only allow z level switch when modifier held

1 files changed, 2 insertions, 0 deletions

diff --git a/editor/update.cpp b/editor/update.cpp
index 64d6a2a6..a6f1aca5 100644
--- a/editor/update.cpp
+++ b/editor/update.cpp
@@ -116,6 +116,8 @@ void app::do_mouse_up_down(uint8_t button, bool is_down, int mods)
 void app::do_mouse_scroll(int offset)
 {
     auto mods = get_key_modifiers();
+    if (!(mods & (kmod_ctrl|kmod_shift)))
+        return;
     int min_z = mods & kmod_ctrl ? chunk_z_min : std::max(0, (int)chunk_z_min);
     _z_level = (int8_t)Math::clamp(_z_level + offset, min_z, (int)chunk_z_max);
 }