oxihuman-morph 0.1.2

Parametric morphology engine for human body generation — targets, blendshapes, FACS
Documentation 
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
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150

// Copyright (C) 2026 COOLJAPAN OU (Team KitaSan)
// SPDX-License-Identifier: Apache-2.0

//! Submental area (under chin / neck-chin junction) morph controls.

#![allow(dead_code)]

#[allow(dead_code)]
#[derive(Debug, Clone)]
pub struct SubmentalConfig {
    pub max_fullness: f32,
}

#[allow(dead_code)]
#[derive(Debug, Clone)]
pub struct SubmentalState {
    pub fullness: f32,
    pub angle: f32,
    pub definition: f32,
}

#[allow(dead_code)]
pub fn default_submental_config() -> SubmentalConfig {
    SubmentalConfig { max_fullness: 1.0 }
}

#[allow(dead_code)]
pub fn new_submental_state() -> SubmentalState {
    SubmentalState { fullness: 0.0, angle: 0.0, definition: 0.5 }
}

#[allow(dead_code)]
pub fn subm_set_fullness(state: &mut SubmentalState, cfg: &SubmentalConfig, v: f32) {
    state.fullness = v.clamp(0.0, cfg.max_fullness);
}

#[allow(dead_code)]
pub fn subm_set_angle(state: &mut SubmentalState, v: f32) {
    state.angle = v.clamp(-1.0, 1.0);
}

#[allow(dead_code)]
pub fn subm_set_definition(state: &mut SubmentalState, v: f32) {
    state.definition = v.clamp(0.0, 1.0);
}

#[allow(dead_code)]
pub fn subm_reset(state: &mut SubmentalState) {
    *state = new_submental_state();
}

#[allow(dead_code)]
pub fn subm_to_weights(state: &SubmentalState) -> [f32; 3] {
    [state.fullness, state.angle, state.definition]
}

#[allow(dead_code)]
pub fn subm_to_json(state: &SubmentalState) -> String {
    format!(
        r#"{{"fullness":{:.4},"angle":{:.4},"definition":{:.4}}}"#,
        state.fullness, state.angle, state.definition
    )
}

#[allow(dead_code)]
pub fn subm_clamp(state: &mut SubmentalState, cfg: &SubmentalConfig) {
    state.fullness = state.fullness.clamp(0.0, cfg.max_fullness);
    state.angle = state.angle.clamp(-1.0, 1.0);
    state.definition = state.definition.clamp(0.0, 1.0);
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_default_config() {
        let cfg = default_submental_config();
        assert!((cfg.max_fullness - 1.0).abs() < 1e-6);
    }

    #[test]
    fn test_new_state() {
        let s = new_submental_state();
        assert!((s.fullness - 0.0).abs() < 1e-6);
        assert!((s.angle - 0.0).abs() < 1e-6);
        assert!((s.definition - 0.5).abs() < 1e-6);
    }

    #[test]
    fn test_set_fullness_clamps() {
        let cfg = default_submental_config();
        let mut s = new_submental_state();
        subm_set_fullness(&mut s, &cfg, 5.0);
        assert!((s.fullness - 1.0).abs() < 1e-6);
        subm_set_fullness(&mut s, &cfg, -1.0);
        assert!((s.fullness - 0.0).abs() < 1e-6);
    }

    #[test]
    fn test_set_angle_clamps() {
        let mut s = new_submental_state();
        subm_set_angle(&mut s, 5.0);
        assert!((s.angle - 1.0).abs() < 1e-6);
        subm_set_angle(&mut s, -5.0);
        assert!((s.angle - (-1.0)).abs() < 1e-6);
    }

    #[test]
    fn test_set_definition_clamps() {
        let mut s = new_submental_state();
        subm_set_definition(&mut s, 2.0);
        assert!((s.definition - 1.0).abs() < 1e-6);
    }

    #[test]
    fn test_reset() {
        let cfg = default_submental_config();
        let mut s = new_submental_state();
        subm_set_fullness(&mut s, &cfg, 0.9);
        subm_reset(&mut s);
        assert!((s.fullness - 0.0).abs() < 1e-6);
    }

    #[test]
    fn test_to_weights() {
        let s = new_submental_state();
        let w = subm_to_weights(&s);
        assert_eq!(w.len(), 3);
    }

    #[test]
    fn test_to_json() {
        let s = new_submental_state();
        let j = subm_to_json(&s);
        assert!(j.contains("fullness"));
        assert!(j.contains("definition"));
    }

    #[test]
    fn test_clamp() {
        let cfg = default_submental_config();
        let mut s = new_submental_state();
        s.fullness = 10.0;
        s.definition = -1.0;
        subm_clamp(&mut s, &cfg);
        assert!((s.fullness - 1.0).abs() < 1e-6);
        assert!((s.definition - 0.0).abs() < 1e-6);
    }
}