displayexample.Entities.Box2D.java Source code

Introduction

Here is the source code for displayexample.Entities.Box2D.java

Source

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package displayexample.Entities;

import static org.lwjgl.opengl.ARBTessellationShader.GL_TRIANGLES;
import org.lwjgl.opengl.GL11;
import static org.lwjgl.opengl.GL11.glBegin;
import static org.lwjgl.opengl.GL11.glEnd;
import static org.lwjgl.opengl.GL11.glVertex2f;

/**
 *
 * @author Fabien
 */
public class Box2D extends AbstractEntity2D {
    protected float size;

    public Box2D(float x, float y, float size) {
        this.x = x;
        this.y = y;
        this.size = size;
    }

    public Box2D() {
        this.x = this.y = this.size = 0;
    }

    @Override
    public void setUp() {
        // We don't need anything here for a box
    }

    @Override
    public void destroy() {
        // We don't need anything here for a box
    }

    @Override
    public void draw() {
        GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);

        // set the color of the quad (R,G,B,A)
        GL11.glColor3f(0.5f, 0.5f, 1.0f);

        // draw quad
        GL11.glBegin(GL11.GL_QUADS);
        GL11.glVertex2f(x, y);
        GL11.glVertex2f(x + size, y);
        GL11.glVertex2f(x + size, y + size);
        GL11.glVertex2f(x, y + size);
        GL11.glEnd();
    }

    public void changeSize(float x) {
        this.size += x;
    }
}