private void Turn()
{
SteamVR_Controller.Device device = SteamVR_Controller.Input((int)track.index);
bool isPressTouchPad = device.GetPress(SteamVR_Controller.ButtonMask.Touchpad);
float angle = 0f;
if (isPressTouchPad)
{
Vector2 touchPos = device.GetAxis();
angle = Vector2.Angle(new Vector2(0f, 1f), touchPos);
Vector3 cross = Vector3.Cross(new Vector2(0f, 1f), touchPos);
angle = cross.z > 0 ? -angle : angle;
}
//监听用户按键事件W
if (Input.GetKey(KeyCode.W) || (isPressTouchPad && (angle >= -45f && angle <= 45f)))
{
_NextDir = HeadDir.Up;
if (_CurrentDir == HeadDir.Down)
{
_NextDir = _CurrentDir;
}
}
if (Input.GetKey(KeyCode.S) || (isPressTouchPad && (angle <= -135f || angle >= 135f)))
{
_NextDir = HeadDir.Down;
if (_CurrentDir == HeadDir.Up)
{
_NextDir = _CurrentDir;
}
}
if (Input.GetKey(KeyCode.A) || (isPressTouchPad && (angle <= -45f && angle >= -135f)))
{
_NextDir = HeadDir.Left;
if (_CurrentDir == HeadDir.Right)
{
_NextDir = _CurrentDir;
}
}
if (Input.GetKey(KeyCode.D) || (isPressTouchPad && (angle >= 45f && angle <= 135f)))
{
_NextDir = HeadDir.Right;
if (_CurrentDir == HeadDir.Left)
{
_NextDir = _CurrentDir;
}
}
}
//控制蛇头移动
private void Move()
{
//将计时器累加时间增量
_Timer += Time.deltaTime;
if (_Timer >= (1f / speed))
{
//使蛇头旋转
switch (_NextDir)
{
case HeadDir.Up:
transform.forward = Vector3.forward;
_CurrentDir = HeadDir.Up;
break;
case HeadDir.Down:
transform.forward = Vector3.back;
_CurrentDir = HeadDir.Down;
break;
case HeadDir.Left:
transform.forward = Vector3.left;
_CurrentDir = HeadDir.Left;
break;
case HeadDir.Right:
transform.forward = Vector3.right;
_CurrentDir = HeadDir.Right;
break;
}
//记录头部移动之前的位置
Vector3 nextPos = transform.position;
//向前移动一个单位
transform.Translate(Vector3.forward);
//重置计时器
_Timer = 0f;
//如果有身子
if (_FirstBody != null)
{
//就让第一节身子移动
_FirstBody.MOve(nextPos);
}
}
}
private void Move()
{
_Timer += Time.deltaTime;
if (_Timer >= (1f / speed))
{
//让蛇头旋转
switch (_NextDir)
{
case HeadDir.Up:
transform.forward = Vector3.forward;
_CurrentDir = HeadDir.Up;
break;
case HeadDir.Down:
transform.forward = Vector3.back;
_CurrentDir = HeadDir.Down;
break;
case HeadDir.Left:
transform.forward = Vector3.left;
_CurrentDir = HeadDir.Left;
break;
case HeadDir.Right:
transform.forward = Vector3.right;
_CurrentDir = HeadDir.Right;
break;
}
//纪录头部移动之前的位置
Vector3 nextPos = transform.position;
//移动头部
transform.Translate(Vector3.forward);
if (_FirstBody != null)
{
_FirstBody.Move(nextPos);
}
//重置计时器
_Timer = 0f;
}
}
//控制蛇头转向
private void Turn()
{
//监听用户事件,上
if (Input.GetKey(KeyCode.W))
{
_NextDir = HeadDir.Up;
if (_CurrentDir == HeadDir.Down)
{
_NextDir = _CurrentDir;
}
}
//监听用户事件,下
if (Input.GetKey(KeyCode.S))
{
_NextDir = HeadDir.Down;
if (_CurrentDir == HeadDir.Up)
{
_NextDir = _CurrentDir;
}
}
//监听用户事件,左
if (Input.GetKey(KeyCode.A))
{
_NextDir = HeadDir.Left;
if (_CurrentDir == HeadDir.Right)
{
_NextDir = _CurrentDir;
}
}
//监听用户事件,右
if (Input.GetKey(KeyCode.D))
{
_NextDir = HeadDir.Right;
if (_CurrentDir == HeadDir.Left)
{
_NextDir = _CurrentDir;
}
}
}
