public int asIntABGR() {
        int abgr = (((int) (a * 255) & 0xFF) << 24)
                | (((int) (b * 255) & 0xFF) << 16)
                | (((int) (g * 255) & 0xFF) << 8)
                | (((int) (r * 255) & 0xFF));
        return abgr;
    }
Retrieves the component values of this <code>ColorRGBA</code> as an
<code>int</code> in a,b,g,r order.
Bits 24-31 are alpha, 16-23 are blue, 8-15 are green, 0-7 are red.

@return The integer representation of this <code>ColorRGBA</code> in a,b,g,r order.
jme3-core/src/main/java/com/jme3/math/ColorRGBA.java