6 files changed, 44 insertions, 23 deletions

diff --git a/core/math/math_2d.cpp b/core/math/math_2d.cpp
index cf01e972a4..0e2060008c 100644
--- a/core/math/math_2d.cpp
+++ b/core/math/math_2d.cpp
@@ -658,5 +658,5 @@ Matrix32 Matrix32::interpolate_with(const Matrix32& p_transform, float p_c) cons
 
 Matrix32::operator String() const {
 
-	return "("+String(String()+elements[0]+", "+elements[1]+", "+elements[2])+")";
+	return String(String()+elements[0]+", "+elements[1]+", "+elements[2]);
 }
diff --git a/core/math/math_2d.h b/core/math/math_2d.h
index 5f511c933e..fbf700fb9c 100644
--- a/core/math/math_2d.h
+++ b/core/math/math_2d.h
@@ -157,7 +157,7 @@ struct Vector2 {
 	float get_aspect() const { return width/height; }
 
 
-	operator String() const { return "("+String::num(x)+", "+String::num(y)+")"; }
+	operator String() const { return String::num(x)+", "+String::num(y); }
 
 	_FORCE_INLINE_ Vector2(float p_x,float p_y) { x=p_x; y=p_y; }
 	_FORCE_INLINE_ Vector2() { x=0; y=0; }
@@ -356,7 +356,7 @@ struct Rect2 {
 	}
 
 
-	operator String() const { return "("+String(pos)+", "+String(size)+")"; }
+	operator String() const { return String(pos)+", "+String(size); }
 
 	Rect2() {}
 	Rect2( float p_x, float p_y, float p_width, float p_height) { pos=Point2(p_x,p_y); size=Size2( p_width, p_height ); }
@@ -409,7 +409,7 @@ struct Point2i {
 
 	float get_aspect() const { return width/(float)height; }
 
-	operator String() const { return "("+String::num(x)+", "+String::num(y)+")"; }
+	operator String() const { return String::num(x)+", "+String::num(y); }
 
 	operator Vector2() const { return Vector2(x,y); }
 	inline Point2i(const Vector2& p_vec2) { x=(int)p_vec2.x; y=(int)p_vec2.y; }
@@ -540,7 +540,7 @@ struct Rect2i {
 	}
 
 
-	operator String() const { return "("+String(pos)+", "+String(size)+")"; }
+	operator String() const { return String(pos)+", "+String(size); }
 
 	operator Rect2() const { return Rect2(pos,size); }
 	Rect2i(const Rect2& p_r2) { pos=p_r2.pos; size=p_r2.size; }
diff --git a/core/math/matrix3.cpp b/core/math/matrix3.cpp
index 7b811c245c..71e6b62212 100644
--- a/core/math/matrix3.cpp
+++ b/core/math/matrix3.cpp
@@ -233,26 +233,19 @@ bool Matrix3::operator!=(const Matrix3& p_matrix) const {
 
 Matrix3::operator String() const {
 
-	String mtx("(");
+	String mtx;
 	for (int i=0;i<3;i++) {
 
-		if (i!=0)
-			mtx+=", ";
-
-		mtx+="(";
-
 		for (int j=0;j<3;j++) {
 
-			if (j!=0)
+			if (i!=0 || j!=0)
 				mtx+=", ";
 
 			mtx+=rtos( elements[i][j] );
 		}
-
-		mtx+=")";
 	}
 
-	return mtx+")";
+	return mtx;
 }
 
 Matrix3::operator Quat() const {
diff --git a/core/math/quat.cpp b/core/math/quat.cpp
index 5457638ada..73124e5e8e 100644
--- a/core/math/quat.cpp
+++ b/core/math/quat.cpp
@@ -252,7 +252,7 @@ Quat Quat::cubic_slerp(const Quat& q, const Quat& prep, const Quat& postq,const
 
 Quat::operator String() const {
 
-	return "("+String::num(x)+", "+String::num(y)+", "+ String::num(z)+", "+ String::num(w)+")";
+	return String::num(x)+", "+String::num(y)+", "+ String::num(z)+", "+ String::num(w);
 }
 
 Quat::Quat(const Vector3& axis, const real_t& angle) {
diff --git a/core/math/vector3.cpp b/core/math/vector3.cpp
index 8a0a6e963d..8afd73f482 100644
--- a/core/math/vector3.cpp
+++ b/core/math/vector3.cpp
@@ -182,5 +182,5 @@ Vector3 Vector3::cubic_interpolate(const Vector3& p_b,const Vector3& p_pre_a, co
 # endif
 Vector3::operator String() const {
 
-	return "("+(rtos(x)+", "+rtos(y)+", "+rtos(z))+")";
+	return (rtos(x)+", "+rtos(y)+", "+rtos(z));
 }
diff --git a/core/variant.cpp b/core/variant.cpp
index 31321dc0f3..a78c07d819 100644
--- a/core/variant.cpp
+++ b/core/variant.cpp
@@ -1515,15 +1515,43 @@ Variant::operator String() const {
 		case INT: return String::num(_data._int);
 		case REAL: return String::num(_data._real);
 		case STRING: return *reinterpret_cast<const String*>(_data._mem);
-		case VECTOR2: return operator Vector2();
-		case RECT2: return operator Rect2();
-		case MATRIX32: return operator Matrix32();
-		case VECTOR3: return operator Vector3();
+		case VECTOR2: return "("+operator Vector2()+")";
+		case RECT2: return "("+operator Rect2()+")";
+		case MATRIX32: {
+
+			Matrix32 mat32 = operator Matrix32();
+			return "("+Variant(mat32.elements[0]).operator String()+", "+Variant(mat32.elements[1]).operator String()+", "+Variant(mat32.elements[2]).operator String()+")";
+		} break;
+		case VECTOR3: return "("+operator Vector3()+")";
 		case PLANE: return operator Plane();
 		//case QUAT:
 		case _AABB: return operator AABB();
-		case QUAT: return operator Quat();
-		case MATRIX3: return operator Matrix3();
+		case QUAT: return "("+operator Quat()+")";
+		case MATRIX3: {
+
+			Matrix3 mat3 = operator Matrix3();
+
+			String mtx("(");
+			for (int i=0;i<3;i++) {
+
+				if (i!=0)
+					mtx+=", ";
+
+				mtx+="(";
+
+				for (int j=0;j<3;j++) {
+
+					if (j!=0)
+						mtx+=", ";
+
+					mtx+=Variant( mat3.elements[i][j] ).operator String();
+				}
+
+				mtx+=")";
+			}
+
+			return mtx+")";
+		} break;
 		case TRANSFORM: return operator Transform();
 		case NODE_PATH: return operator NodePath();
 		case INPUT_EVENT: return operator InputEvent();