From b9540c0c896be65d80272fb893db9d62c7d82a7f Mon Sep 17 00:00:00 2001
From: RedlineTriad <39059512+RedlineTriad@users.noreply.github.com>
Date: Sun, 24 Jan 2021 09:13:01 +0100
Subject: [PATCH 1/2] Add more transform relative vectors (#1298)

---
 .../bevy_transform/src/components/global_transform.rs  | 10 ++++++++++
 crates/bevy_transform/src/components/transform.rs      | 10 ++++++++++
 2 files changed, 20 insertions(+)

diff --git a/crates/bevy_transform/src/components/global_transform.rs b/crates/bevy_transform/src/components/global_transform.rs
index e829cd8be3f35..32591f1c5f694 100644
--- a/crates/bevy_transform/src/components/global_transform.rs
+++ b/crates/bevy_transform/src/components/global_transform.rs
@@ -74,6 +74,16 @@ impl GlobalTransform {
         Mat4::from_scale_rotation_translation(self.scale, self.rotation, self.translation)
     }
 
+    #[inline]
+    pub fn right(&self) -> Vec3 {
+        self.rotation * Vec3::unit_x()
+    }
+
+    #[inline]
+    pub fn up(&self) -> Vec3 {
+        self.rotation * Vec3::unit_y()
+    }
+
     #[inline]
     pub fn forward(&self) -> Vec3 {
         self.rotation * Vec3::unit_z()
diff --git a/crates/bevy_transform/src/components/transform.rs b/crates/bevy_transform/src/components/transform.rs
index 6b370e5c16e2d..aae772b11aa97 100644
--- a/crates/bevy_transform/src/components/transform.rs
+++ b/crates/bevy_transform/src/components/transform.rs
@@ -74,6 +74,16 @@ impl Transform {
         Mat4::from_scale_rotation_translation(self.scale, self.rotation, self.translation)
     }
 
+    #[inline]
+    pub fn right(&self) -> Vec3 {
+        self.rotation * Vec3::unit_x()
+    }
+
+    #[inline]
+    pub fn up(&self) -> Vec3 {
+        self.rotation * Vec3::unit_y()
+    }
+
     #[inline]
     pub fn forward(&self) -> Vec3 {
         self.rotation * Vec3::unit_z()

From 250660cf1b6860d8602bc5e222f1adf4732711e7 Mon Sep 17 00:00:00 2001
From: RedlineTriad <39059512+RedlineTriad@users.noreply.github.com>
Date: Sun, 24 Jan 2021 14:32:16 +0100
Subject: [PATCH 2/2] Add inverse of relative directions (#1298)

---
 .../src/components/global_transform.rs            | 15 +++++++++++++++
 crates/bevy_transform/src/components/transform.rs | 15 +++++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/crates/bevy_transform/src/components/global_transform.rs b/crates/bevy_transform/src/components/global_transform.rs
index 32591f1c5f694..d964442ca2cfa 100644
--- a/crates/bevy_transform/src/components/global_transform.rs
+++ b/crates/bevy_transform/src/components/global_transform.rs
@@ -79,16 +79,31 @@ impl GlobalTransform {
         self.rotation * Vec3::unit_x()
     }
 
+    #[inline]
+    pub fn left(&self) -> Vec3 {
+        -self.right()
+    }
+
     #[inline]
     pub fn up(&self) -> Vec3 {
         self.rotation * Vec3::unit_y()
     }
 
+    #[inline]
+    pub fn down(&self) -> Vec3 {
+        -self.up()
+    }
+
     #[inline]
     pub fn forward(&self) -> Vec3 {
         self.rotation * Vec3::unit_z()
     }
 
+    #[inline]
+    pub fn backward(&self) -> Vec3 {
+        -self.forward()
+    }
+
     #[inline]
     /// Rotate the transform by the given rotation
     pub fn rotate(&mut self, rotation: Quat) {
diff --git a/crates/bevy_transform/src/components/transform.rs b/crates/bevy_transform/src/components/transform.rs
index aae772b11aa97..ce8be11b0c537 100644
--- a/crates/bevy_transform/src/components/transform.rs
+++ b/crates/bevy_transform/src/components/transform.rs
@@ -79,16 +79,31 @@ impl Transform {
         self.rotation * Vec3::unit_x()
     }
 
+    #[inline]
+    pub fn left(&self) -> Vec3 {
+        -self.right()
+    }
+
     #[inline]
     pub fn up(&self) -> Vec3 {
         self.rotation * Vec3::unit_y()
     }
 
+    #[inline]
+    pub fn down(&self) -> Vec3 {
+        -self.up()
+    }
+
     #[inline]
     pub fn forward(&self) -> Vec3 {
         self.rotation * Vec3::unit_z()
     }
 
+    #[inline]
+    pub fn backward(&self) -> Vec3 {
+        -self.forward()
+    }
+
     #[inline]
     /// Rotate the transform by the given rotation
     pub fn rotate(&mut self, rotation: Quat) {