// Token: 0x0600431A RID: 17178 RVA: 0x0015F4FC File Offset: 0x0015D8FC
public static float GenerateGeometry(Mesh mesh, float side, int subdivision)
{
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
side = Mathf.Clamp(side, 0.01f, 100f);
subdivision = Mathf.Clamp(subdivision, 0, 7);
mesh.Clear();
int triCount = TrianglePrimitive.GetTriCount(subdivision);
int vertCount = TrianglePrimitive.GetVertCount(subdivision);
int[] array = new int[triCount * 3];
int[] array2 = new int[triCount * 3];
Vector3[] array3 = new Vector3[vertCount];
Vector3[] array4 = new Vector3[vertCount];
Vector2[] array5 = new Vector2[vertCount];
Vector3 zero = Vector3.zero;
Vector3 vector = new Vector3(1f, 0f, 0f);
Vector3 vector2 = zero + vector * side;
Vector3 a = Quaternion.AngleAxis(-60f, Vector3.up) * vector;
Vector3 vector3 = zero + a * side;
Vector3 b = (zero + vector2 + vector3) / 3f;
array3[0] = zero - b;
array3[1] = vector2 - b;
array3[2] = vector3 - b;
array4[0] = new Vector3(0f, 1f, 0f);
array4[1] = new Vector3(0f, 1f, 0f);
array4[2] = new Vector3(0f, 1f, 0f);
array[0] = 2;
array[1] = 1;
array[2] = 0;
array5[0] = new Vector2(0f, 0f);
array5[1] = new Vector2(1f, 0f);
array5[2] = new Vector2(0.5f, Mathf.Sin(1.04719758f));
Dictionary<int, int> indexLookup = new Dictionary<int, int>();
int vertCount2 = TrianglePrimitive.GetVertCount(0);
for (int i = 0; i < subdivision; i++)
{
int num = 0;
int num2 = TrianglePrimitive.GetTriCount(i) * 3;
for (int j = 0; j < num2; j += 3)
{
int num3 = array[j];
int num4 = array[j + 1];
int num5 = array[j + 2];
int num6 = TrianglePrimitive.AddMidPoint(array3, array5, array4, vertCount2++, num3, num4, indexLookup);
int num7 = TrianglePrimitive.AddMidPoint(array3, array5, array4, vertCount2++, num4, num5, indexLookup);
int num8 = TrianglePrimitive.AddMidPoint(array3, array5, array4, vertCount2++, 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[] array6 = array2;
array2 = array;
array = array6;
}
mesh.vertices = array3;
mesh.normals = array4;
mesh.uv = array5;
mesh.triangles = array;
mesh.RecalculateBounds();
MeshUtils.CalculateTangents(mesh);
stopwatch.Stop();
return (float)stopwatch.ElapsedMilliseconds;
}
// Token: 0x0600431C RID: 17180 RVA: 0x0015F918 File Offset: 0x0015DD18
private static int GetVertCount(int subdivision)
{
return TrianglePrimitive.GetTriCount(subdivision) * 3;
}
