Method normalize

src/main/java/net/minecraft/util/Vec3.java:54–58

Normalizes the vector to a length of 1 (except if it is the zero vector)

()

     * Normalizes the vector to a length of 1 (except if it is the zero vector)
     */
    public Vec3 normalize()
    {
        double d0 = MathHelper.sqrt_double(this.xCoord * this.xCoord + this.yCoord * this.yCoord + this.zCoord * this.zCoord);
        return d0 < 1.0E-4D ? new Vec3(0.0D, 0.0D, 0.0D) : new Vec3(this.xCoord / d0, this.yCoord / d0, this.zCoord / d0);
    }

    public double dotProduct(Vec3 vec)
    {