55 lines
1.5 KiB
C#
55 lines
1.5 KiB
C#
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using UnityEngine;
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namespace UMP
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{
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public class SimpleRotateSphere : MonoBehaviour
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{
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private const int RMB_ID = 0;
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private Transform _cachedTransform;
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private Vector2? _rmbPrevPos;
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private float _x;
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private float _y;
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[Range(1, 100)]
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[SerializeField]
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private float _rotationSpeed = 4;
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void Awake()
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{
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_cachedTransform = Camera.main.transform;
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}
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void Update()
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{
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TrackRotation();
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}
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private void TrackRotation()
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{
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if (_rmbPrevPos.HasValue)
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{
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if (Input.GetMouseButton(RMB_ID))
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{
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if (((int)_rmbPrevPos.Value.x != (int)Input.mousePosition.x)
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|| ((int)_rmbPrevPos.Value.y != (int)Input.mousePosition.y))
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{
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_x += (_rmbPrevPos.Value.y - Input.mousePosition.y) * Time.deltaTime * _rotationSpeed;
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_y -= (_rmbPrevPos.Value.x - Input.mousePosition.x) * Time.deltaTime * _rotationSpeed;
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_cachedTransform.rotation = Quaternion.Euler(_x, _y, 0);
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_rmbPrevPos = Input.mousePosition;
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}
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}
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else
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{
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_rmbPrevPos = null;
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}
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}
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else if (Input.GetMouseButtonDown(RMB_ID))
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{
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_rmbPrevPos = Input.mousePosition;
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}
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}
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}
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}
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