vault backup: 2023-11-08 13:11:35

03-UnrealEngine/Math/四元数学习笔记.md

@@ -62,16 +62,18 @@ $$p \rightarrow q\cdot p \cdot q^-1$$
 $$x^2 + y^2 + z^2 =1$$
 # FBX
 四元数旋转顺序 xyz
-旋转xyz分别为
-
 可以使用
 `FbxNode::RotationOrder`
 了解其顺序。
 
+旋转xyz分别为
 the "roll" about the x-axis along the plane,  
 the "pitch" about the y-axis which extends along the wings of the plane,  
 and the "yaw" or "heading" about the z-axis
 
 # Qt
-四元数旋转顺序zyx 或 yxz
+Qt中四元数旋转顺序zyx 或 yxz
 旋转xyz分别为pitch yaw roll
+
+# UE
+UE中四元数的旋转顺序为**zyx**。其中旋转X轴为Roll，旋转Y轴为Pitch，旋转Z轴为Yaw