Replace Area gravity point distance scale with unit distance

17 files changed, 70 insertions, 66 deletions

diff --git a/doc/classes/Area2D.xml b/doc/classes/Area2D.xml
index 3f76cc16ec..8a98921a60 100644
--- a/doc/classes/Area2D.xml
+++ b/doc/classes/Area2D.xml
@@ -87,8 +87,9 @@
 		<member name="gravity_point_center" type="Vector2" setter="set_gravity_point_center" getter="get_gravity_point_center" default="Vector2(0, 1)">
 			If gravity is a point (see [member gravity_point]), this will be the point of attraction.
 		</member>
-		<member name="gravity_point_distance_scale" type="float" setter="set_gravity_point_distance_scale" getter="get_gravity_point_distance_scale" default="0.0">
-			The falloff factor for point gravity. The greater the value, the faster gravity decreases with distance.
+		<member name="gravity_point_unit_distance" type="float" setter="set_gravity_point_unit_distance" getter="get_gravity_point_unit_distance" default="0.0">
+			The distance at which the gravity strength is equal to [member gravity]. For example, on a planet 100 pixels in radius with a surface gravity of 4.0 px/s², set the [member gravity] to 4.0 and the unit distance to 100.0. The gravity will have falloff according to the inverse square law, so in the example, at 200 pixels from the center the gravity will be 1.0 px/s² (twice the distance, 1/4th the gravity), at 50 pixels it will be 16.0 px/s² (half the distance, 4x the gravity), and so on.
+			The above is true only when the unit distance is a positive number. When this is set to 0.0, the gravity will be constant regardless of distance.
 		</member>
 		<member name="gravity_space_override" type="int" setter="set_gravity_space_override_mode" getter="get_gravity_space_override_mode" enum="Area2D.SpaceOverride" default="0">
 			Override mode for gravity calculations within this area. See [enum SpaceOverride] for possible values.
diff --git a/doc/classes/Area3D.xml b/doc/classes/Area3D.xml
index d40bca99d8..bd046b7cb8 100644
--- a/doc/classes/Area3D.xml
+++ b/doc/classes/Area3D.xml
@@ -86,8 +86,9 @@
 		<member name="gravity_point_center" type="Vector3" setter="set_gravity_point_center" getter="get_gravity_point_center" default="Vector3(0, -1, 0)">
 			If gravity is a point (see [member gravity_point]), this will be the point of attraction.
 		</member>
-		<member name="gravity_point_distance_scale" type="float" setter="set_gravity_point_distance_scale" getter="get_gravity_point_distance_scale" default="0.0">
-			The falloff factor for point gravity. The greater the value, the faster gravity decreases with distance.
+		<member name="gravity_point_unit_distance" type="float" setter="set_gravity_point_unit_distance" getter="get_gravity_point_unit_distance" default="0.0">
+			The distance at which the gravity strength is equal to [member gravity]. For example, on a planet 100 meters in radius with a surface gravity of 4.0 m/s², set the [member gravity] to 4.0 and the unit distance to 100.0. The gravity will have falloff according to the inverse square law, so in the example, at 200 meters from the center the gravity will be 1.0 m/s² (twice the distance, 1/4th the gravity), at 50 meters it will be 16.0 m/s² (half the distance, 4x the gravity), and so on.
+			The above is true only when the unit distance is a positive number. When this is set to 0.0, the gravity will be constant regardless of distance.
 		</member>
 		<member name="gravity_space_override" type="int" setter="set_gravity_space_override_mode" getter="get_gravity_space_override_mode" enum="Area3D.SpaceOverride" default="0">
 			Override mode for gravity calculations within this area. See [enum SpaceOverride] for possible values.
diff --git a/doc/classes/PhysicsServer2D.xml b/doc/classes/PhysicsServer2D.xml
index a9f0bb9301..93e88347d4 100644
--- a/doc/classes/PhysicsServer2D.xml
+++ b/doc/classes/PhysicsServer2D.xml
@@ -984,8 +984,9 @@
 		<constant name="AREA_PARAM_GRAVITY_IS_POINT" value="3" enum="AreaParameter">
 			Constant to set/get whether the gravity vector of an area is a direction, or a center point.
 		</constant>
-		<constant name="AREA_PARAM_GRAVITY_DISTANCE_SCALE" value="4" enum="AreaParameter">
-			Constant to set/get the falloff factor for point gravity of an area. The greater this value is, the faster the strength of gravity decreases with the square of distance.
+		<constant name="AREA_PARAM_GRAVITY_POINT_UNIT_DISTANCE" value="4" enum="AreaParameter">
+			Constant to set/get the distance at which the gravity strength is equal to the gravity controlled by [constant AREA_PARAM_GRAVITY]. For example, on a planet 100 pixels in radius with a surface gravity of 4.0 px/s², set the gravity to 4.0 and the unit distance to 100.0. The gravity will have falloff according to the inverse square law, so in the example, at 200 pixels from the center the gravity will be 1.0 px/s² (twice the distance, 1/4th the gravity), at 50 pixels it will be 16.0 px/s² (half the distance, 4x the gravity), and so on.
+			The above is true only when the unit distance is a positive number. When the unit distance is set to 0.0, the gravity will be constant regardless of distance.
 		</constant>
 		<constant name="AREA_PARAM_LINEAR_DAMP_OVERRIDE_MODE" value="5" enum="AreaParameter">
 			Constant to set/get linear damping override mode in an area. See [enum AreaSpaceOverrideMode] for possible values.
diff --git a/doc/classes/PhysicsServer3D.xml b/doc/classes/PhysicsServer3D.xml
index 41d216f42b..5b261d8414 100644
--- a/doc/classes/PhysicsServer3D.xml
+++ b/doc/classes/PhysicsServer3D.xml
@@ -1315,8 +1315,9 @@
 		<constant name="AREA_PARAM_GRAVITY_IS_POINT" value="3" enum="AreaParameter">
 			Constant to set/get whether the gravity vector of an area is a direction, or a center point.
 		</constant>
-		<constant name="AREA_PARAM_GRAVITY_DISTANCE_SCALE" value="4" enum="AreaParameter">
-			Constant to set/get the falloff factor for point gravity of an area. The greater this value is, the faster the strength of gravity decreases with the square of distance.
+		<constant name="AREA_PARAM_GRAVITY_POINT_UNIT_DISTANCE" value="4" enum="AreaParameter">
+			Constant to set/get the distance at which the gravity strength is equal to the gravity controlled by [constant AREA_PARAM_GRAVITY]. For example, on a planet 100 meters in radius with a surface gravity of 4.0 m/s², set the gravity to 4.0 and the unit distance to 100.0. The gravity will have falloff according to the inverse square law, so in the example, at 200 meters from the center the gravity will be 1.0 m/s² (twice the distance, 1/4th the gravity), at 50 meters it will be 16.0 m/s² (half the distance, 4x the gravity), and so on.
+			The above is true only when the unit distance is a positive number. When this is set to 0.0, the gravity will be constant regardless of distance.
 		</constant>
 		<constant name="AREA_PARAM_LINEAR_DAMP_OVERRIDE_MODE" value="5" enum="AreaParameter">
 			Constant to set/get linear damping override mode in an area. See [enum AreaSpaceOverrideMode] for possible values.
diff --git a/editor/project_converter_3_to_4.cpp b/editor/project_converter_3_to_4.cpp
index dfbb8e728b..862929c8ce 100644
--- a/editor/project_converter_3_to_4.cpp
+++ b/editor/project_converter_3_to_4.cpp
@@ -311,8 +311,8 @@ static const char *gdscript_function_renames[][2] = {
 	{ "get_font_types", "get_font_type_list" }, // Theme
 	{ "get_frame_color", "get_color" }, // ColorRect
 	{ "get_global_rate_scale", "get_playback_speed_scale" }, // AudioServer
-	{ "get_gravity_distance_scale", "get_gravity_point_distance_scale" }, //Area2D
-	{ "get_gravity_vector", "get_gravity_direction" }, //Area2D
+	{ "get_gravity_distance_scale", "get_gravity_point_unit_distance" }, // Area(2D/3D)
+	{ "get_gravity_vector", "get_gravity_direction" }, // Area(2D/3D)
 	{ "get_h_scrollbar", "get_h_scroll_bar" }, //ScrollContainer
 	{ "get_hand", "get_tracker_hand" }, // XRPositionalTracker
 	{ "get_handle_name", "_get_handle_name" }, // EditorNode3DGizmo
@@ -509,8 +509,8 @@ static const char *gdscript_function_renames[][2] = {
 	{ "set_follow_smoothing", "set_position_smoothing_speed" }, // Camera2D
 	{ "set_frame_color", "set_color" }, // ColorRect
 	{ "set_global_rate_scale", "set_playback_speed_scale" }, // AudioServer
-	{ "set_gravity_distance_scale", "set_gravity_point_distance_scale" }, // Area2D
-	{ "set_gravity_vector", "set_gravity_direction" }, // Area2D
+	{ "set_gravity_distance_scale", "set_gravity_point_unit_distance" }, // Area(2D/3D)
+	{ "set_gravity_vector", "set_gravity_direction" }, // Area(2D/3D)
 	{ "set_h_drag_enabled", "set_drag_horizontal_enabled" }, // Camera2D
 	{ "set_icon_align", "set_icon_alignment" }, // Button
 	{ "set_interior_ambient", "set_ambient_color" }, // ReflectionProbe
@@ -1111,8 +1111,8 @@ static const char *gdscript_properties_renames[][2] = {
 	{ "files_disabled", "file_disabled_color" }, // Theme
 	{ "folder_icon_modulate", "folder_icon_color" }, // Theme
 	{ "global_rate_scale", "playback_speed_scale" }, // AudioServer
-	{ "gravity_distance_scale", "gravity_point_distance_scale" }, // Area2D
-	{ "gravity_vec", "gravity_direction" }, // Area2D
+	{ "gravity_distance_scale", "gravity_point_unit_distance" }, // Area(2D/3D)
+	{ "gravity_vec", "gravity_direction" }, // Area(2D/3D)
 	{ "hint_tooltip", "tooltip_text" }, // Control
 	{ "hseparation", "h_separation" }, // Theme
 	{ "icon_align", "icon_alignment" }, // Button
diff --git a/scene/2d/area_2d.cpp b/scene/2d/area_2d.cpp
index f80da6e9ab..a1dbc7f6a0 100644
--- a/scene/2d/area_2d.cpp
+++ b/scene/2d/area_2d.cpp
@@ -51,13 +51,13 @@ bool Area2D::is_gravity_a_point() const {
 	return gravity_is_point;
 }
 
-void Area2D::set_gravity_point_distance_scale(real_t p_scale) {
-	gravity_distance_scale = p_scale;
-	PhysicsServer2D::get_singleton()->area_set_param(get_rid(), PhysicsServer2D::AREA_PARAM_GRAVITY_DISTANCE_SCALE, p_scale);
+void Area2D::set_gravity_point_unit_distance(real_t p_scale) {
+	gravity_point_unit_distance = p_scale;
+	PhysicsServer2D::get_singleton()->area_set_param(get_rid(), PhysicsServer2D::AREA_PARAM_GRAVITY_POINT_UNIT_DISTANCE, p_scale);
 }
 
-real_t Area2D::get_gravity_point_distance_scale() const {
-	return gravity_distance_scale;
+real_t Area2D::get_gravity_point_unit_distance() const {
+	return gravity_point_unit_distance;
 }
 
 void Area2D::set_gravity_point_center(const Vector2 &p_center) {
@@ -557,8 +557,8 @@ void Area2D::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_gravity_is_point", "enable"), &Area2D::set_gravity_is_point);
 	ClassDB::bind_method(D_METHOD("is_gravity_a_point"), &Area2D::is_gravity_a_point);
 
-	ClassDB::bind_method(D_METHOD("set_gravity_point_distance_scale", "distance_scale"), &Area2D::set_gravity_point_distance_scale);
-	ClassDB::bind_method(D_METHOD("get_gravity_point_distance_scale"), &Area2D::get_gravity_point_distance_scale);
+	ClassDB::bind_method(D_METHOD("set_gravity_point_unit_distance", "distance_scale"), &Area2D::set_gravity_point_unit_distance);
+	ClassDB::bind_method(D_METHOD("get_gravity_point_unit_distance"), &Area2D::get_gravity_point_unit_distance);
 
 	ClassDB::bind_method(D_METHOD("set_gravity_point_center", "center"), &Area2D::set_gravity_point_center);
 	ClassDB::bind_method(D_METHOD("get_gravity_point_center"), &Area2D::get_gravity_point_center);
@@ -622,7 +622,7 @@ void Area2D::_bind_methods() {
 	ADD_GROUP("Gravity", "gravity_");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "gravity_space_override", PROPERTY_HINT_ENUM, "Disabled,Combine,Combine-Replace,Replace,Replace-Combine", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_UPDATE_ALL_IF_MODIFIED), "set_gravity_space_override_mode", "get_gravity_space_override_mode");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "gravity_point", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_UPDATE_ALL_IF_MODIFIED), "set_gravity_is_point", "is_gravity_a_point");
-	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "gravity_point_distance_scale", PROPERTY_HINT_RANGE, "0,1024,0.001,or_greater,exp"), "set_gravity_point_distance_scale", "get_gravity_point_distance_scale");
+	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "gravity_point_unit_distance", PROPERTY_HINT_RANGE, "0,1024,0.001,or_greater,exp,suffix:px"), "set_gravity_point_unit_distance", "get_gravity_point_unit_distance");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "gravity_point_center", PROPERTY_HINT_NONE, "suffix:px"), "set_gravity_point_center", "get_gravity_point_center");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "gravity_direction"), "set_gravity_direction", "get_gravity_direction");
 	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "gravity", PROPERTY_HINT_RANGE, U"-4096,4096,0.001,or_less,or_greater,suffix:px/s\u00B2"), "set_gravity", "get_gravity");
diff --git a/scene/2d/area_2d.h b/scene/2d/area_2d.h
index aaf7ea28f8..8f4bbe3219 100644
--- a/scene/2d/area_2d.h
+++ b/scene/2d/area_2d.h
@@ -51,7 +51,7 @@ private:
 	Vector2 gravity_vec;
 	real_t gravity = 0.0;
 	bool gravity_is_point = false;
-	real_t gravity_distance_scale = 0.0;
+	real_t gravity_point_unit_distance = 0.0;
 
 	SpaceOverride linear_damp_space_override = SPACE_OVERRIDE_DISABLED;
 	SpaceOverride angular_damp_space_override = SPACE_OVERRIDE_DISABLED;
@@ -144,8 +144,8 @@ public:
 	void set_gravity_is_point(bool p_enabled);
 	bool is_gravity_a_point() const;
 
-	void set_gravity_point_distance_scale(real_t p_scale);
-	real_t get_gravity_point_distance_scale() const;
+	void set_gravity_point_unit_distance(real_t p_scale);
+	real_t get_gravity_point_unit_distance() const;
 
 	void set_gravity_point_center(const Vector2 &p_center);
 	const Vector2 &get_gravity_point_center() const;
diff --git a/scene/3d/area_3d.cpp b/scene/3d/area_3d.cpp
index 72f186c676..5901e38bb4 100644
--- a/scene/3d/area_3d.cpp
+++ b/scene/3d/area_3d.cpp
@@ -51,13 +51,13 @@ bool Area3D::is_gravity_a_point() const {
 	return gravity_is_point;
 }
 
-void Area3D::set_gravity_point_distance_scale(real_t p_scale) {
-	gravity_distance_scale = p_scale;
-	PhysicsServer3D::get_singleton()->area_set_param(get_rid(), PhysicsServer3D::AREA_PARAM_GRAVITY_DISTANCE_SCALE, p_scale);
+void Area3D::set_gravity_point_unit_distance(real_t p_scale) {
+	gravity_point_unit_distance = p_scale;
+	PhysicsServer3D::get_singleton()->area_set_param(get_rid(), PhysicsServer3D::AREA_PARAM_GRAVITY_POINT_UNIT_DISTANCE, p_scale);
 }
 
-real_t Area3D::get_gravity_point_distance_scale() const {
-	return gravity_distance_scale;
+real_t Area3D::get_gravity_point_unit_distance() const {
+	return gravity_point_unit_distance;
 }
 
 void Area3D::set_gravity_point_center(const Vector3 &p_center) {
@@ -655,8 +655,8 @@ void Area3D::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_gravity_is_point", "enable"), &Area3D::set_gravity_is_point);
 	ClassDB::bind_method(D_METHOD("is_gravity_a_point"), &Area3D::is_gravity_a_point);
 
-	ClassDB::bind_method(D_METHOD("set_gravity_point_distance_scale", "distance_scale"), &Area3D::set_gravity_point_distance_scale);
-	ClassDB::bind_method(D_METHOD("get_gravity_point_distance_scale"), &Area3D::get_gravity_point_distance_scale);
+	ClassDB::bind_method(D_METHOD("set_gravity_point_unit_distance", "distance_scale"), &Area3D::set_gravity_point_unit_distance);
+	ClassDB::bind_method(D_METHOD("get_gravity_point_unit_distance"), &Area3D::get_gravity_point_unit_distance);
 
 	ClassDB::bind_method(D_METHOD("set_gravity_point_center", "center"), &Area3D::set_gravity_point_center);
 	ClassDB::bind_method(D_METHOD("get_gravity_point_center"), &Area3D::get_gravity_point_center);
@@ -741,7 +741,7 @@ void Area3D::_bind_methods() {
 	ADD_GROUP("Gravity", "gravity_");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "gravity_space_override", PROPERTY_HINT_ENUM, "Disabled,Combine,Combine-Replace,Replace,Replace-Combine", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_UPDATE_ALL_IF_MODIFIED), "set_gravity_space_override_mode", "get_gravity_space_override_mode");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "gravity_point", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_UPDATE_ALL_IF_MODIFIED), "set_gravity_is_point", "is_gravity_a_point");
-	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "gravity_point_distance_scale", PROPERTY_HINT_RANGE, "0,1024,0.001,or_greater,exp"), "set_gravity_point_distance_scale", "get_gravity_point_distance_scale");
+	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "gravity_point_unit_distance", PROPERTY_HINT_RANGE, "0,1024,0.001,or_greater,exp,suffix:m"), "set_gravity_point_unit_distance", "get_gravity_point_unit_distance");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "gravity_point_center", PROPERTY_HINT_NONE, "suffix:m"), "set_gravity_point_center", "get_gravity_point_center");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "gravity_direction"), "set_gravity_direction", "get_gravity_direction");
 	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "gravity", PROPERTY_HINT_RANGE, U"-32,32,0.001,or_less,or_greater,suffix:m/s\u00B2"), "set_gravity", "get_gravity");
diff --git a/scene/3d/area_3d.h b/scene/3d/area_3d.h
index 91b91f741a..607e0d2af8 100644
--- a/scene/3d/area_3d.h
+++ b/scene/3d/area_3d.h
@@ -51,7 +51,7 @@ private:
 	Vector3 gravity_vec;
 	real_t gravity = 0.0;
 	bool gravity_is_point = false;
-	real_t gravity_distance_scale = 0.0;
+	real_t gravity_point_unit_distance = 0.0;
 
 	SpaceOverride linear_damp_space_override = SPACE_OVERRIDE_DISABLED;
 	SpaceOverride angular_damp_space_override = SPACE_OVERRIDE_DISABLED;
@@ -155,8 +155,8 @@ public:
 	void set_gravity_is_point(bool p_enabled);
 	bool is_gravity_a_point() const;
 
-	void set_gravity_point_distance_scale(real_t p_scale);
-	real_t get_gravity_point_distance_scale() const;
+	void set_gravity_point_unit_distance(real_t p_scale);
+	real_t get_gravity_point_unit_distance() const;
 
 	void set_gravity_point_center(const Vector3 &p_center);
 	const Vector3 &get_gravity_point_center() const;
diff --git a/servers/physics_2d/godot_area_2d.cpp b/servers/physics_2d/godot_area_2d.cpp
index 5811e229a9..4d2148aa07 100644
--- a/servers/physics_2d/godot_area_2d.cpp
+++ b/servers/physics_2d/godot_area_2d.cpp
@@ -145,8 +145,8 @@ void GodotArea2D::set_param(PhysicsServer2D::AreaParameter p_param, const Varian
 		case PhysicsServer2D::AREA_PARAM_GRAVITY_IS_POINT:
 			gravity_is_point = p_value;
 			break;
-		case PhysicsServer2D::AREA_PARAM_GRAVITY_DISTANCE_SCALE:
-			gravity_distance_scale = p_value;
+		case PhysicsServer2D::AREA_PARAM_GRAVITY_POINT_UNIT_DISTANCE:
+			gravity_point_unit_distance = p_value;
 			break;
 		case PhysicsServer2D::AREA_PARAM_LINEAR_DAMP_OVERRIDE_MODE:
 			_set_space_override_mode(linear_damping_override_mode, (PhysicsServer2D::AreaSpaceOverrideMode)(int)p_value);
@@ -176,8 +176,8 @@ Variant GodotArea2D::get_param(PhysicsServer2D::AreaParameter p_param) const {
 			return gravity_vector;
 		case PhysicsServer2D::AREA_PARAM_GRAVITY_IS_POINT:
 			return gravity_is_point;
-		case PhysicsServer2D::AREA_PARAM_GRAVITY_DISTANCE_SCALE:
-			return gravity_distance_scale;
+		case PhysicsServer2D::AREA_PARAM_GRAVITY_POINT_UNIT_DISTANCE:
+			return gravity_point_unit_distance;
 		case PhysicsServer2D::AREA_PARAM_LINEAR_DAMP_OVERRIDE_MODE:
 			return linear_damping_override_mode;
 		case PhysicsServer2D::AREA_PARAM_LINEAR_DAMP:
@@ -299,13 +299,13 @@ void GodotArea2D::call_queries() {
 
 void GodotArea2D::compute_gravity(const Vector2 &p_position, Vector2 &r_gravity) const {
 	if (is_gravity_point()) {
-		const real_t gr_distance_scale = get_gravity_distance_scale();
+		const real_t gr_unit_dist = get_gravity_point_unit_distance();
 		Vector2 v = get_transform().xform(get_gravity_vector()) - p_position;
-		if (gr_distance_scale > 0) {
-			const real_t v_length = v.length();
-			if (v_length > 0) {
-				const real_t v_scaled = v_length * gr_distance_scale;
-				r_gravity = (v.normalized() * (get_gravity() / (v_scaled * v_scaled)));
+		if (gr_unit_dist > 0) {
+			const real_t v_length_sq = v.length_squared();
+			if (v_length_sq > 0) {
+				const real_t gravity_strength = get_gravity() * gr_unit_dist * gr_unit_dist / v_length_sq;
+				r_gravity = v.normalized() * gravity_strength;
 			} else {
 				r_gravity = Vector2();
 			}
diff --git a/servers/physics_2d/godot_area_2d.h b/servers/physics_2d/godot_area_2d.h
index 8860ba0a8f..234e4eb9a9 100644
--- a/servers/physics_2d/godot_area_2d.h
+++ b/servers/physics_2d/godot_area_2d.h
@@ -48,7 +48,7 @@ class GodotArea2D : public GodotCollisionObject2D {
 	real_t gravity = 9.80665;
 	Vector2 gravity_vector = Vector2(0, -1);
 	bool gravity_is_point = false;
-	real_t gravity_distance_scale = 0.0;
+	real_t gravity_point_unit_distance = 0.0;
 	real_t linear_damp = 0.1;
 	real_t angular_damp = 1.0;
 	int priority = 0;
@@ -124,8 +124,8 @@ public:
 	_FORCE_INLINE_ void set_gravity_as_point(bool p_enable) { gravity_is_point = p_enable; }
 	_FORCE_INLINE_ bool is_gravity_point() const { return gravity_is_point; }
 
-	_FORCE_INLINE_ void set_gravity_distance_scale(real_t scale) { gravity_distance_scale = scale; }
-	_FORCE_INLINE_ real_t get_gravity_distance_scale() const { return gravity_distance_scale; }
+	_FORCE_INLINE_ void set_gravity_point_unit_distance(real_t scale) { gravity_point_unit_distance = scale; }
+	_FORCE_INLINE_ real_t get_gravity_point_unit_distance() const { return gravity_point_unit_distance; }
 
 	_FORCE_INLINE_ void set_linear_damp(real_t p_linear_damp) { linear_damp = p_linear_damp; }
 	_FORCE_INLINE_ real_t get_linear_damp() const { return linear_damp; }
diff --git a/servers/physics_3d/godot_area_3d.cpp b/servers/physics_3d/godot_area_3d.cpp
index 1772fb1950..5bf16aa688 100644
--- a/servers/physics_3d/godot_area_3d.cpp
+++ b/servers/physics_3d/godot_area_3d.cpp
@@ -152,8 +152,8 @@ void GodotArea3D::set_param(PhysicsServer3D::AreaParameter p_param, const Varian
 		case PhysicsServer3D::AREA_PARAM_GRAVITY_IS_POINT:
 			gravity_is_point = p_value;
 			break;
-		case PhysicsServer3D::AREA_PARAM_GRAVITY_DISTANCE_SCALE:
-			gravity_distance_scale = p_value;
+		case PhysicsServer3D::AREA_PARAM_GRAVITY_POINT_UNIT_DISTANCE:
+			gravity_point_unit_distance = p_value;
 			break;
 		case PhysicsServer3D::AREA_PARAM_LINEAR_DAMP_OVERRIDE_MODE:
 			_set_space_override_mode(linear_damping_override_mode, (PhysicsServer3D::AreaSpaceOverrideMode)(int)p_value);
@@ -197,8 +197,8 @@ Variant GodotArea3D::get_param(PhysicsServer3D::AreaParameter p_param) const {
 			return gravity_vector;
 		case PhysicsServer3D::AREA_PARAM_GRAVITY_IS_POINT:
 			return gravity_is_point;
-		case PhysicsServer3D::AREA_PARAM_GRAVITY_DISTANCE_SCALE:
-			return gravity_distance_scale;
+		case PhysicsServer3D::AREA_PARAM_GRAVITY_POINT_UNIT_DISTANCE:
+			return gravity_point_unit_distance;
 		case PhysicsServer3D::AREA_PARAM_LINEAR_DAMP_OVERRIDE_MODE:
 			return linear_damping_override_mode;
 		case PhysicsServer3D::AREA_PARAM_LINEAR_DAMP:
@@ -328,13 +328,13 @@ void GodotArea3D::call_queries() {
 
 void GodotArea3D::compute_gravity(const Vector3 &p_position, Vector3 &r_gravity) const {
 	if (is_gravity_point()) {
-		const real_t gr_distance_scale = get_gravity_distance_scale();
+		const real_t gr_unit_dist = get_gravity_point_unit_distance();
 		Vector3 v = get_transform().xform(get_gravity_vector()) - p_position;
-		if (gr_distance_scale > 0) {
-			const real_t v_length = v.length();
-			if (v_length > 0) {
-				const real_t v_scaled = v_length * gr_distance_scale;
-				r_gravity = (v.normalized() * (get_gravity() / (v_scaled * v_scaled)));
+		if (gr_unit_dist > 0) {
+			const real_t v_length_sq = v.length_squared();
+			if (v_length_sq > 0) {
+				const real_t gravity_strength = get_gravity() * gr_unit_dist * gr_unit_dist / v_length_sq;
+				r_gravity = v.normalized() * gravity_strength;
 			} else {
 				r_gravity = Vector3();
 			}
diff --git a/servers/physics_3d/godot_area_3d.h b/servers/physics_3d/godot_area_3d.h
index bf2cd02c2d..f05d0f9019 100644
--- a/servers/physics_3d/godot_area_3d.h
+++ b/servers/physics_3d/godot_area_3d.h
@@ -49,7 +49,7 @@ class GodotArea3D : public GodotCollisionObject3D {
 	real_t gravity = 9.80665;
 	Vector3 gravity_vector = Vector3(0, -1, 0);
 	bool gravity_is_point = false;
-	real_t gravity_distance_scale = 0.0;
+	real_t gravity_point_unit_distance = 0.0;
 	real_t linear_damp = 0.1;
 	real_t angular_damp = 0.1;
 	real_t wind_force_magnitude = 0.0;
@@ -133,8 +133,8 @@ public:
 	_FORCE_INLINE_ void set_gravity_as_point(bool p_enable) { gravity_is_point = p_enable; }
 	_FORCE_INLINE_ bool is_gravity_point() const { return gravity_is_point; }
 
-	_FORCE_INLINE_ void set_gravity_distance_scale(real_t scale) { gravity_distance_scale = scale; }
-	_FORCE_INLINE_ real_t get_gravity_distance_scale() const { return gravity_distance_scale; }
+	_FORCE_INLINE_ void set_gravity_point_unit_distance(real_t scale) { gravity_point_unit_distance = scale; }
+	_FORCE_INLINE_ real_t get_gravity_point_unit_distance() const { return gravity_point_unit_distance; }
 
 	_FORCE_INLINE_ void set_linear_damp(real_t p_linear_damp) { linear_damp = p_linear_damp; }
 	_FORCE_INLINE_ real_t get_linear_damp() const { return linear_damp; }
diff --git a/servers/physics_server_2d.cpp b/servers/physics_server_2d.cpp
index 1837a567a9..15c2749484 100644
--- a/servers/physics_server_2d.cpp
+++ b/servers/physics_server_2d.cpp
@@ -811,7 +811,7 @@ void PhysicsServer2D::_bind_methods() {
 	BIND_ENUM_CONSTANT(AREA_PARAM_GRAVITY);
 	BIND_ENUM_CONSTANT(AREA_PARAM_GRAVITY_VECTOR);
 	BIND_ENUM_CONSTANT(AREA_PARAM_GRAVITY_IS_POINT);
-	BIND_ENUM_CONSTANT(AREA_PARAM_GRAVITY_DISTANCE_SCALE);
+	BIND_ENUM_CONSTANT(AREA_PARAM_GRAVITY_POINT_UNIT_DISTANCE);
 	BIND_ENUM_CONSTANT(AREA_PARAM_LINEAR_DAMP_OVERRIDE_MODE);
 	BIND_ENUM_CONSTANT(AREA_PARAM_LINEAR_DAMP);
 	BIND_ENUM_CONSTANT(AREA_PARAM_ANGULAR_DAMP_OVERRIDE_MODE);
diff --git a/servers/physics_server_2d.h b/servers/physics_server_2d.h
index 5e80ca88c7..3e254e610e 100644
--- a/servers/physics_server_2d.h
+++ b/servers/physics_server_2d.h
@@ -286,7 +286,7 @@ public:
 		AREA_PARAM_GRAVITY,
 		AREA_PARAM_GRAVITY_VECTOR,
 		AREA_PARAM_GRAVITY_IS_POINT,
-		AREA_PARAM_GRAVITY_DISTANCE_SCALE,
+		AREA_PARAM_GRAVITY_POINT_UNIT_DISTANCE,
 		AREA_PARAM_LINEAR_DAMP_OVERRIDE_MODE,
 		AREA_PARAM_LINEAR_DAMP,
 		AREA_PARAM_ANGULAR_DAMP_OVERRIDE_MODE,
diff --git a/servers/physics_server_3d.cpp b/servers/physics_server_3d.cpp
index 7e87a7772e..864774374b 100644
--- a/servers/physics_server_3d.cpp
+++ b/servers/physics_server_3d.cpp
@@ -976,7 +976,7 @@ void PhysicsServer3D::_bind_methods() {
 	BIND_ENUM_CONSTANT(AREA_PARAM_GRAVITY);
 	BIND_ENUM_CONSTANT(AREA_PARAM_GRAVITY_VECTOR);
 	BIND_ENUM_CONSTANT(AREA_PARAM_GRAVITY_IS_POINT);
-	BIND_ENUM_CONSTANT(AREA_PARAM_GRAVITY_DISTANCE_SCALE);
+	BIND_ENUM_CONSTANT(AREA_PARAM_GRAVITY_POINT_UNIT_DISTANCE);
 	BIND_ENUM_CONSTANT(AREA_PARAM_LINEAR_DAMP_OVERRIDE_MODE);
 	BIND_ENUM_CONSTANT(AREA_PARAM_LINEAR_DAMP);
 	BIND_ENUM_CONSTANT(AREA_PARAM_ANGULAR_DAMP_OVERRIDE_MODE);
diff --git a/servers/physics_server_3d.h b/servers/physics_server_3d.h
index 0ed3716a7c..abf22e68a4 100644
--- a/servers/physics_server_3d.h
+++ b/servers/physics_server_3d.h
@@ -316,7 +316,7 @@ public:
 		AREA_PARAM_GRAVITY,
 		AREA_PARAM_GRAVITY_VECTOR,
 		AREA_PARAM_GRAVITY_IS_POINT,
-		AREA_PARAM_GRAVITY_DISTANCE_SCALE,
+		AREA_PARAM_GRAVITY_POINT_UNIT_DISTANCE,
 		AREA_PARAM_LINEAR_DAMP_OVERRIDE_MODE,
 		AREA_PARAM_LINEAR_DAMP,
 		AREA_PARAM_ANGULAR_DAMP_OVERRIDE_MODE,