Example usage for org.lwjgl.opengl GL11 glClear

Introduction

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

Prototype

public static void glClear(@NativeType("GLbitfield") int mask) 

Source Link

Document

Sets portions of every pixel in a particular buffer to the same value.

Usage

From source file:com.gameminers.mav.Mav.java

License:Open Source License

private static void drawBasicScreen(String s, float dim) {
    Rendering.setUpGL();/*  ww w  .j  a va  2 s  . c  om*/
    Rendering.beforeFrame(Display.getWidth(), Display.getHeight());
    GL11.glClearColor(0, 0, 0, 1);
    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);
    Fonts.light[2].drawString((Display.getWidth() / 2) - (Fonts.light[2].getWidth(s) / 2), 160, s, Color.white);
    Rendering.drawTriangle(Display.getWidth() / 2f, 90, 74, 0.5f, 0.5f, 0.5f, 0.5f, 0);
    Rendering.drawTriangle(Display.getWidth() / 2f, 90, 64, 0.5f, 0.5f, 0.5f, 1, 0.5f);
    Rendering.drawTriangle(Display.getWidth() / 2f, 90, 56, 0, 0, 0, 1, 1f);
    Rendering.drawRectangle(0, 0, Display.getWidth(), Display.getHeight(), 0, 0, 0, dim, 1);
    Display.update();
}

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From source file:com.gameminers.mav.personality.poly.PolygonPersonality.java

License:Open Source License

@Override
public void renderBackground() {
    /*long delta = System.currentTimeMillis()-Mav.lastInputEvent;
    if (delta > IDLE_TIME) {/* www. ja v a  2 s.c  om*/
       bgLum = (1.0f-(Math.min(delta-IDLE_TIME, IDLE_FADE_OUT_TIME)/IDLE_FADE_OUT_TIME))*0.3f;
       framesSinceFade = 0;
    } else {
       framesSinceFade++;
       bgLum = Math.min(0.3f, framesSinceFade/IDLE_FADE_IN_FRAMES);
    }*/
    float[] rgb = RenderState.getColor(bgLum);
    GL11.glClearColor(rgb[0], rgb[1], rgb[2], 1f);
    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);
}

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From source file:com.github.kajdreef.mazerunnermvn.Launcher.java

/**
 * Here the game is processed.//  w  w w  .j a  v  a 2s.  co  m
 */
public void gameLoop() {
    timer0 = new Timer();
    timer0.start();
    while (!Display.isCloseRequested()) {
        checkState();

        // Clear the screen
        GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);

        state.input();
        state.logic(timer0.getDelta());
        state.render();

        Display.update();
        Display.sync(fps);
    }
}

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From source file:com.github.kajdreef.mazerunnermvn.State.MazeRunner.java

@Override
public void render() {
    shaderProgram.useProgram();

    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);

    level.render();

    shaderProgram.stopProgram();
}

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From source file:com.github.reisnera.gameboylfb.App.java

License:GNU General Public License

/**
 * @return Returns 0 if everything ran fine, otherwise returns 1 if the program should exit
 *///from w  w w.  j  a  v  a2s  .c  o m
public int tick() {
    if (glfwWindowShouldClose(window) == GL11.GL_TRUE) {
        glfwTerminate();
        errorCallback.release();
        // TODO: Notify someone that this should close in another way?
        return 1;
    } else {
        GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT); // clear the framebuffer
        glfwSwapBuffers(window); // swap the color buffers

        // Poll for window events. The key callback above will only be
        // invoked during this call.
        glfwPollEvents();
        return 0;
    }
}

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From source file:com.google.gapid.glviewer.GeometryScene.java

License:Apache License

@Override
public void render(Renderer renderer) {
    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);

    if (data != null && renderable != null) {
        Renderable.State state = data.shading.getState(shaders, data.winding.invertNormals);
        data.culling.apply();/*from  w  w w  .j  ava 2s .  c  o m*/
        data.winding.apply();

        state.transform.setProjection(camera.getProjection());
        state.transform.setModelView(camera.getViewTransform());
        renderable.render(renderer, state);
    }
}

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From source file:com.google.gapid.glviewer.gl.Renderer.java

License:Apache License

/** Clears the viewport with the given solid color */
public static void clear(Color c) {
    GL11.glClearColor(c.getRed() / 255f, c.getGreen() / 255f, c.getBlue() / 255f, 1f);
    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);
}

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From source file:com.google.gapid.glviewer.Viewer.java

License:Apache License

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

    if (newRenderable != null) {
        if (renderable != null) {
            renderable.dispose();// w w  w  .  j ava 2  s.  c  o m
        }
        renderable = newRenderable;
        renderable.init();
        newRenderable = null;
    }

    if (renderable != null) {
        Renderable.State state = shading.getState(shaders, winding.invertNormals);
        culling.apply();
        winding.apply();

        state.transform.setProjection(camera.getProjection());
        state.transform.setModelView(camera.getViewTransform());
        renderable.render(state);
    }
}

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From source file:com.grillecube.client.opengl.window.GLFWWindow.java

/** should be call before rendering */
public void clearScreen() {
    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
}

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From source file:com.jmex.bui.BGeomView.java

License:Open Source License

/**
 * Documentation Inherited//from  w  w  w  . j a  va  2s  .  com
 *
 * @param renderer Renderer
 * @see BComponent#renderComponent
 */
@Override
protected void renderComponent(final Renderer renderer) {
    super.renderComponent(renderer);
    if (_geom == null) {
        return;
    }

    applyDefaultStates();
    Camera cam = renderer.getCamera();

    int x = getAbsoluteX();
    int y = getAbsoluteY();

    boolean useOrtho = (_geom.getRenderQueueMode() == Renderer.QUEUE_ORTHO);

    try {
        if (!useOrtho) {
            renderer.unsetOrtho();

            // create or resize our camera if necessary
            DisplaySystem display = DisplaySystem.getDisplaySystem();
            int swidth = display.getWidth(), sheight = display.getHeight();
            boolean updateDisplay = false;
            if (_camera == null || _swidth != swidth || _sheight != sheight) {
                _swidth = swidth;
                _sheight = sheight;
                if (_camera == null) {
                    _camera = createCamera(display);
                } else {
                    _camera.resize(_swidth, _sheight);
                }
                updateDisplay = true;
            }

            // set up our camera viewport if it has changed
            Insets insets = getInsets();

            int ax = x + insets.left;
            int ay = y + insets.bottom;
            int width = _width - insets.getHorizontal();
            int height = _height - insets.getVertical();

            if (updateDisplay || _cx != ax || _cy != ay || _cwidth != width || _cheight != height) {
                _cx = ax;
                _cy = ay;
                _cwidth = width;
                _cheight = height;
                float left = _cx / _swidth, right = left + _cwidth / _swidth;
                float bottom = _cy / _sheight;
                float top = bottom + _cheight / _sheight;
                _camera.setViewPort(left, right, bottom, top);
                _camera.setFrustumPerspective(45.0f, _width / (float) _height, 1, 1000);
            }

            // clear the z buffer over the area to which we will be drawing
            boolean scissored = intersectScissorBox(_srect, ax, ay, width, height);
            GL11.glClear(GL11.GL_DEPTH_BUFFER_BIT);
            restoreScissorState(scissored, _srect);

            // now set up the custom camera and render our geometry
            renderer.setCamera(_camera);
            _camera.apply();
            _camera.update();
        }

        // actually render the geometry
        renderer.draw(_geom);
    } finally {
        if (!useOrtho) {
            // restore the camera
            renderer.setCamera(cam);
            cam.apply();
            cam.update();
            renderer.setOrtho();

            // we need to restore the GL translation as that got wiped out when we left and
            // re-entered ortho mode
            GL11.glTranslatef(x, y, 0);
        }
    }
}

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