SampleScene.kt

package nl.ndat.yui.scene

import java.io.File
import javax.imageio.ImageIO

class SampleScene : Scene() {
	val logo = ImageIO.read(File("logo.png"))!!
	var x = 0
	var y = 0
	var xR = false
	var yR = false
	var speed = 2

	override fun drawFrame(frame: Int): Boolean {
		if (frame > 60 * 60)
			return false

		if (xR)
			x -= speed
		else
			x += speed

		if (yR)
			y -= speed
		else
			y += speed

		if (x >= width - logo.width)
			xR = true

		if (y >= height - logo.height)
			yR = true

		if (x <= 0)
			xR = false

		if (y <= 0)
			yR = false

		g.clearRect(0, 0, width, height)
		g.drawImage(logo, x, y, null)

		return true
	}
}