internal static Mesh GetMesh(float outerRadius, float innerRadius, int segments, int removedQuads = 0)
{
segments = Mathf.Max(segments, 3);
removedQuads = Mathf.Max(removedQuads, 0);
outerRadius = Mathf.Max(0, outerRadius);
innerRadius = Mathf.Max(0, innerRadius);
if (innerRadius > outerRadius)
{
float newInnerRadius = outerRadius;
outerRadius = innerRadius;
innerRadius = newInnerRadius;
}
if (removedQuads >= segments)
{
return(new Mesh());
}
List <Vector3> vertices = new List <Vector3>(ProceduralHead.GetCircleVertices(segments));
vertices.AddRange(vertices.ToArray());
int[] triangles = new int[segments * 6];
int outerOffset = segments - 1;
for (int i = 0; i < segments; i++)
{
vertices[i] *= innerRadius;
vertices[i + segments] *= outerRadius;
if (i < segments - removedQuads)
{
int triangleStart = i * 6;
int outerStart = i + outerOffset;
triangles[triangleStart++] = i == outerOffset ? 0 : i;
triangles[triangleStart++] = i == outerOffset ? i : outerStart + 1;
triangles[triangleStart++] = i == outerOffset ? vertices.Count - 1 : outerStart + 2;
triangles[triangleStart++] = i == outerOffset ? segments : i;
triangles[triangleStart++] = i == outerOffset ? 0 : outerStart + 2;
triangles[triangleStart++] = i == outerOffset ? vertices.Count - 1 : i + 1;
}
}
Mesh mesh = new Mesh();
mesh.vertices = vertices.ToArray();
mesh.triangles = triangles;
mesh.RecalculateNormals();
mesh.RecalculateBounds();
return(mesh);
}
internal static Mesh GetMesh(float radius, int segments, int removedTriagles = 0)
{
segments = Mathf.Max(segments, 3);
removedTriagles = Mathf.Max(removedTriagles, 0);
if (removedTriagles >= segments)
{
return(new Mesh());
}
List <Vector3> vertices = new List <Vector3>(ProceduralHead.GetCircleVertices(segments));
vertices.Add(Vector3.zero);
int[] triangles = new int[(vertices.Count - 1) * 3];
for (int i = 0; i < vertices.Count; i++)
{
vertices[i] *= radius;
if (i < vertices.Count - (1 + removedTriagles))
{
int triangleStart = i * 3;
triangles[triangleStart++] = i;
triangles[triangleStart++] = i == vertices.Count - 2 ? 0 : i + 1;
triangles[triangleStart++] = vertices.Count - 1;
}
}
Mesh mesh = new Mesh();
mesh.vertices = vertices.ToArray();
mesh.triangles = triangles;
mesh.RecalculateNormals();
mesh.RecalculateBounds();
return(mesh);
}
internal static Mesh GetMesh(float footRadiusOuter, float headRadiusOuter, float footRadiusInner, float headRadiusInner,
float innerHeadHeight, float outerHeadHeight, float innerFootHeight, float outerFootHeight,
int segments)
{
segments = Mathf.Max(segments, 3);
headRadiusOuter = Mathf.Max(0, headRadiusOuter);
footRadiusOuter = Mathf.Max(0, footRadiusOuter);
innerHeadHeight = Mathf.Abs(innerHeadHeight);
List <Vector3> newVerts = new List <Vector3>(ProceduralHead.GetCircleVertices(segments));
newVerts.AddRange(newVerts);
// Shaft ends
List <Vector3> vertices = new List <Vector3>(newVerts.ToArray());
// Outer cap ends
vertices.AddRange(newVerts.ToArray());
// Inner cap ends
vertices.AddRange(newVerts.ToArray());
// Inner shaft ends
vertices.AddRange(newVerts.ToArray());
int[] triangles = new int[segments * 30];
Vector3 innerHeadPosition = -Vector3.up * innerHeadHeight;
Vector3 outerHeadPosition = -Vector3.up * outerHeadHeight;
Vector3 innerFootPosition = Vector3.up * innerFootHeight;
Vector3 outerFootPosition = Vector3.up * outerFootHeight;
Mesh mesh = new Mesh();
int headOffset = segments - 1;
int footCapStart = segments * 2;
int outerCapEnd = segments * 3;
int innerCapStart = segments * 4;
int innerCapEnd = segments * 5;
int innerShaftStart = segments * 6;
for (int i = 0; i < segments; i++)
{
bool finalQuad = i == segments - 1;
int outerShaftHead = i;
int outerShaftFoot = i + segments;
int outerCapHead = i + footCapStart;
int innerCapHead = outerCapHead + segments;
int outerCapFoot = i + innerCapStart;
int innerCapFoot = outerCapFoot + segments;
int innerShaftHead = i + innerShaftStart;
int innerShaftFoot = innerShaftHead + segments;
// Shaft ends
vertices[outerShaftHead] *= headRadiusOuter;
vertices[outerShaftHead] += outerHeadPosition;
vertices[outerShaftFoot] *= footRadiusOuter;
vertices[outerShaftFoot] += outerFootPosition;
vertices[innerCapHead] *= headRadiusOuter;
vertices[innerCapHead] += outerHeadPosition;
vertices[outerCapHead] *= headRadiusInner;
vertices[outerCapHead] += innerHeadPosition;
vertices[outerCapFoot] *= footRadiusOuter;
vertices[outerCapFoot] += outerFootPosition;
vertices[innerCapFoot] *= footRadiusInner;
vertices[innerCapFoot] += innerFootPosition;
// Inner shaft ends
vertices[innerShaftHead] *= footRadiusInner;
vertices[innerShaftHead] += innerFootPosition;
vertices[innerShaftFoot] *= headRadiusInner;
vertices[innerShaftFoot] += innerHeadPosition;
int triangle = i * 30;
int vert1 = outerShaftHead;
int vert2 = outerShaftFoot;
int vert3 = finalQuad ? segments : outerShaftFoot + 1;
int vert4 = finalQuad ? 0 : outerShaftHead + 1;
ProceduralHead.CreateQuad(ref triangles, ref triangle, vert1, vert2, vert3, vert4);
vert1 = outerCapHead;
vert2 = innerCapHead;
vert3 = finalQuad ? footCapStart + segments: innerCapHead + 1;
vert4 = finalQuad ? footCapStart : outerCapHead + 1;
ProceduralHead.CreateQuad(ref triangles, ref triangle, vert1, vert2, vert3, vert4);
vert1 = outerCapFoot;
vert2 = innerCapFoot;
vert3 = finalQuad ? innerCapStart + segments : innerCapFoot + 1;
vert4 = finalQuad ? innerCapStart : outerCapFoot + 1;
ProceduralHead.CreateQuad(ref triangles, ref triangle, vert1, vert2, vert3, vert4);
vert1 = innerShaftHead;
vert2 = innerShaftFoot;
vert3 = finalQuad ? innerShaftStart + segments : innerShaftFoot + 1;
vert4 = finalQuad ? innerShaftStart : innerShaftHead + 1;
ProceduralHead.CreateQuad(ref triangles, ref triangle, vert1, vert2, vert3, vert4);
}
mesh.vertices = vertices.ToArray();
mesh.RecalculateBounds();
mesh.triangles = triangles;
mesh.RecalculateTangents();
mesh.RecalculateNormals();
return(mesh);
}
internal static Mesh GetMesh(float headRadius, float footRadius, float extent, int segments)
{
segments = Mathf.Max(segments, 3);
footRadius = Mathf.Max(0, footRadius);
headRadius = Mathf.Max(0, headRadius);
extent = Mathf.Abs(extent);
List <Vector3> newVerts = new List <Vector3>(ProceduralHead.GetCircleVertices(segments));
List <Vector3> vertices = new List <Vector3>(newVerts.ToArray());
vertices.AddRange(newVerts.ToArray());
vertices.AddRange(newVerts.ToArray());
vertices.AddRange(newVerts.ToArray());
int[] triangles = new int[segments * 12];
Vector3 headPosition = Vector3.up * extent;
Vector3 footPosition = -Vector3.up * extent;
Mesh mesh = new Mesh();
int capsStart = segments * 2;
int headOffset = segments - 1;
for (int i = 0; i < segments; i++)
{
vertices[i] *= headRadius;
vertices[i] += headPosition;
vertices[i + segments] *= footRadius;
vertices[i + segments] += footPosition;
vertices[i + capsStart] *= headRadius;
vertices[i + capsStart] += headPosition;
vertices[i + capsStart + segments] *= footRadius;
vertices[i + capsStart + segments] += footPosition;
int shaftTriangle = i * 6;
int footVert = i;
int headStart = footVert + headOffset;
triangles[shaftTriangle++] = footVert == headOffset ? 0 : footVert;
triangles[shaftTriangle++] = footVert == headOffset ? footVert : headStart + 1;
triangles[shaftTriangle++] = footVert == headOffset ? capsStart - 1 : headStart + 2;
triangles[shaftTriangle++] = footVert == headOffset ? segments : footVert;
triangles[shaftTriangle++] = footVert == headOffset ? 0 : headStart + 2;
triangles[shaftTriangle++] = footVert == headOffset ? capsStart - 1 : footVert + 1;
int capTriangle = (i * 6) + (segments * 6);
int capFootVert = i + capsStart;
int capHeadVert = capFootVert + headOffset;
triangles[capTriangle++] = capHeadVert;
triangles[capTriangle++] = capsStart + segments;
triangles[capTriangle++] = capFootVert != vertices.Count - 1 ? capHeadVert + 1 : capHeadVert;
if (i < segments - 1)
{
triangles[capTriangle++] = capsStart;
triangles[capTriangle++] = capFootVert;
triangles[capTriangle++] = capFootVert != capHeadVert - 1 ? capFootVert + 1 : capsStart;
}
}
mesh.vertices = vertices.ToArray();
mesh.RecalculateBounds();
mesh.triangles = triangles;
mesh.RecalculateTangents();
mesh.RecalculateNormals();
return(mesh);
}