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學(xué)習(xí)啦>學(xué)習(xí)電腦>電腦硬件知識(shí)>鍵盤(pán)鼠標(biāo)>

Unity3d鼠標(biāo)拖拽物體

時(shí)間: 沈迪豪908 分享

  愛(ài)學(xué)習(xí)的小伙伴們,可能都有了解過(guò)Unity3d ,但是你知道Unity3d 怎么使用鼠標(biāo)拖拽物體嗎?

  Unity3d使用鼠標(biāo)拖拽物體的具體代碼

  //Drag object using mouse

  //editor by faye euler

  //add script components to the collider Object with need to be draging

  //將代碼附加到要被拖拽的collider物體上

  function Update () {

  }

  var screenSpace;

  var offset;

  function OnMouseDown(){

  //translate the cubes position from the world to Screen Point

  //轉(zhuǎn)換對(duì)象位置,從世界點(diǎn)到屏幕座標(biāo)

  screenSpace = Camera.main.WorldToScreenPoint(transform.position);

  //calculate any difference between the cubes world position and the mouses Screen position converted to a worldpoint

  //在對(duì)象世界座標(biāo)與鼠標(biāo)屏幕座標(biāo)計(jì)算任何不同,轉(zhuǎn)換到世界點(diǎn)上

  offset = transform.position - Camera.main.ScreenToWorldPoint(Vector3(Input.mousePosition.x,Input.mousePosition.y, screenSpace.z));

  }

  /*

  OnMouseDrag is called when the user has clicked on a GUIElement or Collider and is still holding down the mouse.

  OnMouseDrag is called every frame while the mouse is down.

  */

  function OnMouseDrag () {

  //keep track of the mouse position

  //保持鼠標(biāo)位置追蹤

  var curScreenSpace = Vector3(Input.mousePosition.x, Input.mousePosition.y, screenSpace.z);

  //convert the screen mouse position to world point and adjust with offset

  //轉(zhuǎn)換屏幕鼠標(biāo)位置到世界點(diǎn),以及通過(guò)偏移調(diào)整

  var curPosition = Camera.main.ScreenToWorldPoint(curScreenSpace) + offset;

  //update the position of the object in the world

  //更新物體在世界的位置

  transform.position = curPosition;

  }

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