public static LFTree Transform(LFTree t, Matrix4x4 matrix)
{
Matrix4x4 invert = matrix.inverse;
LFTree x = LFTree.x, y = LFTree.y, z = LFTree.z;
return(t.Remap(
invert.m00 * x + invert.m01 * y + invert.m02 * z + invert.m03,
invert.m10 * x + invert.m11 * y + invert.m12 * z + invert.m13,
invert.m20 * x + invert.m21 * y + invert.m22 * z + invert.m23));
}
/// <summary>Clip the given shape at the z origin,
/// and duplicate the remaining shape reflected
/// on the other side of the origin</summary>
public static LFTree SymmetricZ(this LFTree t)
{
return(t.Remap(LFTree.x, LFTree.y, Abs(LFTree.z)));
}
/// <summary>Clip the given shape at the x origin,
/// and duplicate the remaining shape reflected
/// on the other side of the origin</summary>
public static LFTree SymmetricX(this LFTree t)
{
return(t.Remap(Abs(LFTree.x), LFTree.y, LFTree.z));
}
/// <summary>Moves the given shape across the plane X=Z</summary>
public static LFTree ReflectXZ(this LFTree t, float offset = 0f)
{
return(t.Remap(LFTree.z, LFTree.y, LFTree.x));
}
/// <summary>Reflect the given shape about the z origin or an optional offset"</summary>
public static LFTree ReflectZ(this LFTree t, float offset = 0f)
{
return(t.Remap(LFTree.x, LFTree.y, (2f * offset) - LFTree.z));
}
//Reference: https://github.com/libfive/libfive/blob/master/libfive/bind/transforms.scm
/// <summary>Translates this shape</summary>
public static LFTree Move(LFTree t, Vector3 translation)
{
return(t.Remap(LFTree.x - translation.x, LFTree.y - translation.y, LFTree.z - translation.z));
}
