Types/Turtle/Pop.ps1
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<# .SYNOPSIS Pops the Turtle Stack .DESCRIPTION Pops the Turtle back to the last location and heading in the stack. By pushing and popping, we can draw multiple branches. .EXAMPLE # Draws a T shape by pushing and popping turtle rotate -90 forward 42 push rotate 90 forward 21 pop rotate -90 forward 21 show #> param() # If the stack is not a stack, return ourself if ($this.'.Stack' -isnot [Collections.Stack]) { return $this } # If the stack is empty, return ourself if ($this.'.Stack'.Count -eq 0) { return $this } # Pop the stack $popped = $this.'.Stack'.Pop() $this. # Rotate by the differene in heading, Rotate($popped.Heading - $this.Heading). # then teleport to the popped location Teleport($popped.Position.X, $popped.Position.Y) |