Ad
related to: how to draw basic turtle
Search results
Results From The WOW.Com Content Network
Turtle graphics are often associated with the Logo programming language. [2] Seymour Papert added support for turtle graphics to Logo in the late 1960s to support his version of the turtle robot, a simple robot controlled from the user's workstation that is designed to carry out the drawing functions assigned to it using a small retractable pen set into or attached to the robot's body.
The first working Logo turtle robot was created in 1969. A display turtle preceded the physical floor turtle. Modern Logo has not changed very much from the basic concepts predating the first turtle. The first turtle was a tethered floor roamer, not radio-controlled or wireless. At BBN Paul Wexelblat developed a turtle named Irving that had ...
Hides the turtle and aids viewing a clear drawing on the screen: ht: SHOWTURTLE: ST: Shows the turtle after it is hidden from the screen: st: PENUP: PU: Sets the turtle to move without drawing: pu: PENDOWN: PD: Resets to a drawing pen when ordered to move: pd: CLEARTEXT: CT: Clears all text in the command screen: ct: CIRCLE: Makes a circle
Small Basic includes a "Turtle" graphics library that borrows from the Logo family of programming languages. For example, to draw a square using the turtle, the turtle is moved forward by a given number of pixels and rotated 90 degrees in a given direction. This action is then repeated four times to draw the four sides of the square.
Delta Drawing Learning Program, later retitled Delta Drawing Today, is a turtle graphics drawing program developed by Computer Access Corporation, [1] and published by Spinnaker Software in 1983. Delta Drawing was intended for children age 4 to 14. It features a functional programming language for executing scripted drawing and painting ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Animations require both the ability to draw and to erase shapes. The process is the same, except that in the former, a line is deposited on the display device and in the latter a line is removed. Using the turtle analogy, the turtle's pen must paint, and the turtle's pen must erase.
Discover the best free online games at AOL.com - Play board, card, casino, puzzle and many more online games while chatting with others in real-time.