Example usage for org.lwjgl.opengl GL11 glClearColor

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:com.timvisee.voxeltex.architecture.component.other.splash.SplashAnimatorComponent.java

License:Open Source License

@Override
public void update() {
    // Set the clear color of this scene
    // TODO: Configure this in the renderer class!
    GL11.glClearColor(0, 0, 0, 1.0f);

    // Make sure the proper components are attached
    if (this.rectangleTransform == null || this.guiImage == null) {
        // Update the attachments
        updateAttachments();/*from  w w  w  .  j  a va2 s.c  o  m*/

        // If the components still aren't attached, show an error and quit this method
        if (this.rectangleTransform == null || this.guiImage == null) {
            System.out.println("No RectangleTransform or GUI image component in " + this + " of " + getOwner()
                    + ", unable to animate");
            return;
        }
    }

    // Calculate the local time value
    double x = Time.time - 0.5;

    // Define the size and alpha variable used for calculations
    double size, alpha = 0;

    // Calculate the size of the splash
    size = (Math.pow(-x * 0.48 + 0.8, 3) + 1.2 - x * 0.1) * 256.0;

    // Calculate the alpha intensity of the splash
    if (Time.time < 1.25)
        alpha = Math.pow((x - 0.75) * 1.35, 2.0) * -1.0 + 1.0;
    else if (Time.time < 2.75)
        alpha = 1f;
    else if (Time.time < 3.5)
        alpha = Math.pow((x - 2.25) * 1.35, 2.0) * -1.0 + 1.0;

    // Send the values to the target components
    this.rectangleTransform.setSizeX((float) size);
    this.rectangleTransform.setSizeY((float) size);
    this.guiImage.setAlpha((float) alpha);

    // Load the test environment scene after  the splash screen is done
    if (Time.time > 3.5)
        getEngine().getSceneManager().loadScene(getNextScene());
}

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From source file:com.voxelplugineering.voxelsniper.render.RenderMain.java

License:Open Source License

private void setupOpenGL() {
    // Setup an OpenGL context with API version 3.2
    try {//  ww w. j ava2  s  .  co  m
        PixelFormat pixelFormat = new PixelFormat();
        ContextAttribs contextAtrributes = new ContextAttribs(3, 2).withForwardCompatible(true)
                .withProfileCore(true);

        Display.setDisplayMode(new DisplayMode(this.width, this.height));
        Display.setTitle("VoxelGunsmithEngine");
        Display.create(pixelFormat, contextAtrributes);
        GL11.glViewport(0, 0, this.width, this.height);
    } catch (LWJGLException e) {
        if (Standalone.DEBUG) {
            System.out.println("Failed creating display");
        }
        e.printStackTrace();
        System.exit(-1);
    }

    // Setup an XNA like background color
    GL11.glClearColor(RenderingConstants.CLEAR_COLOUR_R, RenderingConstants.CLEAR_COLOUR_G,
            RenderingConstants.CLEAR_COLOUR_B, RenderingConstants.CLEAR_COLOUR_A);
    GL11.glViewport(0, 0, this.width, this.height);

    // cull back faces
    GL11.glEnable(GL11.GL_CULL_FACE);
    GL11.glCullFace(GL11.GL_BACK);
    GL11.glFrontFace(GL11.GL_CW);

    OpenGLUtilities.checkGLError("setup OpenGL");
}

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From source file:com.w67clement.openw67render.gui.screen.OpenScreen.java

License:Open Source License

/**
 * Method to paint the background of the screen.
 *
 * @param graphics Graphics for drawing.
 *//*  w  w  w.j  av a2  s .co m*/
public void paintBackground(OpenGraphics graphics) {
    if (background != null)
        GL11.glClearColor((float) background.getRed() / 255f, (float) background.getGreen() / 255f,
                (float) background.getBlue() / 255f, 1f);
}

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From source file:com.xrbpowered.gl.examples.ExampleClient.java

License:Open Source License

@Override
public void redraw(RenderTarget target) {
    if (uiGraphPane.isVisible())
        uiGraphPane.repaint();//from w  w w  .  ja  v  a2  s  . com

    RenderTarget drawTarget = target;
    if (offscreenBuffers != null) {
        offscreenBuffers.use();
        drawTarget = offscreenBuffers;
    }

    GL11.glClearColor(CLEAR_COLOR.getRed() / 255f, CLEAR_COLOR.getGreen() / 255f, CLEAR_COLOR.getBlue() / 255f,
            0f);
    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
    if (wireframe)
        GL11.glPolygonMode(GL11.GL_FRONT_AND_BACK, GL11.GL_LINE);
    drawObjects(drawTarget);
    if (wireframe)
        GL11.glPolygonMode(GL11.GL_FRONT_AND_BACK, GL11.GL_FILL);

    if (offscreenBuffers != null) {
        offscreenBuffers.resolve();
        target.use();
        drawOffscreenBuffers(offscreenBuffers, target);
    }
}

---

From source file:com.xrbpowered.gl.res.shaders.PostProcessRenderer.java

License:Open Source License

@Override
public void redraw(RenderTarget target) {
    if (requestUpdate || updatePerFrame) {
        redrawBackgroundBuffer(); //updatePerFrame ? dt : 0f);
    }//from   w  w  w . ja v a  2s  . co  m

    if (bgBuffer != null) {
        if (postProc == null)
            blit(bgBuffer, target);
        else {
            GL11.glDisable(GL11.GL_CULL_FACE);
            interBuffer.use();
            postProc.draw(bgBuffer);
            blit(interBuffer, target);
        }
        target.use();
    } else {
        target.use();
        GL11.glClearColor(clearColor.getRed() / 255f, clearColor.getGreen() / 255f, clearColor.getBlue() / 255f,
                0f);
        GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
    }
}

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From source file:com.xrbpowered.gl.scene.ActorPicker.java

License:Open Source License

public void startPicking(int x, int y, RenderTarget pickTarget) {
    this.x = x;/*  w ww .  jav a2s  .  c om*/
    this.y = y;
    pickTarget.use();
    GL11.glScissor(x, y, 1, 1);
    GL11.glEnable(GL11.GL_SCISSOR_TEST);
    GL11.glClearColor(0f, 0f, 0f, 0f);
    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
    ActorPickerShader.getInstance().use();
}

---

From source file:com.xrbpowered.gl.ui.AbstractLoadScreen.java

License:Open Source License

private void display() {
    GL11.glClearColor(clearColor.getRed() / 255f, clearColor.getGreen() / 255f, clearColor.getBlue() / 255f,
            0f);/*from w w w  .  j av  a 2  s . com*/
    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
    uiPane.x = Display.getWidth() / 2 - uiPane.getWidth() / 2;
    uiPane.y = Display.getHeight() / 2 - uiPane.getHeight() / 2;
    ui.draw(Display.getWidth(), Display.getHeight());
    Display.update();
}

---

From source file:cuchaz.jfxgl.JFXGL.java

License:Open Source License

public static void renderLoop() {

    long appHwnd = JFXGLContexts.app.hwnd;

    GL11.glClearColor(0f, 0f, 0f, 1f);

    while (!GLFW.glfwWindowShouldClose(appHwnd)) {
        GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);
        render();//from  w  w  w  .j a v a 2s.c om
        GLFW.glfwSwapBuffers(appHwnd);
        GLFW.glfwPollEvents();
    }
}

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From source file:cuchaz.jfxgl.prism.JFXGLContext.java

License:Open Source License

@Override
public void clearBuffers(Color color, boolean clearColor, boolean clearDepth, boolean ignoreScissor) {

    clearBuffersState.backup();//from w  w  w  .j ava 2  s .  c  o  m

    if (ignoreScissor) {
        GL11.glDisable(GL11.GL_SCISSOR_TEST);
    }

    int clearFlags = 0;

    if (clearColor) {
        clearFlags |= GL11.GL_COLOR_BUFFER_BIT;
        GL11.glClearColor(color.getRedPremult(), color.getGreenPremult(), color.getBluePremult(),
                color.getAlpha());
    }

    if (clearDepth) {
        clearFlags |= GL11.GL_DEPTH_BUFFER_BIT;

        GL11.glDepthMask(true);
        GL11.glClear(clearFlags);

    } else {
        GL11.glClear(clearFlags);
    }

    clearBuffersState.restore();
}

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From source file:dripdisplay.DripDisplayLWJGL.java

protected void initGLLWJGL() {

    if (!LEVEL_EDITOR) {
        GL11.glViewport(0, 0, 800, 600);
    } else {/*from  w  w  w . ja  v  a 2 s. co  m*/
        GL11.glViewport(0, 0, 1000, 800);
    }
    GL11.glMatrixMode(GL11.GL_PROJECTION);
    GL11.glLoadIdentity();

    if (!LEVEL_EDITOR) {
        GL11.glOrtho(0, 800, 600, 0, 1, -1);
    } else {
        GL11.glOrtho(0, 1000, 800, 0, 1, -1);
    }
    GL11.glMatrixMode(GL11.GL_MODELVIEW);
    GL11.glLoadIdentity();
    initTextures();
    GL11.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
    createModel();
}

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