83 lines
2.8 KiB
Java
83 lines
2.8 KiB
Java
import ch.aplu.turtle.Turtle;
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import java.awt.*;
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import java.util.LinkedList;
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/**
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* Created by Christian on 10.02.2015.
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*/
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public class PythagorasTree {
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private PythagorasTree rightSubTree;
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private PythagorasTree leftSubTree;
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private PythagorasTreeVariant variant;
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private PythagorasTriangleList triangles;
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private Turtle turtle;
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private double size;
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private int momentaryDepth;
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private int maximalDepth;
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public PythagorasTree(PythagorasTreeVariant variant, PythagorasTriangleList triangles, Turtle turtle, double size, int momentaryDepth, int maximalDepth) {
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this.variant = variant;
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this.triangles = triangles;
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this.turtle = turtle;
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this.size = size;
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this.momentaryDepth = momentaryDepth;
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this.maximalDepth = maximalDepth;
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}
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public void addPythagorasTree(PythagorasTreeQueue queue) {
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if (momentaryDepth + 1 >= maximalDepth) return;
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turtle.forward(size);
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turtle.pushState();
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turtle.right(triangles.getLeftAngle(momentaryDepth));
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PythagorasTree treeOne = queue.remove();
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treeOne.drawPythagorasTree(queue);
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turtle.popState();
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turtle.setPenColor(drawColor(momentaryDepth, maximalDepth));
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turtle.left(triangles.getRightAngle(momentaryDepth));
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turtle.forward(size * triangles.getRightSizeFactor(momentaryDepth));
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PythagorasTree treeTwo = queue.remove();
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treeTwo.drawPythagorasTree(queue);
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treeOne.addPythagorasTree(queue);
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treeTwo.addPythagorasTree(queue);
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}
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public void drawPythagorasTree(PythagorasTreeQueue queue) {
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rightSubTree = new PythagorasTree(variant, triangles, turtle, size * triangles.getRightSizeFactor(momentaryDepth), momentaryDepth + 1, maximalDepth);
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queue.add(rightSubTree);
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leftSubTree = new PythagorasTree(variant, triangles, turtle, size * triangles.getLeftSizeFactor(momentaryDepth), momentaryDepth + 1, maximalDepth);
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queue.add(leftSubTree);
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DrawingTools.drawSquare(turtle, size);
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}
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public static Color drawColor(int momentaryDepth, int maximalDepth) {
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double colorFactor = 255 / maximalDepth;
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int red = (int) (colorFactor * (maximalDepth - momentaryDepth));
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if (red > 139) red = 139;
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if (red < 0) red = 0;
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int green = 255 - (int) (colorFactor * (maximalDepth - momentaryDepth));
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if (green < 69) green = 69;
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int blue = (int) (colorFactor * ((maximalDepth - momentaryDepth) / 5));
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if (blue > 19) blue = 19;
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return new Color(red, green, blue);
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}
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public enum PythagorasTreeVariant {
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SymetricPythagorasTree, AsymetricPythagorasTree, RegularRandomPythagorasTree,
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PisanoPythagorasTreeOne, PisanoPythagorasTreeTwo, PisanoPythagorasTreeThree, PisanoPythagorasTreeFour, PisanoPythagorasTreeFive,
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unselected,
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}
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}
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