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