72 lines
2.5 KiB
C#
72 lines
2.5 KiB
C#
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using UnityEngine;
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namespace OTG.Lab06.Characters
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{
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public sealed class ThirdPersonCamera : MonoBehaviour
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{
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[SerializeField] private Transform target;
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[SerializeField] private float mouseSensitivity = 2.5f;
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[SerializeField] private float smoothTime = 0.12f;
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[SerializeField] private float minPitch = 45f;
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[SerializeField] private float maxPitch = 60f;
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[SerializeField] private float initialPitch = 52f;
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[SerializeField] private float distance = 14f;
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[SerializeField] private float lookAhead = 3.5f;
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[SerializeField] private float targetHeight = 1.25f;
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private Vector3 velocity;
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private float yaw;
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private float pitch;
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public void SetTarget(Transform newTarget)
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{
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target = newTarget;
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}
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private void Start()
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{
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yaw = transform.eulerAngles.y;
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pitch = Mathf.Clamp(initialPitch, minPitch, maxPitch);
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Cursor.lockState = CursorLockMode.None;
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Cursor.visible = true;
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}
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private void LateUpdate()
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{
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if (target == null)
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{
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return;
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}
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if (Input.GetMouseButtonDown(1))
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{
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Cursor.lockState = CursorLockMode.Locked;
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Cursor.visible = false;
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}
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else if (Input.GetMouseButtonUp(1))
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{
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Cursor.lockState = CursorLockMode.None;
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Cursor.visible = true;
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}
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if (Input.GetMouseButton(1))
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{
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yaw += Input.GetAxis("Mouse X") * mouseSensitivity;
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pitch -= Input.GetAxis("Mouse Y") * mouseSensitivity;
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pitch = Mathf.Clamp(pitch, minPitch, maxPitch);
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}
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Vector3 forward = Quaternion.Euler(0f, yaw, 0f) * Vector3.forward;
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float pitchRadians = pitch * Mathf.Deg2Rad;
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float horizontalDistance = Mathf.Cos(pitchRadians) * distance;
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float height = Mathf.Sin(pitchRadians) * distance;
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Vector3 desiredPosition = target.position - forward * horizontalDistance + Vector3.up * height;
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Vector3 lookTarget = target.position + forward * lookAhead + Vector3.up * targetHeight;
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transform.position = Vector3.SmoothDamp(transform.position, desiredPosition, ref velocity, smoothTime);
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transform.rotation = Quaternion.LookRotation(lookTarget - transform.position, Vector3.up);
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}
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}
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}
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