From 731846a0c654b39e23c26f611470e401df404c9d Mon Sep 17 00:00:00 2001
From: Mel <einebeere@gmail.com>
Date: Thu, 6 Oct 2022 01:42:52 +0200
Subject: Relative to camera movement

---
 src/Camera.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/Camera.cpp')

diff --git a/src/Camera.cpp b/src/Camera.cpp
index 5bb9aa2..59d677c 100644
--- a/src/Camera.cpp
+++ b/src/Camera.cpp
@@ -14,6 +14,13 @@ void Camera::move(Vector<3> vector) {
     m_position = m_position + vector;
 }
 
+void Camera::move_relative(Vector<3> by) {
+    auto rotation = Matrix<4, 4>::rotation(m_angles);
+
+    auto result = rotation.transpose() * Vector<4>{by.x(), by.y(), by.z(), 1.0f};
+    move(result.elements);
+}
+
 Rotation Camera::angles() {
     return m_angles;
 }
-- 
cgit 1.4.1