import boxy, opengl, windy
let windowSize = ivec2(1280, 800)
let window = newWindow("Windy + Boxy", windowSize)
makeContextCurrent(window)
loadExtensions()
let bxy = newBoxy()
# Load the images.
bxy.addImage("bg", readImage("examples/data/bg.png"))
bxy.addImage("ring1", readImage("examples/data/ring1.png"))
bxy.addImage("ring2", readImage("examples/data/ring2.png"))
bxy.addImage("ring3", readImage("examples/data/ring3.png"))
var frame: int
# Called when it is time to draw a new frame.
proc display() =
  # Clear the screen and begin a new frame.
  bxy.beginFrame(windowSize)
  # Draw the bg.
  bxy.drawImage("bg", rect = rect(vec2(0, 0), windowSize.vec2))
  # Draw the rings.
  let center = windowSize.vec2 / 2
  bxy.drawImage("ring1", center, angle = frame.float / 100)
  bxy.drawImage("ring2", center, angle = -frame.float / 190)
  bxy.drawImage("ring3", center, angle = frame.float / 170)
  # End this frame, flushing the draw commands.
  bxy.endFrame()
  # Swap buffers displaying the new Boxy frame.
  window.swapBuffers()
  inc frame
while not window.closeRequested:
  display()
  pollEvents()