koobas.hobune.stream
Kinematic Child Object Jumping Above Player
Hi guys,
I'm almost there with a script that drags an object defined as a weapon to a player via physics and, if it interacts with a spherecast, is set as a non-kinematic child of the player (i.e transforms with player). However, a recurrent bug of this is that the weapon object moves to a seemingly random vector above the player following player movement yet continues to move with the player at this random vector. Any thoughts anyone?
Cheers all,
Popuppirate
using UnityEngine;
using System.Collections;
public class Weapon_Control_Script : MonoBehaviour {
public GameObject closest_weapon;
public bool attach_weapon;
public float distance;
private GameObject player;
private Transform p_trans;
private Transform w_trans;
private GameObject[] weapons;
private Vector3 player_vect;
private Vector3 weapon_vect;
// Use this for initialization
void Start () {
p_trans = transform.FindChild("PlayerAttachPoint");
attach_weapon = false;
}
// Update is called once per frame
void Update () {
if (attach_weapon == false) {
SearchForWeapons();
}
if (distance < 200f && Input.GetButtonDown ("Fire1")) {
attach_weapon=true;
}
if (attach_weapon == true) {
MoveWeapon();
if(Input.GetButtonDown ("Fire2")){
DetachWeapon();
}
}
}
void DetachWeapon(){//Removes Child From Player And Sets Weapon As Non-Kinematic
attach_weapon=false;
closest_weapon.rigidbody.isKinematic=false;
closest_weapon.transform.parent=null;
}
void MoveWeapon(){ //Moves Weapon Using AddForce Until Hit By Spherecast Then Made Child.
closest_weapon.rigidbody.useGravity=false;
RaycastHit hit;
player_vect = p_trans.position;
weapon_vect = w_trans.position;
Vector3 direction = (weapon_vect - player_vect);
float distance_local = Mathf.Abs (direction.sqrMagnitude);
closest_weapon.rigidbody.AddForce (-direction * distance_local);
bool cast = Physics.SphereCast (transform.position, 5f, transform.forward, out hit, Mathf.Infinity);
if (cast==true && hit.collider.gameObject.name==closest_weapon.name){ {
closest_weapon.transform.localPosition= player_vect;
closest_weapon.transform.rotation=transform.rotation;
closest_weapon.transform.parent=transform;
closest_weapon.rigidbody.isKinematic=true;
}
}
Debug.Log (player_vect + "," + direction);
}
void SearchForWeapons(){ //This works lovely jubly
weapons = GameObject.FindGameObjectsWithTag ("Weapon");
distance = Mathf.Infinity;
for (int i=0; i<weapons.Length; i++) {
Can_Pick_Up canpickupscript=weapons[i].GetComponent<Can_Pick_Up>();
if (canpickupscript.can_pick_up==true){
Vector3 diff_vect = weapons [i].transform.position - transform.position;
float diff_abs = Mathf.Abs (diff_vect.sqrMagnitude);
if (diff_abs < distance) {
closest_weapon = weapons [i];
distance = diff_abs;
}
}
if (w_trans==null||w_trans.name!=closest_weapon.name){
w_trans=closest_weapon.transform.FindChild("WeaponAttachPoint");
}
}
Debug.Log (closest_weapon.name);
closest_weapon.rigidbody.useGravity=true;
}
}
I figured out that it was the collider for the weapon hitting the landscape below it that made this error. The fixed code looks like this:
using UnityEngine;
using System.Collections;
public class Weapon_Control : MonoBehaviour {
public GameObject closest_weapon;
public bool attach_weapon;
public float distance;
private GameObject player;
private Transform p_trans;
private Transform w_trans;
private Transform e_trans;
private GameObject[] weapons;
private Vector3 player_vect;
private Vector3 weapon_vect;
private float velocity_damping=0.1f;
// Use this for initialization
void Start () {
p_trans = transform.FindChild("PlayerAttachPoint");
//e_trans = transform.FindChild("EmissionPoint");
attach_weapon = false;
}
// Update is called once per frame
void Update () {
if (attach_weapon == false) {
SearchForWeapons();
}
if (distance < 200f && Input.GetButtonDown ("Fire1")) {
attach_weapon=true;
}
if (attach_weapon == true) {
MoveWeapon();
if(Input.GetButtonDown ("Fire2")){
DetachWeapon();
}
}
}
//void Beam(){
// }
void DetachWeapon(){
attach_weapon=false;
closest_weapon.rigidbody.isKinematic=false;
closest_weapon.transform.parent=null;
}
void MoveWeapon(){ //Look Here!
closest_weapon.rigidbody.useGravity=false;
RaycastHit sphere_hit;
bool sphere_cast = Physics.SphereCast (transform.position, 2f, transform.forward, out sphere_hit, Mathf.Infinity);
player_vect = p_trans.position;
weapon_vect = w_trans.position;
Vector3 direction = (weapon_vect - player_vect);
float direction_angle = Vector3.Angle (direction, transform.right);
float distance_local = Mathf.Abs (direction.sqrMagnitude);
closest_weapon.rigidbody.AddForce (-direction * distance_local);
if (sphere_cast==true && sphere_hit.collider.gameObject.name==closest_weapon.name){
while(Mathf.Abs(closest_weapon.rigidbody.velocity.sqrMagnitude)>0.5f && Mathf.Abs(direction_angle)>5f){
closest_weapon.rigidbody.velocity*=velocity_damping;
closest_weapon.transform.RotateAround(transform.position, transform.forward, direction_angle);
closest_weapon.transform.position=Vector3.MoveTowards(closest_weapon.transform.position,transform.position,Time.deltaTime);
}
closest_weapon.transform.rotation=transform.rotation;
closest_weapon.transform.localPosition= player_vect;
closest_weapon.transform.parent=transform;
closest_weapon.rigidbody.isKinematic=true;
closest_weapon.collider.enabled=false;//Collider Turned Off Here
}
Debug.Log (player_vect + "," + direction);
}
void SearchForWeapons(){ //This works lovely jubly
weapons = GameObject.FindGameObjectsWithTag ("Weapon");
distance = Mathf.Infinity;
for (int i=0; i<weapons.Length; i++) {
Can_Pick_Up canpickupscript=weapons[i].GetComponent<Can_Pick_Up>();
if (canpickupscript.can_pick_up==true){
Vector3 diff_vect = weapons [i].transform.position - transform.position;
float diff_abs = Mathf.Abs (diff_vect.sqrMagnitude);
if (diff_abs < distance) {
closest_weapon = weapons [i];
distance = diff_abs;
}
}
if (w_trans==null||w_trans.name!=closest_weapon.name){
w_trans=closest_weapon.transform.FindChild("WeaponAttachPoint");
}
}
Debug.Log (closest_weapon.name);
closest_weapon.collider.enabled = true;//Collider Turned On Here
closest_weapon.rigidbody.useGravity = true;
}
}
