Method smoothTo

src/main/java/field/graphics/FLine.java:795–797

"smoothly" builds a cubic segment to this point. This will rewrite the previous node to have the correct tangent. @param v

(Vec2 v)

		return smoothTo(new Vec3(x, y, 0));
	}

	public double smoothTo_tan0 = -1/3.0;
	public double smoothTo_tan1 = 1/3.0;
	public double smoothTo_tan2 = 1/3.0;

	/**