unity3d 移动与旋转 1

移动与旋转 1

player角色随asdw按键左右上下移动并旋转

 public void Update()
     {
         // Reset player rotation to look in the same direction as the camera.
         Quaternion tempRotation = myCamera.transform.rotation;
         tempRotation.x = ;
         tempRotation.z = ;
         myTransform.rotation = tempRotation;

         float xMovement = Input.GetAxis("Horizontal");// The horizontal movement.
         float zMovement = Input.GetAxis("Vertical");// The vertical movement.

         // Are whe grounded, yes then move.
         if (IsGrounded()) {

             //Move player the same distance in each direction. Player must move in a circular motion.
             float tempAngle = Mathf.Atan2(zMovement,xMovement);  //获取到键盘输入的弧度

             xMovement *= Mathf.Abs(Mathf.Cos(tempAngle));//将键盘坐标系的弧度转换为新坐标系的x坐标(当斜边为1时cos弧度求到x)
             zMovement *= Mathf.Abs(Mathf.Sin(tempAngle));//同理求到y

             moveDirection = new Vector3(xMovement, , zMovement); //得到方向

             moveDirection = myTransform.TransformDirection(moveDirection);
             moveDirection *= moveSpeed;

             // Make the player jump.
             if (Input.GetButton("Jump"))
                {
                 moveDirection.y = jumpSpeed; //跳跃
                 // TODO Add jump animation.
                }
            }

         // Apply gravity.
         moveDirection.y -= gravity * Time.deltaTime; //重力

         // Are we moving.
         if(moveDirection.x ==  && moveDirection.z == )
         {
             if(animator!=null)
             {
                 animator.SetBool("run", false);    //停止移动后停止播放动画
             }
         }
         else
         {
             // Make rotation object(The child object that contains animation) rotate to direction we are moving in.
             Vector3 temp = myTransform.position;
             temp.x += xMovement; //得到下一个目标点
             temp.z += zMovement;
             myRotationObject.localRotation = Quaternion.Slerp(myRotationObject.localRotation, Quaternion.LookRotation(temp-myTransform.position), rotationSpeed * Time.deltaTime);    //使角色平滑转向下一个目标点
             if(animator!=null)
             {
                 animator.SetBool("run", true);
             }
         }

         controller.Move(moveDirection * Time.deltaTime); //开始移动
     }