From 9e22140fb1aed53f70a9a8aebebe2925071f690b Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Sat, 3 Feb 2024 23:37:29 +0100
Subject: w

---
 editor/tests/raycast-test.cpp | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

(limited to 'editor/tests/raycast-test.cpp')

diff --git a/editor/tests/raycast-test.cpp b/editor/tests/raycast-test.cpp
index f074cb98..8bfab6c2 100644
--- a/editor/tests/raycast-test.cpp
+++ b/editor/tests/raycast-test.cpp
@@ -26,6 +26,11 @@ template<typename T> constexpr inline auto chunk_size = Math::Vector2<T>{TILE_MA
 using RTree = std::decay_t<decltype(*std::declval<struct chunk>().rtree())>;
 using Rect = typename RTree::Rect;
 
+template<class T> constexpr inline T sign_(auto&& x) {
+    constexpr auto zero = std::decay_t<decltype(x)>{0};
+    return T(x > zero) - T(x < zero);
+}
+
 constexpr Vector2d pt_to_vec(point from, point pt)
 {
     auto V = Vector2d{};
@@ -416,14 +421,16 @@ struct raycast_test : base_test
 
             if (k == 0)
             {
-                pos[long_axis] += (int)(size[long_axis]/4) * (V[long_axis] < 0 ? -1 : 1);
+                auto sign_long = sign_<int>(V[long_axis]), sign_short = sign_<int>(V[short_axis]);
+                pos[long_axis] += (int)(size[long_axis]/4) * sign_long;
                 size[long_axis] -= size[long_axis]/2;
-                pos[short_axis] += (int)(size[short_axis]/4) * (V[short_axis] < 0 ? -1 : 1);
+                pos[short_axis] += (int)(size[short_axis]/4) * sign_short;
                 size[short_axis] -= size[short_axis]/2;
             }
             else if (k == nsteps)
             {
-                pos[long_axis] -= (int)(size[long_axis]/4) * (V[long_axis] < 0 ? -1 : 1);
+                auto sign_long = sign_<int>(V[long_axis]);
+                pos[long_axis] -= (int)(size[long_axis]/4) * sign_long;
                 size[long_axis] -= size[long_axis]/2;
                 size[long_axis] += (unsigned)iTILE_SIZE2.x() / 2;
             }
-- 
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