Function forward

blockcode/code/turtle.js:95–95

(block)

	function hideTurtle(){ visible = false; }
	function showTurtle(){ visible = true; }
	function forward(block){ _moveForward(Block.value(block)); }
	function back(block){ _moveForward(-Block.value(block)); }
	function circle(block){ drawCircle(Block.value(block)); }
	function _turn(degrees){ direction += deg2rad(degrees); }