dxlib 0.5.1

dxlib dll 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

//! demo dx bridge for DxLib
//!

use crate::{dx::*, ext::*};

use fullerene::c60::{C60, C60Center};
use fullerene::dodecahedron::{Dodecahedron, DodecahedronCenter};
use fullerene::icosahedron::Icosahedron;
use fullerene::{PHF, TUV, f_to_f32}; // f_to_f64
use ph_faces::FTVI; // fullerene::polyhedron::FTVI;
use num::Float;

pub mod dum;
pub mod typ;

/// square bended shape Z (not gl order)
/// - result vert: Vec<VERTEX3D>
pub fn gen_vert() -> Vec<VERTEX3DSHADER> {
  let mut vert: Vec<VERTEX3DSHADER> = [ // (shape, diffuse, texture)
    ([-128.0, -256.0, 128.0], [255, 255, 255, 255], [0.0, 0.0]),
    ([128.0, -384.0, 128.0], [128, 128, 128, 255], [1.0, 0.0]),
    ([-128.0, -384.0, -128.0], [255, 128, 255, 255], [0.0, 1.0]),
    ([128.0, -256.0, -128.0], [255, 255, 255, 255], [1.0, 1.0])
  ].iter().map(|t| {
    let pos = VECTOR::get(&t.0); // shape Z CW[0 1 2] + CCW[1 2 3]
    let spos = FLOAT4::zeros();
    let norm = VECTOR::get(&t.0); // calc later
    let tan = VECTOR::zeros();
    let binorm = VECTOR::zeros();
    let dif = COLOR_U8::get(&t.1); // diffuse (blend vetex color with texture)
    let spc = COLOR_U8::zeros(); // specular
    let uv = FLOAT2::get(&t.2); // texture UV shape Z CW + CCW
    let suv = FLOAT2::zeros();
    VERTEX3DSHADER{pos, spos, norm, tan, binorm, dif, spc, uv, suv}
  }).collect();
  // add 2 vertices to make shape Z as CW[0 1 2] + CW[3 2 1]
  vert.push(vert[2].clone()); // vert[4]
  vert.push(vert[1].clone()); // vert[5]
  calc_norm(&mut vert, false);
  vert
}

/// square bended shape &lt;&gt; (gl order)
pub fn gen_vert_gl() -> Vec<VT> {
  let vert_gl: Vec<VT> = [ // (for GL)
    ([-1.0, -1.5, 0.0, 1.0], [0.0, 1.0]),
    ([-1.0, -2.0, 1.0, 1.0], [1.0, 1.0]),
    ([1.0, -2.0, 0.0, 1.0], [1.0, 0.0]),
    ([1.0, -1.5, -0.5, 1.0], [0.0, 0.0])
  ].iter().map(|t| VT::get(&t.0, &t.1)).collect();
  vert_gl
}

/// polygon (gl order)
pub fn gen_poly_gl(n: usize) -> Vec<VT> {
  let poly_gl: Vec<VT> = (0..n).into_iter().map(|i| {
    let t = 2.0 * std::f32::consts::PI * i as f32 / n as f32;
    let p = [t.cos(), t.sin() - 1.0, t.sin(), 1.0];
    let uv = [(1.0 + t.cos()) / 2.0, 1.0 - (1.0 + t.sin()) / 2.0];
    VT::get(&p, &uv)
  }).collect();
  poly_gl
}

/// square x 6 (gl order)
pub fn gen_vec_vts_gl() -> Vec<Vec<VT>> {
  let vts_gl = [ // (for GL) FrontFace::Ccw culling Face::Back
    // +X (1, 0, 0) right
    ([1.0, -1.0, 1.0, 1.0], [0.0, 1.0]),
    ([1.0, -1.0, -1.0, 1.0], [1.0, 1.0]),
    ([1.0, 1.0, -1.0, 1.0], [1.0, 0.0]),
    ([1.0, 1.0, 1.0, 1.0], [0.0, 0.0]),
    // -X (-1, 0, 0) left
    ([-1.0, -1.0, 1.0, 1.0], [0.0, 1.0]),
    ([-1.0, 1.0, 1.0, 1.0], [1.0, 1.0]),
    ([-1.0, 1.0, -1.0, 1.0], [1.0, 0.0]),
    ([-1.0, -1.0, -1.0, 1.0], [0.0, 0.0]),
    // +Y (0, 1, 0) back
    ([1.0, 1.0, -1.0, 1.0], [0.0, 1.0]),
    ([-1.0, 1.0, -1.0, 1.0], [1.0, 1.0]),
    ([-1.0, 1.0, 1.0, 1.0], [1.0, 0.0]),
    ([1.0, 1.0, 1.0, 1.0], [0.0, 0.0]),
    // -Y (0, -1, 0) front
    ([1.0, -1.0, -1.0, 1.0], [0.0, 1.0]),
    ([1.0, -1.0, 1.0, 1.0], [1.0, 1.0]),
    ([-1.0, -1.0, 1.0, 1.0], [1.0, 0.0]),
    ([-1.0, -1.0, -1.0, 1.0], [0.0, 0.0]),
    // +Z (0, 0, 1) top
    ([-1.0, 1.0, 1.0, 1.0], [0.0, 1.0]),
    ([-1.0, -1.0, 1.0, 1.0], [1.0, 1.0]),
    ([1.0, -1.0, 1.0, 1.0], [1.0, 0.0]),
    ([1.0, 1.0, 1.0, 1.0], [0.0, 0.0]),
    // -Z (0, 0, -1) bottom
    ([-1.0, 1.0, -1.0, 1.0], [0.0, 1.0]),
    ([1.0, 1.0, -1.0, 1.0], [1.0, 1.0]),
    ([1.0, -1.0, -1.0, 1.0], [1.0, 0.0]),
    ([-1.0, -1.0, -1.0, 1.0], [0.0, 0.0])
  ];
  (0..6).into_iter().map(|f|
    (0..4).into_iter().map(|i| {
      let t = vts_gl[f * 4 + i];
      VT::get(&t.0, &t.1)
    }).collect::<Vec<_>>()).collect::<Vec<_>>()
}

/// cube square x 6 faces on the one texture (gl order)
pub fn gen_c6f_gl() -> Vec<Vec<VT>> {
  let uvs = [
    [[0.25, 0.50], [0.50, 0.50], [0.50, 0.25], [0.25, 0.25]], // 5137
    [[0.25, 0.75], [0.25, 1.00], [0.50, 1.00], [0.50, 0.75]], // 4620
    [[0.50, 0.25], [0.50, 0.00], [0.25, 0.00], [0.25, 0.25]], // 3267
    [[0.50, 0.50], [0.25, 0.50], [0.25, 0.75], [0.50, 0.75]], // 1540
    [[0.00, 0.25], [0.00, 0.50], [0.25, 0.50], [0.25, 0.25]], // 6457
    [[0.75, 0.75], [0.75, 0.50], [0.50, 0.50], [0.50, 0.75]]]; // 2310
  let mut vec_vts = gen_vec_vts_gl();
  for (j, f) in uvs.iter().enumerate() {
    for (i, uv) in f.iter().enumerate() {
      vec_vts[j][i].uv = UV::get(uv);
    }
  }
  vec_vts
}

/// any face (gl order)
pub fn gen_any_face() -> Vec<Vec<VT>> {
  [
    vec![
      ([-1.0, -1.0, 2.0, 1.0], [1.0, 1.0]),
      ([0.0, 0.0, 1.0 - 0.707, 1.0], [0.5, 1.0 - 0.866]),
      ([1.0, -1.0, 2.0, 1.0], [0.0, 1.0])],
    vec![
      ([1.0, -1.0, 2.0, 1.0], [1.0, 1.0]),
      ([0.0, 0.0, 1.0 - 0.707, 1.0], [0.5, 1.0 - 0.866]),
      ([1.0, 1.0, 2.0, 1.0], [0.0, 1.0])],
    vec![
      ([1.0, 1.0, 2.0, 1.0], [1.0, 1.0]),
      ([0.0, 0.0, 1.0 - 0.707, 1.0], [0.5, 1.0 - 0.866]),
      ([-1.0, 1.0, 2.0, 1.0], [0.0, 1.0])],
    vec![
      ([-1.0, 1.0, 2.0, 1.0], [1.0, 1.0]),
      ([0.0, 0.0, 1.0 - 0.707, 1.0], [0.5, 1.0 - 0.866]),
      ([-1.0, -1.0, 2.0, 1.0], [0.0, 1.0])],
    vec![
      ([-1.0, -1.0, 2.0, 1.0], [0.0, 1.0]),
      ([1.0, -1.0, 2.0, 1.0], [1.0, 1.0]),
      ([1.0, 1.0, 2.0, 1.0], [1.0, 0.0]),
      ([-1.0, 1.0, 2.0, 1.0], [0.0, 0.0])]
  ].iter().map(|f|
    f.iter().map(|t|
      VT::get(&t.0, &t.1)).collect::<Vec<_>>()).collect::<Vec<_>>()
}

/// phf to vt (polyhedron faces by Vec N of Vec P indexed triangles) (gl order)
pub fn gen_vt<F: Float>(phf: PHF<F>) -> Vec<Vec<Vec<VT>>> {
  phf.iter().map(|f|
    f.iter().map(|v|
      v.iter().map(|FTVI::<F>{fi: _, ti: _, vi: _, idx: _, p, uv}| {
        let p = f_to_f32(p);
        let uv = f_to_f32(uv);
        VT::get(&[p[0], p[1], p[2], 1.0], &[uv[0], uv[1]])
      }).collect()
    ).collect()
  ).collect()
}

/// icosahedron (gl order)
pub fn gen_icosahedron(tf: bool) -> Vec<Vec<Vec<VT>>> {
  gen_vt(Icosahedron::new(1.0f32).ph.with_uv(tf))
}

/// dodecahedron (gl order)
pub fn gen_dodecahedron(tf: bool) -> Vec<Vec<Vec<VT>>> {
  gen_vt(Dodecahedron::new(1.0f32).ph.with_uv(tf))
}

/// dodecahedron center (gl order)
pub fn gen_dodecahedron_center(tf: bool) -> Vec<Vec<Vec<VT>>> {
  gen_vt(DodecahedronCenter::new(1.0f32).ph.with_uv(tf))
}

/// c60 (gl order)
pub fn gen_c60(tf: bool) -> Vec<Vec<Vec<VT>>> {
  gen_vt(C60::new(1.0f32).ph.with_uv(tf))
}

/// c60 center (gl order)
pub fn gen_c60_center(tf: bool) -> Vec<Vec<Vec<VT>>> {
  gen_vt(C60Center::new(1.0f32).ph.with_uv(tf))
}