SlashSnowFlake

/*- * Copyright 2005-2018 Diomidis Spinellis * * Licensed 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 gr.aueb.card; import java.awt.Graphics; import javax.swing.JPanel; /** * A class that animates a slash on a canvas. * * @author Giorgos Gousios, Diomidis Spinellis * @opt nodefillcolor white */ public class SlashSnowFlake extends SnowFlake { /** * Create a snowflake represented by a slash. * * @param panel The panel to draw the object onto */ public SlashSnowFlake(JPanel panel) { super(panel); displayChar = '/'; } /** * Display the slash on the drawing canvas. The slash alternates between * forward slash and backslash depending on the current 'y' coordinate. * * @param g The Graphics object on which we will paint */ @Override public void draw(Graphics g) { /* / on even lines, \ on odd lines */ displayChar = ((coordY % 2) == 0) ? '/' : '\\'; /* Move by 0 to 10 pixels down*/ coordY += (int) (Math.random() * 10); // Draw it through the superclass super.draw(g); } }