From d7982cfac3496de12cb41f789973f2d996628236 Mon Sep 17 00:00:00 2001
From: Bastiaan Olij <mux213@gmail.com>
Date: Thu, 22 Nov 2018 22:14:28 +1100
Subject: [PATCH] Redid PR 190 for master now that nativescript 1.1 has been
 merged

---
 include/core/Vector3.hpp |  8 ++++++++
 src/core/Vector3.cpp     | 22 +++++++++++++++++++++-
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/include/core/Vector3.hpp b/include/core/Vector3.hpp
index fa7dcf4..bdfff2b 100644
--- a/include/core/Vector3.hpp
+++ b/include/core/Vector3.hpp
@@ -7,6 +7,7 @@
 
 namespace godot {
 
+class Basis;
 
 struct Vector3 {
 
@@ -79,6 +80,8 @@ struct Vector3 {
 
 	Vector3 cubic_interpolate(const Vector3& b, const Vector3& pre_a, const Vector3& post_b, const real_t t) const;
 
+	Vector3 bounce(const Vector3& p_normal) const;
+
 	real_t length() const;
 
 	real_t length_squared() const;
@@ -89,10 +92,15 @@ struct Vector3 {
 
 	real_t dot(const Vector3& b) const;
 
+	real_t angle_to(const Vector3& b) const;
+
 	Vector3 floor() const;
 
 	Vector3 inverse() const;
 
+	bool is_normalized() const;
+
+	Basis outer(const Vector3& b) const;
 
 
 
diff --git a/src/core/Vector3.cpp b/src/core/Vector3.cpp
index 2f2e45e..4098825 100644
--- a/src/core/Vector3.cpp
+++ b/src/core/Vector3.cpp
@@ -10,7 +10,6 @@
 
 namespace godot {
 
-
 Vector3::Vector3(real_t x, real_t y, real_t z)
 {
 	this->x = x;
@@ -209,6 +208,11 @@ Vector3 Vector3::cubic_interpolate(const Vector3& b, const Vector3& pre_a, const
 	return out;
 }
 
+Vector3 Vector3::bounce(const Vector3& p_normal) const
+{
+	return -reflect(p_normal);
+}
+
 real_t Vector3::length() const
 {
 	real_t x2=x*x;
@@ -242,6 +246,11 @@ real_t Vector3::dot(const Vector3& b) const
 	return x*b.x + y*b.y + z*b.z;
 }
 
+real_t Vector3::angle_to(const Vector3& b) const
+{
+	return std::atan2(cross(b).length(), dot(b));
+}
+
 Vector3 Vector3::floor() const
 {
 	return Vector3(::floor(x), ::floor(y), ::floor(z));
@@ -252,7 +261,18 @@ Vector3 Vector3::inverse() const
 	return Vector3( 1.0/x, 1.0/y, 1.0/z );
 }
 
+bool Vector3::is_normalized() const
+{
+	return std::abs(length_squared() - 1.0) < 0.00001;
+}
 
+Basis Vector3::outer(const Vector3& b) const
+{
+	Vector3 row0(x * b.x, x * b.y, x * b.z);
+	Vector3 row1(y * b.x, y * b.y, y * b.z);
+	Vector3 row2(z * b.x, z * b.y, z * b.z);
+	return Basis(row0, row1, row2);
+}
 
 
 int Vector3::max_axis() const