Method flattenArray

shared/java/Point.java:16–25

(@Nullable Point[] pts)

    public final float _y;

    @Contract("null -> null; !null -> new")
    public static @Nullable float[] flattenArray(@Nullable Point[] pts) {
        if (pts == null) return null;
        float[] arr = new float[pts.length * 2];
        for (int i = 0; i < pts.length; ++i) {
            arr[i * 2]     = pts[i]._x;
            arr[i * 2 + 1] = pts[i]._y;
        }
        return arr;
    }

    @Contract("null -> null; !null -> new")
    public static @Nullable Point[] fromArray(@Nullable float[] pts) {