cnc-club.ru

Код: Выделить всё

 def point_to_triangle(x, y)
    dx = @properties["dx"]
    dy = @properties["dy"]
    w = @properties["canvas_size_x"]

    x = x - dx/2
    y = y - dy
    lx = Math.sqrt(x*x + y*y)
    x = x + dx
    ly = Math.sqrt((w-x)*(w-x) + y*y)

    return [lx - @properties["initial_x"], ly - @properties["initial_y"]]
  end

Код: Выделить всё

  def tpoint_to_decart(lx, ly)
    dx = @properties["dx"]
    dy = @properties["dy"]
    w = @properties["canvas_size_x"]

    lx += @properties["initial_x"]
    ly += @properties["initial_y"]


    x = ((lx*lx - ly*ly + w*w - w * dx)/(2*(w-dx))).round(3)
    y = (Math.sqrt(lx*lx - (x-dx/2)*(x-dx/2))+dy).round(3)

    return [x, y]
  end