Class Summary |
Back |
moves the turtle backwards by the amount specified |
Clean |
clears the drawing area (the turtles statistics do not reset) |
ClearScreen |
erases the drawing area and sends the turtle to the home position (Like CLEAN
and HOME) |
Forward |
moves the turtle forward by dist pixels |
Heading |
|
HideTurtle |
|
Home |
moves the turtle to the center of the screen (0 0) |
IsPenDown |
returns 1 (:TRUE) if the pen is down, 0 (:FALSE) if it's up. |
Left |
turns the turtle counterclockwise by the specified angle |
OneParameterInstruction |
|
PenDown |
sets the pen's position to DOWN |
PenUp |
sets the pen's position to UP |
Right |
turns the turtle clockwise by the specified angle |
SetPenColor |
Sets the turtle's pen color. |
SetX |
moves the turtle horizontally to a new absolute horizontal coordinate |
SetXY |
moves the turtle to an absolute screen position. |
SetY |
moves the turtle vertically to a new absolute vertical coordinate. |
ShowTurtle |
makes the turtle visible |
Towards |
returns a heading the turtle should be facing to point from its current
position to the given position |
XCor |
returns the turtle's X coordinate |
YCor |
returns the turtle's Y coordinate |