noteuclid/refraction
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This commit is contained in:
numzero 2024-03-25 18:30:58 +03:00
parent 1c30605855
commit 48cf277b08
1 changed files with 4 additions and 26 deletions
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30
src/main.rs
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@ -158,7 +158,6 @@ fn main() -> io::Result<()> {
let mut f = BufReader::new(f);
ObjMesh::read(&mut f)?
};
dbg!(&mesh);
let mut img = Image {
w: W,
h: H,
@ -179,38 +178,17 @@ fn main() -> io::Result<()> {
1.0, 0.0, 0.0,
0.0, pitch.cos(), -pitch.sin(),
0.0, pitch.sin(), pitch.cos());
let m1 = m_roll * m_pitch * m_yaw;
let m_camera = m_roll * m_pitch * m_yaw;
for f in mesh.faces {
let vs = f.vertices
.map(|v| m1 * mesh.vertices[v.vertex])
.map(|v| mesh.vertices[v.vertex]);
let vs = vs
.map(|v| m_camera * v)
.map(|v| vec2(W as f32 * 0.5 + v.x * SCALE, H as f32 * 0.5 + v.y * SCALE));
let n = mesh.normals[f.vertices[0].normal];
if (m1 * mesh.normals[f.vertices[0].normal]).z < 0.0 {
continue;
}
/*
let r: u8 = rand::thread_rng().gen_range(0..255);
let g: u8 = rand::thread_rng().gen_range(0..255);
let b: u8 = rand::thread_rng().gen_range(0..255);
*/
let color = glm::clamp(to_ivec3(n * 120.0 + 128.0), ivec3(0, 0, 0), ivec3(255, 255, 255));
img.draw_tri(vs[0], vs[1], vs[2], Color(color.x as u8, color.y as u8, color.z as u8));
}
/*
for v in mesh.vertices {
img.put_pixel(W / 2 + (v.x * SCALE) as i32, H / 2 + (v.z * SCALE) as i32, Color(255, 255, 255));
}
for y in 0..H {
for x in 0..W {
let r = (x * 256 / W).clamp(0, 255) as u8;
let g = (y * 256 / H).clamp(0, 255) as u8;
let b = rand::thread_rng().gen_range(128 - 16..128 + 16);
img.put_pixel(x, y, Color(r, g, b));
}
}
*/
let f = File::create("1.ppm")?;
let mut f = BufWriter::new(f);
write!(f, "P6\n")?;