From 14523a8f5cd393210af50aaa82d67caf4f0b0eca Mon Sep 17 00:00:00 2001
From: Lightling <contactlightling@gmail.com>
Date: Sun, 13 Feb 2022 12:35:51 -0500
Subject: [PATCH] add translate relative

---
 Transform.cpp | 9 +++++++++
 Transform.h   | 1 +
 2 files changed, 10 insertions(+)

diff --git a/Transform.cpp b/Transform.cpp
index c4fc1d0..ca04871 100644
--- a/Transform.cpp
+++ b/Transform.cpp
@@ -69,6 +69,15 @@ void Transform::TranslateAbsolute(float _x, float _y, float _z)
 	worldMatrixChanged = true;
 }
 
+void Transform::TranslateRelative(float _x, float _y, float _z)
+{
+	XMVECTOR moveVector = XMVectorSet(_x, _y, _z, 0);
+	XMVECTOR rotateVector = XMVector3Rotate(moveVector, XMQuaternionRotationRollPitchYaw(eulerAngles.x, eulerAngles.y, eulerAngles.z));
+	XMVECTOR newPosition = XMLoadFloat3(&position) + rotateVector;
+	XMStoreFloat3(&position, newPosition);
+	worldMatrixChanged = true;
+}
+
 void Transform::Rotate(float _pitch, float _yaw, float _roll)
 {
 	XMVECTOR newRotation = XMLoadFloat3(&position);
diff --git a/Transform.h b/Transform.h
index fa98c4d..25e47ff 100644
--- a/Transform.h
+++ b/Transform.h
@@ -19,6 +19,7 @@ public:
 	void					SetScale(float _x, float _y, float _z);
 
 	void					TranslateAbsolute(float _x, float _y, float _z);
+	void					TranslateRelative(float _x, float _y, float _z);
 	void					Rotate(float _pitch, float _yaw, float _roll);
 	void					Scale(float _x, float _y, float _z);