart - 2)
{
cV = proMesh.Vertices[Helper.LoopIndex(i, j + 1, proMesh.Vertices.Count)];
cVT = proMesh.Vertices[Helper.LoopIndex(i, j, proMesh.Vertices.Count)];
}
else
{
cV = proMesh.Vertices[Helper.LoopIndex(i, j, proMesh.Vertices.Count)];
cVT = proMesh.Vertices[Helper.LoopIndex(i, j + 1, proMesh.Vertices.Count)];
}
dir = cV - cVT;
//ROTATE VERTICES
//Set the new vertex position
Vector3 pos;
if (curbMesh.Vertices[k].x < 0)
{
pos = cVT + (curbMesh.Vertices[k].x * dir.normalized);
}
else
{
pos = cV + (curbMesh.Vertices[k].x * dir.normalized);
}
if (onPlanXZ)
{
pos.y = 0 + curbMesh.Vertices[k].y;
}
else
{
pos.y += curbMesh.Vertices[k].y;
}
//add curb to vertex list
curbVertices.Add(pos);
//Set the new vertex uv
float x = (float)j / (curbMesh.Vertices.Count - 1);
float y = (float)i / 4 + 1;
Vector2 uv = new Vector2(x, y);
curbUvs.Add(uv);
}
}
//for (int j = segStart - 2; j < segStart; j += 2)
//{
// for (int k = 0; k < curbMesh.Vertices.Count; k++)
// {
// //ROTATE VERTICES
// Vector3 cV = proMesh.Vertices[Helper.LoopIndex(i, j + 1, proMesh.Vertices.Count)];
// Vector3 cVT = proMesh.Vertices[Helper.LoopIndex(i, j, proMesh.Vertices.Count)];
// Vector3 dir = cV -
// cVT;
// //Set the new vertex position
// Vector3 pos;
// if (curbMesh.Vertices[k].x < 0)
// pos = cVT + (curbMesh.Vertices[k].x * dir.normalized);
// else
// pos = cV + (curbMesh.Vertices[k].x * dir.normalized);
// pos.y = 0 + curbMesh.Vertices[k].y;
// //add curb to vertex list
// curbVertices.Add(pos);
// //Set the new vertex uv
// float x = (float)j / (curbMesh.Vertices.Count - 1);
// float y = (float)i / 4 + 1;
// Vector2 uv = new Vector2(x, y);
// curbUvs.Add(uv);
// }
//}
//Setup the triangles
for (int j = 0; j < curbVertices.Count - (curbMesh.Vertices.Count); j++)
{
float value = (j + 1) / (float)curbMesh.Vertices.Count % 1f;
if (value != 0)
{
curbTriangles.Add(j);
curbTriangles.Add(j + curbMesh.Vertices.Count);
curbTriangles.Add(j + curbMesh.Vertices.Count + 1);
curbTriangles.Add(j);
curbTriangles.Add(j + curbMesh.Vertices.Count + 1);
curbTriangles.Add(j + 1);
}
}
curbMesh.Vertices.Reverse();
}
CombineInstance ci = new CombineInstance();
Mesh m = new Mesh();
m.vertices = curbVertices.ToArray();
m.uv = curbUvs.ToArray();
m.triangles = curbTriangles.ToArray();
ci.mesh = m;
ci.transform = transform.localToWorldMatrix;
allCurbMeshes.Add(ci);
}
}
}
curbsMesh = new Mesh();
//Combine all curb meshs in to one
curbsMesh.CombineMeshes(allCurbMeshes.ToArray());
//Clean up all the meshes by destroying them
for (int i = 0; i < allCurbMeshes.Count; i++)
{
allCurbMeshes[i].mesh.Clear();
}
//then create a new GameObject add a mesh filter and mesh renderer to it
if (!curb)
{
curb = new GameObject("Curbs");
}
if (!curb.GetComponent <MeshFilter>())
{
curb.AddComponent <MeshFilter>();
}
if (!curb.GetComponent <MeshRenderer>())
{
curb.AddComponent <MeshRenderer>();
}
curbsMesh.RecalculateNormals();
//set the mesh filter and mesh renderer
curb.GetComponent <MeshFilter>().sharedMesh = curbsMesh;
curb.GetComponent <MeshRenderer>().sharedMaterial = CurbMaterial;
}
/// <summary>
/// Display all the control points
/// </summary>
private void DisplaySplineControlPoints()
{
//if ControlPoints is valid
if (sc.Spline.ControlPoints != null)
{
//if unApplliedControlPoints is null
//then set unApplliedControlPoints to the spline's control points
if (unApplliedControlPoints == null || unApplliedControlPoints.Count != sc.Spline.ControlPoints.Count)
{
unApplliedControlPoints = sc.Spline.ControlPoints;
}
//If the control points are modifiable
//them check for changes to the points
if (sc.Spline.ControlPointsModifiable)
{
if (sc.Spline.SplineCurveType == CurveType.Bezier)
{
for (int i = 0; i < sc.Spline.ControlPoints.Count; i += 3)
{
//Draw the start and end control point
Handles.color = (i != 0) ? Color.blue : Color.black;
Vector3 newPos = Handles.FreeMoveHandle(unApplliedControlPoints[i],
Quaternion.identity, 8f, Vector3.zero,
Handles.CylinderHandleCap);
//if newPos is not the same as the control point on the spline
if (sc.Spline.ControlPoints[i] != newPos)
{
//set unSavedChanges to true
unSavedChanges = true;
//set unApplliedControlPoints[i] to newPos
unApplliedControlPoints[i] = newPos;
}
newPos = Handles.FreeMoveHandle(unApplliedControlPoints[i + 2],
Quaternion.identity, 8f, Vector3.zero,
Handles.CylinderHandleCap);
//if newPos is not the same as the control point on the spline
if (sc.Spline.ControlPoints[i + 2] != newPos)
{
//set unSavedChanges to true
unSavedChanges = true;
//set unApplliedControlPoints[i] to newPos
unApplliedControlPoints[i + 2] = newPos;
}
//Draw the site point
Handles.color = Color.red;
newPos = Handles.FreeMoveHandle(unApplliedControlPoints[i + 1],
Quaternion.identity, 8f, Vector3.zero,
Handles.CylinderHandleCap);
//if newPos is not the same as the control point on the spline
if (sc.Spline.ControlPoints[i + 1] != newPos)
{
//set unSavedChanges to true
unSavedChanges = true;
//set unApplliedControlPoints[i] to newPos
unApplliedControlPoints[i + 1] = newPos;
}
}
for (int i = 0; i < sc.Spline.ControlPoints.Count; i += 3)
{
//Draw the line between the control points
Handles.color = Color.cyan;
Handles.DrawBezier(unApplliedControlPoints[i], unApplliedControlPoints[i + 2],
unApplliedControlPoints[i + 1], unApplliedControlPoints[i + 1],
Color.cyan, null, 2);
Handles.DrawLine(sc.Spline.ControlPoints[i + 2], sc.Spline.ControlPoints[Helper.LoopIndex(i, 3, sc.Spline.ControlPoints.Count)]);
}
}
else if (sc.Spline.SplineCurveType == CurveType.CatmullRom)
{
for (int i = 0; i < sc.Spline.ControlPoints.Count; i++)
{
//Draw the start and end control point
Handles.color = Color.red;
Vector3 newPos = Handles.FreeMoveHandle(unApplliedControlPoints[i],
Quaternion.identity, 8f, Vector3.zero,
Handles.CylinderHandleCap);
//if newPos is not the same as the control point on the spline
if (sc.Spline.ControlPoints[i] != newPos)
{
//set unSavedChanges to true
unSavedChanges = true;
//set unApplliedControlPoints[i] to newPos
unApplliedControlPoints[i] = newPos;
}
}
List <Vector3> points = new List <Vector3>();
//setup all the catmull-rom points to draw
for (int i = 0; i < sc.Spline.ControlPoints.Count; i++)
{
for (int j = 0; j < sc.Spline.SmoothSplineResoultion; j++)
{
points.Add(GetCatmullRom(unApplliedControlPoints[Helper.SLoopIndex(i, sc.Spline.ControlPoints.Count)],
unApplliedControlPoints[i],
unApplliedControlPoints[Helper.ALoopIndex(i, sc.Spline.ControlPoints.Count)],
unApplliedControlPoints[Helper.LoopIndex(i, 2, sc.Spline.ControlPoints.Count)],
j * (1f / sc.Spline.SmoothSplineResoultion)));
}
}
Handles.color = Color.cyan;
//draw all the points
for (int i = 0; i < points.Count; i++)
{
Handles.DrawLine(points[i], points[Helper.ALoopIndex(i, points.Count)]);
}
}
}
else
{
if (sc.Spline.SplineCurveType == CurveType.Bezier)
{
for (int i = 0; i < sc.Spline.ControlPoints.Count; i += 3)
{
//Draw the start and end control point
Handles.color = Color.blue;
Handles.CylinderHandleCap(0, sc.Spline.ControlPoints[i],
Quaternion.AngleAxis(90, Vector3.right), 8f,
EventType.Repaint);
Handles.CylinderHandleCap(0, sc.Spline.ControlPoints[i + 2],
Quaternion.AngleAxis(90, Vector3.right), 8f,
EventType.Repaint);
//Draw the site point
Handles.color = Color.red;
Handles.CylinderHandleCap(0, sc.Spline.ControlPoints[i + 1],
Quaternion.AngleAxis(90, Vector3.right), 8f,
EventType.Repaint);
//Draw the line between the control points
Handles.color = Color.cyan;
Handles.DrawLine(sc.Spline.ControlPoints[i], sc.Spline.ControlPoints[i + 1]);
Handles.DrawLine(sc.Spline.ControlPoints[i + 1], sc.Spline.ControlPoints[i + 2]);
Handles.DrawLine(sc.Spline.ControlPoints[i + 2], sc.Spline.ControlPoints[Helper.LoopIndex(i, 3, sc.Spline.ControlPoints.Count)]);
}
}
else if (sc.Spline.SplineCurveType == CurveType.CatmullRom)
{
for (int i = 0; i < sc.Spline.ControlPoints.Count; i++)
{
//Draw the site point
Handles.color = Color.red;
Handles.CylinderHandleCap(0, sc.Spline.ControlPoints[i],
Quaternion.AngleAxis(90, Vector3.right), 8f,
EventType.Repaint);
//Draw the line between the control points
Handles.color = Color.cyan;
Handles.DrawLine(sc.Spline.ControlPoints[i], sc.Spline.ControlPoints[Helper.ALoopIndex(i, sc.Spline.ControlPoints.Count)]);
}
}
}
}
}
/// <summary>
/// Create all the vertices for the curbs around the track
/// </summary>
private void CreateCurbVertices()
{
ProTwoDShape curbMesh = CreateTwoDShape(CurbMesh);
for (int i = 0; i < curbMesh.Vertices.Count; i++)
{
Vector2 v = curbMesh.Vertices[i];
v *= 100;
curbMesh.Vertices[i] = v;
}
curbMesh.ShapeWidth *= 100;
//Store all the curb meshes made
List <CombineInstance> allCurbMeshes = new List <CombineInstance>();
if (Spline.SplineCurveType == CurveType.Bezier)
{
//Go though all the vertices in the track mesh
for (int i = 0; i < proMesh.Vertices.Count; i++)
{
//Store all the vertices for the current curb
List <Vector3> curbVertices = new List <Vector3>();
//Store all the uvs for the current curb
List <Vector2> curbUvs = new List <Vector2>();
//Store all the triangle for the current curb
List <int> curbTriangles = new List <int>();
//Get the number of segmnets each spline curve it broken
//up into
int segStart = ((Spline.SmoothSplineResoultion + 1) * 2);
//if we are at the start of a curve
if (i % segStart == 0)
{
//Get the distance for the left side of the spline
float splineLeft = (proMesh.Vertices[i] -
proMesh.Vertices[Helper.LoopIndex(i, segStart - 2, proMesh.Vertices.Count)]).magnitude;
//Get the distance for the right side of the spline
float splineRight = (proMesh.Vertices[Helper.ALoopIndex(i, proMesh.Vertices.Count)] -
proMesh.Vertices[Helper.LoopIndex(i, segStart - 1, proMesh.Vertices.Count)]).magnitude;
//check which side of the track mesh is smaller
//this is the side which will have the curb made for
if (splineLeft < splineRight)
{
curbMesh.Vertices.Reverse();
//Setup the vertices
for (int j = 0; j < segStart; j += 2)
{
for (int k = 0; k < curbMesh.Vertices.Count; k++)
{
//ROTATE VERTICES
Vector3 cV = proMesh.Vertices[Helper.LoopIndex(i, j, proMesh.Vertices.Count)];
Vector3 cVT = proMesh.Vertices[Helper.LoopIndex(i, j + 1, proMesh.Vertices.Count)];
Vector3 dir = cV -
cVT;
//Set the new vertex position
Vector3 pos = cV + (curbMesh.Vertices[k].x * dir.normalized);
pos += (curbMesh.ShapeWidth) * dir.normalized;
//if we are on the first or last row of vertices for this curb
//clamp the y value to 0
if (j == 0 || j == (segStart - 2))
{
pos.y = 0;
}
else
{
pos.y = 0 + curbMesh.Vertices[k].y;
}
//add curb to vertex list
curbVertices.Add(pos);
//Set the new vertex uv
float x = (float)j / (curbMesh.Vertices.Count - 1);
float y = (float)i / Spline.SmoothSplineResoultion + 1;
Vector2 uv = new Vector2(x, y);
curbUvs.Add(uv);
}
}
//Setup the triangles
for (int j = 0; j < curbVertices.Count - (curbMesh.Vertices.Count); j++)
{
float value = (j + 1) / (float)curbMesh.Vertices.Count % 1f;
if (value != 0)
{
curbTriangles.Add(j);
curbTriangles.Add(j + curbMesh.Vertices.Count);
curbTriangles.Add(j + curbMesh.Vertices.Count + 1);
curbTriangles.Add(j);
curbTriangles.Add(j + curbMesh.Vertices.Count + 1);
curbTriangles.Add(j + 1);
}
}
curbMesh.Vertices.Reverse();
}
else if (splineLeft > splineRight)
{
for (int j = 1; j < segStart; j += 2)
{
for (int k = 0; k < curbMesh.Vertices.Count; k++)
{
//ROTATE VERTICES
Vector3 cV = proMesh.Vertices[Helper.LoopIndex(i, j, proMesh.Vertices.Count)];
Vector3 cVT = proMesh.Vertices[Helper.LoopIndex(i, j - 1, proMesh.Vertices.Count)];
Vector3 dir = cV -
cVT;
Vector3 pos = cV + (curbMesh.Vertices[k].x * dir.normalized);
pos += (curbMesh.ShapeWidth) * dir.normalized;
//if we are on the first or last row of vertices for this curb
//clamp the y value to 0
if (j == 1 || j == (segStart - 1))
{
pos.y = 0;
}
else
{
pos.y = 0 + curbMesh.Vertices[k].y;
}
//add curb inner vertex first
//curbVertices.Add(cV + (dir.normalized * 2));
//curbVertices.Add(cV);
curbVertices.Add(pos);
float x = (float)j / (curbMesh.Vertices.Count - 1);
float y = (float)i / segStart;
Vector2 uv = new Vector2(x, y);
curbUvs.Add(uv);
}
}
//Setup the triangles
for (int j = 0; j < curbVertices.Count - (curbMesh.Vertices.Count + 2); j++)
{
float value = (j + 1) / (float)curbMesh.Vertices.Count % 1f;
if (value != 0)
{
curbTriangles.Add(j);
curbTriangles.Add(j + curbMesh.Vertices.Count);
curbTriangles.Add(j + curbMesh.Vertices.Count + 1);
curbTriangles.Add(j);
curbTriangles.Add(j + curbMesh.Vertices.Count + 1);
curbTriangles.Add(j + 1);
}
}
}
CombineInstance ci = new CombineInstance();
Mesh m = new Mesh();
m.vertices = curbVertices.ToArray();
m.uv = curbUvs.ToArray();
m.triangles = curbTriangles.ToArray();
ci.mesh = m;
ci.transform = transform.localToWorldMatrix;
allCurbMeshes.Add(ci);
}
}
}
else if (Spline.SplineCurveType == CurveType.CatmullRom)
{
//create the curbs from the control points. This assumes that the sharepest
//part of the curve is the control point
//Go though all the vertices in the track mesh
for (int i = 0; i < proMesh.Vertices.Count; i++)
{
//Store all the vertices for the current curb
List <Vector3> curbVertices = new List <Vector3>();
//Store all the uvs for the current curb
List <Vector2> curbUvs = new List <Vector2>();
//Store all the triangle for the current curb
List <int> curbTriangles = new List <int>();
//Get the number of segmnets each spline curve it broken
//up into
int segStart = ((Spline.SmoothSplineResoultion + 1) * 2);
if (i % segStart == 0)
{
//Get the overall offset value form the control point
//this is the number of vertices from the control point
int offset = (segStart * 2) / 8;
//Get the start and end vertex point for the left side of the mesh
int leftStartIndex = Helper.LoopIndex(i, -(offset + 2), proMesh.Vertices.Count);
int leftEndIndex = Helper.LoopIndex(i, (offset), proMesh.Vertices.Count);
//Get the distance for the left side of the spline
float splineLeft = (proMesh.Vertices[leftStartIndex] -
proMesh.Vertices[leftEndIndex]).magnitude;
//Get the start and end vertex point for the right side of the mesh
int rightStartIndex = Helper.LoopIndex(i, -(offset + 1), proMesh.Vertices.Count);
int rightEndIndex = Helper.LoopIndex(i, (offset + 1), proMesh.Vertices.Count);
//Get the distance for the right side of the spline
float splineRight = (proMesh.Vertices[rightStartIndex] -
proMesh.Vertices[rightEndIndex]).magnitude;
//check which side of the track mesh is smaller
//this is the side which will have the curb made for
if (splineLeft < splineRight)
{
int cIndex = leftStartIndex;
curbMesh.Vertices.Reverse();
//create mesh
for (int j = 0; j < (offset * 2 + 1); j += 2)
{
cIndex = Helper.LoopIndex(leftStartIndex, j, proMesh.Vertices.Count);
for (int k = 0; k < curbMesh.Vertices.Count; k++)
{
//ROTATE VERTICES
Vector3 cV = proMesh.Vertices[cIndex];
Vector3 cVT = proMesh.Vertices[Helper.ALoopIndex(cIndex, proMesh.Vertices.Count)];
Vector3 dir = cV -
cVT;
//Set the new vertex position
Vector3 pos = cV + (curbMesh.Vertices[k].x * dir.normalized);
pos += (curbMesh.ShapeWidth) * dir.normalized;
//if we are on the first or last row of vertices for this curb
//clamp the y value to 0
if (j == 0 || j == (offset * 2 + 1) - 1)
{
pos.y = 0;
}
else
{
pos.y = 0 + curbMesh.Vertices[k].y;
}
//add curb to vertex list
curbVertices.Add(pos);
//Set the new vertex uv
float x = (float)j / (curbMesh.Vertices.Count - 1);
float y = (float)i / Spline.SmoothSplineResoultion + 1;
Vector2 uv = new Vector2(x, y);
curbUvs.Add(uv);
}
}
//Setup the triangles
for (int j = 0; j < curbVertices.Count - (curbMesh.Vertices.Count + 1); j++)
{
float value = (j + 1) / (float)curbMesh.Vertices.Count % 1f;
if (value != 0)
{
curbTriangles.Add(j);
curbTriangles.Add(j + curbMesh.Vertices.Count);
curbTriangles.Add(j + curbMesh.Vertices.Count + 1);
curbTriangles.Add(j);
curbTriangles.Add(j + curbMesh.Vertices.Count + 1);
curbTriangles.Add(j + 1);
}
}
curbMesh.Vertices.Reverse();
//Add new mesh to the combine instance list
CombineInstance ci = new CombineInstance();
Mesh m = new Mesh();
m.vertices = curbVertices.ToArray();
m.uv = curbUvs.ToArray();
m.triangles = curbTriangles.ToArray();
ci.mesh = m;
ci.transform = transform.localToWorldMatrix;
allCurbMeshes.Add(ci);
}
else
{
int cIndex = rightStartIndex;
//create mesh
for (int j = 0; j < (offset * 2 + 1); j += 2)
{
cIndex = Helper.LoopIndex(rightStartIndex, j, proMesh.Vertices.Count);
for (int k = 0; k < curbMesh.Vertices.Count; k++)
{
Vector3 cV = proMesh.Vertices[cIndex];
Vector3 cVT = proMesh.Vertices[Helper.SLoopIndex(cIndex, proMesh.Vertices.Count)];
Vector3 dir = cV -
cVT;
//Set the new vertex position
Vector3 pos = cV + (curbMesh.Vertices[k].x * dir.normalized);
pos += (curbMesh.ShapeWidth) * dir.normalized;
//if we are on the first or last row of vertices for this curb
//clamp the y value to 0
if (j == 0 || j == (offset * 2 + 1) - 1)
{
pos.y = 0;
}
else
{
pos.y = 0 + curbMesh.Vertices[k].y;
}
//add curb to vertex list
curbVertices.Add(pos);
//Set the new vertex uv
float x = (float)j / (curbMesh.Vertices.Count - 1);
float y = (float)i / Spline.SmoothSplineResoultion + 1;
Vector2 uv = new Vector2(x, y);
curbUvs.Add(uv);
}
}
//Setup the triangles
for (int j = 0; j < curbVertices.Count - (curbMesh.Vertices.Count + 1); j++)
{
float value = (j + 1) / (float)curbMesh.Vertices.Count % 1f;
if (value != 0)
{
curbTriangles.Add(j);
curbTriangles.Add(j + curbMesh.Vertices.Count);
curbTriangles.Add(j + curbMesh.Vertices.Count + 1);
curbTriangles.Add(j);
curbTriangles.Add(j + curbMesh.Vertices.Count + 1);
curbTriangles.Add(j + 1);
}
}
//Add new mesh to the combine instance list
CombineInstance ci = new CombineInstance();
Mesh m = new Mesh();
m.vertices = curbVertices.ToArray();
m.uv = curbUvs.ToArray();
m.triangles = curbTriangles.ToArray();
ci.mesh = m;
ci.transform = transform.localToWorldMatrix;
allCurbMeshes.Add(ci);
}
}
}
}
curbsMesh = new Mesh();
//Combine all curb meshs in to one
curbsMesh.CombineMeshes(allCurbMeshes.ToArray());
//Clean up all the meshes by destroying them
for (int i = 0; i < allCurbMeshes.Count; i++)
{
allCurbMeshes[i].mesh.Clear();
}
}
/// <summary>
/// Generate the spline from all the current control points
/// </summary>
private void SmoothSplineFromControlPoints(List <Vector3> a_newControlPoints)
{
//Set ControlPoints to a_newControlPoints
ControlPoints = a_newControlPoints;
//List of new points. These points will be oriented
List <OrientedPoint> splineEdge = new List <OrientedPoint>();
if (SplineCurveType == CurveType.Bezier)
{
//Loop though allSmoothPoints
for (int i = 1; i < ControlPoints.Count; i += 3)
{
//Check if two site's are close and facing the same direction
//if there are within a range then set it as one point
Vector3 cSite = ControlPoints[i];
Vector3 nSite = ControlPoints[Helper.LoopIndex(i, 3, ControlPoints.Count)];
//Get if the sites are within range
if ((cSite - nSite).magnitude < 50)
{
//if we are connecting the first and last site points
//remove the first set of points
if (Helper.ALoopIndex(i, ControlPoints.Count) == 0)
{
splineEdge.RemoveRange(0, smoothSplineSegmentResoultion + 1);
}
//Get all the control points for the current curve
Vector3 startPoint = ControlPoints[Helper.SLoopIndex(i, ControlPoints.Count)];
Vector3 midPoint = ControlPoints[i];
Vector3 endPoint = ControlPoints[Helper.ALoopIndex(i, ControlPoints.Count)];
//get the average direction
Vector3 dir = (((midPoint - startPoint) + (endPoint - midPoint)) * 0.5f).normalized;
//Make a new list for the curve
List <Vector3> newOPoints = new List <Vector3>();
for (int j = 0; j <= smoothSplineSegmentResoultion; j++)
{
//get the new point in the bezier curve
Vector3 pos = BezierCurve(startPoint, midPoint, midPoint, endPoint, j * (1f / smoothSplineSegmentResoultion));
OrientedPoint p = new OrientedPoint(pos, Quaternion.LookRotation(
(midPoint - pos).normalized, Vector3.up));
newOPoints.Add(p.Position);
splineEdge.Add(p);
}
i++;
}
else
{
//Get all the control points for the current curve
Vector3 startPoint = ControlPoints[Helper.SLoopIndex(i, ControlPoints.Count)];
Vector3 midPoint = ControlPoints[i];
Vector3 endPoint = ControlPoints[Helper.ALoopIndex(i, ControlPoints.Count)];
//get the average direction
Vector3 dir = (((midPoint - startPoint) + (endPoint - midPoint)) * 0.5f).normalized;
//Make a new list for the curve
List <Vector3> newOPoints = new List <Vector3>();
for (int j = 0; j <= smoothSplineSegmentResoultion; j++)
{
//get the new point in the bezier curve
Vector3 pos = BezierCurve(startPoint, midPoint, midPoint, endPoint, j * (1f / smoothSplineSegmentResoultion));
OrientedPoint p = new OrientedPoint(pos, Quaternion.LookRotation(
(midPoint - pos).normalized, Vector3.up));
newOPoints.Add(p.Position);
splineEdge.Add(p);
}
}
}
}
else if (SplineCurveType == CurveType.CatmullRom)
{
for (int i = 0; i < ControlPoints.Count; i++)
{
//get all points needed for a spline from p1 to p2
Vector3 p0 = ControlPoints[Helper.SLoopIndex(i, ControlPoints.Count)];
Vector3 p1 = ControlPoints[i];
Vector3 p2 = ControlPoints[Helper.ALoopIndex(i, ControlPoints.Count)];
Vector3 p3 = ControlPoints[Helper.LoopIndex(i, 2, ControlPoints.Count)];
for (int j = 0; j <= SmoothSplineResoultion; j++)
{
Vector3 pos = GetCatmullRom(p0, p1, p2, p3, j * (1f / SmoothSplineResoultion));
splineEdge.Add(new OrientedPoint(pos, Quaternion.identity));
}
}
}
//clear the allSmoothPoints
allSmoothPoints.Clear();
//loop though all splineEdge's
for (int i = 0; i < splineEdge.Count; i++)
{
//add each splineEdge's position to allSmoothPoints
allSmoothPoints.Add(splineEdge[i].Position);
}
//set splinePoints to splineEdge
splinePoints = splineEdge;
}
/// <summary>
/// Smooth out all the corners in allSmoothSpline list
/// </summary>
private void SmoothSplineNoEdit()
{
//List of new points. These points will be oriented
List <OrientedPoint> splineEdge = new List <OrientedPoint>();
//List for all the control points (Control points are the site from the voronoi, the
//start point of the bezier curve and end point of the bezier curve
ControlPoints = new List <Vector3>();
if (SplineCurveType == CurveType.Bezier)
{
//Loop though allSmoothPoints
for (int i = 0; i < allSmoothPoints.Count; i++)
{
//Check if two site's are close and facing the same direction
//if there are within a range then set it as one point
Vector3 cSite = allSmoothPoints[i];
Vector3 nSite = allSmoothPoints[((i + 1) + allSmoothPoints.Count) % allSmoothPoints.Count];
//Get if the sites are within range
if (ApplyAutoModifcations && (cSite - nSite).magnitude < 50)
{
//if we are connecting the first and last site points
//remove the first set of points
if (((i + 1) + allSmoothPoints.Count) % allSmoothPoints.Count == 0)
{
splineEdge.RemoveRange(0, smoothSplineSegmentResoultion + 1);
}
//find the start point, midpoint and end point
Vector3 oStartPoint = (allSmoothPoints[((i - 1) + allSmoothPoints.Count) % allSmoothPoints.Count] + allSmoothPoints[i]) * 0.5f;
Vector3 startPoint = (oStartPoint + allSmoothPoints[i]) * 0.5f;
Vector3 midPoint = (allSmoothPoints[i] + allSmoothPoints[((i + 1) +
allSmoothPoints.Count) % allSmoothPoints.Count]) * 0.5f;
Vector3 oEndPoint = (allSmoothPoints[((i + 2) + allSmoothPoints.Count) % allSmoothPoints.Count] +
allSmoothPoints[((i + 1) + allSmoothPoints.Count) % allSmoothPoints.Count]) * 0.5f;
Vector3 endPoint = (oEndPoint + allSmoothPoints[((i + 1) + allSmoothPoints.Count) % allSmoothPoints.Count]) * 0.5f;
//Add points to controlpoints
ControlPoints.Add(startPoint);
ControlPoints.Add(midPoint);
ControlPoints.Add(endPoint);
//Get the average direction
Vector3 dir = (((midPoint - oStartPoint) + (oEndPoint - midPoint)) * 0.5f).normalized;
//Make a new list for the curve
List <Vector3> newOPoints = new List <Vector3>();
for (int j = 0; j <= smoothSplineSegmentResoultion; j++)
{
//get the new point in the bezier curve
Vector3 pos = BezierCurve(startPoint, midPoint, midPoint, endPoint, j * (1f / smoothSplineSegmentResoultion));
OrientedPoint p = new OrientedPoint(pos, Quaternion.LookRotation(
(midPoint - pos).normalized, Vector3.up));
newOPoints.Add(p.Position);
splineEdge.Add(p);
}
i++;
}
else if (!ApplyAutoModifcations)
{
//find the start point, midpoint and end point
Vector3 oStartPoint = (allSmoothPoints[((i - 1) + allSmoothPoints.Count) % allSmoothPoints.Count] + allSmoothPoints[i]) * 0.5f;
Vector3 startPoint = (oStartPoint + allSmoothPoints[i]) * 0.5f;
Vector3 midPoint = allSmoothPoints[i];
Vector3 oEndPoint = (allSmoothPoints[((i + 1) + allSmoothPoints.Count) % allSmoothPoints.Count] + allSmoothPoints[i]) * 0.5f;
Vector3 endPoint = (oEndPoint + allSmoothPoints[i]) * 0.5f;
if (ApplyAutoModifcations)
{
//check where the site is. If too close to a start or end point then the site will be moved
midPoint = SitePointCheck(startPoint, midPoint, endPoint);
//Get the average direction
Vector3 dir = (((allSmoothPoints[i] - startPoint) + (endPoint - allSmoothPoints[i])) * 0.5f).normalized;
float angle = Vector3.SignedAngle((endPoint - startPoint).normalized,
(midPoint - startPoint).normalized,
Vector3.up);
//if the angle from start to end point is greater than 75
//then move the site point to make the curve not as tight
if (Mathf.Abs(angle) > 75)
{
//Check which direction to move point in
Vector3 d = (midPoint - startPoint).normalized;
Vector3 d1 = (midPoint - endPoint).normalized;
Vector3 d2 = ((d + d1) * 0.5f).normalized;
Vector3 d3 = Vector3.Cross(d2, Vector3.up);
midPoint += (d3 * 8);
}
}
//add the start, mid and end point to the Control points list
ControlPoints.Add(startPoint);
ControlPoints.Add(midPoint);
ControlPoints.Add(endPoint);
//Make a new list for the curve
List <Vector3> newOPoints = new List <Vector3>();
for (int j = 0; j <= smoothSplineSegmentResoultion; j++)
{
//get the new point in the bezier curve
Vector3 pos = BezierCurve(startPoint, midPoint, midPoint, endPoint, j * (1f / smoothSplineSegmentResoultion));
OrientedPoint p = new OrientedPoint(pos, Quaternion.LookRotation(
(midPoint - pos).normalized, Vector3.up));
newOPoints.Add(p.Position);
splineEdge.Add(p);
}
}
}
//clear the allSmoothPoints
allSmoothPoints.Clear();
//loop though all splineEdge's
for (int i = 0; i < splineEdge.Count; i++)
{
//add each splineEdge's position to allSmoothPoints
allSmoothPoints.Add(splineEdge[i].Position);
}
//set splinePoints to splineEdge
splinePoints = splineEdge;
}
else if (SplineCurveType == CurveType.CatmullRom)
{
for (int i = 0; i < AllSmoothPoints.Count; i++)
{
if (ApplyAutoModifcations)
{
if ((AllSmoothPoints[i] - AllSmoothPoints[Helper.ALoopIndex(i, AllSmoothPoints.Count)]).magnitude
< 50)
{
Vector3 pos = (AllSmoothPoints[i] + AllSmoothPoints[Helper.ALoopIndex(i, AllSmoothPoints.Count)]) * 0.5f;
AllSmoothPoints.Insert(i, pos);
AllSmoothPoints.Remove(AllSmoothPoints[i]);
AllSmoothPoints.Remove(AllSmoothPoints[Helper.ALoopIndex(i, AllSmoothPoints.Count)]);
}
}
//get all points needed for a spline from p1 to p2
Vector3 p0 = AllSmoothPoints[Helper.SLoopIndex(i, AllSmoothPoints.Count)];
Vector3 p1 = AllSmoothPoints[i];
Vector3 p2 = AllSmoothPoints[Helper.ALoopIndex(i, AllSmoothPoints.Count)];
Vector3 p3 = AllSmoothPoints[Helper.LoopIndex(i, 2, AllSmoothPoints.Count)];
ControlPoints.Add(AllSmoothPoints[i]);
//spline start position
Vector3 lastPos = p1;
for (int j = 0; j <= SmoothSplineResoultion; j++)
{
Vector3 pos = GetCatmullRom(p0, p1, p2, p3, j * (1f / SmoothSplineResoultion));
lastPos = pos;
splineEdge.Add(new OrientedPoint(pos, Quaternion.identity));
}
splineEdge.Remove(splineEdge[splineEdge.Count - 1]);
}
//clear the allSmoothPoints
allSmoothPoints.Clear();
//loop though all splineEdge's
for (int i = 0; i < splineEdge.Count; i++)
{
//add each splineEdge's position to allSmoothPoints
allSmoothPoints.Add(splineEdge[i].Position);
}
//set splinePoints to splineEdge
splinePoints = splineEdge;
}
}
