Java Rectangle randomRectangle(int minW, int maxW, int minH, int maxH)

Description

Returns a rectangle with the given min/max width and height.

License

Open Source License

Parameter

Parameter	Description
minW	a parameter
maxW	a parameter
minH	a parameter
maxH	a parameter

Return

a random Rectangle with its origin a (0,0)

Declaration

public static Rectangle randomRectangle(int minW, int maxW, int minH,
        int maxH) 

Method Source Code

//package com.java2s;
/*/*  w w  w  .j  a v a  2  s  .  c  o  m*/
 *   Neon, a roguelike engine.
 *   Copyright (C) 2013 - Maarten Driesen
 * 
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.awt.Rectangle;

public class Main {
    /**
     * Returns a rectangle with the given min/max width and height.
     * 
     * @param minW
     * @param maxW
     * @param minH
     * @param maxH
     * @return   a random Rectangle with its origin a (0,0)
     */
    public static Rectangle randomRectangle(int minW, int maxW, int minH,
            int maxH) {
        int w = random(minW, maxW);
        int h = random(minH, maxH);
        return new Rectangle(w, h);
    }

    /**
     * Returns a rectangle with the given min/max dimensions and a maximum width/height or height/width ratio.
     * 
     * @param minW
     * @param maxW
     * @param minH
     * @param maxH
     * @param ratio
     * @return   a random Rectangle with its origin at (0,0)
     */
    public static Rectangle randomRectangle(int minW, int maxW, int minH,
            int maxH, double ratio) {
        int w = random(minW, maxW);
        int hMin = Math.max(minH, (int) (w / ratio));
        int hMax = Math.min(maxH, (int) (w * ratio));
        int h = random(hMin, hMax);
        return new Rectangle(w, h);
    }

    /**
     * Generates a random rectangle within the given rectangle.
     * 
     * @param minW
     * @param bounds
     * @return   a @code{Rectangle}
     */
    public static Rectangle randomRectangle(int minW, Rectangle bounds) {
        int w = random(minW, bounds.width - 1);
        int h = random(minW, bounds.height - 1);
        Rectangle rec = new Rectangle(w, h);

        while (!bounds.contains(rec)) {
            rec.x = random(bounds.x, bounds.x + bounds.width - w);
            rec.y = random(bounds.y, bounds.y + bounds.height - h);
        }
        return rec;
    }

    /**
     * @param min
     * @param max
     * @return   a random int between min and max (min and max included)
     */
    public static int random(int min, int max) {
        return (int) (min + (max - min + 1) * Math.random());
    }
}

Related

1. getSubArea(Shape retangulo, int divisorx, int divisory, int offsetx, int offsety)
2. inflateRectangle(Rectangle r, int x, int y)
3. interpolate(Rectangle r1, Rectangle r2, float f)
4. mergeRects(Set prev, Set current)
5. normalizeRect(Rectangle rect)
6. randomSquare(int minW, int maxW)
7. rectangleResize(Rectangle rect, int width, int height)
8. rectCollide(final Rectangle a, final Rectangle b)
9. rectDistance(final Rectangle r, final Rectangle q)