RosettaCodeData/Task/Animate-a-pendulum/Ada/animate-a-pendulum-3.ada
Ingy döt Net 0457928c3e ...
2013-04-10 15:42:53 -07:00

24 lines
710 B
Ada

with Ada.Text_IO;
with Ada.Calendar;
with Pendulums;
procedure Main is
package Float_Pendulum is new Pendulums (Float, -9.81);
use Float_Pendulum;
use type Ada.Calendar.Time;
My_Pendulum : Pendulum := New_Pendulum (10.0, 30.0);
Now, Before : Ada.Calendar.Time;
begin
Before := Ada.Calendar.Clock;
loop
Delay 0.1;
Now := Ada.Calendar.Clock;
Update_Pendulum (My_Pendulum, Now - Before);
Before := Now;
-- output positions relative to origin
-- replace with graphical output if wanted
Ada.Text_IO.Put_Line (" X: " & Float'Image (Get_X (My_Pendulum)) &
" Y: " & Float'Image (Get_Y (My_Pendulum)));
end loop;
end Main;