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

Introduction

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

Prototype

int GL_FUNC_ADD

To view the source code for com.badlogic.gdx.graphics GL20 GL_FUNC_ADD.

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Usage

From source file:es.eucm.ead.editor.components.EditorImageActor.java

License:Open Source License

protected void drawCollider(Batch batch) {
    if (getCollider() != null) {
        batch.end();/*  www  .j  ava 2  s.  c om*/
        Gdx.gl.glEnable(GL20.GL_BLEND);
        Gdx.gl.glBlendFunc(GL20.GL_ONE, GL20.GL_DST_COLOR);
        Gdx.gl.glBlendEquation(GL20.GL_FUNC_SUBTRACT);
        shapeRenderer.setProjectionMatrix(batch.getProjectionMatrix());
        shapeRenderer.setTransformMatrix(batch.getTransformMatrix());
        shapeRenderer.begin(ShapeType.Line);
        shapeRenderer.setColor(Color.WHITE);
        for (Polygon polygon : getCollider()) {
            float[] vertices = polygon.getVertices();
            shapeRenderer.polygon(vertices);
        }
        shapeRenderer.end();
        Gdx.gl.glBlendEquation(GL20.GL_FUNC_ADD);
        Gdx.gl.glDisable(GL20.GL_BLEND);
        batch.begin();
    }
}

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From source file:es.eucm.ead.editor.view.widgets.groupeditor.Grouper.java

License:Open Source License

@Override
protected void drawChildren(Batch batch, float parentAlpha) {
    batch.end();/*from   ww  w.  ja  v a2 s .c  om*/
    Gdx.gl.glEnable(GL20.GL_BLEND);
    Gdx.gl.glBlendFunc(GL20.GL_ONE, GL20.GL_DST_COLOR);
    Gdx.gl.glBlendEquation(GL20.GL_FUNC_SUBTRACT);
    shapeRenderer.setColor(Color.WHITE);
    shapeRenderer.begin(ShapeType.Line);
    super.drawChildren(batch, parentAlpha);
    shapeRenderer.end();
    Gdx.gl.glBlendEquation(GL20.GL_FUNC_ADD);
    Gdx.gl.glDisable(GL20.GL_BLEND);
    batch.begin();
}

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From source file:es.eucm.ead.editor.view.widgets.groupeditor.Handles.java

License:Open Source License

@Override
protected void drawChildren(Batch batch, float parentAlpha) {
    batch.end();/*from  w  w  w .j  av a 2 s.  c o m*/
    Gdx.gl.glEnable(GL20.GL_BLEND);
    Gdx.gl.glBlendFunc(GL20.GL_ONE, GL20.GL_DST_COLOR);
    Gdx.gl.glBlendEquation(GL20.GL_FUNC_SUBTRACT);
    shapeRenderer.setProjectionMatrix(batch.getProjectionMatrix());
    shapeRenderer.setTransformMatrix(batch.getTransformMatrix());
    shapeRenderer.begin(ShapeType.Line);
    shapeRenderer.setColor(Color.WHITE);
    shapeRenderer.line(handles[0].getX(), handles[0].getY(), handles[2].getX(), handles[2].getY());
    shapeRenderer.line(handles[0].getX(), handles[0].getY(), handles[6].getX(), handles[6].getY());
    shapeRenderer.line(handles[2].getX(), handles[2].getY(), handles[8].getX(), handles[8].getY());
    shapeRenderer.line(handles[8].getX(), handles[8].getY(), handles[6].getX(), handles[6].getY());
    shapeRenderer.end();
    super.drawChildren(batch, parentAlpha);
    Gdx.gl.glBlendEquation(GL20.GL_FUNC_ADD);
    Gdx.gl.glDisable(GL20.GL_BLEND);
    batch.begin();
}

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From source file:seventh.client.gfx.effects.particle_system.BlendingSpriteParticleRenderer.java

License:Open Source License

@Override
public void render(Canvas canvas, Camera camera, float alpha, ParticleData particles) {
    int src = canvas.getSrcBlendFunction();
    int dst = canvas.getDstBlendFunction();
    //canvas.setBlendFunction(GL20.GL_SRC_ALPHA, GL20.GL_FUNC_ADD);
    canvas.setBlendFunction(GL20.GL_SRC_ALPHA, GL20.GL_ONE);
    Gdx.gl20.glBlendEquation(GL20.GL_FUNC_ADD);

    Vector2f cameraPos = camera.getRenderPosition(alpha);
    for (int i = 0; i < particles.numberOfAliveParticles; i++) {
        Sprite sprite = particles.sprite[i];
        Vector2f pos = particles.pos[i];
        sprite.setPosition(pos.x - cameraPos.x, pos.y - cameraPos.y);
        sprite.setScale(particles.scale[i]);
        sprite.setColor(particles.color[i]);
        sprite.setRotation(particles.rotation[i]);
        canvas.drawRawSprite(sprite);//  w w w .  j  a  va  2 s  . c  o m
    }

    canvas.setBlendFunction(src, dst);
}

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From source file:seventh.client.gfx.effects.particle_system.FireParticleRenderer.java

License:Open Source License

@Override
public void render(Canvas canvas, Camera camera, float alpha, ParticleData particles) {
    int src = canvas.getSrcBlendFunction();
    int dst = canvas.getDstBlendFunction();
    //canvas.setBlendFunction(GL20.GL_SRC_ALPHA, GL20.GL_FUNC_ADD);
    canvas.setBlendFunction(GL20.GL_SRC_ALPHA, GL20.GL_ONE);
    Gdx.gl20.glBlendEquation(GL20.GL_FUNC_ADD);

    Vector2f cameraPos = camera.getRenderPosition(alpha);
    for (int i = 0; i < particles.numberOfAliveParticles; i++) {
        Sprite sprite = particles.sprite[i];
        Vector2f pos = particles.pos[i];
        sprite.setPosition(pos.x - cameraPos.x, pos.y - cameraPos.y);
        sprite.setScale(particles.scale[i]);
        sprite.setColor(particles.color[i]);
        canvas.drawRawSprite(sprite);/*  w w  w  .  j  a  v  a 2  s  . com*/
    }

    canvas.setBlendFunction(src, dst);
}

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