Turtle, Observer, Patch

shown?-towards angle distance

Parameters:
angle Number angle from the caller
distance Number distance from the caller

Description:
Reports whether the turtle distance away at an angle of angle from the caller is visible.

Examples:
shown?-towards 0 1 reports whether the turtle one unit directly in front of the caller is visible.

Related Commands:
hideturtle setshown?-towards shown? shown?-at shown?-of showturtle