public void TestAim()
{
if (Mathf.Abs(targetSpeed.Speed) < 0.01f) //物体的速度过小，则默认物体是静止的。
{
isAim = true;
aimPos = target.position;
}
else
{
targetDir = transform.position - target.position;
angle = Vector3.Angle(targetDir, targetSpeed.CurrentVector);
distence = targetDir.magnitude;
float a = PhycisMath.GetPom((rocketSpeed.Speed / targetSpeed.Speed), 2);
float b = PhycisMath.GetRad(distence, angle);
float c = distence * distence;
float d = PhycisMath.GetDelta(a, b, c);
isAim = d >= 0 && !float.IsNaN(d) && !float.IsInfinity(d);
if (isAim)
{
float r = PhycisMath.GetSqrtOfMath(a, b, d);
if (r < 0)
{
isAim = false; //如果得出的是负值，则代表交点有误
}
aimPos = target.transform.position + targetSpeed.CurrentVector * r;
}
}
}
void Update()
{
dtime = Time.time - lastTime;
if (dtime > 0)
{
lastTime = Time.time;
Speed = PhycisMath.GetSpeed(lastPos, transform.position, dtime);
CurrentVector = PhycisMath.GetDir(lastPos, transform.position);
if (Mathf.Abs(Speed) < 0.001f)
{
CurrentVector = transform.TransformDirection(Vector3.forward);
}
lastPos = transform.position;
}
}
