82 lines
2.9 KiB
C#
82 lines
2.9 KiB
C#
using UnityEngine;
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namespace Obi
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{
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[RequireComponent(typeof(Camera))]
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public class LookAroundCamera : MonoBehaviour
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{
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public struct CameraShot
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{
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public Vector3 position;
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public Quaternion rotation;
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public Vector3 up;
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public float fieldOfView;
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public CameraShot(Vector3 position, Quaternion rotation, Vector3 up, float fieldOfView)
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{
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this.position = position;
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this.rotation = rotation;
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this.up = up;
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this.fieldOfView = fieldOfView;
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}
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}
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private Camera cam;
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private CameraShot currentShot;
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public float movementSpeed = 5;
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public float rotationSpeed = 8;
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public float translationResponse = 10;
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public float rotationResponse = 10;
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public float fovResponse = 10;
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private void Awake()
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{
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cam = GetComponent<Camera>();
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currentShot = new CameraShot(transform.position, transform.rotation, transform.up, cam.fieldOfView);
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}
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private void LookAt(Vector3 position, Vector3 up)
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{
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currentShot.up = up;
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currentShot.rotation = Quaternion.LookRotation(position - currentShot.position, currentShot.up);
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}
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private void UpdateShot()
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{
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transform.position = Vector3.Lerp(transform.position, currentShot.position, translationResponse * Time.deltaTime);
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transform.rotation = Quaternion.Slerp(transform.rotation, currentShot.rotation, rotationResponse * Time.deltaTime);
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cam.fieldOfView = Mathf.Lerp(cam.fieldOfView, currentShot.fieldOfView, fovResponse * Time.deltaTime);
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}
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private void LateUpdate()
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{
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Vector3 delta = Vector3.zero;
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if (Input.GetKey(KeyCode.W))
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delta += cam.transform.forward;
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if (Input.GetKey(KeyCode.A))
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delta -= cam.transform.right;
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if (Input.GetKey(KeyCode.S))
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delta -= cam.transform.forward;
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if (Input.GetKey(KeyCode.D))
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delta += cam.transform.right;
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currentShot.position += delta * Time.deltaTime * movementSpeed;
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var system = UnityEngine.EventSystems.EventSystem.current;
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bool focusUI = system != null && system.IsPointerOverGameObject();
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if (Input.GetKey(KeyCode.Mouse0) && !focusUI)
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{
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float deltaX = Input.GetAxis("Mouse X") * rotationSpeed;
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float deltaY = Input.GetAxis("Mouse Y") * rotationSpeed;
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Quaternion fwd = currentShot.rotation * Quaternion.AngleAxis(deltaX, Vector3.up) * Quaternion.AngleAxis(deltaY, -Vector3.right);
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LookAt(currentShot.position + fwd * Vector3.forward, Vector3.up);
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}
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UpdateShot();
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}
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}
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}
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