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numzero 2024-04-20 18:47:10 +03:00
parent e3c99349a5
commit 971bb171be
1 changed files with 13 additions and 2 deletions
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15
src/main.rs
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@ -124,11 +124,22 @@ fn main() -> io::Result<()> {
let base = m_camera * base; let base = m_camera * base;
let ray = m_camera * normalize(ray); let ray = m_camera * normalize(ray);
let mut dist = f32::INFINITY;
for f in &mesh { for f in &mesh {
let color = clamp(to_ivec3(f.normal * 120.0 + 128.0), ivec3(0, 0, 0), ivec3(255, 255, 255)); let color = clamp(to_ivec3(f.normal * 120.0 + 128.0), ivec3(0, 0, 0), ivec3(255, 255, 255));
let ds = (0..3).map(|k| edge_dist(f.vertices[k], f.vertices[(k + 1) % 3], base, ray)); let fs = (0..3).map(|k| edge_dist(f.vertices[k], f.vertices[(k + 1) % 3], base, ray));
if ds.into_iter().all(|d| d > 0.0) { if fs.into_iter().all(|f| f > 0.0) {
let m = Mat3 { c0: f.vertices[1] - f.vertices[0], c1: f.vertices[2] - f.vertices[0], c2: -ray };
if let Some(m) = m.inverse() {
let rel = m * (base - f.vertices[0]);
if rel.z > dist {
continue;
}
dist = rel.z;
} else {
continue;
}
img.put_pixel(x, y, Color(color.x as u8, color.y as u8, color.z as u8)); img.put_pixel(x, y, Color(color.x as u8, color.y as u8, color.z as u8));
} }
} }