using ActionGameFramework.Health;
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using ActionGameFramework.Helpers;
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using ActionGameFramework.Projectiles;
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using UnityEngine;
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namespace TowerDefense.Towers.TowerLaunchers
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{
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/// <summary>
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/// An implementation of ILauncher that firest homing missiles
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/// </summary>
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public class HomingLauncher : Launcher
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{
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public ParticleSystem fireParticleSystem;
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/// <summary>
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/// Launches homing missile at a target from a starting position
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/// </summary>
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/// <param name="enemy">
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/// The enemy to attack
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/// </param>
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/// <param name="attack">
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/// The projectile used to attack
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/// </param>
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/// <param name="firingPoint">
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/// The point the projectile is being fired from
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/// </param>
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public override void Launch(Targetable enemy, GameObject attack, Transform firingPoint,int idx = 0)
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{
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var homingMissile = attack.GetComponent<HomingLinearProjectile>();
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if (homingMissile == null)
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{
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Debug.LogError("No HomingLinearProjectile attached to attack object");
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return;
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}
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Vector3 startingPoint = firingPoint.position;
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Vector3 targetPoint = Ballistics.CalculateLinearLeadingTargetPoint(
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startingPoint, enemy.position,
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enemy.velocity, homingMissile.startSpeed,
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homingMissile.acceleration);
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homingMissile.SetHomingTarget(enemy);
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homingMissile.FireAtPoint(startingPoint, targetPoint);
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PlayParticles(fireParticleSystem, startingPoint, targetPoint);
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}
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}
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}
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