oxihuman_morph/
params.rs

1// Copyright (C) 2026 COOLJAPAN OU (Team KitaSan)
2// SPDX-License-Identifier: Apache-2.0
3
4use std::collections::HashMap;
5
6/// Blend-shape parameter state. All values in [0.0, 1.0].
7#[derive(Debug, Clone, PartialEq, serde::Serialize, serde::Deserialize)]
8pub struct ParamState {
9    pub height: f32,
10    pub weight: f32,
11    pub muscle: f32,
12    pub age: f32,
13    /// Extensible extra parameters.
14    pub extra: HashMap<String, f32>,
15}
16
17impl Default for ParamState {
18    fn default() -> Self {
19        ParamState {
20            height: 0.5,
21            weight: 0.5,
22            muscle: 0.5,
23            age: 0.5,
24            extra: HashMap::new(),
25        }
26    }
27}
28
29impl ParamState {
30    pub fn new(height: f32, weight: f32, muscle: f32, age: f32) -> Self {
31        ParamState {
32            height,
33            weight,
34            muscle,
35            age,
36            extra: HashMap::new(),
37        }
38    }
39
40    /// Get any parameter by name (including the built-ins).
41    pub fn get(&self, key: &str) -> Option<f32> {
42        match key {
43            "height" => Some(self.height),
44            "weight" => Some(self.weight),
45            "muscle" => Some(self.muscle),
46            "age" => Some(self.age),
47            other => self.extra.get(other).copied(),
48        }
49    }
50}
51
52#[cfg(test)]
53mod tests {
54    use super::*;
55
56    #[test]
57    fn default_params_are_midpoint() {
58        let p = ParamState::default();
59        assert!((p.height - 0.5).abs() < 1e-6);
60        assert!((p.weight - 0.5).abs() < 1e-6);
61    }
62
63    #[test]
64    fn get_by_name() {
65        let mut p = ParamState::default();
66        p.extra.insert("bmi".to_string(), 0.3);
67        assert_eq!(p.get("height"), Some(0.5));
68        assert_eq!(p.get("bmi"), Some(0.3));
69        assert_eq!(p.get("missing"), None);
70    }
71}
oxihuman_morph/params.rs

oxihuman_morph/
params.rs
