/// <summary>
/// Builds circle UVs.
/// </summary>
public override void UV(out Vector2[] uvs, GeometryBuilderUVSettings settings)
{
uvs = new Vector2[_numVertices];
BuildCircleUVs(
_numSides,
ref uvs);
}
/// <summary>
/// Generates UVs for a quad.
/// </summary>
/// <param name="uvs"></param>
/// <param name="settings"></param>
public override void UV(out Vector2[] uvs, GeometryBuilderUVSettings settings)
{
uvs = new[]
{
new Vector2(0, 0),
new Vector2(1, 0),
new Vector2(1, 1),
new Vector2(0, 1)
};
}
/// <summary>
/// Provides uvs for cylinder.
/// </summary>
public override void UV(out Vector2[] uvs, GeometryBuilderUVSettings settings)
{
uvs = new Vector2[_numVertices];
for (var i = 0; i < _numSides; i++)
{
var u = (float)i / _numSides;
uvs[i] = new Vector2(u, 0);
uvs[i + _numSides] = new Vector2(u, 1);
}
if (_settings.Endcaps)
{
BuildCircleUVs(2 * _numSides, ref uvs);
BuildCircleUVs(3 * _numSides + 1, ref uvs);
}
}
/// <summary>
/// Generates UVs for a plane.
/// </summary>
/// <param name="uvs"></param>
/// <param name="settings"></param>
public override void UV(out Vector2[] uvs, GeometryBuilderUVSettings settings)
{
uvs = new Vector2[_numVertices];
var invXVerts = 1f / (_xVerts - 1);
var invZVerts = 1f / (_zVerts - 1);
for (int x = 0; x < _xVerts; x++)
{
for (int z = 0; z < _zVerts; z++)
{
int vertIndex = x + z * _xVerts;
uvs[vertIndex] = new Vector2(
x * invXVerts,
z * invZVerts);
}
}
}
/// <summary>
/// Returns uvs.
/// </summary>
/// <param name="uvs"></param>
/// <param name="settings"></param>
public override void UV(out Vector2[] uvs, GeometryBuilderUVSettings settings)
{
uvs = _uvs;
}
/// <summary>
/// Returns null UVs.
/// </summary>
/// <param name="uvs"></param>
/// <param name="settings"></param>
public virtual void UV(out Vector2[] uvs, GeometryBuilderUVSettings settings)
{
uvs = null;
}