gistfile1.cs

// Microsoft.Xna.Framework.Vector2
public static Vector2 Transform(Vector2 value, Quaternion rotation)
{
	float num = rotation.X + rotation.X;
	float num2 = rotation.Y + rotation.Y;
	float num3 = rotation.Z + rotation.Z;
	float num4 = rotation.W * num3;
	float num5 = rotation.X * num;
	float num6 = rotation.X * num2;
	float num7 = rotation.Y * num2;
	float num8 = rotation.Z * num3;
	float x = value.X * (1f - num7 - num8) + value.Y * (num6 - num4);
	float y = value.X * (num6 + num4) + value.Y * (1f - num5 - num8);
	Vector2 result;
	result.X = x;
	result.Y = y;
	return result;
}

gistfile2.js

Microsoft.Xna.Framework.Vector2.Transform$2 = function (value, rotation) {
	var result = new Microsoft.Xna.Framework.Vector2();
	var num2 = (rotation.Y + rotation.Y);
	var num3 = (rotation.Z + rotation.Z);
	var num4 = (rotation.W * num3);
	var num6 = (rotation.X * num2);
	var num8 = (rotation.Z * num3);
	var x = ((value.X * ((1 - (rotation.Y * num2)) - num8)) + (value.Y * (num6 - num4)));
	var y = ((value.X * (num6 + num4)) + (value.Y * ((1 - (rotation.X * (rotation.X + rotation.X))) - num8)));
	result.X = x;
	result.Y = y;
	return result;
};