dear_implot3d/plots/
triangles.rs

1use super::{Plot3D, Plot3DError, validate_lengths, validate_multiple, validate_nonempty};
2use crate::{Plot3DDataLayout, Plot3DDataOffset, Plot3DUi, Triangle3DFlags};
3
4pub struct Triangles3D<'a> {
5    pub label: &'a str,
6    pub xs_f32: Option<&'a [f32]>,
7    pub ys_f32: Option<&'a [f32]>,
8    pub zs_f32: Option<&'a [f32]>,
9    pub xs_f64: Option<&'a [f64]>,
10    pub ys_f64: Option<&'a [f64]>,
11    pub zs_f64: Option<&'a [f64]>,
12    pub flags: Triangle3DFlags,
13    layout: Plot3DDataLayout,
14    pub points_f32: Option<&'a [[f32; 3]]>,
15    pub points_f64: Option<&'a [[f64; 3]]>,
16}
17
18impl<'a> Triangles3D<'a> {
19    pub fn f32(label: &'a str, xs: &'a [f32], ys: &'a [f32], zs: &'a [f32]) -> Self {
20        Self {
21            label,
22            xs_f32: Some(xs),
23            ys_f32: Some(ys),
24            zs_f32: Some(zs),
25            xs_f64: None,
26            ys_f64: None,
27            zs_f64: None,
28            flags: Triangle3DFlags::NONE,
29            layout: Plot3DDataLayout::DEFAULT,
30            points_f32: None,
31            points_f64: None,
32        }
33    }
34    pub fn f64(label: &'a str, xs: &'a [f64], ys: &'a [f64], zs: &'a [f64]) -> Self {
35        Self {
36            label,
37            xs_f32: None,
38            ys_f32: None,
39            zs_f32: None,
40            xs_f64: Some(xs),
41            ys_f64: Some(ys),
42            zs_f64: Some(zs),
43            flags: Triangle3DFlags::NONE,
44            layout: Plot3DDataLayout::DEFAULT,
45            points_f32: None,
46            points_f64: None,
47        }
48    }
49    pub fn points_f32(label: &'a str, pts: &'a [[f32; 3]]) -> Self {
50        Self {
51            label,
52            xs_f32: None,
53            ys_f32: None,
54            zs_f32: None,
55            xs_f64: None,
56            ys_f64: None,
57            zs_f64: None,
58            flags: Triangle3DFlags::NONE,
59            layout: Plot3DDataLayout::DEFAULT,
60            points_f32: Some(pts),
61            points_f64: None,
62        }
63    }
64    pub fn points_f64(label: &'a str, pts: &'a [[f64; 3]]) -> Self {
65        Self {
66            label,
67            xs_f32: None,
68            ys_f32: None,
69            zs_f32: None,
70            xs_f64: None,
71            ys_f64: None,
72            zs_f64: None,
73            flags: Triangle3DFlags::NONE,
74            layout: Plot3DDataLayout::DEFAULT,
75            points_f32: None,
76            points_f64: Some(pts),
77        }
78    }
79    pub fn flags(mut self, flags: Triangle3DFlags) -> Self {
80        self.flags = flags;
81        self
82    }
83    pub fn offset(mut self, offset: Plot3DDataOffset) -> Self {
84        self.layout = self.layout.with_offset(offset);
85        self
86    }
87}
88
89impl<'a> Plot3D for Triangles3D<'a> {
90    fn label(&self) -> &str {
91        self.label
92    }
93    fn try_plot(&self, ui: &Plot3DUi<'_>) -> Result<(), Plot3DError> {
94        if let Some(pts) = self.points_f32 {
95            validate_nonempty(pts)?;
96            validate_multiple(pts.len(), 3, "triangles(points)")?;
97            let mut xs = Vec::with_capacity(pts.len());
98            let mut ys = Vec::with_capacity(pts.len());
99            let mut zs = Vec::with_capacity(pts.len());
100            for p in pts {
101                xs.push(p[0]);
102                ys.push(p[1]);
103                zs.push(p[2]);
104            }
105            ui.plot_triangles_f32(self.label, &xs, &ys, &zs, self.flags);
106            return Ok(());
107        }
108        if let Some(pts) = self.points_f64 {
109            validate_nonempty(pts)?;
110            validate_multiple(pts.len(), 3, "triangles(points)")?;
111            let mut xs = Vec::with_capacity(pts.len());
112            let mut ys = Vec::with_capacity(pts.len());
113            let mut zs = Vec::with_capacity(pts.len());
114            for p in pts {
115                xs.push(p[0]);
116                ys.push(p[1]);
117                zs.push(p[2]);
118            }
119            ui.plot_triangles_f64(self.label, &xs, &ys, &zs, self.flags);
120            return Ok(());
121        }
122        if let (Some(x), Some(y), Some(z)) = (self.xs_f32, self.ys_f32, self.zs_f32) {
123            validate_nonempty(x)?;
124            validate_lengths(x, y, "x/y")?;
125            validate_lengths(y, z, "y/z")?;
126            validate_multiple(x.len(), 3, "triangles")?;
127            unsafe {
128                // High-level plots keep the automatic contiguous stride; offset is normalized by
129                // ImPlot3D within the validated slice count.
130                ui.plot_triangles_f32_raw(self.label, x, y, z, self.flags, self.layout);
131            }
132            return Ok(());
133        }
134        if let (Some(x), Some(y), Some(z)) = (self.xs_f64, self.ys_f64, self.zs_f64) {
135            validate_nonempty(x)?;
136            validate_lengths(x, y, "x/y")?;
137            validate_lengths(y, z, "y/z")?;
138            validate_multiple(x.len(), 3, "triangles")?;
139            unsafe {
140                // High-level plots keep the automatic contiguous stride; offset is normalized by
141                // ImPlot3D within the validated slice count.
142                ui.plot_triangles_f64_raw(self.label, x, y, z, self.flags, self.layout);
143            }
144            return Ok(());
145        }
146        Err(Plot3DError::EmptyData)
147    }
148}
dear_implot3d/plots/triangles.rs

dear_implot3d/plots/
triangles.rs
