base_ui/animation/
animation.rs

1use nalgebra_glm as glm;
2
3pub trait Animation {
4    fn update(&mut self, delta_time: f32);
5    fn is_finished(&self) -> bool;
6}
7
8pub struct FadeAnimation {
9    current: f32,
10    start: f32,
11    end: f32,
12    duration: f32,
13    elapsed: f32,
14}
15
16pub struct Vec2Animation {
17    current: glm::Vec2,
18    start: glm::Vec2,
19    end: glm::Vec2,
20    duration: f32,
21    elapsed: f32,
22}
23
24impl FadeAnimation {
25    pub fn new(start: f32, end: f32, duration: f32) -> Self {
26        Self {
27            current: start,
28            start,
29            end,
30            duration,
31            elapsed: 0.0,
32        }
33    }
34
35    pub fn value(&self) -> f32 {
36        self.current
37    }
38}
39
40impl Animation for FadeAnimation {
41    fn update(&mut self, delta_time: f32) {
42        self.elapsed += delta_time;
43        let t = (self.elapsed / self.duration).min(1.0);
44        self.current = self.start + (self.end - self.start) * t;
45    }
46
47    fn is_finished(&self) -> bool {
48        self.elapsed >= self.duration
49    }
50}
51
52impl Vec2Animation {
53    pub fn new(start: glm::Vec2, end: glm::Vec2, duration: f32) -> Self {
54        Self {
55            current: start,
56            start,
57            end,
58            duration,
59            elapsed: 0.0,
60        }
61    }
62
63    pub fn value(&self) -> glm::Vec2 {
64        self.current
65    }
66}
67
68impl Animation for Vec2Animation {
69    fn update(&mut self, delta_time: f32) {
70        self.elapsed += delta_time;
71        let t = (self.elapsed / self.duration).min(1.0);
72        self.current = self.start + (self.end - self.start) * t;
73    }
74
75    fn is_finished(&self) -> bool {
76        self.elapsed >= self.duration
77    }
78}
79
80pub struct AnimationManager {
81    position_animations: Vec<Vec2Animation>,
82    fade_animations: Vec<FadeAnimation>,
83}
84
85impl AnimationManager {
86    pub fn new() -> Self {
87        Self {
88            position_animations: Vec::new(),
89            fade_animations: Vec::new(),
90        }
91    }
92
93    pub fn update(&mut self, delta_time: f32) {
94        // 벡터 순회하면서 한 번에 업데이트
95        self.position_animations.retain_mut(|anim| {
96            anim.update(delta_time);
97            !anim.is_finished()
98        });
99
100        self.fade_animations.retain_mut(|anim| {
101            anim.update(delta_time);
102            !anim.is_finished()
103        });
104    }
105}
base_ui/animation/animation.rs

base_ui/animation/
animation.rs
