Example usage for com.badlogic.gdx.graphics GL20 glBlendFunc

Introduction

In this page you can find the example usage for com.badlogic.gdx.graphics GL20 glBlendFunc.

Prototype

public void glBlendFunc(int sfactor, int dfactor);

Source Link

Usage

From source file:com.cyphercove.dayinspace.shared.FullScreenFader.java

License:Apache License

public void render(float deltaTime) {
    if (!on && alpha == 0)
        return; //nothing to draw or update

    alpha += (on ? 1 : -1) * deltaTime / fadeTime;
    alpha = Math.max(0, Math.min(1, alpha));

    GL20 gl = Gdx.gl20;
    gl.glEnable(GL20.GL_BLEND);/*from w ww  .  jav a  2  s  .  co  m*/
    gl.glBlendFunc(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA);

    color.a = Interpolation.fade.apply(alpha);

    shader.begin();
    shader.setUniformf(u_color, color);
    mesh.render(shader, GL20.GL_TRIANGLE_FAN);
    shader.end();

}

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From source file:com.cyphercove.lwptools.core.FullScreenFader.java

License:Apache License

public void render(float deltaTime) {
    if (elapsed >= fadeTime)
        return;//from   w w  w. java2s  .c  om

    if (delay > 0) {
        delay -= deltaTime;
    }

    GL20 gl = Gdx.gl20;
    gl.glEnable(GL20.GL_BLEND);
    gl.glBlendFunc(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA);

    color.a = delay > 0 ? 1f : 1f - Interpolation.fade.apply(elapsed / fadeTime);

    if (shader == null)
        createShader();
    shader.begin();
    shader.setUniformf(u_color, color);
    mesh.render(shader, GL20.GL_TRIANGLE_FAN);

    shader.end();

    if (delay <= 0)
        elapsed += deltaTime;
}

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From source file:com.github.fauu.helix.core.Renderer.java

License:Open Source License

public void render(Camera camera, Array<RenderableProvider> renderableProviders, Array<Decal> decals) {
    final GL20 gl = Gdx.graphics.getGL20();

    gl.glViewport(0, 0, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
    gl.glClearColor(0.1f, 0.1f, 0.1f, 1);
    gl.glClear(GL20.GL_COLOR_BUFFER_BIT | GL20.GL_DEPTH_BUFFER_BIT);
    gl.glEnable(GL20.GL_BLEND);/*w  w w  .j  av  a 2  s  .  co  m*/
    gl.glBlendFunc(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA);

    if (decalBatch == null) {
        defaultCameraGroupStrategy = new CameraGroupStrategy(camera);
        waterCameraGroupStrategy = new CameraGroupStrategy(waterCamera);

        decalBatch = new DecalBatch(defaultCameraGroupStrategy);
    }

    //waterCamera.moveTo(new Vector2(13, 19));
    /* Render objects to framebuffer */
    fb.begin();
    gl.glClearColor(0, 0, 0, 0);
    gl.glClear(GL20.GL_COLOR_BUFFER_BIT | GL20.GL_DEPTH_BUFFER_BIT);
    gl.glEnable(GL20.GL_BLEND);
    gl.glBlendFunc(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA);

    renderContext.begin();
    modelBatch.begin(waterCamera);
    for (int i = 1; i < renderableProviders.size - 1; i++) {
        modelBatch.render(renderableProviders.get(i));
    }
    modelBatch.end();
    renderContext.end();

    decalBatch.setGroupStrategy(waterCameraGroupStrategy);
    if (decals != null) {
        decals.first().rotateX(50);
        decalBatch.add(decals.first());
        decalBatch.flush();
        decals.first().rotateX(-50);
    }

    //    Vector3 waterPos = waterCamera.project(new Vector3(8, 0, 19));
    //    reflectionPixmap = ScreenUtils.getFrameBufferPixmap((int) waterPos.x, (int) waterPos.y, 348, 261);
    //    reflectionPixmap = ScreenUtils.getFrameBufferPixmap(0, 0, 800, 600);

    fb.end();

    //    if (reflectionTexture == null) {
    //      reflectionTexture = new Texture(reflectionPixmap);
    //    } else {
    //      reflectionTexture.draw(reflectionPixmap, 0, 0);
    //    }

    ((WaterData) ((ModelInstance) renderableProviders
            .get(renderableProviders.size - 1)).userData).reflectionTexture = fb.getColorBufferTexture();

    /* Render objects and terrain to the screen */
    renderContext.begin();
    modelBatch.begin(camera);
    modelBatch.render(renderableProviders);
    modelBatch.end();
    renderContext.end();
    decalBatch.setGroupStrategy(defaultCameraGroupStrategy);
    if (decals != null) {
        decalBatch.add(decals.first());
    }
    decalBatch.flush();

    spriteBatch.begin();
    spriteBatch.enableBlending();
    spriteBatch.draw(fb.getColorBufferTexture(), 0, 0, 800, 600);
    spriteBatch.end();

}

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From source file:dorkbox.tweenengine.demo.Launcher.java

License:Apache License

public void render() {
    tweenManager.update(Gdx.graphics.getDeltaTime());

    GL20 gl = Gdx.gl20;
    gl.glClearColor(1, 1, 1, 1);//from w w  w  .j av a  2 s.  c om
    gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
    gl.glEnable(GL20.GL_BLEND);
    gl.glBlendFunc(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA);

    int w = Gdx.graphics.getWidth();
    int h = Gdx.graphics.getHeight();

    if (selectedTile == null) {
        batch.getProjectionMatrix().setToOrtho2D(0, 0, w, h);
        batch.begin();
        batch.disableBlending();
        background.draw(batch);
        batch.end();

        batch.setProjectionMatrix(camera.combined);
        batch.begin();
        batch.enableBlending();
        for (int i = 0; i < tiles.size(); i++) {
            tiles.get(i).draw(batch);
        }
        batch.end();

        batch.getProjectionMatrix().setToOrtho2D(0, 0, w, h);

        batch.begin();
        batch.disableBlending();
        title.draw(batch);
        titleLeft.draw(batch);
        titleRight.draw(batch);
        batch.enableBlending();

        if (veil.getColor().a > 0.1f) {
            veil.draw(batch);
        }
        batch.end();

    } else {
        selectedTile.getTest().render();
    }
}

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From source file:dorkbox.tweenengine.demo.SplashScreen.java

License:Apache License

public void render() {
    tweenManager.update(Gdx.graphics.getDeltaTime());

    if (gdx.getRotation() > 360 * 15 - 20) {
        gdx.setRegion(gdxTex);/*from  w w  w . j a v a 2  s  . co  m*/
    }

    GL20 gl = Gdx.gl20;
    gl.glClearColor(0, 0, 0, 1);
    gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
    gl.glEnable(GL20.GL_BLEND);
    gl.glBlendFunc(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA);

    batch.setProjectionMatrix(camera.combined);
    batch.begin();
    strip.draw(batch);
    universal.draw(batch);
    tween.draw(batch);
    engine.draw(batch);
    logo.draw(batch);
    powered.draw(batch);
    gdx.draw(batch);

    if (veil.getColor().a > 0.1f) {
        veil.draw(batch);
    }
    batch.end();

    if (finishedAnimation) {
        callback.onEvent(null);
    }
}

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