Javascript Turtle Graphics

Language Reference


              forward(distance) 

              right(angle) 

              left(angle) 

              goto(x,y) 

              clear() 

              penup() 

              pendown() 

              reset() 

              angle(angle) 

              width(width) 

              colour(r,g,b,a) 

              write(string) 

              n = random(low,high) 

              hideTurtle() 

              showTurtle() 

              redrawOnMove(bool) 

              draw() 

              repeat(n, action) 

              wrap(bool) 

              animate(action,ms) 

              See some other examples

Canvas

Command

Definitions

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// Define helper functions here.
// For example:
function square(side) {
   repeat(4, function () {
      forward(side);
      right(90);
   });
}
function demo() {
   hideTurtle();
   colour(0,0,255,1);
   for(s = 100; s > 0; s -= 10) {
      square(s);
      right(36);
   }
}
            
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