1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235 | -----------------------------------------------------------------------
-- Ada Labs --
-- --
-- Copyright (C) 2008-2023, AdaCore --
-- --
-- Labs is free software; you can redistribute it and/or modify it --
-- under the terms of the GNU General Public License as published by --
-- the Free Software Foundation; either version 2 of the License, or --
-- (at your option) any later version. --
-- --
-- This program is distributed in the hope that it will be useful, --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of --
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU --
-- General Public License for more details. You should have received --
-- a copy of the GNU General Public License along with this program; --
-- if not, write to the Free Software Foundation, Inc., 59 Temple --
-- Place - Suite 330, Boston, MA 02111-1307, USA. --
-----------------------------------------------------------------------
with Ada.Real_Time; use Ada.Real_Time;
--$ line question
with Solar_System; use Solar_System;
--$ line answer
with Solar_System;
with Mage; use Mage;
with Mage.Event; use Mage.Event;
with Mage.Draw; use Mage.Draw;
--$ line question
with Solar_System.Graphics; use Solar_System.Graphics;
--$ line answer
with Solar_System.Graphics;
procedure Genericity_Main is
--$ begin answer
type Bodies_Enum_1_T is (Sun1, Earth);
type Bodies_Enum_2_T is (Sun2, Jupiter);
package My_Solar_System1 is new Solar_System (Bodies_Enum_1_T);
package My_Sol_Sys_Graphics1 is new My_Solar_System1.Graphics;
use My_Solar_System1;
use My_Sol_Sys_Graphics1;
package My_Solar_System2 is new Solar_System (Bodies_Enum_2_T);
package My_Sol_Sys_Graphics2 is new My_Solar_System2.Graphics;
use My_Solar_System2;
use My_Sol_Sys_Graphics2;
--$ end answer
-- declare variable Bodies which is an array of Body_T
--$ line question
Bodies : Bodies_Array_T;
--$ begin answer
Bodies1 : My_Solar_System1.Bodies_Array_T;
Bodies2 : My_Solar_System2.Bodies_Array_T;
--$ end answer
-- declare a variable Next of type Time to store the Next step time
Next : Time;
Period : constant Time_Span := Milliseconds (40);
-- reference to the application window
Window : Window_ID;
-- reference to the graphical canvas associated with the application window
Canvas : Canvas_ID;
begin
-- Create the main window
Window :=
Create_Window (Width => 240, Height => 320, Name => "Solar System");
-- retrieve the graphical canvas associated with the main window
Canvas := Get_Canvas (Window);
-- initialize Bodies using Init_Body procedure
Init_Body
--$ begin question
(B => Sun,
Bodies => Bodies,
--$ end question
--$ begin answer
(B => Sun1,
Bodies => Bodies1,
--$ end answer
Radius => 20.0,
Color => Yellow,
Distance => 0.0,
Angle => 0.0,
Speed => 0.0,
--$ line question
Turns_Around => Sun);
--$ line answer
Turns_Around => Sun1);
Init_Body
(B => Earth,
--$ line question
Bodies => Bodies,
--$ line answer
Bodies => Bodies1,
Radius => 5.0,
Color => Blue,
Distance => 50.0,
Angle => 0.0,
Speed => 0.02,
--$ line question
Turns_Around => Sun);
--$ line answer
Turns_Around => Sun1);
--$ begin question
Init_Body
(B => Moon,
Bodies => Bodies,
Radius => 2.0,
Color => White,
Distance => 15.0,
Angle => 0.0,
Speed => 0.04,
Turns_Around => Earth);
Init_Body
(B => Satellite,
Bodies => Bodies,
Radius => 1.0,
Color => Red,
Distance => 8.0,
Angle => 0.0,
Speed => 0.1,
Turns_Around => Earth);
Init_Body
(B => Comet,
Bodies => Bodies,
Radius => 1.0,
Color => Yellow,
Distance => 80.0,
Angle => 0.0,
Speed => 0.05,
Turns_Around => Sun);
Init_Body
(B => Black_Hole,
Bodies => Bodies,
Radius => 0.0,
Color => Blue,
Distance => 75.0,
Angle => 0.0,
Speed => -0.02,
Turns_Around => Sun,
Visible => False);
Init_Body
(B => Asteroid_1,
Bodies => Bodies,
Radius => 1.0,
Color => Green,
Distance => 5.0,
Angle => 0.0,
Speed => 0.1,
Turns_Around => Black_Hole);
Init_Body
(B => Asteroid_2,
Bodies => Bodies,
Radius => 1.0,
Color => Yellow,
Distance => 5.0,
Angle => 3.14,
Speed => 0.1,
Turns_Around => Black_Hole);
--$ end question
--$ begin answer
Init_Body
(B => Sun2,
Bodies => Bodies2,
Radius => 20.0,
Color => Yellow,
Distance => 0.0,
Angle => 0.0,
Speed => 0.0,
Turns_Around => Sun2);
Init_Body
(B => Jupiter,
Bodies => Bodies2,
Radius => 10.0,
Color => (255, 150, 0, 255),
Distance => 80.0,
Angle => 180.0,
Speed => 0.01,
Turns_Around => Sun2);
Set_Center (Bodies1, -30.0, -30.0);
Set_Center (Bodies2, 50.0, 50.0);
Init_Body
(B => Jupiter,
Bodies => Bodies2,
Radius => 10.0,
Color => (255, 150, 0, 255),
Distance => 80.0,
Angle => 180.0,
Speed => 0.01,
Turns_Around => Sun2);
Set_Center (Bodies1, -30.0, -30.0);
Set_Center (Bodies2, 50.0, 50.0);
--$ end answer
Next := Clock + Period;
while not Is_Killed loop
--$ begin question
Move_All (Bodies);
Draw_All (Bodies, Canvas);
--$ end question
--$ begin answer
Move_All (Bodies1);
Move_All (Bodies2);
Draw_All (Bodies1, Canvas);
Draw_All (Bodies2, Canvas);
--$ end answer
Handle_Events (Window);
delay until Next;
Next := Next + Period;
end loop;
end Genericity_Main;
|