package logo import hevs.graphics.TurtleGraphics import java.awt.Point class Tree(width: Int, height: Int, val angleStep: Double) extends TurtleGraphics(width, height) { def drawTree(n: Int, length: Double): Unit = { if (n > 1) { drawBranch(length) val pos: Point = getPosition() val angle: Double = getTurtleAngle() turn(-angleStep ) drawTree(n - 1, length * 0.8) jump(pos.x, pos.y) setAngle(angle) turn(angleStep) drawTree(n - 1, length * 0.8) } else { drawBranch(length) } } def drawBranch(length: Double): Unit = { forward(length) } } object Tree { def main(args: Array[String]): Unit = { val tree: Tree = new Tree(400, 400, 15) tree.jump(200, 400) tree.setAngle(-90) tree.drawTree(8, 60) } }