Scatter missed arrows instead of landing on a ring around towers

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/game.rs

@@ -4886,7 +4886,12 @@ impl Game {
                 TowerKind::Arrow => {
                     // the arrow pierces up to two more heroes behind the target
                     let dir = norm(ex - px, ey - py);
-                    let (endx, endy, wall) = self.arrow_end(px, py, dir.0, dir.1, t.range());
+                    // what the eye sees: past the target the spent arrow comes down at a random
+                    // distance (not all on a circle at the end of the range); the damage below
+                    // still reaches along the whole range
+                    let to_target = ((ex - px).powi(2) + (ey - py).powi(2)).sqrt();
+                    let reach = to_target + 0.8 + self.vrng.f() * (t.range() + 1.5 - to_target - 0.8).max(0.5);
+                    let (endx, endy, wall) = self.arrow_end(px, py, dir.0, dir.1, reach);
                     self.shot(mx, my, mh, endx, endy, 0.45, 0.3, 0xffd0e0f0);
                     self.style_last_fx(if wall { crate::particles::ST_ARROW_WALL } else { crate::particles::ST_ARROW_FALL });
                     self.sfx(Sfx::Shoot, px, py);