Modify quaternians

Hello,

I have ran into a problem with quaternions. My math is a little weak in this area, so some help would be quite appreciated. I have a transform that I want to set the Y value of the rotation to 0, so that its transform.forward will not contain any vertical components. however, transform.rotation takes a quaternion and from what I have read so far, there is no effective way to turn a Vector3 into a quaternion. Any advice would be greatly appreciated.

Thanks in advance

 

I guess you're looking for Quaternion.Euler or Quaternion.AxisAngle.

 

If you're going to be doing things like this, you should put some time into learning the math or you're going to have a really, really bad time. I don't mean the internals of Quaternions, but you should at least understand Euler angles.

Off the bat, the way you're trying to do this won't work because:

• the y value of an Euler angle does not correspond to pitch, it kinda-sorta-corresponds to yaw. x kinda-sorta-corresponds to pitch which is probably what you mean by vertical.
• the x rotation of an Euler angle is applied after the z and before the y. which means you can't just set x to zero to "cancel the vertical".

 

Look at Transform.localEulerAngles

Code (csharp):

1.  
2. Vector3 localEA = transform.localEulerAngles;
3. transform.localEulerAngles = new Vector3(localEA.x, 0f, localEA.z);
4.