horizon-rust/horizon
1
0 Fork 0
mirror of https://github.com/horizon-rust/horizon.git synced 2026-11-07 11:06:11 -10:00
Code Issues Packages Projects Releases 1 Wiki Activity

Expect the orb's float air drag in the flowing-water test

Browse Source 
ExperienceOrb.tick multiplies by 0.98F, so the velocity after one tick is
0.014 * 0.99 * (double) 0.98F, about 2.6e-10 away from the double 0.98.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
This commit is contained in:
Ludovic MarieandClaude Opus 5.5 committed 2026-11-02 22:48:15 +01:00
1 parent f975439f55
commit d6bb00a14d
1 file changed
+3 -2
Download Patch File Download Diff File Expand all files Collapse all files
crates/horizon-client/src/entities/fluids.rs
+3 -2
View File
@@ -378,9 +378,10 @@ mod tests {
None,
&fluids,
));
// Current pushes the orb, underwater drag damps before motion, then air drag (0.98).
// Current pushes the orb, underwater drag damps before motion, then air
// drag: `ExperienceOrb.tick`'s `0.98F`, a float widened to double.
assert!((carried.position.x - at.x - 0.014 * 0.99).abs() < 1e-12);
assert!((carried.velocity.x - (0.014 * 0.99 * 0.98)).abs() < 1e-12);
assert!((carried.velocity.x - 0.014 * 0.99 * f64::from(0.98_f32)).abs() < 1e-12);
for _ in 0..20 {
carried.tick(
&world,