97 lines
3.0 KiB
C#
97 lines
3.0 KiB
C#
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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public class Projectile : MonoBehaviour
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{
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private float disappearAfterTime = 3;
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private float disappearTimer = 0;
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private bool isActive = false;
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// private MeshRenderer meshRenderer;
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private Vector3 direction;
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private Vector3 startPosition;
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private float movementSpeed = 1;
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private Vector3 targetPosition;
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private float distanceToTarget;
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private float movementValue;
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// Use this for initialization
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void Start ()
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{
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// We cache this for performance reasons, GetComponent is slow to do realtime
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// meshRenderer = GetComponent<MeshRenderer>();
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// meshRenderer = GetComponent<MeshRenderer>();
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}
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// Update is called once per frame
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void Update () {
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if (isActive) // Only update stuff if we're alive
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{
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disappearTimer += Time.deltaTime; // Increase disappear timer
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if (disappearTimer > disappearAfterTime) // If we're alive too long, get rekt
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{
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disappearTimer = 0; // Reset timer
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isActive = false; // Is not active anymore
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// meshRenderer.enabled = false; // Disable meshrender so it's invisible
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}
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// 1/distanceToTarget is the calculation to move 1 unit per second, movementspeed defines how many units per second you want to move
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movementValue += (1/distanceToTarget*movementSpeed) * Time.deltaTime;
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if (movementValue > 1)
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{
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movementValue = 1;
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Explode();
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}
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Move();
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}
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}
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void Move()
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{
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// lerp goes from 0 to 1, 0 is startPosition, 1 is the targets position;
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transform.position = Vector3.Lerp(startPosition, targetPosition, movementValue);
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}
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void MoveWithoutTargetHit()
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{
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transform.position += direction.normalized * movementSpeed;
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}
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public void Fire(Vector3 target, Vector3 spawnPosition, Vector3 Direction, float speed)
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{
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if (isActive) // If we're active, just return so we don't execute any code
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return;
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isActive = true; // Set active
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disappearTimer = 0; // Reset timer just in case it's not reset
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transform.position = spawnPosition; // set spawn position
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// meshRenderer.enabled = true; // Enable meshrender so it's visible
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movementSpeed = speed; // Units per second
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direction = Direction.normalized; // Normalize the direction
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targetPosition = target; // Set target transform - Can be null for continous movement without target
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distanceToTarget = Vector3.Distance(targetPosition, transform.position);
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startPosition = spawnPosition;
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movementValue = 0;
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}
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// It gets here after it hits something
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void Explode()
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{
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disappearTimer = 0; // Reset timer
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isActive = false; // Is not active anymore
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// meshRenderer.enabled = false; // Disable meshrender so it's invisible
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}
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public bool GetIsActive()
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{
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return isActive;
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}
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}
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