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--- guides:tips-on-quaternion [2020/04/23 11:08] – vjraymon
+++ guides:tips-on-quaternion [2021/02/23 11:57] (current) – title fix minotorious
@@ Line 1: / Line 1: @@
-====== Custom component : tips about quaternion ======
+====== Tips on Quaternions ======
 Since 1.5, Foundation allows to mod Custom component and links it to a fbx (see Exemple02)
 Assuming the local axis Y of the building is vertical (most cases),
-a way to compute the cosinus (named "cosp") and sinus (named "sinp") of the rotation angle of the building around the vertical is the following:
+a way to compute the cosinus (named ''cosp'') and sinus (named ''sinp'') of the rotation angle of the building around the vertical is the following:
 <code lua>
@@ Line 14: / Line 14: @@
 Note:
-) You can check that cosp*cosp + sinp*sinp is near 1
+) You can check that ''cosp''*''cosp'' + ''sinp''*''sinp'' is near 1
 ) This can be used, for instance, to convert a local direction on XZ plane (local coordonates for "translate"), to a global direction (global coordonates for "rayCast").