-- Initialization Function

g_rotatesundirection = {}

function rotatesundirection_init(e)
	g_rotatesundirection[e] = {}
	g_rotatesundirection[e]['x'] = math.random()
	g_rotatesundirection[e]['y'] = math.random()
	g_rotatesundirection[e]['z'] = math.random()
	g_rotatesundirection[e]['obj'] = g_Entity[e].obj
end

-- Main Function
function rotatesundirection_main(e)

  g_rotatesundirection[e]['x'] = g_rotatesundirection[e]['x'] + (0.030*GetTimeElapsed())
  g_rotatesundirection[e]['y'] = g_rotatesundirection[e]['y'] + (0.045*GetTimeElapsed()) -- sun y moves a little faster.
  g_rotatesundirection[e]['z'] = g_rotatesundirection[e]['z'] + (0.030*GetTimeElapsed())

  if g_rotatesundirection[e]['x'] > 360.0 then g_rotatesundirection[e]['x'] = g_rotatesundirection[e]['x'] - 360.0 end
  if g_rotatesundirection[e]['y'] > 360.0 then g_rotatesundirection[e]['y'] = g_rotatesundirection[e]['y'] - 360.0 end
  if g_rotatesundirection[e]['z'] > 360.0 then g_rotatesundirection[e]['z'] = g_rotatesundirection[e]['z'] - 360.0 end

  local xdir = math.sin(g_rotatesundirection[e]['x'])
  local ydir = math.cos(g_rotatesundirection[e]['y']) + 0.75 -- move sun closer to horizont
  local zdir = math.cos(g_rotatesundirection[e]['z'])

  SetSunDirection(xdir,ydir,zdir)

  xdir = (xdir * 6000.0) + GetCameraPositionX(0)
  ydir = (ydir * 3000.0) + GetCameraPositionY(0) - 400
  zdir = (zdir * 6000.0) + GetCameraPositionZ(0)

  PositionObject(g_rotatesundirection[e]['obj'] , xdir , ydir, zdir )
  RotateToCamera(e)
  
end


-- Exit Function
function rotatesundirection_exit(e)
	SetSunDirection(5,10,5)
end