// When destroying walls some colliders are left behind. Fix should be incoming:
// https://github.com/Unity-Technologies/2d-extras/issues/34
public void TriggerExplosion(Vector3 worldPosition, float worldRadius, bool damageWallsOnly = true, IEnemy explosionSource = null, bool damageSelf = true)
{
int tilesChecked = MapUtil.ClearCircle(this, mapStyle_, worldPosition, worldRadius);
WallCompositeCollider.generationType = CompositeCollider2D.GenerationType.Manual;
int tilesCleared = 0;
for (int i = 0; i < tilesChecked; ++i)
{
bool wasDestroyed = MapUtil.LatestResultFlags[i];
if (wasDestroyed)
{
tilesCleared++;
}
if (wasDestroyed || !damageWallsOnly)
{
var tile = MapUtil.LatestResultPositions[i];
// Show effect a bit above wall tile center since they also have a top
const float EffectOffset = 0.5f;
var tileWorldPos = WallTileMap.GetCellCenterWorld(tile) + Vector3.up * EffectOffset;
ParticleScript.EmitAtPosition(SceneGlobals.Instance.ParticleScript.AnimatedFireParticles, tileWorldPos, 3);
}
}
if (!damageWallsOnly)
{
var player = PlayableCharacters.GetPlayerInScene();
var playerPos = player.GetPosition();
float playerDistanceFromExplosion = (worldPosition - playerPos).magnitude;
bool damagePlayer = playerDistanceFromExplosion < worldRadius * 0.8f;
if (damagePlayer)
{
player.TakeDamage(explosionSource, CurrentRunData.Instance.PlayerExplosionDamage, Vector3.zero);
}
int mask = SceneGlobals.Instance.EnemyDeadOrAliveMask;
int count = Physics2D.OverlapCircleNonAlloc(worldPosition, worldRadius * 0.9f, TempColliderResult, mask);
for (int i = 0; i < count; ++i)
{
var enemyGO = TempColliderResult[i];
var enemy = enemyGO.GetComponent <IEnemy>();
bool isSelf = enemy == explosionSource;
bool skipDueToSelfDamage = isSelf && !damageSelf;
if (enemy != null && !skipDueToSelfDamage)
{
var diff = enemyGO.transform.position - worldPosition;
var direction = diff.normalized;
enemy.TakeDamage(ExplosionDamageToEnemies, direction * 1.5f);
}
}
}
SceneGlobals.Instance.AudioManager.PlaySfxClip(SceneGlobals.Instance.AudioManager.AudioClips.LargeExplosion1, 1, 0.1f);
SceneGlobals.Instance.CameraShake.SetMinimumShake(1.0f);
WallCompositeCollider.generationType = CompositeCollider2D.GenerationType.Synchronous;
TilemapCollider.enabled = false;
TilemapCollider.enabled = true;
}
