so://phie

blob: f68e349bf181ab9c38c6893e69089fba4c5ddd62 (1464 bytes)[doc][blame][raw]

 1export class Group {
 2	constructor() {
 3		this.items = [];
 4	}
 5	update() {
 6		for(const item of this.items) {
 7			item.update();
 8		}
 9	}
10	render(g) {
11		for(const item of this.items) {
12			item.render(g);
13		}
14	}
15	causeEvent(type, events) {
16		for(const item of this.items) {
17			item.causeEvent(type, events);
18		}
19	}
20	collide() {
21		for(const i of this.items) {
22			i.items = [];
23			i.collided = false;
24		}
25		const duplicate = [];
26		for(const a of this.items) {
27			for(const b of this.items) {
28				if(!duplicate.includes(b)) {
29					if(a !== b) {
30						let collided = false;
31						if(a.shape instanceof Shape.Rect && b.shape instanceof Shape.Rect) {
32							collided = Collision.collideRect(a, b);
33						}
34						else if(a.shape instanceof Shape.Circle && b.shape instanceof Shape.Circle) {
35							collided = Collision.collideCircle(a, b);
36						}
37						else {
38							collided = Collision.collideRectAndCircle(a, b);
39						}
40						if(!a.collided) {
41							a.collided = collided;
42						}
43						if(!b.collided) {
44							b.collided = collided;
45						}
46						if(collided) {
47							if(!a.items.includes(b)) {
48								a.items.push(b);
49							}
50							if(!b.items.includes(a)) {
51								b.items.push(a);
52							}
53						}
54					}
55				}
56			}
57			duplicate.push(a);
58		}
59	}
60	add(item) {
61		this.items.push(item);
62	}
63	remove(item) {
64		const i = this.items.findIndex(n => n === item);
65		if(i !== -1) {
66			this.items.splice(i, 1);
67		}
68	}
69	[Symbol.iterator]() {
70		return this.items.values();
71	}
72}