input/input.go


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

package input

import "ponger/ecs"

type DeviceID int

type Event struct {
	ecs.Event
	Which                                DeviceID
	Dx, Dy                               float32
	JustPressed, JustReleased, IsPressed bool
}

type Handler interface {
	Process(ev Event)
}

func ProcessTree(root any, ev Event) {
	if inp, ok := root.(Handler); ok {
		inp.Process(ev)
	}
	if g, ok := root.(ecs.IsGameObject); ok {
		for _, c := range g.GO().Children {
			if c == nil {
				continue
			}
			ProcessTree(c, ev)
		}
	}
}