koobas.hobune.stream
Billboarding Sprite issue.
Here's my generic code:
using UnityEngine;
public class Billboard : MonoBehaviour {
void Update() {
transform.LookAt(Camera.main.transform.position, -Vector3.up);
}
}
But there's a problem with it. I created a small plane, and added just a leaf texture to it for testing, like this: Pic1
But when i run it, it faces incorrectly? Like this: Pic2
Notice the camera and the plane are like this? Camera is looking at it instead of | vertical, its -- Horizontal to it.
How do i fix this? I tried making the vector3.up positive, and setting it to down... no change.
It's because LookAt points the blue axis at the target (unfortunately the plane is horizontal when that happens). Try this:
transform.LookAt(transform.position + Camera.main.transform.rotation * Vector3.up,Camera.main.transform.rotation * Vector3.back);
i get this error: Assets/Scene1 Assets/Scripts/Billboard.cs(9,33): error CS1503: Argument #2' cannot convert UnityEngine.Quaternion' expression to type `UnityEngine.Vector3'
How do i fix this?
Ok the correct side of the plane now faces the camera. The problem is, it's basically spinning. http://www.uploadscreenshot.com/image/1042533/7831250 http://www.uploadscreenshot.com/image/1042535/5798595
It spins as i rotate the camera around the object left and right. The vertical is good though
Hang on will test it this time - ugh thought I had that one in my head :S
