/// <summary>
/// 目标刚体的表现逻辑：如扣血以及坦克被弹开
/// other Entity have two type: TargetableObject or Bullet
/// </summary>
/// <param name="entity">Targetable entity component, such as Tank entity</param>
/// <param name="other">entity component, such as bullet entity</param>
public static void PerformCollision(TargetableObject entity, Entity other, object userData)
{
if (entity == null || other == null)
{
return;
}
/* if other entity is targetable entity */
TargetableObject target = other as TargetableObject;
if (target != null)
{
ImpactData entityImpactData = entity.GetImpactData();
ImpactData targetImpactData = target.GetImpactData();
if (GetRelation(entityImpactData.Camp, targetImpactData.Camp) == RelationType.Friendly)
{
return;
}
float entityDamageHP = CalcDamageHP(targetImpactData.Attack, entityImpactData.Defense);
float targetDamageHP = CalcDamageHP(entityImpactData.Attack, targetImpactData.Defense);
float delta = Mathf.Min(entityImpactData.HP - entityDamageHP, targetImpactData.HP - targetDamageHP);
if (delta > 0)
{
entityDamageHP += delta;
targetDamageHP += delta;
}
entity.ApplyDamage(target, entityDamageHP);
target.ApplyDamage(entity, targetDamageHP);
return;
}
/* if other entity is only a entity */
Bullet bullet = other as Bullet;
BulletData bulletData = userData as BulletData;
if (bullet != null)
{
ImpactData entityImpactData = entity.GetImpactData(); // get tank impact data
ImpactData bulletImpactData = bullet.GetImpactData(); // get bullet impact data
// Block the damage of the same camp 自己发射的子弹，屏蔽其伤害
//if (GetRelation(entityImpactData.Camp, bulletImpactData.Camp) == RelationType.Friendly) {
// return;
//}
int entityDamageHP = CalcDamageHP(bulletImpactData.Attack, entityImpactData.Defense); // the bullet of attack value, and the tank of defense value.
float bulletDamageHP = GetRelativeDistance(entity, bullet, bulletData) * entityDamageHP;
//Debug.Log("entityDamageHP : " + bulletDamageHP);
entity.ApplyDamage(bullet, bulletDamageHP);
//GameEntry.Entity.HideEntity(bullet);
return;
}
}
/// <summary>
/// get the two entity relative distance
/// </summary>
public static float GetRelativeDistance(Entity fromEntity, Entity toEntity, object userData)
{
// get the two entity distance, example: the shell to the Tank Distance.
float explosionDistance = GetDistance(fromEntity, toEntity);
BulletData bulletData = userData as BulletData;
if (bulletData != null)
{
return((bulletData.ExplosionRadius - explosionDistance) / bulletData.ExplosionRadius);
}
return(-1);
}
// 对象池中的Bullt对象，只要被复用时，都会重新执行OnShow方法。
protected override void OnShow(object userData)
{
base.OnShow(userData);
//Debug.Log(System.Reflection.MethodBase.GetCurrentMethod().Name);
m_BulletData = userData as BulletData;
if (m_BulletData == null)
{
Log.Error("Bullet data is invalid.");
return;
}
// 每次复用Bullet对象时刷新炮弹的发射速率，而炮弹发射的position和rotation已经在show bullet的时候，进行初始化了。
GetComponent <Rigidbody>().velocity = m_BulletData.Velocity;
}
public static void ShowBullet(this EntityComponent entityCompoennt, BulletData data)
{
entityCompoennt.ShowEntity(typeof(Bullet), "Bullet", Constant.AssetPriority.BulletAsset, data);
}