def line_flat(start: Vec3, end: Vec3, color: str = ""):
"""Draw a line in 3D space which is confined to ground level (z=20 units, to
prevent the line being hidden by grass or other ground decorations).
:param start: start location
:param end: end location
:param color: string naming the color
:return: None
"""
renderer.draw_line_3d(start.flat() + flat_z,
end.flat() + flat_z, get_color(color))
def line_flat(vec1: Vec3, vec2: Vec3, color: str = ""):
renderer.draw_line_3d(vec1.flat() + flat_z,
vec2.flat() + flat_z, get_color(color))