MaybePositionNeedsReset

@Override
    public void onDrawFrame(GL10 gl) {
        glClear(GL_COLOR_BUFFER_BIT);

        //page 51: glDrawArrays will draw TWO(2) triangles
        //because it has been instructed to read in SIX(6) verticies.
        glUniform4f(uColorLocation, 1.0f, 1.0f, 1.0f, 1.0f);
        glDrawArrays(GL_TRIANGLES, 0, 6);

        //Drawing dividing lines: Page 52:
        glUniform4f(uColorLocation, 1.0f, 0.0f, 0.0f, 0.0f);
        glDrawArrays(GL_TRIANGLES, 6, 2);

        //blue mallet:
        glUniform4f(uColorLocation,0.0f,0.0f,1.0f,1.0f);
        glDrawArrays(GL_POINTS, 8, 1);

        //red mallet:
        glUniform4f(uColorLocation,1.0f, 0.0f, 0.0f, 1.0f);
        glDrawArrays(GL_POINTS, 9, 1);



    }