68 lines
1.4 KiB
C#
68 lines
1.4 KiB
C#
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using UnityEngine;
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using UnityEngine.EventSystems;
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public class DragRotator : MonoBehaviour, IBeginDragHandler, IDragHandler, IEndDragHandler
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{
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public Transform root;
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public new Camera camera;
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private Vector3 _lastPoint;
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public RenderTexture renderTexture
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{
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get;
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private set;
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}
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// Start is called before the first frame update
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private void Awake()
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{
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//RenderTextureDescriptor desc = default;
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//desc.width = 1024;
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//desc.height = 1024;
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renderTexture = RenderTexture.GetTemporary(1024, 1024, 16, RenderTextureFormat.ARGB32);
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camera.targetTexture = renderTexture;
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}
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private void OnDestroy()
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{
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RenderTexture.ReleaseTemporary(renderTexture);
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}
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// Update is called once per frame
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private void Update()
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{
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if (Input.GetMouseButtonDown(0))
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{
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_lastPoint = Input.mousePosition;
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}
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else if (Input.GetMouseButton(0))
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{
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var mousePoint = Input.mousePosition;
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var deltaX = _lastPoint.x - mousePoint.x;
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var deltaY = _lastPoint.y - mousePoint.y;
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_lastPoint = mousePoint;
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var pointY = Screen.height / 1920f * 1000f;
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if (mousePoint.y > pointY)
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root.Rotate(Vector3.up * (deltaX * 10f * Time.deltaTime), Space.Self);
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}
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}
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public void OnDrag(PointerEventData eventData)
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{
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root.Rotate(Vector3.up * (-eventData.delta.x), Space.Self);
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}
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public void OnBeginDrag(PointerEventData eventData)
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{
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}
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public void OnEndDrag(PointerEventData eventData)
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{
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}
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}
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