noteuclid/refraction
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Use the fancy functions

Browse Source 
It is not as beautiful as it could be but... looks OK for now
This commit is contained in:
numzero 2024-05-27 19:44:28 +03:00
parent 355416764f
commit 6fd15f9422
1 changed files with 17 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
src/bin/flat.rs
View File

@ -130,15 +130,14 @@ fn draw_ray_2(gc: &mut Vec<Draw>, space: &Space, base: Vec2, dir: Vec2) {
let dir = space.rect.globalize(base, dir);
gc.new_path();
gc.move_to(base.x, base.y);
let mut p = base;
let mut v = space.rect.normalize_vec_at(base, dir) * DT;
let mut ray = Ray { pos: base, dir: space.rect.normalize_vec_at(base, dir) * DT };
for _ in 0..10000 {
Ray { pos: p, dir: v } = space.trace_step(Ray { pos: p, dir: v });
gc.line_to(p.x, p.y);
if p.abs().cmpgt(Vec2::splat(1000.0)).any() {
ray = space.trace_step(ray);
gc.line_to(ray.pos.x, ray.pos.y);
if ray.pos.abs().cmpgt(Vec2::splat(1000.0)).any() {
break;
}
let sub = space.which_subspace(p);
let sub = space.which_subspace(ray.pos);
if sub == Boundary {
continue;
}
@ -146,31 +145,29 @@ fn draw_ray_2(gc: &mut Vec<Draw>, space: &Space, base: Vec2, dir: Vec2) {
gc.new_dash_pattern();
gc.dash_length(6.0);
gc.new_path();
gc.move_to(p.x, p.y);
gc.move_to(ray.pos.x, ray.pos.y);
match sub {
Inner => {
let cell = RectInside { rect: space.rect };
let ray = cell.ray_to_local(Ray { pos: p, dir: v });
let ray = cell.to_boundary(ray).expect("Can't get outta here!");
Ray { pos: p, dir: v } = cell.ray_to_global(ray);
ray = space.trace_inner(ray);
}
Outer => {
let cell = basic_shapes::Rect { size: vec2(space.rect.outer_radius, space.rect.external_halflength) };
let Some(dist) = cell.trace_into(Ray { pos: p, dir: v }) else {
p += v * (1000.0 / DT);
gc.line_to(p.x, p.y);
gc.stroke();
break;
ray = match space.trace_outer(ray) {
Some(r) => r,
None => {
ray.pos += ray.dir * (1000.0 / DT);
gc.line_to(ray.pos.x, ray.pos.y);
gc.stroke();
break;
}
};
p += v * dist;
}
Boundary => panic!(),
}
gc.line_to(p.x, p.y);
gc.line_to(ray.pos.x, ray.pos.y);
gc.stroke();
gc.new_dash_pattern();
gc.new_path();
gc.move_to(p.x, p.y);
gc.move_to(ray.pos.x, ray.pos.y);
}
gc.stroke();
gc.new_dash_pattern();