3 files changed, 25 insertions, 23 deletions

diff --git a/core/math/a_star.h b/core/math/a_star.h
index a6fa771b30..7cfa73f2c2 100644
--- a/core/math/a_star.h
+++ b/core/math/a_star.h
@@ -47,20 +47,20 @@ class AStar : public Reference {
 	struct Point {
 		Point() {}
 
-		int id;
+		int id = 0;
 		Vector3 pos;
-		real_t weight_scale;
-		bool enabled;
+		real_t weight_scale = 0;
+		bool enabled = false;
 
 		OAHashMap<int, Point *> neighbours = 4u;
 		OAHashMap<int, Point *> unlinked_neighbours = 4u;
 
 		// Used for pathfinding.
-		Point *prev_point;
-		real_t g_score;
-		real_t f_score;
-		uint64_t open_pass;
-		uint64_t closed_pass;
+		Point *prev_point = nullptr;
+		real_t g_score = 0;
+		real_t f_score = 0;
+		uint64_t open_pass = 0;
+		uint64_t closed_pass = 0;
 	};
 
 	struct SortPoints {
diff --git a/core/math/expression.h b/core/math/expression.h
index d9cedb8c2c..6b34bc6ae8 100644
--- a/core/math/expression.h
+++ b/core/math/expression.h
@@ -133,7 +133,7 @@ private:
 
 		ENode *next = nullptr;
 
-		Type type;
+		Type type = TYPE_INPUT;
 
 		ENode() {}
 		virtual ~ENode() {
@@ -144,7 +144,7 @@ private:
 	};
 
 	struct ExpressionNode {
-		bool is_op;
+		bool is_op = false;
 		union {
 			Variant::Operator op;
 			ENode *node;
@@ -154,23 +154,23 @@ private:
 	ENode *_parse_expression();
 
 	struct InputNode : public ENode {
-		int index;
+		int index = 0;
 		InputNode() {
 			type = TYPE_INPUT;
 		}
 	};
 
 	struct ConstantNode : public ENode {
-		Variant value;
+		Variant value = Variant::NIL;
 		ConstantNode() {
 			type = TYPE_CONSTANT;
 		}
 	};
 
 	struct OperatorNode : public ENode {
-		Variant::Operator op;
+		Variant::Operator op = Variant::Operator::OP_ADD;
 
-		ENode *nodes[2];
+		ENode *nodes[2] = { nullptr, nullptr };
 
 		OperatorNode() {
 			type = TYPE_OPERATOR;
@@ -184,8 +184,8 @@ private:
 	};
 
 	struct IndexNode : public ENode {
-		ENode *base;
-		ENode *index;
+		ENode *base = nullptr;
+		ENode *index = nullptr;
 
 		IndexNode() {
 			type = TYPE_INDEX;
@@ -193,7 +193,7 @@ private:
 	};
 
 	struct NamedIndexNode : public ENode {
-		ENode *base;
+		ENode *base = nullptr;
 		StringName name;
 
 		NamedIndexNode() {
@@ -202,7 +202,7 @@ private:
 	};
 
 	struct ConstructorNode : public ENode {
-		Variant::Type data_type;
+		Variant::Type data_type = Variant::Type::NIL;
 		Vector<ENode *> arguments;
 
 		ConstructorNode() {
@@ -211,7 +211,7 @@ private:
 	};
 
 	struct CallNode : public ENode {
-		ENode *base;
+		ENode *base = nullptr;
 		StringName method;
 		Vector<ENode *> arguments;
 
diff --git a/core/math/quick_hull.h b/core/math/quick_hull.h
index 80f32e191b..024325c4fc 100644
--- a/core/math/quick_hull.h
+++ b/core/math/quick_hull.h
@@ -41,7 +41,7 @@ public:
 	struct Edge {
 		union {
 			uint32_t vertices[2];
-			uint64_t id;
+			uint64_t id = 0;
 		};
 
 		bool operator<(const Edge &p_edge) const {
@@ -60,7 +60,7 @@ public:
 
 	struct Face {
 		Plane plane;
-		uint32_t vertices[3];
+		uint32_t vertices[3] = { 0 };
 		Vector<int> points_over;
 
 		bool operator<(const Face &p_face) const {
@@ -70,11 +70,13 @@ public:
 
 private:
 	struct FaceConnect {
-		List<Face>::Element *left, *right = nullptr;
+		List<Face>::Element *left = nullptr;
+		List<Face>::Element *right = nullptr;
 		FaceConnect() {}
 	};
 	struct RetFaceConnect {
-		List<Geometry3D::MeshData::Face>::Element *left, *right = nullptr;
+		List<Geometry3D::MeshData::Face>::Element *left = nullptr;
+		List<Geometry3D::MeshData::Face>::Element *right = nullptr;
 		RetFaceConnect() {}
 	};