55 lines
1.9 KiB
C#
55 lines
1.9 KiB
C#
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using UnityEngine;
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namespace Invector
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{
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public class vLookAtCamera : MonoBehaviour
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{
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[Tooltip("Align position to stay always on top of parent")]
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public bool alignUp = false;
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[Tooltip("Height of alignment on top of parent \n!!(Check alignUp to work)!!")]
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public float height = 1;
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[Tooltip("Detach of the parent on start \n!!(if alignUp not is checked, the object not follow the parent)!!")]
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public bool detachOnStart;
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[Tooltip("use smoth to look at camera")]
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public bool useSmothRotation = true;
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protected Transform parent;
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public bool justY;
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internal Camera cameraMain;
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void Start()
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{
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if (detachOnStart)
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{
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parent = transform.parent;
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transform.SetParent(null);
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}
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cameraMain = Camera.main;
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}
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private void OnEnable()
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{
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cameraMain = Camera.main;
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Align(false);
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}
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void FixedUpdate()
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{
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Align(useSmothRotation);
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}
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void Align(bool useSmooth)
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{
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if (alignUp && parent)
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transform.position = parent.position + Vector3.up * height;
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if (!cameraMain) return;
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var lookPos = cameraMain.transform.position - transform.position;
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lookPos.y = 0;
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var rotation = Quaternion.LookRotation(lookPos);
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if (useSmooth)
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{
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transform.rotation = Quaternion.Slerp(transform.rotation, rotation, Time.deltaTime * 4f);
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transform.eulerAngles = new Vector3(justY ? 0 : transform.eulerAngles.x, transform.eulerAngles.y, 0);
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}
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else
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{
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transform.eulerAngles = new Vector3(justY ? 0 : rotation.eulerAngles.x, rotation.eulerAngles.y, 0);
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}
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}
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}
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}
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