Render.Polygons.java Source code

Introduction

Here is the source code for Render.Polygons.java

Source

/*
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package Render;

import java.awt.Color;
import java.util.Arrays;
import org.lwjgl.opengl.GL11;
import static org.lwjgl.opengl.GL11.GL_TRIANGLES;
import static org.lwjgl.opengl.GL11.glBegin;
import static org.lwjgl.opengl.GL11.glEnd;
import static org.lwjgl.opengl.GL11.glVertex2f;

/**
 *
 * @author sntgc
 */
public class Polygons {
    public static void drawTriangle() {
        glBegin(GL_TRIANGLES);
        glVertex2f(0.200f, 0.100f);
        glVertex2f(0.300f, 0.400f);
        glVertex2f(0.100f, (float) (Math.random()));
        glEnd();
    }

    public static void drawFPSBar(int fps) {

        int fpsMax = 100;
        float changePoint = (float) fps / (float) fpsMax * 0.15f - 0.95f;

        glBegin(GL11.GL_POLYGON);
        GL11.glColor3f(255, 0, 0);
        glVertex2f(-0.95f, 0.95f); //order: start top-left, go clockwise
        glVertex2f(changePoint, 0.95f);
        glVertex2f(changePoint, 0.9f);
        glVertex2f(-0.95f, 0.9f);
        glEnd();

        glBegin(GL11.GL_POLYGON);
        GL11.glColor3f(255, 255, 255);
        glVertex2f(changePoint, 0.95f); //order: start top-left, go clockwise
        glVertex2f(-0.8f, 0.95f);
        glVertex2f(-0.8f, 0.9f);
        glVertex2f(changePoint, 0.9f);
        glEnd();

    }

    public static void drawIsometricTile(long x, long y, long width, Color c) {
        float[] rgb = new float[] { c.getRed() / 255.0f, c.getGreen() / 255.0f, c.getBlue() / 255.0f };
        float w = 800.0f;
        float h = 600.0f;
        float[] xCoords = new float[] { (x / w), (x + width / 2) / w, (x / w), ((x - width / 2) / w) };
        float[] yCoords = new float[] { (y + width / 4) / h, (y) / h, (y - width / 4) / h, (y) / h };
        if (yCoords[0] > -1f && yCoords[2] < 1f && xCoords[3] < 1f && xCoords[1] > -1f) {
            glBegin(GL11.GL_POLYGON);
            GL11.glColor3f(rgb[0], rgb[1], rgb[2]);
            glVertex2f(xCoords[0], yCoords[0]);
            glVertex2f(xCoords[1], yCoords[1]);
            glVertex2f(xCoords[2], yCoords[2]);
            glVertex2f(xCoords[3], yCoords[3]);
            glEnd();
        }
    }
}