19 files changed, 120 insertions, 224 deletions

diff --git a/modules/bullet/area_bullet.cpp b/modules/bullet/area_bullet.cpp
index 4d727529ef..a4a86ab751 100644
--- a/modules/bullet/area_bullet.cpp
+++ b/modules/bullet/area_bullet.cpp
@@ -44,18 +44,7 @@
 */
 
 AreaBullet::AreaBullet() :
-		RigidCollisionObjectBullet(CollisionObjectBullet::TYPE_AREA),
-		monitorable(true),
-		spOv_mode(PhysicsServer3D::AREA_SPACE_OVERRIDE_DISABLED),
-		spOv_gravityPoint(false),
-		spOv_gravityPointDistanceScale(0),
-		spOv_gravityPointAttenuation(1),
-		spOv_gravityVec(0, -1, 0),
-		spOv_gravityMag(10),
-		spOv_linearDump(0.1),
-		spOv_angularDump(1),
-		spOv_priority(0),
-		isScratched(false) {
+		RigidCollisionObjectBullet(CollisionObjectBullet::TYPE_AREA) {
 
 	btGhost = bulletnew(btGhostObject);
 	reload_shapes();
diff --git a/modules/bullet/area_bullet.h b/modules/bullet/area_bullet.h
index 0272350510..cde889c1ba 100644
--- a/modules/bullet/area_bullet.h
+++ b/modules/bullet/area_bullet.h
@@ -61,12 +61,10 @@ public:
 	};
 
 	struct OverlappingObjectData {
-		CollisionObjectBullet *object;
-		OverlapState state;
+		CollisionObjectBullet *object = nullptr;
+		OverlapState state = OVERLAP_STATE_ENTER;
 
-		OverlappingObjectData() :
-				object(nullptr),
-				state(OVERLAP_STATE_ENTER) {}
+		OverlappingObjectData() {}
 		OverlappingObjectData(CollisionObjectBullet *p_object, OverlapState p_state) :
 				object(p_object),
 				state(p_state) {}
@@ -86,19 +84,19 @@ private:
 
 	btGhostObject *btGhost;
 	Vector<OverlappingObjectData> overlappingObjects;
-	bool monitorable;
-
-	PhysicsServer3D::AreaSpaceOverrideMode spOv_mode;
-	bool spOv_gravityPoint;
-	real_t spOv_gravityPointDistanceScale;
-	real_t spOv_gravityPointAttenuation;
-	Vector3 spOv_gravityVec;
-	real_t spOv_gravityMag;
-	real_t spOv_linearDump;
-	real_t spOv_angularDump;
-	int spOv_priority;
-
-	bool isScratched;
+	bool monitorable = true;
+
+	PhysicsServer3D::AreaSpaceOverrideMode spOv_mode = PhysicsServer3D::AREA_SPACE_OVERRIDE_DISABLED;
+	bool spOv_gravityPoint = false;
+	real_t spOv_gravityPointDistanceScale = 0;
+	real_t spOv_gravityPointAttenuation = 1;
+	Vector3 spOv_gravityVec = Vector3(0, -1, 0);
+	real_t spOv_gravityMag = 10;
+	real_t spOv_linearDump = 0.1;
+	real_t spOv_angularDump = 1;
+	int spOv_priority = 0;
+
+	bool isScratched = false;
 
 	InOutEventCallback eventsCallbacks[2];
 
diff --git a/modules/bullet/bullet_physics_server.cpp b/modules/bullet/bullet_physics_server.cpp
index 2705c749a2..09a5f6f983 100644
--- a/modules/bullet/bullet_physics_server.cpp
+++ b/modules/bullet/bullet_physics_server.cpp
@@ -79,9 +79,7 @@ void BulletPhysicsServer3D::_bind_methods() {
 }
 
 BulletPhysicsServer3D::BulletPhysicsServer3D() :
-		PhysicsServer3D(),
-		active(true),
-		active_spaces_count(0) {}
+		PhysicsServer3D() {}
 
 BulletPhysicsServer3D::~BulletPhysicsServer3D() {}
 
diff --git a/modules/bullet/bullet_physics_server.h b/modules/bullet/bullet_physics_server.h
index ea9c5e589e..558d1ce5f7 100644
--- a/modules/bullet/bullet_physics_server.h
+++ b/modules/bullet/bullet_physics_server.h
@@ -40,6 +40,7 @@
 #include "shape_bullet.h"
 #include "soft_body_bullet.h"
 #include "space_bullet.h"
+
 /**
 	@author AndreaCatania
 */
@@ -49,8 +50,8 @@ class BulletPhysicsServer3D : public PhysicsServer3D {
 
 	friend class BulletPhysicsDirectSpaceState;
 
-	bool active;
-	char active_spaces_count;
+	bool active = true;
+	char active_spaces_count = 0;
 	Vector<SpaceBullet *> active_spaces;
 
 	mutable RID_PtrOwner<SpaceBullet> space_owner;
diff --git a/modules/bullet/collision_object_bullet.cpp b/modules/bullet/collision_object_bullet.cpp
index 1b72c2f577..9ad74ad262 100644
--- a/modules/bullet/collision_object_bullet.cpp
+++ b/modules/bullet/collision_object_bullet.cpp
@@ -89,18 +89,7 @@ void CollisionObjectBullet::ShapeWrapper::claim_bt_shape(const btVector3 &body_s
 
 CollisionObjectBullet::CollisionObjectBullet(Type p_type) :
 		RIDBullet(),
-		type(p_type),
-		instance_id(ObjectID()),
-		collisionLayer(0),
-		collisionMask(0),
-		collisionsEnabled(true),
-		m_isStatic(false),
-		ray_pickable(false),
-		bt_collision_object(nullptr),
-		body_scale(1., 1., 1.),
-		force_shape_reset(false),
-		space(nullptr),
-		isTransformChanged(false) {}
+		type(p_type) {}
 
 CollisionObjectBullet::~CollisionObjectBullet() {
 	// Remove all overlapping, notify is not required since godot take care of it
@@ -225,11 +214,6 @@ void CollisionObjectBullet::notify_transform_changed() {
 	isTransformChanged = true;
 }
 
-RigidCollisionObjectBullet::RigidCollisionObjectBullet(Type p_type) :
-		CollisionObjectBullet(p_type),
-		mainShape(nullptr) {
-}
-
 RigidCollisionObjectBullet::~RigidCollisionObjectBullet() {
 	remove_all_shapes(true, true);
 	if (mainShape && mainShape->isCompound()) {
diff --git a/modules/bullet/collision_object_bullet.h b/modules/bullet/collision_object_bullet.h
index 25176458a7..f1423a69e4 100644
--- a/modules/bullet/collision_object_bullet.h
+++ b/modules/bullet/collision_object_bullet.h
@@ -69,27 +69,22 @@ public:
 	};
 
 	struct ShapeWrapper {
-		ShapeBullet *shape;
-		btCollisionShape *bt_shape;
+		ShapeBullet *shape = nullptr;
+		btCollisionShape *bt_shape = nullptr;
 		btTransform transform;
 		btVector3 scale;
-		bool active;
+		bool active = true;
 
-		ShapeWrapper() :
-				shape(nullptr),
-				bt_shape(nullptr),
-				active(true) {}
+		ShapeWrapper() {}
 
 		ShapeWrapper(ShapeBullet *p_shape, const btTransform &p_transform, bool p_active) :
 				shape(p_shape),
-				bt_shape(nullptr),
 				active(p_active) {
 			set_transform(p_transform);
 		}
 
 		ShapeWrapper(ShapeBullet *p_shape, const Transform &p_transform, bool p_active) :
 				shape(p_shape),
-				bt_shape(nullptr),
 				active(p_active) {
 			set_transform(p_transform);
 		}
@@ -117,15 +112,15 @@ public:
 protected:
 	Type type;
 	ObjectID instance_id;
-	uint32_t collisionLayer;
-	uint32_t collisionMask;
-	bool collisionsEnabled;
-	bool m_isStatic;
-	bool ray_pickable;
-	btCollisionObject *bt_collision_object;
-	Vector3 body_scale;
-	bool force_shape_reset;
-	SpaceBullet *space;
+	uint32_t collisionLayer = 0;
+	uint32_t collisionMask = 0;
+	bool collisionsEnabled = true;
+	bool m_isStatic = false;
+	bool ray_pickable = false;
+	btCollisionObject *bt_collision_object = nullptr;
+	Vector3 body_scale = Vector3(1, 1, 1);
+	bool force_shape_reset = false;
+	SpaceBullet *space = nullptr;
 
 	VSet<RID> exceptions;
 
@@ -133,7 +128,7 @@ protected:
 	/// New area is added when overlap with new area (AreaBullet::addOverlap), then is removed when it exit (CollisionObjectBullet::onExitArea)
 	/// This array is used mainly to know which area hold the pointer of this object
 	Vector<AreaBullet *> areasOverlapped;
-	bool isTransformChanged;
+	bool isTransformChanged = false;
 
 public:
 	CollisionObjectBullet(Type p_type);
@@ -218,11 +213,12 @@ public:
 
 class RigidCollisionObjectBullet : public CollisionObjectBullet, public ShapeOwnerBullet {
 protected:
-	btCollisionShape *mainShape;
+	btCollisionShape *mainShape = nullptr;
 	Vector<ShapeWrapper> shapes;
 
 public:
-	RigidCollisionObjectBullet(Type p_type);
+	RigidCollisionObjectBullet(Type p_type) :
+			CollisionObjectBullet(p_type) {}
 	~RigidCollisionObjectBullet();
 
 	_FORCE_INLINE_ const Vector<ShapeWrapper> &get_shapes_wrappers() const { return shapes; }
diff --git a/modules/bullet/constraint_bullet.cpp b/modules/bullet/constraint_bullet.cpp
index 469b58521e..c47a23e75f 100644
--- a/modules/bullet/constraint_bullet.cpp
+++ b/modules/bullet/constraint_bullet.cpp
@@ -37,10 +37,7 @@
 	@author AndreaCatania
 */
 
-ConstraintBullet::ConstraintBullet() :
-		space(nullptr),
-		constraint(nullptr),
-		disabled_collisions_between_bodies(true) {}
+ConstraintBullet::ConstraintBullet() {}
 
 void ConstraintBullet::setup(btTypedConstraint *p_constraint) {
 	constraint = p_constraint;
diff --git a/modules/bullet/constraint_bullet.h b/modules/bullet/constraint_bullet.h
index 1946807bad..125940439f 100644
--- a/modules/bullet/constraint_bullet.h
+++ b/modules/bullet/constraint_bullet.h
@@ -47,9 +47,9 @@ class btTypedConstraint;
 class ConstraintBullet : public RIDBullet {
 
 protected:
-	SpaceBullet *space;
-	btTypedConstraint *constraint;
-	bool disabled_collisions_between_bodies;
+	SpaceBullet *space = nullptr;
+	btTypedConstraint *constraint = nullptr;
+	bool disabled_collisions_between_bodies = true;
 
 public:
 	ConstraintBullet();
diff --git a/modules/bullet/godot_ray_world_algorithm.cpp b/modules/bullet/godot_ray_world_algorithm.cpp
index 2ef277cf5b..2caa75c2a7 100644
--- a/modules/bullet/godot_ray_world_algorithm.cpp
+++ b/modules/bullet/godot_ray_world_algorithm.cpp
@@ -52,7 +52,6 @@ GodotRayWorldAlgorithm::GodotRayWorldAlgorithm(const btDiscreteDynamicsWorld *wo
 		btActivatingCollisionAlgorithm(ci, body0Wrap, body1Wrap),
 		m_world(world),
 		m_manifoldPtr(mf),
-		m_ownManifold(false),
 		m_isSwapped(isSwapped) {}
 
 GodotRayWorldAlgorithm::~GodotRayWorldAlgorithm() {
diff --git a/modules/bullet/godot_ray_world_algorithm.h b/modules/bullet/godot_ray_world_algorithm.h
index 2cdea6c133..ec7f68dc51 100644
--- a/modules/bullet/godot_ray_world_algorithm.h
+++ b/modules/bullet/godot_ray_world_algorithm.h
@@ -45,7 +45,7 @@ class GodotRayWorldAlgorithm : public btActivatingCollisionAlgorithm {
 
 	const btDiscreteDynamicsWorld *m_world;
 	btPersistentManifold *m_manifoldPtr;
-	bool m_ownManifold;
+	bool m_ownManifold = false;
 	bool m_isSwapped;
 
 public:
diff --git a/modules/bullet/godot_result_callbacks.h b/modules/bullet/godot_result_callbacks.h
index 7e74a2b22e..8636ca8eb6 100644
--- a/modules/bullet/godot_result_callbacks.h
+++ b/modules/bullet/godot_result_callbacks.h
@@ -56,8 +56,8 @@ struct GodotFilterCallback : public btOverlapFilterCallback {
 /// It performs an additional check allow exclusions.
 struct GodotClosestRayResultCallback : public btCollisionWorld::ClosestRayResultCallback {
 	const Set<RID> *m_exclude;
-	bool m_pickRay;
-	int m_shapeId;
+	bool m_pickRay = false;
+	int m_shapeId = 0;
 
 	bool collide_with_bodies;
 	bool collide_with_areas;
@@ -66,8 +66,6 @@ public:
 	GodotClosestRayResultCallback(const btVector3 &rayFromWorld, const btVector3 &rayToWorld, const Set<RID> *p_exclude, bool p_collide_with_bodies, bool p_collide_with_areas) :
 			btCollisionWorld::ClosestRayResultCallback(rayFromWorld, rayToWorld),
 			m_exclude(p_exclude),
-			m_pickRay(false),
-			m_shapeId(0),
 			collide_with_bodies(p_collide_with_bodies),
 			collide_with_areas(p_collide_with_areas) {}
 
@@ -88,13 +86,12 @@ public:
 	PhysicsDirectSpaceState3D::ShapeResult *m_results;
 	int m_resultMax;
 	const Set<RID> *m_exclude;
-	int count;
+	int count = 0;
 
 	GodotAllConvexResultCallback(PhysicsDirectSpaceState3D::ShapeResult *p_results, int p_resultMax, const Set<RID> *p_exclude) :
 			m_results(p_results),
 			m_resultMax(p_resultMax),
-			m_exclude(p_exclude),
-			count(0) {}
+			m_exclude(p_exclude) {}
 
 	virtual bool needsCollision(btBroadphaseProxy *proxy0) const;
 
@@ -117,7 +114,7 @@ public:
 struct GodotClosestConvexResultCallback : public btCollisionWorld::ClosestConvexResultCallback {
 public:
 	const Set<RID> *m_exclude;
-	int m_shapeId;
+	int m_shapeId = 0;
 
 	bool collide_with_bodies;
 	bool collide_with_areas;
@@ -125,7 +122,6 @@ public:
 	GodotClosestConvexResultCallback(const btVector3 &convexFromWorld, const btVector3 &convexToWorld, const Set<RID> *p_exclude, bool p_collide_with_bodies, bool p_collide_with_areas) :
 			btCollisionWorld::ClosestConvexResultCallback(convexFromWorld, convexToWorld),
 			m_exclude(p_exclude),
-			m_shapeId(0),
 			collide_with_bodies(p_collide_with_bodies),
 			collide_with_areas(p_collide_with_areas) {}
 
@@ -140,7 +136,7 @@ public:
 	PhysicsDirectSpaceState3D::ShapeResult *m_results;
 	int m_resultMax;
 	const Set<RID> *m_exclude;
-	int m_count;
+	int m_count = 0;
 
 	bool collide_with_bodies;
 	bool collide_with_areas;
@@ -150,7 +146,6 @@ public:
 			m_results(p_results),
 			m_resultMax(p_resultMax),
 			m_exclude(p_exclude),
-			m_count(0),
 			collide_with_bodies(p_collide_with_bodies),
 			collide_with_areas(p_collide_with_areas) {}
 
@@ -166,7 +161,7 @@ public:
 	Vector3 *m_results;
 	int m_resultMax;
 	const Set<RID> *m_exclude;
-	int m_count;
+	int m_count = 0;
 
 	bool collide_with_bodies;
 	bool collide_with_areas;
@@ -176,7 +171,6 @@ public:
 			m_results(p_results),
 			m_resultMax(p_resultMax),
 			m_exclude(p_exclude),
-			m_count(0),
 			collide_with_bodies(p_collide_with_bodies),
 			collide_with_areas(p_collide_with_areas) {}
 
@@ -190,8 +184,8 @@ public:
 	const btCollisionObject *m_self_object;
 	PhysicsDirectSpaceState3D::ShapeRestInfo *m_result;
 	const Set<RID> *m_exclude;
-	bool m_collided;
-	real_t m_min_distance;
+	bool m_collided = false;
+	real_t m_min_distance = 0;
 	const btCollisionObject *m_rest_info_collision_object;
 	btVector3 m_rest_info_bt_point;
 	bool collide_with_bodies;
@@ -201,8 +195,6 @@ public:
 			m_self_object(p_self_object),
 			m_result(p_result),
 			m_exclude(p_exclude),
-			m_collided(false),
-			m_min_distance(0),
 			collide_with_bodies(p_collide_with_bodies),
 			collide_with_areas(p_collide_with_areas) {}
 
@@ -214,13 +206,11 @@ public:
 struct GodotDeepPenetrationContactResultCallback : public btManifoldResult {
 	btVector3 m_pointNormalWorld;
 	btVector3 m_pointWorld;
-	btScalar m_penetration_distance;
-	int m_other_compound_shape_index;
+	btScalar m_penetration_distance = 0;
+	int m_other_compound_shape_index = 0;
 
 	GodotDeepPenetrationContactResultCallback(const btCollisionObjectWrapper *body0Wrap, const btCollisionObjectWrapper *body1Wrap) :
-			btManifoldResult(body0Wrap, body1Wrap),
-			m_penetration_distance(0),
-			m_other_compound_shape_index(0) {}
+			btManifoldResult(body0Wrap, body1Wrap) {}
 
 	void reset() {
 		m_penetration_distance = 0;
diff --git a/modules/bullet/rigid_body_bullet.cpp b/modules/bullet/rigid_body_bullet.cpp
index e393396713..7a244b8c32 100644
--- a/modules/bullet/rigid_body_bullet.cpp
+++ b/modules/bullet/rigid_body_bullet.cpp
@@ -256,25 +256,7 @@ void RigidBodyBullet::KinematicUtilities::just_delete_shapes(int new_size) {
 }
 
 RigidBodyBullet::RigidBodyBullet() :
-		RigidCollisionObjectBullet(CollisionObjectBullet::TYPE_RIGID_BODY),
-		kinematic_utilities(nullptr),
-		locked_axis(0),
-		mass(1),
-		gravity_scale(1),
-		linearDamp(0),
-		angularDamp(0),
-		can_sleep(true),
-		omit_forces_integration(false),
-		can_integrate_forces(false),
-		maxCollisionsDetection(0),
-		collisionsCount(0),
-		prev_collision_count(0),
-		maxAreasWhereIam(10),
-		areaWhereIamCount(0),
-		countGravityPointSpaces(0),
-		isScratchedSpaceOverrideModificator(false),
-		previousActiveState(true),
-		force_integration_callback(nullptr) {
+		RigidCollisionObjectBullet(CollisionObjectBullet::TYPE_RIGID_BODY) {
 
 	godotMotionState = bulletnew(GodotMotionState(this));
 
diff --git a/modules/bullet/rigid_body_bullet.h b/modules/bullet/rigid_body_bullet.h
index 420b5cc443..f94dea8036 100644
--- a/modules/bullet/rigid_body_bullet.h
+++ b/modules/bullet/rigid_body_bullet.h
@@ -162,11 +162,10 @@ public:
 
 	/// Used to hold shapes
 	struct KinematicShape {
-		class btConvexShape *shape;
+		class btConvexShape *shape = nullptr;
 		btTransform transform;
 
-		KinematicShape() :
-				shape(nullptr) {}
+		KinematicShape() {}
 		bool is_active() const { return shape; }
 	};
 
@@ -190,19 +189,19 @@ private:
 	friend class BulletPhysicsDirectBodyState3D;
 
 	// This is required only for Kinematic movement
-	KinematicUtilities *kinematic_utilities;
+	KinematicUtilities *kinematic_utilities = nullptr;
 
 	PhysicsServer3D::BodyMode mode;
 	GodotMotionState *godotMotionState;
 	btRigidBody *btBody;
-	uint16_t locked_axis;
-	real_t mass;
-	real_t gravity_scale;
-	real_t linearDamp;
-	real_t angularDamp;
-	bool can_sleep;
-	bool omit_forces_integration;
-	bool can_integrate_forces;
+	uint16_t locked_axis = 0;
+	real_t mass = 1;
+	real_t gravity_scale = 1;
+	real_t linearDamp = 0;
+	real_t angularDamp = 0;
+	bool can_sleep = true;
+	bool omit_forces_integration = false;
+	bool can_integrate_forces = false;
 
 	Vector<CollisionData> collisions;
 	Vector<RigidBodyBullet *> collision_traces_1;
@@ -211,21 +210,21 @@ private:
 	Vector<RigidBodyBullet *> *curr_collision_traces;
 
 	// these parameters are used to avoid vector resize
-	int maxCollisionsDetection;
-	int collisionsCount;
-	int prev_collision_count;
+	int maxCollisionsDetection = 0;
+	int collisionsCount = 0;
+	int prev_collision_count = 0;
 
 	Vector<AreaBullet *> areasWhereIam;
 	// these parameters are used to avoid vector resize
-	int maxAreasWhereIam;
-	int areaWhereIamCount;
+	int maxAreasWhereIam = 10;
+	int areaWhereIamCount = 0;
 	// Used to know if the area is used as gravity point
-	int countGravityPointSpaces;
-	bool isScratchedSpaceOverrideModificator;
+	int countGravityPointSpaces = 0;
+	bool isScratchedSpaceOverrideModificator = false;
 
-	bool previousActiveState; // Last check state
+	bool previousActiveState = true; // Last check state
 
-	ForceIntegrationCallback *force_integration_callback;
+	ForceIntegrationCallback *force_integration_callback = nullptr;
 
 public:
 	RigidBodyBullet();
diff --git a/modules/bullet/shape_bullet.cpp b/modules/bullet/shape_bullet.cpp
index 5bcb4743c9..e3b869ad8d 100644
--- a/modules/bullet/shape_bullet.cpp
+++ b/modules/bullet/shape_bullet.cpp
@@ -46,8 +46,7 @@
 	@author AndreaCatania
 */
 
-ShapeBullet::ShapeBullet() :
-		margin(0.04) {}
+ShapeBullet::ShapeBullet() {}
 
 ShapeBullet::~ShapeBullet() {}
 
@@ -362,8 +361,7 @@ btCollisionShape *ConvexPolygonShapeBullet::create_bt_shape(const btVector3 &p_i
 /* Concave polygon */
 
 ConcavePolygonShapeBullet::ConcavePolygonShapeBullet() :
-		ShapeBullet(),
-		meshShape(nullptr) {}
+		ShapeBullet() {}
 
 ConcavePolygonShapeBullet::~ConcavePolygonShapeBullet() {
 	if (meshShape) {
@@ -563,9 +561,7 @@ btCollisionShape *HeightMapShapeBullet::create_bt_shape(const btVector3 &p_impli
 
 /* Ray shape */
 RayShapeBullet::RayShapeBullet() :
-		ShapeBullet(),
-		length(1),
-		slips_on_slope(false) {}
+		ShapeBullet() {}
 
 void RayShapeBullet::set_data(const Variant &p_data) {
 
diff --git a/modules/bullet/shape_bullet.h b/modules/bullet/shape_bullet.h
index 0dbc616fe5..88b62b6dc9 100644
--- a/modules/bullet/shape_bullet.h
+++ b/modules/bullet/shape_bullet.h
@@ -52,7 +52,7 @@ class btBvhTriangleMeshShape;
 class ShapeBullet : public RIDBullet {
 
 	Map<ShapeOwnerBullet *, int> owners;
-	real_t margin;
+	real_t margin = 0.04;
 
 protected:
 	/// return self
@@ -200,7 +200,7 @@ private:
 };
 
 class ConcavePolygonShapeBullet : public ShapeBullet {
-	class btBvhTriangleMeshShape *meshShape;
+	class btBvhTriangleMeshShape *meshShape = nullptr;
 
 public:
 	Vector<Vector3> faces;
@@ -240,8 +240,8 @@ private:
 class RayShapeBullet : public ShapeBullet {
 
 public:
-	real_t length;
-	bool slips_on_slope;
+	real_t length = 1;
+	bool slips_on_slope = false;
 
 	RayShapeBullet();
 
diff --git a/modules/bullet/soft_body_bullet.cpp b/modules/bullet/soft_body_bullet.cpp
index 236bdc7c8a..bbaa23e064 100644
--- a/modules/bullet/soft_body_bullet.cpp
+++ b/modules/bullet/soft_body_bullet.cpp
@@ -36,18 +36,7 @@
 #include "space_bullet.h"
 
 SoftBodyBullet::SoftBodyBullet() :
-		CollisionObjectBullet(CollisionObjectBullet::TYPE_SOFT_BODY),
-		bt_soft_body(nullptr),
-		isScratched(false),
-		simulation_precision(5),
-		total_mass(1.),
-		linear_stiffness(0.5),
-		areaAngular_stiffness(0.5),
-		volume_stiffness(0.5),
-		pressure_coefficient(0.),
-		pose_matching_coefficient(0.),
-		damping_coefficient(0.01),
-		drag_coefficient(0.) {}
+		CollisionObjectBullet(CollisionObjectBullet::TYPE_SOFT_BODY) {}
 
 SoftBodyBullet::~SoftBodyBullet() {
 }
diff --git a/modules/bullet/soft_body_bullet.h b/modules/bullet/soft_body_bullet.h
index 3c6871e0d6..d28af7d61d 100644
--- a/modules/bullet/soft_body_bullet.h
+++ b/modules/bullet/soft_body_bullet.h
@@ -58,22 +58,22 @@
 class SoftBodyBullet : public CollisionObjectBullet {
 
 private:
-	btSoftBody *bt_soft_body;
+	btSoftBody *bt_soft_body = nullptr;
 	Vector<Vector<int>> indices_table;
 	btSoftBody::Material *mat0; // This is just a copy of pointer managed by btSoftBody
-	bool isScratched;
+	bool isScratched = false;
 
 	Ref<Mesh> soft_mesh;
 
-	int simulation_precision;
-	real_t total_mass;
-	real_t linear_stiffness; // [0,1]
-	real_t areaAngular_stiffness; // [0,1]
-	real_t volume_stiffness; // [0,1]
-	real_t pressure_coefficient; // [-inf,+inf]
-	real_t pose_matching_coefficient; // [0,1]
-	real_t damping_coefficient; // [0,1]
-	real_t drag_coefficient; // [0,1]
+	int simulation_precision = 5;
+	real_t total_mass = 1.;
+	real_t linear_stiffness = 0.5; // [0,1]
+	real_t areaAngular_stiffness = 0.5; // [0,1]
+	real_t volume_stiffness = 0.5; // [0,1]
+	real_t pressure_coefficient = 0.; // [-inf,+inf]
+	real_t pose_matching_coefficient = 0.; // [0,1]
+	real_t damping_coefficient = 0.01; // [0,1]
+	real_t drag_coefficient = 0.; // [0,1]
 	Vector<int> pinned_nodes;
 
 	// Other property to add
diff --git a/modules/bullet/space_bullet.cpp b/modules/bullet/space_bullet.cpp
index d49e635fd5..cc6ecbed07 100644
--- a/modules/bullet/space_bullet.cpp
+++ b/modules/bullet/space_bullet.cpp
@@ -331,22 +331,7 @@ Vector3 BulletPhysicsDirectSpaceState::get_closest_point_to_object_volume(RID p_
 	}
 }
 
-SpaceBullet::SpaceBullet() :
-		broadphase(nullptr),
-		collisionConfiguration(nullptr),
-		dispatcher(nullptr),
-		solver(nullptr),
-		dynamicsWorld(nullptr),
-		soft_body_world_info(nullptr),
-		ghostPairCallback(nullptr),
-		godotFilterCallback(nullptr),
-		gravityDirection(0, -1, 0),
-		gravityMagnitude(10),
-		linear_damp(0.0),
-		angular_damp(0.0),
-		contactDebugCount(0),
-		delta_time(0.) {
-
+SpaceBullet::SpaceBullet() {
 	create_empty_world(GLOBAL_DEF("physics/3d/active_soft_world", true));
 	direct_access = memnew(BulletPhysicsDirectSpaceState(this));
 }
diff --git a/modules/bullet/space_bullet.h b/modules/bullet/space_bullet.h
index 0173c5a1c7..6fe4571bba 100644
--- a/modules/bullet/space_bullet.h
+++ b/modules/bullet/space_bullet.h
@@ -92,30 +92,30 @@ class SpaceBullet : public RIDBullet {
 	friend void onBulletTickCallback(btDynamicsWorld *world, btScalar timeStep);
 	friend class BulletPhysicsDirectSpaceState;
 
-	btBroadphaseInterface *broadphase;
-	btDefaultCollisionConfiguration *collisionConfiguration;
-	btCollisionDispatcher *dispatcher;
-	btConstraintSolver *solver;
-	btDiscreteDynamicsWorld *dynamicsWorld;
-	btSoftBodyWorldInfo *soft_body_world_info;
-	btGhostPairCallback *ghostPairCallback;
-	GodotFilterCallback *godotFilterCallback;
+	btBroadphaseInterface *broadphase = nullptr;
+	btDefaultCollisionConfiguration *collisionConfiguration = nullptr;
+	btCollisionDispatcher *dispatcher = nullptr;
+	btConstraintSolver *solver = nullptr;
+	btDiscreteDynamicsWorld *dynamicsWorld = nullptr;
+	btSoftBodyWorldInfo *soft_body_world_info = nullptr;
+	btGhostPairCallback *ghostPairCallback = nullptr;
+	GodotFilterCallback *godotFilterCallback = nullptr;
 
 	btGjkEpaPenetrationDepthSolver *gjk_epa_pen_solver;
 	btVoronoiSimplexSolver *gjk_simplex_solver;
 
 	BulletPhysicsDirectSpaceState *direct_access;
-	Vector3 gravityDirection;
-	real_t gravityMagnitude;
+	Vector3 gravityDirection = Vector3(0, -1, 0);
+	real_t gravityMagnitude = 10;
 
-	real_t linear_damp;
-	real_t angular_damp;
+	real_t linear_damp = 0.0;
+	real_t angular_damp = 0.0;
 
 	Vector<AreaBullet *> areas;
 
 	Vector<Vector3> contactDebug;
-	int contactDebugCount;
-	real_t delta_time;
+	int contactDebugCount = 0;
+	real_t delta_time = 0.;
 
 public:
 	SpaceBullet();
@@ -194,22 +194,15 @@ private:
 	void check_body_collision();
 
 	struct RecoverResult {
-		bool hasPenetration;
-		btVector3 normal;
-		btVector3 pointWorld;
-		btScalar penetration_distance; // Negative mean penetration
-		int other_compound_shape_index;
-		const btCollisionObject *other_collision_object;
-		int local_shape_most_recovered;
-
-		RecoverResult() :
-				hasPenetration(false),
-				normal(0, 0, 0),
-				pointWorld(0, 0, 0),
-				penetration_distance(1e20),
-				other_compound_shape_index(0),
-				other_collision_object(nullptr),
-				local_shape_most_recovered(0) {}
+		bool hasPenetration = false;
+		btVector3 normal = btVector3(0, 0, 0);
+		btVector3 pointWorld = btVector3(0, 0, 0);
+		btScalar penetration_distance = 1e20; // Negative mean penetration
+		int other_compound_shape_index = 0;
+		const btCollisionObject *other_collision_object = nullptr;
+		int local_shape_most_recovered = 0;
+
+		RecoverResult() {}
 	};
 
 	bool recover_from_penetration(RigidBodyBullet *p_body, const btTransform &p_body_position, btScalar p_recover_movement_scale, bool p_infinite_inertia, btVector3 &r_delta_recover_movement, RecoverResult *r_recover_result = nullptr);