Brightsign BrightScript 3.0 Reference Manual Manuel d'utilisateur télécharger pdf (Page 73)

x=m.snake_X

y=m.snake_Y

for each seg in m.seg_list

x=x+seg.Len*seg.xDelta

y=y+seg.Len*seg.yDelta

end for

text_field.SetCursorPos(x, y)

text_field.SendByte(32) ' 32 is ascii space, could use asc(" ")

End Sub

Function snkMoveForward(text_field As Object)As Boolean

m.EraseEndBit(text_field)

tail=m.seg_list.GetTail()

REM

REM the following shows how you can use an AA's member functions to perform the same

REM functions the BrightScript . operator does behind the scenes for you (when used on an AA).

REM there is not point to this longer method other than illustration

REM

len=tail.Lookup("Len") ' same as len = tail.Len (or tail.len, BrightScript syntax is not case sensative)

len = len-1

if len=0 then

m.seg_list.RemoveTail()

else

tail.AddReplace("Len",len) ' same as tail.Len=len

endif

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Brightsign BrightScript 3.0 Reference Manual Manuel d'utilisateur Page 73