public VECTOR Normal(POSITION pos)
{
POSITION target = new POSITION {
X = pos.X - X, Y = pos.Y - Y
};
float Sum = (float)Math.Sqrt((target.X * target.X) + (target.Y * target.Y));
return(Sum != 0.0f ? new VECTOR {
X = target.X / Sum, Y = target.Y / Sum
} : new VECTOR {
X = 0.0f, Y = 0.0f
});
}
void login_callback(JObject json)
{
if (null != json)
{
position = new POSITION {
X = random.Next(0, groupBox_users_location.Width - button_width), Y = random.Next(0, groupBox_users_location.Height - button_height)
};
new_destination();
login_info = json;
user_index = int.Parse(login_info["GUID"].ToString());
log("connected server. server[" + textBox_ip.Text + ":" + textBox_port.Text + "]");
}
else
{
log("cannot connect server. server[" + textBox_ip.Text + ":" + textBox_port.Text + "]");
}
}
public POSITION Force(float vForce, POSITION rhs)
{
return(Force(vForce, Normal(rhs)));
}
void new_destination()
{
destination = new POSITION {
X = random.Next(0, groupBox_users_location.Width - button_width), Y = random.Next(0, groupBox_users_location.Height - button_height)
};
}