// Token: 0x060042FC RID: 17148 RVA: 0x0015AB44 File Offset: 0x00158F44
private static int GetVertCount(GeoSpherePrimitive.BaseType type, int subdivision, bool sharedVertices)
{
int triCount = GeoSpherePrimitive.GetTriCount(type, subdivision);
if (sharedVertices)
{
return(triCount);
}
return(triCount * 3);
}
// Token: 0x060042FA RID: 17146 RVA: 0x0015A5D0 File Offset: 0x001589D0
private static void InitBasePrimitive(float radius, GeoSpherePrimitive.BaseType baseType, Vector3[] vertices, Vector2[] uvs, int[] triangles)
{
switch (baseType)
{
case GeoSpherePrimitive.BaseType.Tetrahedron:
{
float num = 1f / Mathf.Sqrt(2f);
float num2 = 1f / Mathf.Sqrt(1.5f);
float num3 = 0.67f * radius / num2;
num = 0.67f * radius * num / num2;
GeoSpherePrimitive.SetVertices(vertices, new Vector3[]
{
new Vector3(num3, 0f, -num),
new Vector3(-num3, 0f, -num),
new Vector3(0f, num3, num),
new Vector3(0f, -num3, num)
});
GeoSpherePrimitive.SetTriangles(triangles, new int[]
{
0,
1,
2,
1,
3,
2,
0,
2,
3,
0,
3,
1
});
break;
}
case GeoSpherePrimitive.BaseType.Octahedron:
GeoSpherePrimitive.SetVertices(vertices, new Vector3[]
{
new Vector3(0f, -radius, 0f),
new Vector3(-radius, 0f, 0f),
new Vector3(0f, 0f, -radius),
new Vector3(radius, 0f, 0f),
new Vector3(0f, 0f, radius),
new Vector3(0f, radius, 0f)
});
GeoSpherePrimitive.SetTriangles(triangles, new int[]
{
0,
1,
2,
0,
2,
3,
0,
3,
4,
0,
4,
1,
5,
2,
1,
5,
3,
2,
5,
4,
3,
5,
1,
4
});
break;
case GeoSpherePrimitive.BaseType.Icosahedron:
{
float num4 = 1f;
float num5 = (1f + Mathf.Sqrt(5f)) / 2f;
float num6 = radius / Mathf.Sqrt(num4 * num4 + num5 * num5);
num4 *= num6;
num5 *= num6;
GeoSpherePrimitive.SetVertices(vertices, new Vector3[]
{
new Vector3(-num4, num5, 0f),
new Vector3(num4, num5, 0f),
new Vector3(-num4, -num5, 0f),
new Vector3(num4, -num5, 0f),
new Vector3(0f, -num4, num5),
new Vector3(0f, num4, num5),
new Vector3(0f, -num4, -num5),
new Vector3(0f, num4, -num5),
new Vector3(num5, 0f, -num4),
new Vector3(num5, 0f, num4),
new Vector3(-num5, 0f, -num4),
new Vector3(-num5, 0f, num4)
});
GeoSpherePrimitive.SetTriangles(triangles, new int[]
{
0,
11,
5,
0,
5,
1,
0,
1,
7,
0,
7,
10,
0,
10,
11,
1,
5,
9,
5,
11,
4,
11,
10,
2,
10,
7,
6,
7,
1,
8,
3,
9,
4,
3,
4,
2,
3,
2,
6,
3,
6,
8,
3,
8,
9,
4,
9,
5,
2,
4,
11,
6,
2,
10,
8,
6,
7,
9,
8,
1
});
break;
}
case GeoSpherePrimitive.BaseType.Icositetrahedron:
{
float num7 = radius / Mathf.Sqrt(3f);
GeoSpherePrimitive.SetVertices(vertices, new Vector3[]
{
new Vector3(0f, radius, 0f),
new Vector3(0f, -radius, 0f),
new Vector3(radius, 0f, 0f),
new Vector3(-radius, 0f, 0f),
new Vector3(0f, 0f, radius),
new Vector3(0f, 0f, -radius),
new Vector3(-num7, num7, num7),
new Vector3(-num7, num7, -num7),
new Vector3(num7, num7, -num7),
new Vector3(num7, num7, num7),
new Vector3(-num7, -num7, num7),
new Vector3(-num7, -num7, -num7),
new Vector3(num7, -num7, -num7),
new Vector3(num7, -num7, num7)
});
GeoSpherePrimitive.SetTriangles(triangles, new int[]
{
0,
7,
6,
0,
8,
7,
0,
9,
8,
0,
6,
9,
1,
10,
11,
1,
11,
12,
1,
12,
13,
1,
13,
10,
2,
8,
9,
2,
9,
13,
2,
13,
12,
2,
12,
8,
3,
6,
7,
3,
7,
11,
3,
11,
10,
3,
10,
6,
4,
9,
6,
4,
13,
9,
4,
10,
13,
4,
6,
10,
5,
7,
8,
5,
8,
12,
5,
12,
11,
5,
11,
7
});
break;
}
}
}
// Token: 0x060042F8 RID: 17144 RVA: 0x0015A1FC File Offset: 0x001585FC
public static float GenerateGeometry(Mesh mesh, float radius, int subdivision, GeoSpherePrimitive.BaseType baseType, NormalsType normalsType, PivotPosition pivotPosition)
{
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
radius = Mathf.Clamp(radius, 0f, 100f);
subdivision = Mathf.Clamp(subdivision, 0, 6);
mesh.Clear();
bool sharedVertices = normalsType == NormalsType.Vertex;
int i = GeoSpherePrimitive.GetVertCount(baseType, subdivision, sharedVertices);
int triCount = GeoSpherePrimitive.GetTriCount(baseType, subdivision);
while (i > 60000)
{
subdivision--;
i = GeoSpherePrimitive.GetVertCount(baseType, subdivision, sharedVertices);
triCount = GeoSpherePrimitive.GetTriCount(baseType, subdivision);
}
Vector3 zero = Vector3.zero;
if (pivotPosition != PivotPosition.Botttom)
{
if (pivotPosition == PivotPosition.Top)
{
zero = new Vector3(0f, -radius, 0f);
}
}
else
{
zero = new Vector3(0f, radius, 0f);
}
int[] array = new int[triCount * 3];
int[] array2 = new int[triCount * 3];
Vector3[] array3 = new Vector3[i];
Vector2[] array4 = new Vector2[i];
Vector3[] normals = null;
GeoSpherePrimitive.InitBasePrimitive(radius, baseType, array3, array4, array);
Dictionary <int, int> indexLookup = new Dictionary <int, int>();
int vertCount = GeoSpherePrimitive.GetVertCount(baseType, 0, sharedVertices);
for (int j = 0; j < subdivision; j++)
{
int num = 0;
int num2 = GeoSpherePrimitive.GetTriCount(baseType, j) * 3;
for (int k = 0; k < num2; k += 3)
{
int num3 = array[k];
int num4 = array[k + 1];
int num5 = array[k + 2];
int num6 = GeoSpherePrimitive.AddMidPoint(array3, radius, vertCount++, num3, num4, indexLookup);
int num7 = GeoSpherePrimitive.AddMidPoint(array3, radius, vertCount++, num4, num5, indexLookup);
int num8 = GeoSpherePrimitive.AddMidPoint(array3, radius, vertCount++, num5, num3, indexLookup);
array2[num] = num3;
array2[num + 1] = num6;
array2[num + 2] = num8;
array2[num + 3] = num4;
array2[num + 4] = num7;
array2[num + 5] = num6;
array2[num + 6] = num5;
array2[num + 7] = num8;
array2[num + 8] = num7;
array2[num + 9] = num6;
array2[num + 10] = num7;
array2[num + 11] = num8;
num += 12;
}
int[] array5 = array2;
array2 = array;
array = array5;
}
if (normalsType == NormalsType.Face)
{
MeshUtils.DuplicateSharedVertices(ref array3, ref array4, array, -1);
}
for (int l = 0; l < i; l++)
{
array4[l] = GeoSpherePrimitive.GetSphericalUV(ref array3[l]);
}
List <Vector3> list = new List <Vector3>(array3);
List <Vector2> list2 = new List <Vector2>(array4);
List <int> list3 = new List <int>(array);
GeoSpherePrimitive.CorrectSeam(list, list2, list3);
GeoSpherePrimitive.CorrectPoles(list, list2, ref list3, radius);
array3 = list.ToArray();
array = list3.ToArray();
if (normalsType == NormalsType.Vertex)
{
GeoSpherePrimitive.CalculateNormals(array3, out normals);
}
else
{
MeshUtils.ComputeVertexNormals(array3, array, out normals);
}
GeoSpherePrimitive.CorrectPivot(list, pivotPosition, ref zero);
if (list.Count > 60000)
{
UnityEngine.Debug.LogError("Too much vertices!");
return(0f);
}
mesh.vertices = list.ToArray();
mesh.uv = list2.ToArray();
mesh.triangles = list3.ToArray();
mesh.normals = normals;
mesh.RecalculateBounds();
MeshUtils.CalculateTangents(mesh);
stopwatch.Stop();
return((float)stopwatch.ElapsedMilliseconds);
}