kiss3d 0.24.1

3D graphics engine for Rust.
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
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208

extern crate kiss3d;
extern crate nalgebra as na;
extern crate ncollide2d;
extern crate ncollide3d;
extern crate rand;

use kiss3d::light::Light;
use kiss3d::window::Window;
use na::{Point2, Point3, Translation3, Vector2, Vector3};
use ncollide2d::procedural::Polyline;
use ncollide3d::procedural::path::{ArrowheadCap, PolylinePath, PolylinePattern, StrokePattern};
use ncollide3d::procedural::TriMesh;
use std::path::Path;

fn main() {
    let mut window = Window::new("Kiss3d: procedural");

    /*
     * A cube.
     */
    let cube = ncollide3d::procedural::cuboid(&Vector3::new(0.7f32, 0.2, 0.4));
    let mut c = window.add_trimesh(cube, Vector3::from_element(1.0));
    c.append_translation(&Translation3::new(1.0, 0.0, 0.0));
    c.set_texture_from_file(&Path::new("./examples/media/kitten.png"), "kitten");

    /*
     * A sphere.
     */
    let sphere = ncollide3d::procedural::sphere(0.4f32, 20, 20, true);
    let mut s = window.add_trimesh(sphere, Vector3::from_element(1.0));
    s.set_texture_with_name("kitten");

    /*
     * A capsule.
     */
    let capsule = ncollide3d::procedural::capsule(&0.4f32, &0.4f32, 20, 20);
    let mut c = window.add_trimesh(capsule, Vector3::from_element(1.0));
    c.append_translation(&Translation3::new(-1.0, 0.0, 0.0));
    c.set_color(0.0, 0.0, 1.0);

    // /*
    //  * Triangulation.
    //  */
    // let to_triangulate = ncollide_transformation::triangulate(&[
    //     Point3::new(5.0f32, 0.0, 0.0),
    //     Point3::new(6.1, 0.0, 0.5),
    //     Point3::new(7.4, 0.0, 0.5),
    //     Point3::new(8.2, 0.0, 0.0),
    //     Point3::new(5.1f32, 1.0, 0.0),
    //     Point3::new(6.2, 1.5, 0.5),
    //     Point3::new(7.2, 1.0, 0.5),
    //     Point3::new(8.0, 1.3, 0.0),
    //     Point3::new(5.3f32, 2.0, 0.0),
    //     Point3::new(6.1, 2.2, 0.5),
    //     Point3::new(7.3, 2.0, 0.5),
    //     Point3::new(8.2, 2.4, 0.0),
    //     Point3::new(5.2f32, 3.0, 0.0),
    //     Point3::new(6.1, 2.9, 0.5),
    //     Point3::new(7.4, 3.0, 0.5),
    //     Point3::new(8.0, 3.1, 0.0),
    // ]);
    // let mut t = window.add_trimesh(to_triangulate, Vector3::from_element(1.0));
    // t.set_surface_rendering_activation(false);
    // t.set_lines_width(2.0);
    // t.set_color(0.0, 1.0, 0.0);

    /*
     * A (non-rational) bicubic Bézier surface.
     */
    let control_points = [
        Point3::new(0.0f32, 0.0, 0.0),
        Point3::new(1.0, 0.0, 2.0),
        Point3::new(2.0, 0.0, 2.0),
        Point3::new(3.0, 0.0, 0.0),
        Point3::new(0.0f32, 1.0, 2.0),
        Point3::new(1.0, 1.0, 3.0),
        Point3::new(2.0, 1.0, 3.0),
        Point3::new(3.0, 1.0, 2.0),
        Point3::new(0.0f32, 2.0, 2.0),
        Point3::new(1.0, 2.0, 3.0),
        Point3::new(2.0, 2.0, 3.0),
        Point3::new(3.0, 2.0, 2.0),
        Point3::new(0.0f32, 3.0, 0.0),
        Point3::new(1.0, 3.0, 2.0),
        Point3::new(2.0, 3.0, 2.0),
        Point3::new(3.0, 3.0, 0.0),
    ];
    let bezier = ncollide3d::procedural::bezier_surface(&control_points, 4, 4, 100, 100);
    let mut b = window.add_trimesh(bezier, Vector3::from_element(1.0));
    b.append_translation(&Translation3::new(-1.5, -1.5, 0.0));
    b.enable_backface_culling(false);

    // XXX: replace by an `add_mesh`.
    let mut control_polyhedra_gfx = window.add_quad_with_vertices(&control_points, 4, 4);
    control_polyhedra_gfx.append_translation(&Translation3::new(-1.5, -1.5, 0.0));
    control_polyhedra_gfx.set_color(0.0, 0.0, 1.0);
    control_polyhedra_gfx.set_surface_rendering_activation(false);
    control_polyhedra_gfx.set_lines_width(2.0);

    let mut control_points_gfx = window.add_mesh(
        control_polyhedra_gfx.data().get_object().mesh().clone(),
        Vector3::from_element(1.0),
    );
    control_points_gfx.append_translation(&Translation3::new(-1.5, -1.5, 0.0));
    control_points_gfx.set_color(1.0, 0.0, 0.0);
    control_points_gfx.set_surface_rendering_activation(false);
    control_points_gfx.set_points_size(10.0);

    /*
     * Path stroke.
     */
    let control_points = [
        Point3::new(0.0f32, 1.0, 0.0),
        Point3::new(2.0f32, 4.0, 2.0),
        Point3::new(2.0f32, 1.0, 4.0),
        Point3::new(4.0f32, 4.0, 6.0),
        Point3::new(2.0f32, 1.0, 8.0),
        Point3::new(2.0f32, 4.0, 10.0),
        Point3::new(0.0f32, 1.0, 12.0),
        Point3::new(-2.0f32, 4.0, 10.0),
        Point3::new(-2.0f32, 1.0, 8.0),
        Point3::new(-4.0f32, 4.0, 6.0),
        Point3::new(-2.0f32, 1.0, 4.0),
        Point3::new(-2.0f32, 4.0, 2.0),
    ];
    let bezier = ncollide3d::procedural::bezier_curve(&control_points, 100);
    let mut path = PolylinePath::new(&bezier);
    let pattern = ncollide2d::procedural::unit_circle(100);
    let start_cap = ArrowheadCap::new(1.5f32, 2.0, 0.0);
    let end_cap = ArrowheadCap::new(2.0f32, 2.0, 0.5);
    let mut pattern = PolylinePattern::new(pattern.coords(), true, start_cap, end_cap);
    let mesh = pattern.stroke(&mut path);
    let mut m = window.add_trimesh(mesh, Vector3::new(0.5f32, 0.5, 0.5));
    m.append_translation(&Translation3::new(4.0, -1.0, 0.0));
    m.set_color(1.0, 1.0, 0.0);

    /*
     * Convex hull of 100,000 random 3d points.
     */
    let mut points = Vec::new();
    for _ in 0usize..100000 {
        points.push(rand::random::<Point3<f32>>() * 2.0f32);
    }

    let chull = ncollide3d::transformation::convex_hull(&points[..]);
    let mut mhull = window.add_trimesh(chull, Vector3::from_element(1.0));
    let mut mpts = window.add_trimesh(
        TriMesh::new(points, None, None, None),
        Vector3::from_element(1.0),
    );
    mhull.append_translation(&Translation3::new(0.0, 2.0, -1.0));
    mhull.set_color(0.0, 1.0, 0.0);
    mhull.set_lines_width(2.0);
    mhull.set_surface_rendering_activation(false);
    mhull.set_points_size(10.0);
    mpts.set_color(0.0, 0.0, 1.0);
    mpts.append_translation(&Translation3::new(0.0, 2.0, -1.0));
    mpts.set_points_size(2.0);
    mpts.set_surface_rendering_activation(false);

    /*
     * Convex hull of 100,000 random 2d points.
     */
    let mut points = Vec::new();
    let origin = Point2::new(3.0f32, 2.0);
    for _ in 0usize..100000 {
        points.push(origin + rand::random::<Vector2<f32>>() * 2.0f32);
    }

    let points = &points[..];
    let polyline = ncollide2d::transformation::convex_hull(points);

    /*
     *
     * Rendering.
     *
     */
    window.set_light(Light::StickToCamera);

    while window.render() {
        draw_polyline(&mut window, &polyline, points);
    }
}

fn draw_polyline(window: &mut Window, polyline: &Polyline<f32>, points: &[Point2<f32>]) {
    for pt in polyline.coords().windows(2) {
        window.draw_line(
            &Point3::new(pt[0].x, pt[0].y, 0.0),
            &Point3::new(pt[1].x, pt[1].y, 0.0),
            &Point3::new(0.0, 1.0, 0.0),
        );
    }

    let last = polyline.coords().len() - 1;
    window.draw_line(
        &Point3::new(polyline.coords()[0].x, polyline.coords()[0].y, 0.0),
        &Point3::new(polyline.coords()[last].x, polyline.coords()[last].y, 0.0),
        &Point3::new(0.0, 1.0, 0.0),
    );

    for pt in points.iter() {
        window.draw_point(&Point3::new(pt.x, pt.y, 0.0), &Point3::new(0.0, 0.0, 1.0));
    }

    for pt in polyline.coords().iter() {
        window.draw_point(&Point3::new(pt.x, pt.y, 0.0), &Point3::new(1.0, 0.0, 0.0));
    }
}