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
|
#include <iostream>
#include <crepe/ComponentManager.h>
#include <crepe/api/GameObject.h>
#include <crepe/api/Metadata.h>
#include <crepe/api/Transform.h>
using namespace crepe;
using namespace std;
int main() {
ComponentManager mgr{};
// Create a few GameObjects
try {
GameObject body = mgr.new_object("body", "person", Vector2{0, 0}, 0, 1);
GameObject right_leg
= mgr.new_object("rightLeg", "person", Vector2{1, 1}, 0, 1);
GameObject left_leg
= mgr.new_object("leftLeg", "person", Vector2{1, 1}, 0, 1);
GameObject right_foot
= mgr.new_object("rightFoot", "person", Vector2{2, 2}, 0, 1);
GameObject left_foot
= mgr.new_object("leftFoot", "person", Vector2{2, 2}, 0, 1);
// Set the parent of each GameObject
right_foot.set_parent(right_leg);
left_foot.set_parent(left_leg);
right_leg.set_parent(body);
left_leg.set_parent(body);
// Adding a second Transform component is not allowed and will invoke an exception
body.add_component<Transform>(Vector2{10, 10}, 0, 1);
} catch (const exception & e) {
cerr << e.what() << endl;
}
// Get the Metadata and Transform components of each GameObject
vector<reference_wrapper<Metadata>> metadata = mgr.get_components_by_type<Metadata>();
vector<reference_wrapper<Transform>> transform = mgr.get_components_by_type<Transform>();
// Print the Metadata and Transform components
for (auto & m : metadata) {
cout << "Id: " << m.get().game_object_id << " Name: " << m.get().name
<< " Tag: " << m.get().tag << " Parent: " << m.get().parent << " Children: ";
for (auto & c : m.get().children) {
cout << c << " ";
}
cout << endl;
}
for (auto & t : transform) {
cout << "Id: " << t.get().game_object_id << " Position: [" << t.get().position.x
<< ", " << t.get().position.y << "]" << endl;
}
return 0;
}
|