package speiger.src.coreengine.math.vector.doubles;

import java.util.Objects;

public class Vec2dImmutable implements Vec2d
{
	final double x;
	final double y;
	
	public Vec2dImmutable()
	{
		x = 0D;
		y = 0D;
	}
	
	public Vec2dImmutable(double value)
	{
		x = value;
		y = value;
	}
	
	public Vec2dImmutable(double x, double y)
	{
		this.x = x;
		this.y = y;
	}

	@Override
	public boolean isMutable()
	{
		return false;
	}
	
	@Override
	public double getX()
	{
		return x;
	}
	
	@Override
	public double getY()
	{
		return y;
	}
	
	@Override
	public Vec2d setX(double x)
	{
		return this.x == x ? this : Vec2d.newVec(x, y);
	}
	
	@Override
	public Vec2d setY(double y)
	{
		return this.y == y ? this : Vec2d.newVec(x, y);
	}
	
	@Override
	public Vec2d copy()
	{
		return Vec2d.newVec(this);
	}
	
	@Override
	public Vec2d set(double x, double y)
	{
		return this.x == x && this.y == y ? this : Vec2d.newVec(x, y);
	}
	
	@Override
	public int hashCode()
	{
		return Objects.hash(x, y);
	}

	@Override
	public boolean equals(Object obj)
	{
		if(obj instanceof Vec2d)
		{
			Vec2d vec = (Vec2d)obj;
			return vec.getX() == x && vec.getY() == y;
		}
		return false;
	}

	@Override
	public String toString()
	{
		return "Vec2d[x="+x+", y="+y+"]";
	}
}