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

    unity3d實(shí)現(xiàn)鼠標(biāo)拖拽旋轉(zhuǎn)

    時(shí)間: 沈迪豪908 分享

      怎么實(shí)現(xiàn)unity3d 鼠標(biāo)拖拽旋轉(zhuǎn),滾輪縮放的功能呢?下面是學(xué)習(xí)啦小編收集整理關(guān)于unity3d 鼠標(biāo)拖拽旋轉(zhuǎn),滾輪縮放的功能的資料以供大家參考學(xué)習(xí),希望大家喜歡。

      unity3d 鼠標(biāo)拖拽旋轉(zhuǎn),滾輪縮放的功能的詳細(xì)代碼

      var target : Transform;

      var xSpeed = 250.0;

      var ySpeed = 120.0;

      var yMinLimit = -20;

      var yMaxLimit = 80;

      var initDis = 20;

      var minDis = 3.0;

      var maxDis = 50.0;

      var wheelSpeed = 5;

      static var x = 0.0;

      static var y = 0.0;

      static var distance;

      private var position;

      private var rotation;

      function Start () {

      x = 130;

      y = 30;

      transform.rotation = Quaternion.Euler(y, x, 0);;

      transform.position = Quaternion.Euler(y, x, 0) * Vector3(0.0, 0.0, -initDis) + target.position;

      // Make the rigid body not change rotation

      if (rigidbody)

      rigidbody.freezeRotation = true;

      }

      function Update () {

      if (target) {

      distance = Vector3.Distance(target.position,transform.position);

      if(Input.GetMouseButton(1)){

      x += Input.GetAxis("Mouse X") * xSpeed * 0.02;

      y -= Input.GetAxis("Mouse Y") * ySpeed * 0.02;

      y = ClampAngle(y, yMinLimit, yMaxLimit);

      }

      distance-= Input.GetAxis("Mouse ScrollWheel")*wheelSpeed;//獲取鼠標(biāo)中建響應(yīng)

      distance = Mathf.Clamp(distance,minDis,maxDis);//距離取最大值和最小值

      rotation = Quaternion.Euler(y, x, 0);

      position = rotation * Vector3(0.0, 0.0, -distance) + target.position;

      transform.rotation = rotation;

      transform.position = position;

      }

      }

      static function ClampAngle (angle : float, min : float, max : float) {

      if (angle < -360)

      angle += 360;

      if (angle > 360)

      angle -= 360;

      return Mathf.Clamp (angle, min, max);

      }

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