oxihuman-viewer 0.2.1

wgpu/WebGPU rendering adapter for OxiHuman
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
151

#![allow(dead_code)]
//! Shadow casting configuration and stub rendering.

#[allow(dead_code)]
#[derive(Clone, Debug)]
pub struct ShadowConfig {
    pub map_size: u32,
    pub bias: f32,
    pub near: f32,
    pub far: f32,
}

#[allow(dead_code)]
#[derive(Clone, Debug)]
pub struct ShadowCaster {
    config: ShadowConfig,
    cast_count: u32,
}

#[allow(dead_code)]
pub fn new_shadow_caster(config: ShadowConfig) -> ShadowCaster {
    ShadowCaster {
        config,
        cast_count: 0,
    }
}

#[allow(dead_code)]
pub fn default_shadow_config() -> ShadowConfig {
    ShadowConfig {
        map_size: 2048,
        bias: 0.005,
        near: 0.1,
        far: 100.0,
    }
}

#[allow(dead_code)]
pub fn shadow_map_size(sc: &ShadowCaster) -> u32 {
    sc.config.map_size
}

#[allow(dead_code)]
pub fn shadow_bias(sc: &ShadowCaster) -> f32 {
    sc.config.bias
}

#[allow(dead_code)]
pub fn shadow_near(sc: &ShadowCaster) -> f32 {
    sc.config.near
}

#[allow(dead_code)]
pub fn shadow_far(sc: &ShadowCaster) -> f32 {
    sc.config.far
}

#[allow(dead_code)]
pub fn cast_shadow_stub(sc: &mut ShadowCaster) -> u32 {
    sc.cast_count += 1;
    sc.cast_count
}

#[allow(dead_code)]
pub fn shadow_to_json(sc: &ShadowCaster) -> String {
    format!(
        "{{\"map_size\":{},\"bias\":{},\"near\":{},\"far\":{},\"casts\":{}}}",
        sc.config.map_size, sc.config.bias, sc.config.near, sc.config.far, sc.cast_count
    )
}

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

    #[test]
    fn test_new_shadow_caster() {
        let sc = new_shadow_caster(default_shadow_config());
        assert_eq!(shadow_map_size(&sc), 2048);
    }

    #[test]
    fn test_default_shadow_config() {
        let c = default_shadow_config();
        assert_eq!(c.map_size, 2048);
        assert!((c.bias - 0.005).abs() < 1e-6);
    }

    #[test]
    fn test_shadow_map_size() {
        let sc = new_shadow_caster(ShadowConfig {
            map_size: 4096,
            bias: 0.01,
            near: 0.5,
            far: 200.0,
        });
        assert_eq!(shadow_map_size(&sc), 4096);
    }

    #[test]
    fn test_shadow_bias() {
        let sc = new_shadow_caster(default_shadow_config());
        assert!((shadow_bias(&sc) - 0.005).abs() < 1e-6);
    }

    #[test]
    fn test_shadow_near() {
        let sc = new_shadow_caster(default_shadow_config());
        assert!((shadow_near(&sc) - 0.1).abs() < 1e-6);
    }

    #[test]
    fn test_shadow_far() {
        let sc = new_shadow_caster(default_shadow_config());
        assert!((shadow_far(&sc) - 100.0).abs() < 1e-6);
    }

    #[test]
    fn test_cast_shadow_stub() {
        let mut sc = new_shadow_caster(default_shadow_config());
        assert_eq!(cast_shadow_stub(&mut sc), 1);
        assert_eq!(cast_shadow_stub(&mut sc), 2);
    }

    #[test]
    fn test_shadow_to_json() {
        let sc = new_shadow_caster(default_shadow_config());
        let json = shadow_to_json(&sc);
        assert!(json.contains("\"map_size\":2048"));
    }

    #[test]
    fn test_custom_config() {
        let cfg = ShadowConfig {
            map_size: 1024,
            bias: 0.001,
            near: 1.0,
            far: 50.0,
        };
        let sc = new_shadow_caster(cfg);
        assert_eq!(shadow_map_size(&sc), 1024);
        assert!((shadow_far(&sc) - 50.0).abs() < 1e-6);
    }

    #[test]
    fn test_initial_cast_count() {
        let sc = new_shadow_caster(default_shadow_config());
        let json = shadow_to_json(&sc);
        assert!(json.contains("\"casts\":0"));
    }
}