Method cross

example/src/main/java/ExampleImGuizmo.java:279–285

(float[] a, float[] b)

    }

    private static float[] cross(float[] a, float[] b) {
        float[] r = new float[3];
        r[0] = a[1] * b[2] - a[2] * b[1];
        r[1] = a[2] * b[0] - a[0] * b[2];
        r[2] = a[0] * b[1] - a[1] * b[0];
        return r;
    }

    private static float dot(float[] a, float[] b) {
        return a[0] * b[0] + a[1] * b[1] + a[2] * b[2];