protected override void realUpdate(GameObject obj)
{
Vector3 pos2 = obj.transform.position;
Vector3 dir = unityFire.getItemPos(thisObj) - pos2;
double r2 = dir.sqrMagnitude;
phyObj po = obj.GetComponent <phyObj>();
double F = (G * thisPo.getm() * po.getm()) / r2;
dir.Normalize();
unityFire.addItemForce(obj, (float)F, dir);
}
private void OnCollisionEnter(Collision collision)//只针对了对心碰撞？
{
GameObject gameobj1 = this.gameObject;
phyObj phyobj1 = GetComponent <phyObj>();
GameObject gameobj2 = collision.gameObject;
phyObj phyobj2 = GetComponent <phyObj>();
float m1 = phyobj1.getm();
Vector3 v1 = unityFire.getItemVelocity(gameobj1);
float m2 = phyobj2.getm();
Vector3 v2 = unityFire.getItemVelocity(gameobj2);
float e = phyobj1.gete() > phyobj2.gete() ? phyobj1.gete() : phyobj2.gete();
Vector3 newv1 = (m1 * v1 + m2 * v2 - e * m2 * (v1 - v2)) / (m1 + m2);
Vector3 newv2 = (m1 * v1 + m2 * v2 - e * m1 * (v2 - v1)) / (m1 + m2);
unityFire.setItemVelocity(gameobj1, 1, newv1);
unityFire.setItemVelocity(gameobj2, 1, newv2);
}
public override void update(GameObject obj)
{
phyObj po = obj.GetComponent <phyObj>();
unityFire.addItemForce(obj, po.getm() * this.a, this.direction);
}