noteuclid/refraction
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Use constants

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This commit is contained in:
numzero 2024-05-07 15:30:15 +03:00
parent 76826b74e2
commit 485a25c029
1 changed files with 6 additions and 3 deletions
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9
src/bin/flat.rs
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@ -8,6 +8,9 @@ use crate::boundary::Loop;
#[cfg(test)] #[cfg(test)]
use approx::assert_abs_diff_eq; use approx::assert_abs_diff_eq;
const RAYS_IN_FAN: usize = 101;
const DT: f32 = 0.1;
pub fn main() { pub fn main() {
let space = Coil { let space = Coil {
scale: 3.0, scale: 3.0,
@ -86,7 +89,7 @@ impl SpaceVisual for Inside {
impl Rayable for [Box<dyn SpacePart>] { impl Rayable for [Box<dyn SpacePart>] {
fn draw_ray(&self, gc: &mut Vec<Draw>, base: Vec2, dir: Vec2) { fn draw_ray(&self, gc: &mut Vec<Draw>, base: Vec2, dir: Vec2) {
gc.new_path(); gc.new_path();
let dt = 1.0; let dt = DT;
let mut s = boundary::Id(0); let mut s = boundary::Id(0);
let mut p = base; let mut p = base;
let mut v = dir.normalize(); let mut v = dir.normalize();
@ -125,7 +128,7 @@ trait Rayable {
fn draw_fan(&self, gc: &mut Vec<Draw>, base: Vec2, dir: Vec2, spread: f32) { fn draw_fan(&self, gc: &mut Vec<Draw>, base: Vec2, dir: Vec2, spread: f32) {
let dir = dir.normalize(); let dir = dir.normalize();
let v = vec2(-dir.y, dir.x); let v = vec2(-dir.y, dir.x);
for y in itertools_num::linspace(-spread, spread, 101) { for y in itertools_num::linspace(-spread, spread, RAYS_IN_FAN) {
self.draw_ray(gc, base, dir + y * v); self.draw_ray(gc, base, dir + y * v);
} }
} }
@ -136,7 +139,7 @@ impl<T: Metric> Rayable for T {
let dir = self.globalize(base, dir); let dir = self.globalize(base, dir);
gc.new_path(); gc.new_path();
gc.move_to(base.x, base.y); gc.move_to(base.x, base.y);
for pt in trace_iter(self, base, dir, 1.0).take(10000) { for pt in trace_iter(self, base, dir, DT).take(10000) {
gc.line_to(pt.x, pt.y); gc.line_to(pt.x, pt.y);
if pt.abs().cmpgt(Vec2::splat(1000.0)).any() { if pt.abs().cmpgt(Vec2::splat(1000.0)).any() {
break; break;