From 8e1cc29c66cc4dd28721a0367ef2f55464e9f026 Mon Sep 17 00:00:00 2001
From: Marc Gilleron <marc.gilleron@gmail.com>
Date: Tue, 8 Dec 2020 23:00:34 +0000
Subject: Added missing constants to Vector2, Vector3, Basis and Quat

---
 include/core/Basis.hpp       |  5 +++++
 include/core/Quat.hpp        |  2 ++
 include/core/Transform.hpp   |  5 +++++
 include/core/Transform2D.hpp |  4 ++++
 include/core/Vector2.hpp     | 15 +++++++++++++++
 include/core/Vector3.hpp     | 13 +++++++++++++
 6 files changed, 44 insertions(+)

(limited to 'include')

diff --git a/include/core/Basis.hpp b/include/core/Basis.hpp
index 76a345b..0fd697e 100644
--- a/include/core/Basis.hpp
+++ b/include/core/Basis.hpp
@@ -13,6 +13,11 @@ class Quat;
 
 class Basis {
 private:
+	static const Basis IDENTITY;
+	static const Basis FLIP_X;
+	static const Basis FLIP_Y;
+	static const Basis FLIP_Z;
+
 	// This helper template is for mimicking the behavior difference between the engine
 	// and script interfaces that logically script sees matrices as column major, while
 	// the engine stores them in row major to efficiently take advantage of SIMD
diff --git a/include/core/Quat.hpp b/include/core/Quat.hpp
index f047178..4add6be 100644
--- a/include/core/Quat.hpp
+++ b/include/core/Quat.hpp
@@ -11,6 +11,8 @@ namespace godot {
 
 class Quat {
 public:
+	static const Quat IDENTITY;
+
 	real_t x, y, z, w;
 
 	real_t length_squared() const;
diff --git a/include/core/Transform.hpp b/include/core/Transform.hpp
index 9da6366..836792c 100644
--- a/include/core/Transform.hpp
+++ b/include/core/Transform.hpp
@@ -10,6 +10,11 @@ namespace godot {
 
 class Transform {
 public:
+	static const Transform IDENTITY;
+	static const Transform FLIP_X;
+	static const Transform FLIP_Y;
+	static const Transform FLIP_Z;
+
 	Basis basis;
 	Vector3 origin;
 
diff --git a/include/core/Transform2D.hpp b/include/core/Transform2D.hpp
index ae01b7f..6a5010f 100644
--- a/include/core/Transform2D.hpp
+++ b/include/core/Transform2D.hpp
@@ -10,6 +10,10 @@ typedef Vector2 Size2;
 struct Rect2;
 
 struct Transform2D {
+	static const Transform2D IDENTITY;
+	static const Transform2D FLIP_X;
+	static const Transform2D FLIP_Y;
+
 	// Warning #1: basis of Transform2D is stored differently from Basis. In terms of elements array, the basis matrix looks like "on paper":
 	// M = (elements[0][0] elements[1][0])
 	//     (elements[0][1] elements[1][1])
diff --git a/include/core/Vector2.hpp b/include/core/Vector2.hpp
index 031d47f..3c2a403 100644
--- a/include/core/Vector2.hpp
+++ b/include/core/Vector2.hpp
@@ -12,6 +12,21 @@ namespace godot {
 class String;
 
 struct Vector2 {
+	enum Axis {
+		AXIS_X = 0,
+		AXIS_Y,
+		AXIS_COUNT
+	};
+
+	static const Vector2 ZERO;
+	static const Vector2 ONE;
+	static const Vector2 INF;
+
+	// Coordinate system of the 2D engine
+	static const Vector2 LEFT;
+	static const Vector2 RIGHT;
+	static const Vector2 UP;
+	static const Vector2 DOWN;
 
 	union {
 		real_t x;
diff --git a/include/core/Vector3.hpp b/include/core/Vector3.hpp
index 5971787..cbd4f75 100644
--- a/include/core/Vector3.hpp
+++ b/include/core/Vector3.hpp
@@ -19,8 +19,21 @@ struct Vector3 {
 		AXIS_X,
 		AXIS_Y,
 		AXIS_Z,
+		AXIS_COUNT
 	};
 
+	static const Vector3 ZERO;
+	static const Vector3 ONE;
+	static const Vector3 INF;
+
+	// Coordinate system of the 3D engine
+	static const Vector3 LEFT;
+	static const Vector3 RIGHT;
+	static const Vector3 UP;
+	static const Vector3 DOWN;
+	static const Vector3 FORWARD;
+	static const Vector3 BACK;
+
 	union {
 		struct {
 			real_t x;
-- 
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