38 lines
1.2 KiB
C#
38 lines
1.2 KiB
C#
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using UnityEngine;
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namespace BulletHellTemplate
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{
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/// <summary>
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/// Makes a canvas always face the main camera, respecting all rotations to prevent visual jitter.
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/// Designed for top-down games with world-space canvases.
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/// </summary>
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public class LookAtCamera : MonoBehaviour
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{
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private Transform mainCameraTransform; // Cache the transform of the main camera for efficiency
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void Start()
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{
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// Cache the main camera transform
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if (Camera.main != null)
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{
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mainCameraTransform = Camera.main.transform;
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}
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}
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void LateUpdate()
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{
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if (mainCameraTransform != null)
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{
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// Calculate the direction vector from the canvas to the camera
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Vector3 directionToCamera = mainCameraTransform.position - transform.position;
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// Create a rotation that points the canvas directly at the camera
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Quaternion targetRotation = Quaternion.LookRotation(directionToCamera, Vector3.up);
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// Apply the rotation to the canvas
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transform.rotation = targetRotation;
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}
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}
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}
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}
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