private void DetonateExplosion(ExplosionSpec spec, Vector3 origin)
{
double adjustedRadius = spec.Radius * spec.Density;
int numExplosions = (int)Math.Ceiling(2.0 / 3.0 * Math.Pow(adjustedRadius, 3) * Math.PI);
float speed = Math.Max(spec.Speed, 0.1f);
float stepDuration = spec.Radius / speed / numExplosions;
float stepDistance = spec.Radius / numExplosions;
float rocketTravelTime = 0.3f;
for (int i = 0; i < numExplosions; i++)
{
var stepStartTime = stepDuration * i;
var stepEndTime = stepDuration * (i + 1);
var stepStartDistance = stepDistance * i;
var stepEndDistance = stepDistance * (i + 1);
timer.Once(Core.Random.Range(stepStartTime, stepEndTime), () =>
{
var rocketDistance = Core.Random.Range(stepStartDistance, stepEndDistance);
var rocketSpeed = rocketDistance / rocketTravelTime;
var rocketVector = MakeRandomDomeVector();
var skipDistance = rocketVector.normalized * 1f;
rocketVector *= rocketSpeed;
FireRocket(PrefabExplosiveRocket, origin + skipDistance, rocketVector, rocketTravelTime, spec.BlastRadiusMult, spec.DamageMult);
});
}
}
private bool GetExplosionCollision(ExplosionSpec spec, GameObject player, Vector3 position)
{
var playerPosition = new Vector2(player.transform.position.x, player.transform.position.y);
var explosionPosition = new Vector2(position.x, position.y);
var distance = Vector2.Distance(playerPosition, explosionPosition);
if (distance <= spec._range)
{
return(true);
}
return(false);
}
public void Init(ExplosionType explosionType, GameObject player, GameObject enemy, int damageRatio)
{
#region SPEC LOAD
if (_explosionTypeToSpecPath.ContainsKey(explosionType) == false)
{
Debug.LogAssertionFormat("Invalid Dictionay Data Path - {0]", explosionType);
return;
}
var path = _explosionTypeToSpecPath[explosionType];
var text = Resources.Load <TextAsset>(path).text;
_spec = ExplosionSpec.CreateFromText(text);
#endregion
#region MAKE EFFECT
_explosion = Instantiate(Resources.Load(_spec._prefabPath)) as GameObject;
_explosion.transform.position = this.transform.position;
_explosion.transform.SetParent(this.transform);
#endregion
#region COLLISION DETECT
var damage = (int)(_spec._minDamage + (_spec._maxDamage - _spec._minDamage) * damageRatio / 100);
if (GetExplosionCollision(_spec, player, this.transform.position))
{
player.GetComponent <Player>().Damaged(damage);
}
if (GetExplosionCollision(_spec, enemy, this.transform.position))
{
enemy.GetComponent <Player>().Damaged(damage);
}
#endregion
#region DELETE SELF
Destroy(this.gameObject, 3f);
#endregion
}
private IEnumerator ExplosionCoroutine(ExplosionSpec spec, Vector3 origin)
{
float rocketTravelTime = 0.3f;
double totalTime = spec.Radius / spec.Speed;
int numExplosions = (int)Math.Ceiling(spec.DensityCoefficient * Math.Pow(spec.Radius, spec.DensityExponent));
float timeElapsed = 0;
double prevDistance = 0;
FireRocket(PrefabExplosiveRocket, origin, Vector3.forward, 0, spec.BlastRadiusMult, spec.DamageMult);
for (var i = 1; i <= numExplosions; i++)
{
if (_pluginUnloaded)
{
yield break;
}
double timeFraction = timeElapsed / totalTime;
double stepDistance = spec.Radius * timeFraction;
double stepStartDistance = prevDistance;
double stepEndDistance = stepDistance;
double rocketDistance = Core.Random.Range(stepStartDistance, stepEndDistance);
double rocketSpeed = rocketDistance / rocketTravelTime;
Vector3 rocketVector = MakeRandomDomeVector();
// Skip over some space to reduce the frequency of rockets colliding with each other.
Vector3 skipDistance = rocketVector;
rocketVector *= Convert.ToSingle(rocketSpeed);
FireRocket(PrefabExplosiveRocket, origin + skipDistance, rocketVector + skipDistance, rocketTravelTime, spec.BlastRadiusMult, spec.DamageMult);
float timeToNext = Convert.ToSingle(Math.Pow(i / spec.DensityCoefficient, 1.0 / spec.DensityExponent) / spec.Speed - timeElapsed);
yield return(new WaitForSeconds(timeToNext));
prevDistance = stepDistance;
timeElapsed += timeToNext;
}
}
private void DetonateExplosion(ExplosionSpec spec, Vector3 origin) => ServerMgr.Instance.StartCoroutine(ExplosionCoroutine(spec, origin));
