code: private void bindColor(int index) {
  		if (index < cpt) {
  			if (renderHalf) {
  				GL.glColor4f(colours[(index*4)]*0.5f, colours[(index*4)+1]*0.5f,
  						 	 colours[(index*4)+2]*0.5f, colours[(index*4)+3]*0.5f);
  			} else {
  				GL.glColor4f(colours[(index*4)], colours[(index*4)+1],
  							 colours[(index*4)+2], colours[(index*4)+3]);
  			}
  		}
  	}
docs: Bind the colour at a given index in the array
  
  @param index The index of the colour to bind