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oxihuman_morph/
jaw_depth_control.rs

1// Copyright (C) 2026 COOLJAPAN OU (Team KitaSan)
2// SPDX-License-Identifier: Apache-2.0
3
4#![allow(dead_code)]
5
6//! Jaw depth morph control: adjusts the anterior-posterior depth of the jaw.
7
8/// Configuration for jaw depth morphing.
9#[allow(dead_code)]
10#[derive(Debug, Clone)]
11pub struct JawDepthConfig {
12    pub min_depth: f32,
13    pub max_depth: f32,
14}
15
16/// Runtime state for jaw depth morph.
17#[allow(dead_code)]
18#[derive(Debug, Clone)]
19pub struct JawDepthState {
20    pub depth: f32,
21    pub angle: f32,
22    pub ramus_height: f32,
23}
24
25#[allow(dead_code)]
26pub fn default_jaw_depth_config() -> JawDepthConfig {
27    JawDepthConfig {
28        min_depth: 0.0,
29        max_depth: 1.0,
30    }
31}
32
33#[allow(dead_code)]
34pub fn new_jaw_depth_state() -> JawDepthState {
35    JawDepthState {
36        depth: 0.5,
37        angle: 0.5,
38        ramus_height: 0.5,
39    }
40}
41
42#[allow(dead_code)]
43pub fn jd_set_depth(state: &mut JawDepthState, cfg: &JawDepthConfig, v: f32) {
44    state.depth = v.clamp(cfg.min_depth, cfg.max_depth);
45}
46
47#[allow(dead_code)]
48pub fn jd_set_angle(state: &mut JawDepthState, v: f32) {
49    state.angle = v.clamp(0.0, 1.0);
50}
51
52#[allow(dead_code)]
53pub fn jd_set_ramus(state: &mut JawDepthState, v: f32) {
54    state.ramus_height = v.clamp(0.0, 1.0);
55}
56
57#[allow(dead_code)]
58pub fn jd_reset(state: &mut JawDepthState) {
59    *state = new_jaw_depth_state();
60}
61
62#[allow(dead_code)]
63pub fn jd_to_weights(state: &JawDepthState) -> Vec<(String, f32)> {
64    vec![
65        ("jaw_depth".to_string(), state.depth),
66        ("jaw_angle".to_string(), state.angle),
67        ("jaw_ramus_height".to_string(), state.ramus_height),
68    ]
69}
70
71#[allow(dead_code)]
72pub fn jd_to_json(state: &JawDepthState) -> String {
73    format!(
74        r#"{{"depth":{:.4},"angle":{:.4},"ramus_height":{:.4}}}"#,
75        state.depth, state.angle, state.ramus_height
76    )
77}
78
79#[allow(dead_code)]
80pub fn jd_blend(a: &JawDepthState, b: &JawDepthState, t: f32) -> JawDepthState {
81    let t = t.clamp(0.0, 1.0);
82    JawDepthState {
83        depth: a.depth + (b.depth - a.depth) * t,
84        angle: a.angle + (b.angle - a.angle) * t,
85        ramus_height: a.ramus_height + (b.ramus_height - a.ramus_height) * t,
86    }
87}
88
89#[allow(dead_code)]
90pub fn jd_effective_depth(state: &JawDepthState) -> f32 {
91    state.depth * (1.0 + state.angle * 0.15)
92}
93
94#[cfg(test)]
95mod tests {
96    use super::*;
97
98    #[test]
99    fn test_default_config() {
100        let cfg = default_jaw_depth_config();
101        assert!(cfg.min_depth.abs() < 1e-6);
102        assert!((cfg.max_depth - 1.0).abs() < 1e-6);
103    }
104
105    #[test]
106    fn test_new_state() {
107        let s = new_jaw_depth_state();
108        assert!((s.depth - 0.5).abs() < 1e-6);
109        assert!((s.angle - 0.5).abs() < 1e-6);
110    }
111
112    #[test]
113    fn test_set_depth_clamps() {
114        let cfg = default_jaw_depth_config();
115        let mut s = new_jaw_depth_state();
116        jd_set_depth(&mut s, &cfg, 5.0);
117        assert!((s.depth - 1.0).abs() < 1e-6);
118    }
119
120    #[test]
121    fn test_set_angle() {
122        let mut s = new_jaw_depth_state();
123        jd_set_angle(&mut s, 0.8);
124        assert!((s.angle - 0.8).abs() < 1e-6);
125    }
126
127    #[test]
128    fn test_set_ramus() {
129        let mut s = new_jaw_depth_state();
130        jd_set_ramus(&mut s, 0.2);
131        assert!((s.ramus_height - 0.2).abs() < 1e-6);
132    }
133
134    #[test]
135    fn test_reset() {
136        let cfg = default_jaw_depth_config();
137        let mut s = new_jaw_depth_state();
138        jd_set_depth(&mut s, &cfg, 0.9);
139        jd_reset(&mut s);
140        assert!((s.depth - 0.5).abs() < 1e-6);
141    }
142
143    #[test]
144    fn test_to_weights() {
145        let s = new_jaw_depth_state();
146        assert_eq!(jd_to_weights(&s).len(), 3);
147    }
148
149    #[test]
150    fn test_to_json() {
151        let s = new_jaw_depth_state();
152        let j = jd_to_json(&s);
153        assert!(j.contains("depth"));
154        assert!(j.contains("angle"));
155    }
156
157    #[test]
158    fn test_blend() {
159        let a = new_jaw_depth_state();
160        let mut b = new_jaw_depth_state();
161        b.depth = 1.0;
162        let mid = jd_blend(&a, &b, 0.5);
163        assert!((mid.depth - 0.75).abs() < 1e-6);
164    }
165
166    #[test]
167    fn test_effective_depth() {
168        let s = new_jaw_depth_state();
169        let d = jd_effective_depth(&s);
170        assert!(d > 0.0);
171    }
172}