Files
spring-boot/spring-boot-samples/spring-boot-sample-websocket/src/main/java/samples/websocket/snake/SnakeUtils.java
T
Dave Syer f448e79f29 Remove long package names from samples
Long package names are really unnecessary in samples and they
just clutter things up. Also Spring Loaded doesn't work with
org.sfw packages, so to demo that technology you need a
different package name.
2013-12-31 08:40:26 +00:00

55 lines
1.8 KiB
Java

/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package samples.websocket.snake;
import java.awt.Color;
import java.util.Random;
public class SnakeUtils {
public static final int PLAYFIELD_WIDTH = 640;
public static final int PLAYFIELD_HEIGHT = 480;
public static final int GRID_SIZE = 10;
private static final Random random = new Random();
public static String getRandomHexColor() {
float hue = random.nextFloat();
// sat between 0.1 and 0.3
float saturation = (random.nextInt(2000) + 1000) / 10000f;
float luminance = 0.9f;
Color color = Color.getHSBColor(hue, saturation, luminance);
return '#' + Integer.toHexString((color.getRGB() & 0xffffff) | 0x1000000)
.substring(1);
}
public static Location getRandomLocation() {
int x = roundByGridSize(random.nextInt(PLAYFIELD_WIDTH));
int y = roundByGridSize(random.nextInt(PLAYFIELD_HEIGHT));
return new Location(x, y);
}
private static int roundByGridSize(int value) {
value = value + (GRID_SIZE / 2);
value = value / GRID_SIZE;
value = value * GRID_SIZE;
return value;
}
}