using UnityEngine;
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using TowerDefense.Towers.Projectiles;
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using TowerDefense.Agents;
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using ActionGameFramework.Projectiles;
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namespace ActionGameFramework.Health
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{
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/// <summary>
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/// Damage collider - a collider based implementation of DamageZone
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/// </summary>
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[RequireComponent(typeof(Collider))]
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public class DamageCollider : DamageZone
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{
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/// <summary>
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/// On collision enter, see if the colliding object has a Damager and then make the damageableBehaviour take damage
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/// </summary>
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/// <param name="c">The collider</param>
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protected void OnCollisionEnter(Collision c)
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{
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var damager = c.gameObject.GetComponent<Damager>();
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if (damager == null)
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{
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return;
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}
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// 非Agent不参与碰撞:
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var agent = this.gameObject.GetComponent<Agent>();
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if (agent == null)
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return;
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LazyLoad();
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BallisticAttack ballisticAttack = damager.GetComponent<BallisticAttack>();
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Vector3 collisionPosition = ConvertContactsToPosition(c.contacts);
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ballisticAttack.DealDamage((Targetable)damageableBehaviour);
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damager.HasDamaged(collisionPosition, damageableBehaviour.configuration.alignmentProvider);
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}
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protected void OnTriggerEnter(Collider c)
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{
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var damager = c.gameObject.GetComponent<Damager>();
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if (damager == null)
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{
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return;
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}
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// 非Projectile不参与此次的碰撞
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var projec = c.gameObject.GetComponent<IProjectile>();
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if (projec == null)
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return;
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// 非Agent不参与碰撞:
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var agent = this.gameObject.GetComponent<Agent>();
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if (agent == null || agent.isDead)
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return;
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BallisticProjectile ballistic = c.gameObject.GetComponent<BallisticProjectile>();
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LazyLoad();
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BallisticAttack ballisticAttack = damager.GetComponent<BallisticAttack>();
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ballisticAttack.DealDamage((Targetable)damageableBehaviour, damager);
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damager.HasDamaged(c.transform.position, damageableBehaviour.configuration.alignmentProvider);
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}
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/// <summary>
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/// Averages the contacts to get the position.
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/// </summary>
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/// <returns>The average position.</returns>
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/// <param name="contacts">Contacts.</param>
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protected Vector3 ConvertContactsToPosition(ContactPoint[] contacts)
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{
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Vector3 output = Vector3.zero;
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int length = contacts.Length;
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if (length == 0)
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{
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return output;
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}
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for (int i = 0; i < length; i++)
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{
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output += contacts[i].point;
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}
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output = output / length;
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return output;
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}
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}
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}
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