Example usage for org.lwjgl.opengl GL11 glClearColor

List of usage examples for org.lwjgl.opengl GL11 glClearColor

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Introduction

In this page you can find the example usage for org.lwjgl.opengl GL11 glClearColor.

Prototype

public static void glClearColor(@NativeType("GLfloat") float red, @NativeType("GLfloat") float green,
        @NativeType("GLfloat") float blue, @NativeType("GLfloat") float alpha)

Source Link

Document

Sets the clear value for fixed-point and floating-point color buffers in RGBA mode.

Usage

From source file:net.smert.frameworkgl.opengl.OpenGL1.java

License:Apache License

public OpenGL1 setClearColor(float red, float green, float blue, float alpha) {
    GL11.glClearColor(red, green, blue, alpha);
    return this;
}

From source file:net._5tingr4y.openrpg.lwjgl.OpenGLHandler.java

License:Open Source License

public void setupOpenGL() {
    Log.info(this, "OpenGL setup started");

    glfwSetErrorCallback(errorCallback = GLFWErrorCallback.createPrint(System.err));

    //initialize GLFW. Most GLFW functions will not work before doing this.
    if (glfwInit() != GLFW_TRUE)
        throw new IllegalStateException("Unable to initialize GLFW");

    //configure window
    glfwDefaultWindowHints(); //make sure we have the default window hints (should already be, just to be sure)
    glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE); //window will stay hidden after creation
    glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE); //window will not be resizable

    long monitor = fullscreen ? glfwGetPrimaryMonitor() : NULL;
    window = glfwCreateWindow(width, height, "OpenRPG", monitor, NULL);

    if (window == NULL)
        throw new RuntimeException("Failed to create the GLFW window");

    //get the resolution of the primary monitor
    GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());

    if (!fullscreen) {
        glfwSetWindowPos(window, (vidmode.width() - width) / 2, (vidmode.height() - height) / 2);
    }/* w  w w  .ja va  2  s . c  o  m*/

    //make the OpenGL context current
    glfwMakeContextCurrent(window);

    //enable v-sync
    glfwSwapInterval(1);

    //make the window visible
    glfwShowWindow(window);

    // This line is critical for LWJGL's interoperation with GLFW's
    // OpenGL context, or any context that is managed externally.
    // LWJGL detects the context that is current in the current thread,
    // creates the GLCapabilities instance and makes the OpenGL
    // bindings available for use.
    GL.createCapabilities();

    //set the clear color
    GL11.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);

    initialized = true;
    Log.info(this, "OpenGL setup finished");
}

From source file:org.agpu.oc.common.tileentity.AdvancedMonitor.java

public void startDrawing3D(int x, int y, int width, int height, float fov, float zNear, float zFar) {
    if (worldObj.isRemote) {
        GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, frameBufferID);

        GL11.glPushAttrib(GL11.GL_ALL_ATTRIB_BITS);
        GL11.glViewport(0, 0, width, height);

        GL11.glMatrixMode(GL11.GL_PROJECTION);
        GL11.glPushMatrix();//  w  w  w  .  ja  v a2 s. c  o  m
        GL11.glLoadIdentity();
        GLU.gluPerspective(fov, (float) width / (float) height, zNear, zFar);

        GL11.glMatrixMode(GL11.GL_MODELVIEW);
        GL11.glPushMatrix();
        GL11.glLoadIdentity();

        GL11.glClearColor(cr, cg, cb, ca);
        GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
    }
}

From source file:org.agpu.oc.common.tileentity.AdvancedMonitor.java

public void startDrawing2D(int x, int y, int width, int height) {
    if (worldObj.isRemote) {
        GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, frameBufferID);

        GL11.glPushAttrib(GL11.GL_ALL_ATTRIB_BITS);
        GL11.glViewport(x, y, width, height);

        GL11.glMatrixMode(GL11.GL_PROJECTION);
        GL11.glPushMatrix();/*from   ww w .ja  v  a2 s. c om*/
        GL11.glLoadIdentity();
        GL11.glOrtho(0, width, height, 0, 1, -1);

        GL11.glMatrixMode(GL11.GL_MODELVIEW);
        GL11.glPushMatrix();
        GL11.glLoadIdentity();

        GL11.glClearColor(cr, cg, cb, ca);
        GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
    }
}

From source file:org.bonsaimind.badgersvoyage.tools.planetstudio.Studio.java

License:Open Source License

public void run() {
    GL11.glClearColor(0.2f, 0.5f, 1f, 0f);
    GL11.glViewport(0, 0, Display.getWidth(), Display.getHeight());

    //GL11.glPolygonMode(GL11.GL_FRONT_AND_BACK, GL11.GL_LINE);

    while (!Display.isCloseRequested() && !closeRequested) {
        processKeyboard();/* w  w w  .  j  a  v  a 2  s. c o  m*/
        ErrorChecker.exitOnOpenGlError("After processKeyboard.");

        camera.startTranslate();
        sphere.translate();
        camera.endTranslate();
        ErrorChecker.exitOnOpenGlError("End of Translate.");

        GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);

        GL20.glUseProgram(programId);
        sphere.render();

        GL20.glDisableVertexAttribArray(0);
        GL30.glDeleteVertexArrays(0);

        GL20.glUseProgram(0);

        Display.sync(60);
        Display.update();

        ErrorChecker.exitOnOpenGlError("End of main loop.");

    }

    Display.destroy();

}

From source file:org.cogaen.lwjgl.scene.SceneService.java

License:Open Source License

public void setBackgroundColor(ReadableColor color) {
    GL11.glClearColor((float) color.getRed(), (float) color.getGreen(), (float) color.getBlue(),
            (float) color.getAlpha());
}

From source file:org.craftmania.world.World.java

License:Apache License

public void render() {
    /* Prepare Matrixes */
    Game.getInstance().initSceneRendering();
    Configuration configuration = Game.getInstance().getConfiguration();

    /* Look through the camera with high viewing distance to render the sky */
    _player.getFirstPersonCamera().lookThrough(512.0f);

    /* Set the fog color based on time */
    _fogColor.set(Game.getInstance().getConfiguration().getFogColor());
    _fogColor.scale(_sunlight - 0.05f);// www .ja  v  a 2s . c  o m
    GL11.glFog(GL11.GL_FOG_COLOR, GLUtils.wrapDirect(_fogColor.x(), _fogColor.y(), _fogColor.z(), 1.0f));
    GL11.glClearColor(_fogColor.x(), _fogColor.y(), _fogColor.z(), 1.0f);

    /* Render the sky */
    GL11.glFogf(GL11.GL_FOG_START, 200);
    GL11.glFogf(GL11.GL_FOG_END, 400);
    _sky.renderSky();

    /* Restore the fog distance */
    GL11.glFogf(GL11.GL_FOG_START, configuration.getViewingDistance() * 0.55f);
    GL11.glFogf(GL11.GL_FOG_END, configuration.getViewingDistance());

    /* Select the visible blocks */
    selectVisibleChunks(_player.getFirstPersonCamera().getViewFrustum());

    /* Bind the terrain texture */
    GL11.glEnable(GL11.GL_TEXTURE_2D);
    TextureStorage.getTexture("terrain").bind();

    PerformanceMonitor.getInstance().start(Operation.RENDER_OPAQUE);
    for (int i = 0; i < _visibleChunks.size(); ++i) {
        _visibleChunks.get(i).render(MeshType.OPAQUE);
    }
    PerformanceMonitor.getInstance().stop(Operation.RENDER_OPAQUE);
    PerformanceMonitor.getInstance().start(Operation.RENDER_TRANSLUCENT);
    for (int i = 0; i < _visibleChunks.size(); ++i) {
        _visibleChunks.get(i).render(MeshType.TRANSLUCENT);
    }
    PerformanceMonitor.getInstance().stop(Operation.RENDER_TRANSLUCENT);
    PerformanceMonitor.getInstance().start(Operation.RENDER_MANUAL);
    for (int i = 0; i < _visibleChunks.size(); ++i) {
        _visibleChunks.get(i).renderManualBlocks();
    }
    PerformanceMonitor.getInstance().stop(Operation.RENDER_MANUAL);

    /* Render the clouds */
    GL11.glFogf(GL11.GL_FOG_START, 200);
    GL11.glFogf(GL11.GL_FOG_END, 400);
    _sky.renderClouds();

    _player.render();

    renderOverlay();
}

From source file:org.eclipse.swt.opengl.examples.LWJGLExample.java

License:Open Source License

public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    Composite comp = new Composite(shell, SWT.NONE);
    comp.setLayout(new FillLayout());
    GLData data = new GLData();
    data.doubleBuffer = true;//from   w  w w. j  ava 2  s.co m
    final GLCanvas canvas = new GLCanvas(comp, SWT.NONE, data);

    canvas.setCurrent();
    try {
        GLContext.useContext(canvas);
    } catch (LWJGLException e) {
        e.printStackTrace();
    }

    canvas.addListener(SWT.Resize, new Listener() {
        public void handleEvent(Event event) {
            Rectangle bounds = canvas.getBounds();
            float fAspect = (float) bounds.width / (float) bounds.height;
            canvas.setCurrent();
            try {
                GLContext.useContext(canvas);
            } catch (LWJGLException e) {
                e.printStackTrace();
            }
            GL11.glViewport(0, 0, bounds.width, bounds.height);
            GL11.glMatrixMode(GL11.GL_PROJECTION);
            GL11.glLoadIdentity();
            GLU.gluPerspective(45.0f, fAspect, 0.5f, 400.0f);
            GL11.glMatrixMode(GL11.GL_MODELVIEW);
            GL11.glLoadIdentity();
        }
    });

    GL11.glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
    GL11.glColor3f(1.0f, 0.0f, 0.0f);
    GL11.glHint(GL11.GL_PERSPECTIVE_CORRECTION_HINT, GL11.GL_NICEST);
    GL11.glClearDepth(1.0);
    GL11.glLineWidth(2);
    GL11.glEnable(GL11.GL_DEPTH_TEST);

    shell.setText("SWT/LWJGL Example");
    shell.setSize(640, 480);
    shell.open();

    display.asyncExec(new Runnable() {
        int rot = 0;

        public void run() {
            if (!canvas.isDisposed()) {
                canvas.setCurrent();
                try {
                    GLContext.useContext(canvas);
                } catch (LWJGLException e) {
                    e.printStackTrace();
                }
                GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
                GL11.glClearColor(.3f, .5f, .8f, 1.0f);
                GL11.glLoadIdentity();
                GL11.glTranslatef(0.0f, 0.0f, -10.0f);
                float frot = rot;
                GL11.glRotatef(0.15f * rot, 2.0f * frot, 10.0f * frot, 1.0f);
                GL11.glRotatef(0.3f * rot, 3.0f * frot, 1.0f * frot, 1.0f);
                rot++;
                GL11.glPolygonMode(GL11.GL_FRONT_AND_BACK, GL11.GL_LINE);
                GL11.glColor3f(0.9f, 0.9f, 0.9f);
                drawTorus(1, 1.9f + ((float) Math.sin((0.004f * frot))), 15, 15);
                canvas.swapBuffers();
                display.asyncExec(this);
            }
        }
    });

    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    display.dispose();
}

From source file:org.eclipse.swt.snippets.Snippet195.java

License:Open Source License

public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    Composite comp = new Composite(shell, SWT.NONE);
    comp.setLayout(new FillLayout());
    GLData data = new GLData();
    data.doubleBuffer = true;//from   ww  w. j  av a2 s  .  com
    final GLCanvas canvas = new GLCanvas(comp, SWT.NONE, data);

    canvas.setCurrent();
    try {
        GLContext.useContext(canvas);
    } catch (LWJGLException e) {
        e.printStackTrace();
    }

    canvas.addListener(SWT.Resize, new Listener() {
        @Override
        public void handleEvent(Event event) {
            Rectangle bounds = canvas.getBounds();
            float fAspect = (float) bounds.width / (float) bounds.height;
            canvas.setCurrent();
            try {
                GLContext.useContext(canvas);
            } catch (LWJGLException e) {
                e.printStackTrace();
            }
            GL11.glViewport(0, 0, bounds.width, bounds.height);
            GL11.glMatrixMode(GL11.GL_PROJECTION);
            GL11.glLoadIdentity();
            GLU.gluPerspective(45.0f, fAspect, 0.5f, 400.0f);
            GL11.glMatrixMode(GL11.GL_MODELVIEW);
            GL11.glLoadIdentity();
        }
    });

    GL11.glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
    GL11.glColor3f(1.0f, 0.0f, 0.0f);
    GL11.glHint(GL11.GL_PERSPECTIVE_CORRECTION_HINT, GL11.GL_NICEST);
    GL11.glClearDepth(1.0);
    GL11.glLineWidth(2);
    GL11.glEnable(GL11.GL_DEPTH_TEST);

    shell.setText("SWT/LWJGL Example");
    shell.setSize(640, 480);
    shell.open();

    final Runnable run = new Runnable() {
        int rot = 0;

        @Override
        public void run() {
            if (!canvas.isDisposed()) {
                canvas.setCurrent();
                try {
                    GLContext.useContext(canvas);
                } catch (LWJGLException e) {
                    e.printStackTrace();
                }
                GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
                GL11.glClearColor(.3f, .5f, .8f, 1.0f);
                GL11.glLoadIdentity();
                GL11.glTranslatef(0.0f, 0.0f, -10.0f);
                float frot = rot;
                GL11.glRotatef(0.15f * rot, 2.0f * frot, 10.0f * frot, 1.0f);
                GL11.glRotatef(0.3f * rot, 3.0f * frot, 1.0f * frot, 1.0f);
                rot++;
                GL11.glPolygonMode(GL11.GL_FRONT_AND_BACK, GL11.GL_LINE);
                GL11.glColor3f(0.9f, 0.9f, 0.9f);
                drawTorus(1, 1.9f + ((float) Math.sin((0.004f * frot))), 15, 15);
                canvas.swapBuffers();
                display.asyncExec(this);
            }
        }
    };
    canvas.addListener(SWT.Paint, new Listener() {
        @Override
        public void handleEvent(Event event) {
            run.run();
        }
    });
    display.asyncExec(run);

    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:org.eclipse.swt.snippets.Snippet341.java

License:Open Source License

public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new GridLayout());
    GLData data = new GLData();
    data.doubleBuffer = true;/*from   www. j  av a2  s  . com*/
    final GLCanvas canvas = new GLCanvas(shell, SWT.NONE, data);
    canvas.setLayoutData(new GridData(640, 480));

    canvas.setCurrent();
    try {
        GLContext.useContext(canvas);
    } catch (LWJGLException e) {
        e.printStackTrace();
    }

    canvas.addListener(SWT.Resize, new Listener() {
        @Override
        public void handleEvent(Event event) {
            Rectangle bounds = canvas.getBounds();
            float fAspect = (float) bounds.width / (float) bounds.height;
            canvas.setCurrent();
            try {
                GLContext.useContext(canvas);
            } catch (LWJGLException e) {
                e.printStackTrace();
            }
            GL11.glViewport(0, 0, bounds.width, bounds.height);
            GL11.glMatrixMode(GL11.GL_PROJECTION);
            GL11.glLoadIdentity();
            GLU.gluPerspective(45.0f, fAspect, 0.5f, 400.0f);
            GL11.glMatrixMode(GL11.GL_MODELVIEW);
            GL11.glLoadIdentity();
        }
    });

    GL11.glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
    GL11.glColor3f(1.0f, 0.0f, 0.0f);
    GL11.glHint(GL11.GL_PERSPECTIVE_CORRECTION_HINT, GL11.GL_NICEST);
    GL11.glClearDepth(1.0);
    GL11.glLineWidth(2);
    GL11.glEnable(GL11.GL_DEPTH_TEST);

    Button button = new Button(shell, SWT.PUSH);
    button.setText("Capture");
    button.addListener(SWT.Selection, new Listener() {
        @Override
        public void handleEvent(Event event) {
            capture(canvas);
        }
    });
    shell.pack();
    shell.open();

    display.asyncExec(new Runnable() {
        int rot = 0;

        @Override
        public void run() {
            if (!canvas.isDisposed()) {
                canvas.setCurrent();
                try {
                    GLContext.useContext(canvas);
                } catch (LWJGLException e) {
                    e.printStackTrace();
                }
                GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
                GL11.glClearColor(.3f, .5f, .8f, 1.0f);
                GL11.glLoadIdentity();
                GL11.glTranslatef(0.0f, 0.0f, -10.0f);
                float frot = rot;
                GL11.glRotatef(0.15f * rot, 2.0f * frot, 10.0f * frot, 1.0f);
                GL11.glRotatef(0.3f * rot, 3.0f * frot, 1.0f * frot, 1.0f);
                rot++;
                GL11.glPolygonMode(GL11.GL_FRONT_AND_BACK, GL11.GL_LINE);
                GL11.glColor3f(0.9f, 0.9f, 0.9f);
                drawTorus(1, 1.9f + ((float) Math.sin((0.004f * frot))), 15, 15);
                canvas.swapBuffers();
                display.asyncExec(this);
            }
        }
    });

    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}