Add invert zoom direction option

Sources/arm/Config.hx

@@ -102,6 +102,7 @@ class Config {
 			raw.brush_3d = true;
 			raw.brush_live = false;
 			raw.camera_speed = 1.0;
+			raw.invert_zoom_direction = false;
 			raw.displace_strength = 1.0;
 			#if krom_android
 			raw.native_file_browser = false;

Sources/arm/ConfigFormat.hx

@@ -44,6 +44,7 @@ typedef TConfig = {
 	@:optional var brush_3d: Null<Bool>;
 	@:optional var node_preview: Null<Bool>;
 	@:optional var camera_speed: Null<Float>;
+	@:optional var invert_zoom_direction: Null<Bool>;
 	@:optional var displace_strength: Null<Float>;
 	@:optional var native_file_browser: Null<Bool>;
 	@:optional var show_asset_names: Null<Bool>;

Sources/arm/plugin/Camera.hx

@@ -62,7 +62,7 @@ class Camera {
 				if (Operator.shortcut(Config.keymap.action_zoom, ShortcutDown)) {
 					redraws = 2;
 					var f = -mouse.movementY / 150;
-					f *= Config.raw.camera_speed;
+					f *= getCameraSpeed();
 					camera.transform.move(camera.look(), f);
 					dist -= f;
 				}
@@ -70,7 +70,7 @@ class Camera {
 				if (mouse.wheelDelta != 0 && !modif) {
 					redraws = 2;
 					var f = mouse.wheelDelta * (-0.1);
-					f *= Config.raw.camera_speed;
+					f *= getCameraSpeed();
 					camera.transform.move(camera.look(), f);
 					dist -= f;
 				}
@@ -108,14 +108,14 @@ class Camera {
 				if (Operator.shortcut(Config.keymap.action_zoom, ShortcutDown)) {
 					redraws = 2;
 					var f = -mouse.movementY / 150;
-					f *= Config.raw.camera_speed;
+					f *= getCameraSpeed();
 					camera.transform.move(camera.look(), f);
 				}
 
 				if (mouse.wheelDelta != 0) {
 					redraws = 2;
 					var f = mouse.wheelDelta * (-0.1);
-					f *= Config.raw.camera_speed;
+					f *= getCameraSpeed();
 					camera.transform.move(camera.look(), f);
 				}
 			}
@@ -171,6 +171,10 @@ class Camera {
 		});
 	}
 
+	function getCameraSpeed(): Float {
+		return Config.raw.camera_speed * (Config.raw.invert_zoom_direction ? -1 : 1);
+	}
+
 	public function reset() {
 		var camera = iron.Scene.active.camera;
 		dist = camera.transform.loc.length();

Sources/arm/ui/BoxPreferences.hx

@@ -58,6 +58,8 @@ class BoxPreferences {
 				var hspeed = Id.handle({value: Config.raw.camera_speed});
 				Config.raw.camera_speed = ui.slider(hspeed, tr("Camera Speed"), 0.1, 4.0, true);
 
+				Config.raw.invert_zoom_direction = ui.check(Id.handle({selected: Config.raw.invert_zoom_direction}), tr("Invert Zoom Direction"));
+
 				#if (!krom_android && !krom_ios)
 				Config.raw.native_file_browser = ui.check(Id.handle({selected: Config.raw.native_file_browser}), tr("Native File Browser"));
 				#end