Function BresenhamLine:Vector2D[](startPos:Vector2D, endPos:Vector2D)
    Local steep:Bool = Abs(endPos.y - startPos.y) > Abs(endPos.x - startPos.x)
    Local swapped:Bool = false

    if steep
        startPos.Swap(startPos.x, startPos.y)
        endPos.Swap(endPos.x, endPos.y)
    End

    if startPos.x > endPos.x
        Local t:Float = startPos.x
        startPos.x = endPos.x
        endPos.x = t
        t = startPos.y
        startPos.y = endPos.y
        endPos.y = t
        swapped = True
    End

    Local deltax:Float = endPos.x - startPos.x
    Local deltay:Float = Abs(endPos.y - startPos.y)
    Local error:Float = deltax / 2
    Local ystep:Float
    Local y:Float = startPos.y

    if startPos.y < endPos.y Then
        ystep = 1
    Else
        ystep = -1
    End

    Local pointsX:Float[] = New Float[*size here*]
    Local pointsY:Float[] = New Float[*size here*]
    Local i:Int = 0
    For Local x:Int = startPos.x until endPos.x
        if steep
            pointsX[i] = y
            pointsY[i] = x
        Else
            pointsX[i] = x
            pointsY[i] = y
        End
        i += 1

        error -= deltay
        if error < 0
            y += ystep
            error += deltax
        End
    Next
    If swapped
        Arrays<Float>.Reverse(pointsX)
        Arrays<Float>.Reverse(pointsY)
    End
    ' TODO: return two arrays???
End