protected override void Generate()
{
int hVertCount = _sides + 1;
int vVertCount = _heightSegments + 1;
float startAngle = GetStartAngle();
float angleStep = _angleSweep / _sides;
float startHeight = GetStartY();
float heightStep = _height / _heightSegments;
Vector3[] verts = new Vector3[hVertCount * vVertCount];
Vector2[] uvs = new Vector2[hVertCount * vVertCount];
int vertexIndex = 0;
for (int x = 0; x < hVertCount; x++)
{
float angle = angleStep * x + startAngle;
Vector3 baseVertex = _radius * new Vector3(Mathf.Cos(angle), 0, Mathf.Sin(angle));
for (int y = 0; y < vVertCount; y++)
{
Vector3 vertex = baseVertex + new Vector3(0, startHeight - heightStep * y, 0);
verts[vertexIndex] = vertex;
uvs[vertexIndex] = MeshGenerationUtils.GenerateUVCoord(x, y, hVertCount, vVertCount, -Vector2.one, Vector2.one);
vertexIndex++;
}
}
_progress = 1f;
// Only one LOD is generated.
_meshData = new MeshData[] {
new MeshData()
{
Vertices = verts,
TexCoords = uvs,
Triangles = MeshGenerationUtils.GenerateTrianglesTransposed(hVertCount, vVertCount)
}
};
}
private Mesh GenerateMesh()
{
Vector3[] verts = new Vector3[] {
new Vector3(0, 0),
new Vector3(0, 1),
new Vector3(1, 0),
new Vector3(1, 1)
};
Vector2[] uvs = new Vector2[] {
new Vector3(0, 0),
new Vector3(0, 1),
new Vector3(1, 0),
new Vector3(1, 1)
};
int[] tris = MeshGenerationUtils.GenerateTrianglesTransposed(2, 2);
return(new Mesh {
vertices = verts,
uv = uvs,
triangles = tris
});
}