Java tutorial
package com.swinggl.backend; /* * (C) Copyright 2015 Tyler Hunt 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. */ import com.swinggl.elements.GLFrame; import com.swinggl.util.GLColor; import org.lwjgl.opengl.GL11; import java.text.DecimalFormat; import java.text.NumberFormat; import java.util.ArrayList; /** * Created on 12/13/2015. */ public class Debug { public static boolean enabled; public static final NumberFormat noNotation = new DecimalFormat("###.######"); public static final NumberFormat noNotationLong = new DecimalFormat("###.###########"); private static ArrayList<String> variables = new ArrayList<String>(); private static TrueTypeFont engineFont; private static TrueTypeFont engineFontBold; private static GLColor fontColor = new GLColor(GLColor.MAGENTA.getRed(), GLColor.MAGENTA.getGreen(), GLColor.MAGENTA.getBlue(), 200f); public static double renderDelta = 0.0; public static double updateDelta = 0.0; public static long renderTime = 0L; public static long updateTime = 0L; public static final String ANSI_RESET = "\u001B[0m"; public static final String ANSI_BLACK = "\u001B[30m"; public static final String ANSI_RED = "\u001B[31m"; public static final String ANSI_GREEN = "\u001B[1;32m"; public static final String ANSI_YELLOW = "\u001B[33m"; public static final String ANSI_BLUE = "\u001B[34m"; public static final String ANSI_PURPLE = "\u001B[35m"; public static final String ANSI_CYAN = "\u001B[36m"; public static final String ANSI_WHITE = "\u001B[37m"; public static void initialize() { engineFont = new TrueTypeFont("res/swinggl/fonts/swinggl.ttf", 24); engineFontBold = new TrueTypeFont("res/swinggl/fonts/swinggl_bold.ttf", 24); } private static int timer = 0; private static double renderSum = 0.0; private static double avgRenderDelta = 0.0; private static double updateSum = 0.0; private static double avgUpdateDelta = 0.0; private static long renderTimeSum = 0L; private static double avgRenderTime = 0.0; private static float yOffset = 0f; public static void render(GLFrame frame) { if (enabled) { GL11.glPushMatrix(); GL11.glTranslatef(0f, 10f, 0f); engineFontBold.drawString("SwingGL v" + GLFrame.VERSION, 2, 18, fontColor); engineFontBold.drawString("FPS:", 2, 38, fontColor); engineFontBold.drawString("UPS:", 2, 58, fontColor); engineFontBold.drawString("Current GLPanel:", 2, 78, fontColor); engineFont.drawString(frame.getPanel().toString(), 180, 78, fontColor); engineFontBold.drawString("Render time:", 2, 98, fontColor); engineFontBold.drawString("Theory Max FPS: ", 2, 138, fontColor); renderSum += renderDelta; updateSum += updateDelta; renderTimeSum += renderTime; if (timer == 20) { avgRenderDelta = renderSum / 20.0; renderSum = 0.0; avgUpdateDelta = updateSum / 20.0; updateSum = 0.0; avgRenderTime = renderTimeSum / 20.0; renderTimeSum = 0L; timer = 0; } timer++; engineFont.drawString(noNotation.format(1.0 / avgRenderDelta), 50, 38, fontColor); engineFont.drawString(noNotation.format(1.0 / avgUpdateDelta), 50, 58, fontColor); engineFont.drawString(noNotation.format(avgRenderTime) + "ns", 140, 98, fontColor); engineFont.drawString(noNotationLong.format(avgRenderTime / 1000000000.0) + "s", 140, 118, fontColor); engineFont.drawString(noNotation.format(1.0 / (avgRenderTime / 1000000000.0)) + " fps", 178, 138, fontColor); GL11.glPopMatrix(); } } public void debugVariable(String variablePath) { } public static void setOffset(float xOffset, float yOffset) { Debug.yOffset = yOffset; } public static void println(String text, String color) { System.out.println(color + "[SwingGL] " + text + ANSI_RESET); } public static void println(String text) { System.out.println(ANSI_BLUE + "[SwingGL] " + text + ANSI_RESET); } public static void print(String text, String color) { System.out.println(color + "[SwingGL]" + text + ANSI_RESET); } public static void print(String text) { System.out.println(ANSI_BLUE + "[SwingGL]" + text + ANSI_RESET); } }