slogo.instruction.drawing
Class ClearScreen

java.lang.Object
  slogo.language.GrammarElement
      slogo.instruction.Instruction
          slogo.instruction.drawing.ClearScreen

public class ClearScreen
extends Instruction

erases the drawing area and sends the turtle to the home position (Like CLEAN and HOME)

Author:

tshishikub

Field Summary

Fields inherited from class slogo.language.GrammarElement

gelementsToValue

Constructor Summary

ClearScreen()

Method Summary

java.lang.Object

evaluate(Context c) erases the drawing area and sends the turtle to the home position (Like CLEAN and HOME)

Methods inherited from class slogo.instruction.Instruction

evaluateNumericExpression

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ClearScreen

public ClearScreen()

Method Detail

evaluate

public java.lang.Object evaluate(Context c)

erases the drawing area and sends the turtle to the home position (Like CLEAN and HOME)

Overrides:

evaluate in class Instruction

Parameters:

c - context in which the evaluation takes place

Returns:

the result of evaluating the construct