Created
June 13, 2016 19:40
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| using UnityEngine; | |
| using System.Collections; | |
| // On first-person controllers, the camera and body are separate objects, | |
| // so to perform a smooth look-at, they must rotate along different axes, in unison. | |
| // NOTE: You will likely have to disable the look/camera controller in order for this to work. | |
| public class FirstPersonLookAt : MonoBehaviour | |
| { | |
| public Transform body; | |
| public Transform camera; | |
| public Transform target; | |
| public float speed = 5f; | |
| public Vector3 offset; | |
| public bool follow; | |
| void Update () | |
| { | |
| if (target != null) | |
| { | |
| // rotate body around y-axis | |
| Vector3 direction = (target.position + offset) - body.position; | |
| direction.y = 0; // forces rotation around y-axis | |
| Quaternion bodyRotation = Quaternion.LookRotation(direction); | |
| body.rotation = Quaternion.Slerp(body.rotation, bodyRotation, speed * Time.deltaTime); | |
| // rotate camera around x-axis locally | |
| direction = (target.position + offset) - camera.position; | |
| Quaternion cameraRotation = Quaternion.Inverse(bodyRotation) * Quaternion.LookRotation(direction); // get difference of rotations to limit to x-axis local rotation | |
| camera.localRotation = Quaternion.Slerp(camera.localRotation, cameraRotation, speed * Time.deltaTime); | |
| // stop when target reached, unless set to follow | |
| if (!follow) | |
| { | |
| if (Quaternion.Angle(camera.localRotation, cameraRotation) < 0.1f | |
| && Quaternion.Angle(body.rotation, bodyRotation) < 0.1f) | |
| { | |
| target = null; // reset target and stop | |
| } | |
| } | |
| } | |
| } | |
| } |
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