// Antenna


// Set units
@settings(defaultLengthUnit = in)


// import constants
import height, width, antennaBaseWidth, antennaBaseHeight, antennaTopWidth, antennaTopHeight from "globals.kcl"

// Calculate the origin
origin = [-width / 2 + .45, -0.10]

// Create the antenna
antennaX = origin[0]
antennaY = origin[1]

antennaPlane = {
  plane = {
    origin = { x = 0, y = 0, z = height / 2 },
    xAxis = { x = 1, y = 0, z = 0 },
    yAxis = { x = 0, y = 1, z = 0 },
    zAxis = { x = 0, y = 0, z = 1 }
  }
}

// Create the antenna base sketch
sketch001 = startSketchOn(antennaPlane)
  |> startProfileAt([origin[0], origin[1]], %)
  |> line(end = [antennaBaseWidth, 0])
  |> line(end = [0, -antennaBaseHeight])
  |> line(end = [-antennaBaseWidth, 0])
  |> close()

// Create the antenna top sketch
loftPlane = offsetPlane('XY', offset = height / 2 + 3)

sketch002 = startSketchOn(loftPlane)
  |> startProfileAt([
       origin[0] + (antennaBaseWidth - antennaTopWidth) / 2,
       origin[1] - ((antennaBaseHeight - antennaTopHeight) / 2)
     ], %)
  |> xLine(antennaTopWidth, %)
  |> yLine(-antennaTopHeight, %)
  |> xLine(-antennaTopWidth, %)
  |> close()

// Create the antenna using a loft
loft([sketch001, sketch002])
  |> appearance(color = "#000000")