Mixing
trying to make an enemy shoot a projectile at the player when the player enters the enemys range
1
for some reason the projectile is fired but only when the enemy comes into contact with the player and very slowly for some reason.
below is my code.
(there is a separate script on my projectile but that only deals with damage on the player)
public class flyingEnemy : MonoBehaviour {
public int maxHealth = 40;
Rigidbody2D rb2d;
public float speed;
public float attackRange;
private float lastAttackTime;
public float attackDelay;
public Transform target;
public float chaseRange;
public GameObject projectile;
public float bulletForce;
// Use this for initialization
void Start () {
}
// Update is called once per frame
void Update () {
float distanceToTarget = Vector3.Distance(transform.position, target.position);
if(distanceToTarget < chaseRange)
{
//start chasing player
Vector3 targetDir = target.position - transform.position;
float angle = Mathf.Atan2(targetDir.y, targetDir.x) * Mathf.Rad2Deg - 90f;
Quaternion q = Quaternion.AngleAxis(angle, Vector3.forward);
transform.rotation = Quaternion.RotateTowards(transform.rotation, q, 180);
transform.Translate(Vector3.up * Time.deltaTime * speed);
}
if(distanceToTarget < attackRange)
{
//check to see if its time to attack again
if (Time.time > lastAttackTime + attackDelay)
{
//do we have lineofsight?
RaycastHit2D Hit = Physics2D.Raycast(transform.position, transform.up,attackRange);
//what did the raycast hit?
if (Hit.transform == target)
{
GameObject newBullet = Instantiate(projectile, transform.position, transform.rotation);
newBullet.GetComponent<Rigidbody2D>().AddRelativeForce(new Vector2(0f, bulletForce));
lastAttackTime = Time.time;
}
}
}
}
c# unity3d
asked Dec 30 '18 at 22:27
sam austinsam austin
134
add a comment |
1
for some reason the projectile is fired but only when the enemy comes into contact with the player and very slowly for some reason.
below is my code.
(there is a separate script on my projectile but that only deals with damage on the player)
public class flyingEnemy : MonoBehaviour {
public int maxHealth = 40;
Rigidbody2D rb2d;
public float speed;
public float attackRange;
private float lastAttackTime;
public float attackDelay;
public Transform target;
public float chaseRange;
public GameObject projectile;
public float bulletForce;
// Use this for initialization
void Start () {
}
// Update is called once per frame
void Update () {
float distanceToTarget = Vector3.Distance(transform.position, target.position);
if(distanceToTarget < chaseRange)
{
//start chasing player
Vector3 targetDir = target.position - transform.position;
float angle = Mathf.Atan2(targetDir.y, targetDir.x) * Mathf.Rad2Deg - 90f;
Quaternion q = Quaternion.AngleAxis(angle, Vector3.forward);
transform.rotation = Quaternion.RotateTowards(transform.rotation, q, 180);
transform.Translate(Vector3.up * Time.deltaTime * speed);
}
if(distanceToTarget < attackRange)
{
//check to see if its time to attack again
if (Time.time > lastAttackTime + attackDelay)
{
//do we have lineofsight?
RaycastHit2D Hit = Physics2D.Raycast(transform.position, transform.up,attackRange);
//what did the raycast hit?
if (Hit.transform == target)
{
GameObject newBullet = Instantiate(projectile, transform.position, transform.rotation);
newBullet.GetComponent<Rigidbody2D>().AddRelativeForce(new Vector2(0f, bulletForce));
lastAttackTime = Time.time;
}
}
}
}
c# unity3d
asked Dec 30 '18 at 22:27
sam austinsam austin
134
well the projectiles only seem to fire when the player comes into contact with the enemy and i want them to fire any distance, but also they are very slow.
– sam austin
Dec 30 '18 at 22:49
add a comment |
1
1
1
for some reason the projectile is fired but only when the enemy comes into contact with the player and very slowly for some reason.
below is my code.
(there is a separate script on my projectile but that only deals with damage on the player)
public class flyingEnemy : MonoBehaviour {
public int maxHealth = 40;
Rigidbody2D rb2d;
public float speed;
public float attackRange;
private float lastAttackTime;
public float attackDelay;
public Transform target;
public float chaseRange;
public GameObject projectile;
public float bulletForce;
// Use this for initialization
void Start () {
}
// Update is called once per frame
void Update () {
float distanceToTarget = Vector3.Distance(transform.position, target.position);
if(distanceToTarget < chaseRange)
{
//start chasing player
Vector3 targetDir = target.position - transform.position;
float angle = Mathf.Atan2(targetDir.y, targetDir.x) * Mathf.Rad2Deg - 90f;
Quaternion q = Quaternion.AngleAxis(angle, Vector3.forward);
transform.rotation = Quaternion.RotateTowards(transform.rotation, q, 180);
transform.Translate(Vector3.up * Time.deltaTime * speed);
}
if(distanceToTarget < attackRange)
{
//check to see if its time to attack again
if (Time.time > lastAttackTime + attackDelay)
{
//do we have lineofsight?
RaycastHit2D Hit = Physics2D.Raycast(transform.position, transform.up,attackRange);
//what did the raycast hit?
if (Hit.transform == target)
{
GameObject newBullet = Instantiate(projectile, transform.position, transform.rotation);
newBullet.GetComponent<Rigidbody2D>().AddRelativeForce(new Vector2(0f, bulletForce));
lastAttackTime = Time.time;
}
}
}
}
c# unity3d
asked Dec 30 '18 at 22:27
sam austinsam austin
134
for some reason the projectile is fired but only when the enemy comes into contact with the player and very slowly for some reason.
below is my code.
(there is a separate script on my projectile but that only deals with damage on the player)
public class flyingEnemy : MonoBehaviour {
public int maxHealth = 40;
Rigidbody2D rb2d;
public float speed;
public float attackRange;
private float lastAttackTime;
public float attackDelay;
public Transform target;
public float chaseRange;
public GameObject projectile;
public float bulletForce;
// Use this for initialization
void Start () {
}
// Update is called once per frame
void Update () {
float distanceToTarget = Vector3.Distance(transform.position, target.position);
if(distanceToTarget < chaseRange)
{
//start chasing player
Vector3 targetDir = target.position - transform.position;
float angle = Mathf.Atan2(targetDir.y, targetDir.x) * Mathf.Rad2Deg - 90f;
Quaternion q = Quaternion.AngleAxis(angle, Vector3.forward);
transform.rotation = Quaternion.RotateTowards(transform.rotation, q, 180);
transform.Translate(Vector3.up * Time.deltaTime * speed);
}
if(distanceToTarget < attackRange)
{
//check to see if its time to attack again
if (Time.time > lastAttackTime + attackDelay)
{
//do we have lineofsight?
RaycastHit2D Hit = Physics2D.Raycast(transform.position, transform.up,attackRange);
//what did the raycast hit?
if (Hit.transform == target)
{
GameObject newBullet = Instantiate(projectile, transform.position, transform.rotation);
newBullet.GetComponent<Rigidbody2D>().AddRelativeForce(new Vector2(0f, bulletForce));
lastAttackTime = Time.time;
}
}
}
}
c# unity3d
c# unity3d
asked Dec 30 '18 at 22:27
sam austinsam austin
134
asked Dec 30 '18 at 22:27
sam austinsam austin
134
edited Dec 30 '18 at 22:35
sam austin
asked Dec 30 '18 at 22:27
sam austinsam austin
134
asked Dec 30 '18 at 22:27
sam austinsam austin
134
asked Dec 30 '18 at 22:27
sam austinsam austin
134
134
well the projectiles only seem to fire when the player comes into contact with the enemy and i want them to fire any distance, but also they are very slow.
– sam austin
Dec 30 '18 at 22:49
add a comment |
well the projectiles only seem to fire when the player comes into contact with the enemy and i want them to fire any distance, but also they are very slow.
– sam austin
Dec 30 '18 at 22:49
well the projectiles only seem to fire when the player comes into contact with the enemy and i want them to fire any distance, but also they are very slow.
– sam austin
Dec 30 '18 at 22:49
well the projectiles only seem to fire when the player comes into contact with the enemy and i want them to fire any distance, but also they are very slow.
– sam austin
Dec 30 '18 at 22:49
add a comment |
1 Answer
1
active
oldest
votes
0
I modified your code and it seems to work now. I added a 'Player' layer to the player gameobject, then rewrote your script to the following:
using UnityEngine;
public class Enemy : MonoBehaviour
{
public int maxHealth = 40;
public float speed;
public float attackRange;
public float attackDelay;
public float chaseRange;
public float bulletForce;
private float lastAttackTime;
private float distanceToTarget;
public Transform target;
public GameObject projectile;
private Rigidbody2D rb2d;
private void Start()
{
rb2d = GetComponent<Rigidbody2D>();
}
private void FixedUpdate()
{
if (distanceToTarget < chaseRange)
{
Chase(target.position);
}
else
{
rb2d.velocity = Vector2.zero;
}
}
private void Update()
{
distanceToTarget = Vector3.Distance(transform.position, target.position);
if (distanceToTarget < attackRange)
{
if (Time.time > lastAttackTime + attackDelay)
{
RaycastHit2D Hit = Physics2D.Raycast(transform.position, transform.up, attackRange, 1 << LayerMask.NameToLayer("Player"));
if (Hit)
{
Fire();
lastAttackTime = Time.time;
}
}
}
}
private void Chase(Vector3 target)
{
Vector3 targetDir = target - transform.position;
float angle = Mathf.Atan2(targetDir.y, targetDir.x) * Mathf.Rad2Deg - 90f;
Quaternion q = Quaternion.AngleAxis(angle, Vector3.forward);
transform.rotation = Quaternion.RotateTowards(transform.rotation, q, 180);
rb2d.velocity = targetDir.normalized * speed;
}
private void Fire()
{
GameObject newBullet = Instantiate(projectile, transform.position, transform.rotation);
newBullet.GetComponent<Rigidbody2D>().AddForce(transform.up * bulletForce, ForceMode2D.Impulse);
}
}
First, if you have a rigidbody, use that instead of Transform.Translate. Second, make sure your raycast only applies to the Player layer.
Third, rather than
AddRelativeForce(new Vector2(0f, bulletForce));
use
AddForce(transform.up * bulletForce, ForceMode2D.Impulse);
Fourth, play around with the serialized values until you get the result you want. What I did was lower the enemy's speed and increase the bullet force. Let me know if you have any questions.
answered Dec 31 '18 at 0:06
Sean CareySean Carey
57038
thank you so much for your help, im confused at how else i can use the rigidbody instead of the transform.translate function?
– sam austin
Dec 31 '18 at 14:35
I wrote it in the code for you. It's inside the 'Chase' function: rb2d.velocity = targetDir.normalized * speed;
– Sean Carey
Dec 31 '18 at 19:35
youve been a great help its now working as intended thank you so much :)
– sam austin
Jan 1 at 15:26
add a comment |
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1 Answer
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1 Answer
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0
I modified your code and it seems to work now. I added a 'Player' layer to the player gameobject, then rewrote your script to the following:
using UnityEngine;
public class Enemy : MonoBehaviour
{
public int maxHealth = 40;
public float speed;
public float attackRange;
public float attackDelay;
public float chaseRange;
public float bulletForce;
private float lastAttackTime;
private float distanceToTarget;
public Transform target;
public GameObject projectile;
private Rigidbody2D rb2d;
private void Start()
{
rb2d = GetComponent<Rigidbody2D>();
}
private void FixedUpdate()
{
if (distanceToTarget < chaseRange)
{
Chase(target.position);
}
else
{
rb2d.velocity = Vector2.zero;
}
}
private void Update()
{
distanceToTarget = Vector3.Distance(transform.position, target.position);
if (distanceToTarget < attackRange)
{
if (Time.time > lastAttackTime + attackDelay)
{
RaycastHit2D Hit = Physics2D.Raycast(transform.position, transform.up, attackRange, 1 << LayerMask.NameToLayer("Player"));
if (Hit)
{
Fire();
lastAttackTime = Time.time;
}
}
}
}
private void Chase(Vector3 target)
{
Vector3 targetDir = target - transform.position;
float angle = Mathf.Atan2(targetDir.y, targetDir.x) * Mathf.Rad2Deg - 90f;
Quaternion q = Quaternion.AngleAxis(angle, Vector3.forward);
transform.rotation = Quaternion.RotateTowards(transform.rotation, q, 180);
rb2d.velocity = targetDir.normalized * speed;
}
private void Fire()
{
GameObject newBullet = Instantiate(projectile, transform.position, transform.rotation);
newBullet.GetComponent<Rigidbody2D>().AddForce(transform.up * bulletForce, ForceMode2D.Impulse);
}
}
First, if you have a rigidbody, use that instead of Transform.Translate. Second, make sure your raycast only applies to the Player layer.
Third, rather than
AddRelativeForce(new Vector2(0f, bulletForce));
use
AddForce(transform.up * bulletForce, ForceMode2D.Impulse);
Fourth, play around with the serialized values until you get the result you want. What I did was lower the enemy's speed and increase the bullet force. Let me know if you have any questions.
answered Dec 31 '18 at 0:06
Sean CareySean Carey
57038
thank you so much for your help, im confused at how else i can use the rigidbody instead of the transform.translate function?
– sam austin
Dec 31 '18 at 14:35
I wrote it in the code for you. It's inside the 'Chase' function: rb2d.velocity = targetDir.normalized * speed;
– Sean Carey
Dec 31 '18 at 19:35
youve been a great help its now working as intended thank you so much :)
– sam austin
Jan 1 at 15:26
add a comment |
0
I modified your code and it seems to work now. I added a 'Player' layer to the player gameobject, then rewrote your script to the following:
using UnityEngine;
public class Enemy : MonoBehaviour
{
public int maxHealth = 40;
public float speed;
public float attackRange;
public float attackDelay;
public float chaseRange;
public float bulletForce;
private float lastAttackTime;
private float distanceToTarget;
public Transform target;
public GameObject projectile;
private Rigidbody2D rb2d;
private void Start()
{
rb2d = GetComponent<Rigidbody2D>();
}
private void FixedUpdate()
{
if (distanceToTarget < chaseRange)
{
Chase(target.position);
}
else
{
rb2d.velocity = Vector2.zero;
}
}
private void Update()
{
distanceToTarget = Vector3.Distance(transform.position, target.position);
if (distanceToTarget < attackRange)
{
if (Time.time > lastAttackTime + attackDelay)
{
RaycastHit2D Hit = Physics2D.Raycast(transform.position, transform.up, attackRange, 1 << LayerMask.NameToLayer("Player"));
if (Hit)
{
Fire();
lastAttackTime = Time.time;
}
}
}
}
private void Chase(Vector3 target)
{
Vector3 targetDir = target - transform.position;
float angle = Mathf.Atan2(targetDir.y, targetDir.x) * Mathf.Rad2Deg - 90f;
Quaternion q = Quaternion.AngleAxis(angle, Vector3.forward);
transform.rotation = Quaternion.RotateTowards(transform.rotation, q, 180);
rb2d.velocity = targetDir.normalized * speed;
}
private void Fire()
{
GameObject newBullet = Instantiate(projectile, transform.position, transform.rotation);
newBullet.GetComponent<Rigidbody2D>().AddForce(transform.up * bulletForce, ForceMode2D.Impulse);
}
}
First, if you have a rigidbody, use that instead of Transform.Translate. Second, make sure your raycast only applies to the Player layer.
Third, rather than
AddRelativeForce(new Vector2(0f, bulletForce));
use
AddForce(transform.up * bulletForce, ForceMode2D.Impulse);
Fourth, play around with the serialized values until you get the result you want. What I did was lower the enemy's speed and increase the bullet force. Let me know if you have any questions.
answered Dec 31 '18 at 0:06
Sean CareySean Carey
57038
thank you so much for your help, im confused at how else i can use the rigidbody instead of the transform.translate function?
– sam austin
Dec 31 '18 at 14:35
I wrote it in the code for you. It's inside the 'Chase' function: rb2d.velocity = targetDir.normalized * speed;
– Sean Carey
Dec 31 '18 at 19:35
youve been a great help its now working as intended thank you so much :)
– sam austin
Jan 1 at 15:26
add a comment |
0
0
0
I modified your code and it seems to work now. I added a 'Player' layer to the player gameobject, then rewrote your script to the following:
using UnityEngine;
public class Enemy : MonoBehaviour
{
public int maxHealth = 40;
public float speed;
public float attackRange;
public float attackDelay;
public float chaseRange;
public float bulletForce;
private float lastAttackTime;
private float distanceToTarget;
public Transform target;
public GameObject projectile;
private Rigidbody2D rb2d;
private void Start()
{
rb2d = GetComponent<Rigidbody2D>();
}
private void FixedUpdate()
{
if (distanceToTarget < chaseRange)
{
Chase(target.position);
}
else
{
rb2d.velocity = Vector2.zero;
}
}
private void Update()
{
distanceToTarget = Vector3.Distance(transform.position, target.position);
if (distanceToTarget < attackRange)
{
if (Time.time > lastAttackTime + attackDelay)
{
RaycastHit2D Hit = Physics2D.Raycast(transform.position, transform.up, attackRange, 1 << LayerMask.NameToLayer("Player"));
if (Hit)
{
Fire();
lastAttackTime = Time.time;
}
}
}
}
private void Chase(Vector3 target)
{
Vector3 targetDir = target - transform.position;
float angle = Mathf.Atan2(targetDir.y, targetDir.x) * Mathf.Rad2Deg - 90f;
Quaternion q = Quaternion.AngleAxis(angle, Vector3.forward);
transform.rotation = Quaternion.RotateTowards(transform.rotation, q, 180);
rb2d.velocity = targetDir.normalized * speed;
}
private void Fire()
{
GameObject newBullet = Instantiate(projectile, transform.position, transform.rotation);
newBullet.GetComponent<Rigidbody2D>().AddForce(transform.up * bulletForce, ForceMode2D.Impulse);
}
}
First, if you have a rigidbody, use that instead of Transform.Translate. Second, make sure your raycast only applies to the Player layer.
Third, rather than
AddRelativeForce(new Vector2(0f, bulletForce));
use
AddForce(transform.up * bulletForce, ForceMode2D.Impulse);
Fourth, play around with the serialized values until you get the result you want. What I did was lower the enemy's speed and increase the bullet force. Let me know if you have any questions.
answered Dec 31 '18 at 0:06
Sean CareySean Carey
57038
I modified your code and it seems to work now. I added a 'Player' layer to the player gameobject, then rewrote your script to the following:
using UnityEngine;
public class Enemy : MonoBehaviour
{
public int maxHealth = 40;
public float speed;
public float attackRange;
public float attackDelay;
public float chaseRange;
public float bulletForce;
private float lastAttackTime;
private float distanceToTarget;
public Transform target;
public GameObject projectile;
private Rigidbody2D rb2d;
private void Start()
{
rb2d = GetComponent<Rigidbody2D>();
}
private void FixedUpdate()
{
if (distanceToTarget < chaseRange)
{
Chase(target.position);
}
else
{
rb2d.velocity = Vector2.zero;
}
}
private void Update()
{
distanceToTarget = Vector3.Distance(transform.position, target.position);
if (distanceToTarget < attackRange)
{
if (Time.time > lastAttackTime + attackDelay)
{
RaycastHit2D Hit = Physics2D.Raycast(transform.position, transform.up, attackRange, 1 << LayerMask.NameToLayer("Player"));
if (Hit)
{
Fire();
lastAttackTime = Time.time;
}
}
}
}
private void Chase(Vector3 target)
{
Vector3 targetDir = target - transform.position;
float angle = Mathf.Atan2(targetDir.y, targetDir.x) * Mathf.Rad2Deg - 90f;
Quaternion q = Quaternion.AngleAxis(angle, Vector3.forward);
transform.rotation = Quaternion.RotateTowards(transform.rotation, q, 180);
rb2d.velocity = targetDir.normalized * speed;
}
private void Fire()
{
GameObject newBullet = Instantiate(projectile, transform.position, transform.rotation);
newBullet.GetComponent<Rigidbody2D>().AddForce(transform.up * bulletForce, ForceMode2D.Impulse);
}
}
First, if you have a rigidbody, use that instead of Transform.Translate. Second, make sure your raycast only applies to the Player layer.
Third, rather than
AddRelativeForce(new Vector2(0f, bulletForce));
use
AddForce(transform.up * bulletForce, ForceMode2D.Impulse);
Fourth, play around with the serialized values until you get the result you want. What I did was lower the enemy's speed and increase the bullet force. Let me know if you have any questions.
answered Dec 31 '18 at 0:06
Sean CareySean Carey
57038
edited Jan 1 at 23:50
answered Dec 31 '18 at 0:06
Sean CareySean Carey
57038
answered Dec 31 '18 at 0:06
Sean CareySean Carey
57038
answered Dec 31 '18 at 0:06
Sean CareySean Carey
57038
57038
thank you so much for your help, im confused at how else i can use the rigidbody instead of the transform.translate function?
– sam austin
Dec 31 '18 at 14:35
I wrote it in the code for you. It's inside the 'Chase' function: rb2d.velocity = targetDir.normalized * speed;
– Sean Carey
Dec 31 '18 at 19:35
youve been a great help its now working as intended thank you so much :)
– sam austin
Jan 1 at 15:26
add a comment |
thank you so much for your help, im confused at how else i can use the rigidbody instead of the transform.translate function?
– sam austin
Dec 31 '18 at 14:35
I wrote it in the code for you. It's inside the 'Chase' function: rb2d.velocity = targetDir.normalized * speed;
– Sean Carey
Dec 31 '18 at 19:35
youve been a great help its now working as intended thank you so much :)
– sam austin
Jan 1 at 15:26
thank you so much for your help, im confused at how else i can use the rigidbody instead of the transform.translate function?
– sam austin
Dec 31 '18 at 14:35
thank you so much for your help, im confused at how else i can use the rigidbody instead of the transform.translate function?
– sam austin
Dec 31 '18 at 14:35
I wrote it in the code for you. It's inside the 'Chase' function: rb2d.velocity = targetDir.normalized * speed;
– Sean Carey
Dec 31 '18 at 19:35
I wrote it in the code for you. It's inside the 'Chase' function: rb2d.velocity = targetDir.normalized * speed;
– Sean Carey
Dec 31 '18 at 19:35
youve been a great help its now working as intended thank you so much :)
– sam austin
Jan 1 at 15:26
youve been a great help its now working as intended thank you so much :)
– sam austin
Jan 1 at 15:26
add a comment |
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well the projectiles only seem to fire when the player comes into contact with the enemy and i want them to fire any distance, but also they are very slow.
– sam austin
Dec 30 '18 at 22:49