From f380b003519a6c297aff8d393bf47dc55bff1bcf Mon Sep 17 00:00:00 2001
From: Mikael Hermansson <mikael@hermansson.io>
Date: Sat, 25 Jan 2025 17:35:00 +0100
Subject: [PATCH] Override mass properties for `Area3D` when using Jolt Physics

---
 modules/jolt_physics/objects/jolt_area_3d.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/modules/jolt_physics/objects/jolt_area_3d.cpp b/modules/jolt_physics/objects/jolt_area_3d.cpp
index eeaeca0faa1..145f18667e7 100644
--- a/modules/jolt_physics/objects/jolt_area_3d.cpp
+++ b/modules/jolt_physics/objects/jolt_area_3d.cpp
@@ -92,6 +92,9 @@ void JoltArea3D::_add_to_space() {
 	jolt_settings->mMotionType = _get_motion_type();
 	jolt_settings->mIsSensor = true;
 	jolt_settings->mUseManifoldReduction = false;
+	jolt_settings->mOverrideMassProperties = JPH::EOverrideMassProperties::MassAndInertiaProvided;
+	jolt_settings->mMassPropertiesOverride.mMass = 1.0f;
+	jolt_settings->mMassPropertiesOverride.mInertia = JPH::Mat44::sIdentity();
 
 	if (JoltProjectSettings::areas_detect_static_bodies()) {
 		jolt_settings->mCollideKinematicVsNonDynamic = true;