Draw.inc

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Declare drawinc_x!, drawinc_y!, drawinc_a&, drawinc_hdl&
Var drawinc_pen&=1

Proc Paint

    Parameters hdl&
    drawinc_hdl&=hdl&

EndProc

Proc Go

    Parameters h&
    StartPaint drawinc_hdl&
    Case drawinc_pen& : Line drawinc_x!,drawinc_y! - drawinc_x!+(Sin((@Pi()/180)*drawinc_a&)*h&),drawinc_y!-(Cos((@Pi()/180)*drawinc_a&)*h&)
    EndPaint
    drawinc_x!=drawinc_x!+(Sin((@Pi()/180)*drawinc_a&)*h&)
    drawinc_y!=drawinc_y!-(Cos((@Pi()/180)*drawinc_a&)*h&)

EndProc

Proc Turn

    Parameters a&
    a& = a& mod 360
    Case a&<0 : a&=a&+360
    drawinc_a&=(drawinc_a&+a&) mod 360

EndProc

Proc Angle

    Parameters a&
    a& = a& mod 360
    Case a&<0 : a&=a&+360
    drawinc_a&=a&

EndProc

Proc Goto

    Parameters x&,y&
    drawinc_x!=x&
    drawinc_y!=y&

EndProc

Proc ResetScreen

    Goto(0,0)
    drawinc_a&=0
    PenDown()
    StartPaint drawinc_hdl&
    CLS RGB(255,255,255)
    EndPaint

EndProc

Proc Center

    Goto(width(drawinc_hdl&)/2,height(drawinc_hdl&)/2)

EndProc

Proc PenDown

    drawinc_pen&=1

EndProc

Proc PenUp

    drawinc_pen&=0

EndProc