private void Generate()
{
int vertexCount = clippedSamples.Length * (_slices + 1);
AllocateMesh(vertexCount, _slices * (clippedSamples.Length - 1) * 6);
int vertIndex = 0;
float avgTop = 0f;
float totalLength = 0f;
SplineComputer rootComputer = rootUser.computer;
Vector3 computerPosition = rootComputer.position;
Vector3 normal = rootComputer.TransformDirection(Vector3.right);
switch (_axis)
{
case Axis.Y: normal = rootComputer.TransformDirection(Vector3.up); break;
case Axis.Z: normal = rootComputer.TransformDirection(Vector3.forward); break;
}
for (int i = 0; i < clippedSamples.Length; i++)
{
Vector3 samplePosition = clippedSamples[i].position;
Vector3 localSamplePosition = rootComputer.InverseTransformPoint(samplePosition);
Vector3 bottomPosition = localSamplePosition;
Vector3 sampleDirection = clippedSamples[i].direction;
Vector3 sampleNormal = clippedSamples[i].normal;
float heightPercent = 1f;
if (_uvWrapMode == UVWrapMode.UniformX || _uvWrapMode == UVWrapMode.Uniform)
{
if (i > 0)
{
totalLength += Vector3.Distance(clippedSamples[i].position, clippedSamples[i - 1].position);
}
}
switch (_axis)
{
case Axis.X: bottomPosition.x = _symmetry ? -localSamplePosition.x : 0f; heightPercent = uvScale.y * Mathf.Abs(localSamplePosition.x); avgTop += localSamplePosition.x; break;
case Axis.Y: bottomPosition.y = _symmetry ? -localSamplePosition.y : 0f; heightPercent = uvScale.y * Mathf.Abs(localSamplePosition.y); avgTop += localSamplePosition.y; break;
case Axis.Z: bottomPosition.z = _symmetry ? -localSamplePosition.z : 0f; heightPercent = uvScale.y * Mathf.Abs(localSamplePosition.z); avgTop += localSamplePosition.z; break;
}
bottomPosition = rootComputer.TransformPoint(bottomPosition);
Vector3 right = Vector3.Cross(normal, sampleDirection).normalized;
Vector3 offsetRight = Vector3.Cross(sampleNormal, sampleDirection);
for (int n = 0; n < _slices + 1; n++)
{
float slicePercent = ((float)n / _slices);
tsMesh.vertices[vertIndex] = Vector3.Lerp(bottomPosition, samplePosition, slicePercent) + normal * offset.y + offsetRight * offset.x;
tsMesh.normals[vertIndex] = right;
switch (_uvWrapMode)
{
case UVWrapMode.Clamp: tsMesh.uv[vertIndex] = new Vector2((float)clippedSamples[i].percent * uvScale.x + uvOffset.x, slicePercent * uvScale.y + uvOffset.y); break;
case UVWrapMode.UniformX: tsMesh.uv[vertIndex] = new Vector2(totalLength * uvScale.x + uvOffset.x, slicePercent * uvScale.y + uvOffset.y); break;
case UVWrapMode.UniformY: tsMesh.uv[vertIndex] = new Vector2((float)clippedSamples[i].percent * uvScale.x + uvOffset.x, heightPercent * slicePercent * uvScale.y + uvOffset.y); break;
case UVWrapMode.Uniform: tsMesh.uv[vertIndex] = new Vector2(totalLength * uvScale.x + uvOffset.x, heightPercent * slicePercent * uvScale.y + uvOffset.y); break;
}
tsMesh.colors[vertIndex] = clippedSamples[i].color * color;
vertIndex++;
}
}
if (clippedSamples.Length > 0)
{
avgTop /= clippedSamples.Length;
}
MeshUtility.GeneratePlaneTriangles(ref tsMesh.triangles, _slices, clippedSamples.Length, avgTop < 0f);
}
