FractalSample.java

/*
 * The MIT License (MIT)
 *
 * FXGL - JavaFX Game Library
 *
 * Copyright (c) 2015-2017 AlmasB (almaslvl@gmail.com)
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package sandbox;

import com.almasb.fxgl.app.GameApplication;
import com.almasb.fxgl.core.math.FXGLMath;
import com.almasb.fxgl.core.math.Vec2;
import com.almasb.fxgl.settings.GameSettings;
import javafx.scene.shape.Line;

/**
 *
 *
 * @author Almas Baimagambetov (AlmasB) (almaslvl@gmail.com)
 */
public class FractalSample extends GameApplication {

    @Override
    protected void initSettings(GameSettings settings) {
        settings.setWidth(800);
        settings.setHeight(600);
        settings.setTitle("FractalSample");
        settings.setVersion("0.1");
        settings.setIntroEnabled(false);
        settings.setMenuEnabled(false);
        settings.setCloseConfirmation(false);
    }

    @Override
    protected void initUI() {
        branch(60, 400, getHeight(), -90);
    }

    // adapted from Nature of Code
    private void branch(float len, double x, double y, double angle) {

        Vec2 v = Vec2.fromAngle(angle);
        v.normalizeLocal().mulLocal(len);

        Line line = new Line(x, y, x + v.x, y + v.y);

        line.setStrokeWidth(len / 60 * 4);

        getGameScene().addUINode(line);

        len *= 0.66;

        if (len > 2) {
            branch(len, x + v.x, y + v.y, angle + FXGLMath.random(-15, 15));
            branch(len, x + v.x, y + v.y, angle + FXGLMath.random(-15, 15));
        }
    }

    public static void main(String[] args) {
        launch(args);
    }
}