private void SetVertices()
{
int iDelta = pipeSegmentCount * 4;
for (int u = 1, i = iDelta; u <= points.Count - 1; u++, i += iDelta)
{
SegmentPoints First = points[u];
SegmentPoints Second = points[u - 1];
List <Vector3> dotsFirst = First.SegmentPointsOutside;
List <Vector3> dotsSecond = Second.SegmentPointsOutside;
List <Vector3> dotsFirstInside = First.SegmentPointsInside;
List <Vector3> dotsSecondInside = Second.SegmentPointsInside;
Vector3 vertexA = dotsFirst[dotsFirst.Count - 1];
Vector3 vertexB = dotsSecond[dotsSecond.Count - 1];
Vector3 vertexAInside = dotsFirstInside[dotsFirstInside.Count - 1];
Vector3 vertexBInside = dotsSecondInside[dotsSecondInside.Count - 1];
// Caps
if (u == 1)
{
for (int v = 0, t = 0; v < pipeSegmentCount; v++, t += 4)
{
vertices[t] = vertexB;
vertices[t + 1] = vertexB = dotsSecond[v];
vertices[t + 2] = vertexBInside;
vertices[t + 3] = vertexBInside = dotsSecondInside[v];
}
}
if (u == points.Count - 1)
{
for (int v = 0, t = 0; v < pipeSegmentCount; v++, t += 4)
{
var innerTubeStart = vertices.Length / 2 + t;
vertices[innerTubeStart] = vertexAInside;
vertices[innerTubeStart + 1] = vertexAInside = dotsFirstInside[v];
vertices[innerTubeStart + 2] = vertexA;
vertices[innerTubeStart + 3] = vertexA = dotsFirst[v];
}
}
// Pipe
for (int v = 0, t = i; v < pipeSegmentCount; v++, t += 4)
{
vertices[t] = vertexA;
vertices[t + 1] = vertexA = dotsFirst[v];
vertices[t + 2] = vertexB;
vertices[t + 3] = vertexB = dotsSecond[v];
var innerTubeStart = vertices.Length / 2 + t;
vertices[innerTubeStart] = vertexBInside;
vertices[innerTubeStart + 1] = vertexBInside = dotsSecondInside[v];
vertices[innerTubeStart + 2] = vertexAInside;
vertices[innerTubeStart + 3] = vertexAInside = dotsFirstInside[v];
}
}
mesh.vertices = vertices;
}
public SegmentPoints CalculatePoints(Transform _transform, int _segmentCount, float _radius, float _width)
{
List <Vector3> outside = new List <Vector3>();
List <Vector3> inside = new List <Vector3>();
float vStep = (2f * Mathf.PI) / _segmentCount;
Quaternion rotation = Quaternion.Euler(_transform.rotation.x, _transform.rotation.y, _transform.rotation.z);
for (int v = 0; v < _segmentCount; v++)
{
var pointOnCircle = GetPointOnTorus(0, v * vStep, _radius);
var point = rotation * _transform.TransformPoint(pointOnCircle);
outside.Add(point);
var pointOnCircleInside = GetPointOnTorus(0, v * vStep, _width);
var pointInside = rotation * _transform.TransformPoint(pointOnCircleInside);
inside.Add(pointInside);
}
SegmentPoints points = new SegmentPoints(outside, inside);
return(points);
}