toki/rust-render
1
0
Fork 0
Code Issues Pull requests Activity

Finished diffuse shading calculations

Browse source
This commit is contained in:
bijan2005 2021-01-24 10:23:59 -05:00
parent 20c32fc467
commit 6ef2c65009
7 changed files with 65 additions and 171 deletions
Download patch file Download diff file Expand all files Collapse all files

99
src/object/triangle.rs
View file

@ -241,102 +241,3 @@ impl Surface for TriangleMesh {
Bound { center: center, radius: radius + 1e-3, bypass: false }
}
}
#[cfg(test)]
mod tests {
use super::*;
fn roundcolor(color: Color) -> Color {
Color::new((color.red * 100.0).round() / 100.0, (color.green * 100.0).round() / 100.0, (color.blue * 100.0).round() / 100.0)
}
#[test]
fn triangle_intersect() {
let triangle = TriangleMesh::singleton_solid(Point3::new(0.0, 0.0, 0.0), Point3::new(1.0, 1.0, 0.0), Point3::new(0.0, 0.0, 1.0), Color::black());
let ray = Ray::new(Point3::new(0.5, 5.0, 0.3), Vector3::new(0.0, -1.0, 0.0));
let (t, u, v) = triangle.tris[0].intersect_(&triangle.vertices, ray).unwrap();
println!("{},{},{}", t, u, v);
assert!(t >= 0.0 && t <= 1.0);
assert!(u >= 0.0 && u <= 1.0);
assert!(v >= 0.0 && v <= 1.0);
}
#[test]
fn triangle_getcolor() {
let triangle = TriangleMesh::singleton(Point3::new(0.0, 0.0, 0.0), Point3::new(1.0, 1.0, 0.0), Point3::new(0.0, 0.0, 1.0), |t, u, v| Color::new(t, u, v));
let t = 0.4;
let u = 0.1;
let v = 1.0 - t - u;
let point = triangle.tris[0].from_bary(&triangle.vertices, t, u, v);
assert_eq!(roundcolor(triangle.getcolor(point)), roundcolor(Color::new(t, u, v)));
}
#[test]
fn triangle_bounds() {
let point1 = Point3::new(0.0, 0.0, 0.0);
let point2 = Point3::new(1.0, 0.0, 0.0);
let point3 = Point3::new(0.0, 1.0, 0.0);
let triangle = TriangleMesh::singleton_solid(point1, point2, point3, Color::black());
let bound = triangle.bound();
println!("{:?}", bound);
assert!(bound.contains(&point1));
assert!(bound.contains(&point2));
assert!(bound.contains(&point3));
}
/*
#[test]
fn triangle_tobound() {
let point1 = Point3::new(-3.0, 4.0, -6.0);
let point2 = Point3::new(5.0, -2.0, -7.0);
let point3 = Point3::new(9.0, -7.0, 3.0);
let (center, radius) = triangle_sphere(&point1, &point2, &point3);
let bound = Bound { center: center, radius: radius + 0.01, bypass: false };
println!("{:?}", bound);
println!("{}\n{}\n{}", distance(&bound.center, &point1),
distance(&bound.center, &point2),
distance(&bound.center, &point3));
assert!(bound.contains(&point1));
assert!(bound.contains(&point2));
assert!(bound.contains(&point3));
}
#[test]
fn triangle_tetrabound() {
let point1 = Point3::new(8.0, -2.0, -5.0);
let point2 = Point3::new(-3.0, 4.0, -6.0);
let point3 = Point3::new(-3.0, -9.0, 3.0);
let point4 = Point3::new(-6.0, 5.0, -9.0);
let (center, radius) = tetrahedron_sphere(&point1, &point2, &point3, &point4);
let bound = Bound { center: center, radius: radius + 0.01, bypass: false };
println!("{:?}", bound);
println!("{}\n{}\n{}\n{}", distance(&bound.center, &point1),
distance(&bound.center, &point2),
distance(&bound.center, &point3),
distance(&bound.center, &point4));
assert!(bound.contains(&point1));
assert!(bound.contains(&point2));
assert!(bound.contains(&point3));
assert!(bound.contains(&point4));
}
*/
}