public Teste() {
super("colormatrix");
caps = new GLCapabilities();
canvas = new GLCanvas(caps);
canvas.addGLEventListener(this);
canvas.addKeyListener(this);
add(canvas);
}
/**
* UserInput constructor.
*
* <p>To make the new UserInput instance able to receive input, listeners need to be added to a
* GLCanvas.
*
* @param canvas The GLCanvas to which to add the listeners.
*/
public UserInput(GLCanvas canvas) {
canvas.addMouseListener(this);
canvas.addMouseMotionListener(this);
canvas.addKeyListener(this);
}