local transforms = asset.require("scene/solarsystem/sun/transforms")

local imageFolder = asset.syncedResource({
  Name = "Hover Circle Image",
  Type = "HttpSynchronization",
  Identifier = "misc_ring_image",
  Version = 1
})


local circle = {
  Identifier = "hoverCircle",
  Parent = transforms.SolarSystemBarycenter.Identifier,
  Renderable = {
    Type = "RenderablePlaneImageLocal",
    Size = 3.0E15,
    Origin = "Center",
    Billboard = true,
    Texture = imageFolder .. "ring.png"
  },
  GUI = {
    Name = "Hover Circle",
    Description = [[A circular marker that shows the position on the night sky
      of the object hovered in the sky browser UI. The circle will hide/show up
      dynamically, depending on the interaction with the items in the UI]],
    Path = "/SkyBrowser"
  }
}


asset.onInitialize(function()
  openspace.addSceneGraphNode(circle)
  openspace.skybrowser.setHoverCircle("hoverCircle")
end)

asset.onDeinitialize(function()
  openspace.removeSceneGraphNode(circle)
end)

asset.export(circle)



asset.meta = {
  Name = "SkyBrowser Hover Circle",
  Version = "1.0",
  Description = [[Includes a circular marker that shows the position on the night sky
    of the object hovered in the sky browser UI]],
  Author = "OpenSpace Team",
  URL = "http://openspaceproject.com",
  License = "MIT license"
}