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Refactor BomberEnemy to support distinct explosion behaviors for proximity vs death triggers

This commit is contained in:
Brian Fertig 2026-03-07 18:08:45 -07:00
parent 303956ae4d
commit 802f11430c
1 changed files with 21 additions and 7 deletions
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28
js/entities/enemies/BomberEnemy.js
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@ -1,8 +1,10 @@
import { BaseEnemy } from './BaseEnemy.js'; import { BaseEnemy } from './BaseEnemy.js';
const EXPLODE_RADIUS = 180; // px — triggers explosion when this close to player const EXPLODE_RADIUS = 180; // px — triggers proximity explosion
const SHARD_COUNT = 8; const PROXIMITY_SHARD_PX = 250; // travel distance for proximity explosion
const SHARD_SPEED = 360; // px/s — travels ~250px over SHARD_DURATION const DEATH_SHARD_PX = 200; // travel distance for on-death explosion
const SHARD_COUNT = 8;
const SHARD_SPEED = 360; // px/s baseline (overridden per explosion type)
const SHARD_DAMAGE = 15; const SHARD_DAMAGE = 15;
const SHARD_DURATION = 700; // ms until shards disappear const SHARD_DURATION = 700; // ms until shards disappear
const SHARD_HIT_RADIUS = 18; // px — how close a shard must be to damage player const SHARD_HIT_RADIUS = 18; // px — how close a shard must be to damage player
@ -20,6 +22,7 @@ export class BomberEnemy extends BaseEnemy {
}); });
this._offsetAngle = Math.random() * Math.PI * 2; this._offsetAngle = Math.random() * Math.PI * 2;
this._wobble = 0.3 + Math.random() * 0.4; this._wobble = 0.3 + Math.random() * 0.4;
this._exploded = false;
} }
update(delta) { update(delta) {
@ -41,11 +44,22 @@ export class BomberEnemy extends BaseEnemy {
_triggerExplosion() { _triggerExplosion() {
if (this._dying) return; if (this._dying) return;
this._spawnShards(); this._exploded = true;
this._spawnShards(PROXIMITY_SHARD_PX);
this._die(); this._die();
} }
_spawnShards() { // Override _die so a bullet-killed Bomber still explodes (smaller radius).
_die() {
if (!this._exploded) {
this._exploded = true;
this._spawnShards(DEATH_SHARD_PX);
}
super._die();
}
_spawnShards(travelPx) {
const shardSpeed = travelPx / (SHARD_DURATION / 1000);
const scene = this.scene; const scene = this.scene;
const ox = this.x; const ox = this.x;
const oy = this.y; const oy = this.y;
@ -85,8 +99,8 @@ export class BomberEnemy extends BaseEnemy {
shards.push({ shards.push({
obj: tri, obj: tri,
vx: Math.cos(angle) * SHARD_SPEED, vx: Math.cos(angle) * shardSpeed,
vy: Math.sin(angle) * SHARD_SPEED, vy: Math.sin(angle) * shardSpeed,
rotSpeed: (Math.random() > 0.5 ? 1 : -1) * (6 + Math.random() * 6), // rad/s rotSpeed: (Math.random() > 0.5 ? 1 : -1) * (6 + Math.random() * 6), // rad/s
alive: true, alive: true,
}); });