make it so camera anim preview doesnt rotate weirdly due to mouse movement

Author: Astral-C

include/scene/Camera.hpp

@@ -32,6 +32,10 @@ class LSceneCamera
 	glm::vec3 mRight;
 	glm::vec3 mUp;
 
+	glm::vec3 mOldForward;
+	glm::vec3 mOldRight;
+	glm::vec3 mOldUp;
+
 /*=== Movement ===*/
 	bool mAllowUpdates;
 	float mMoveSpeed;
@@ -40,6 +44,10 @@ class LSceneCamera
 	void Rotate(float deltaTime, glm::vec2 mouseDelta);
 
 public:
+
+	void UnRotate();
+	void ReRotate();
+
 	float NearPlane;
 	float FarPlane;
 	float Fovy;

src/DOM/CameraAnimationDOMNode.cpp

@@ -68,7 +68,9 @@ namespace CameraAnimation {
         scene->Camera.SetCenter(mCenter);
         scene->Camera.Fovy = mFovY;
 
+        scene->Camera.UnRotate();
         scene->RenderSubmit(640, 480);
+        scene->Camera.ReRotate();
 
         scene->Camera.mCamMode = mode;
         scene->Camera.SetEye(eye);

src/scene/Camera.cpp

@@ -82,6 +82,21 @@ void LSceneCamera::Update(GLFWwindow* window, float dt)
 		mCenter = mEye - mForward;
 }
 
+void LSceneCamera::UnRotate(){
+	mOldForward = mForward;
+	mOldRight = mRight;
+	mOldUp = mUp;
+	mForward = glm::normalize(mEye - mCenter);
+	mRight = glm::normalize(glm::cross(mForward, UNIT_Y));
+	mUp = glm::normalize(glm::cross(mRight, mForward));
+}
+
+void LSceneCamera::ReRotate(){
+	mForward = mOldForward;
+	mRight = mOldRight;
+	mUp = mOldUp;
+}
+
 void LSceneCamera::Rotate(float deltaTime, glm::vec2 mouseDelta)
 {
 	if (mouseDelta.x == 0.f && mouseDelta.y == 0.f)