From 7e1894984c1312c5c77352b102eebb95c225d306 Mon Sep 17 00:00:00 2001
From: Sven Balzer <4653051+Kyuusokuna@users.noreply.github.com>
Date: Sat, 18 Apr 2026 14:52:11 +0200
Subject: [PATCH] add zoom to editor

---
 src/main.cpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/main.cpp b/src/main.cpp
index afa6f02..dc93fdf 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1681,6 +1681,21 @@ static void process_event_editor(SDL_Event event) {
             }
         } break;
 
+        case SDL_EVENT_MOUSE_WHEEL: {
+            vec2 floor_pos_before = get_floor_intersection_of_mouse(vec2(event.wheel.mouse_x, event.wheel.mouse_y));
+            editor_camera_distance = SDL_max(0.2, editor_camera_distance - event.wheel.y * SDL_sqrt(editor_camera_distance));
+
+            view_matrix         = view        (vec3(editor_camera_position, 0), 0, editor_camera_distance);
+            inverse_view_matrix = inverse_view(vec3(editor_camera_position, 0), 0, editor_camera_distance);
+
+            vec2 floor_pos_after = get_floor_intersection_of_mouse(vec2(event.wheel.mouse_x, event.wheel.mouse_y));
+
+            editor_camera_position += floor_pos_before - floor_pos_after;
+
+            view_matrix         = view        (vec3(editor_camera_position, 0), 0, editor_camera_distance);
+            inverse_view_matrix = inverse_view(vec3(editor_camera_position, 0), 0, editor_camera_distance);
+        } break;
+
         case SDL_EVENT_MOUSE_BUTTON_DOWN: {
             if (io.WantCaptureMouse)
                 return;