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add enemy forget target once range is too large

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This commit is contained in:
Matthieu Jolimaitre 2024-04-10 03:26:47 +02:00
parent c04c7b725f
commit 5da4bcc64e
1 changed files with 12 additions and 5 deletions
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17
server/entities/enemy.ts
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@ -25,9 +25,9 @@ export class CompEnemy {
return pos.pos;
}
find_target_from(engine: Engine, pos: Vec2) {
const RANGE = v2(2, 2);
const found = engine.one(Query.with(CompPlayer).with(CompId).and(query_in_rect(pos.sub(RANGE), pos.add(RANGE))));
find_target_from(engine: Engine, pos: Vec2, range: number) {
const radius = v2(range, range);
const found = engine.one(Query.with(CompPlayer).with(CompId).and(query_in_rect(pos.sub(radius), pos.add(radius))));
if (found === null) return this.target = null;
const [_, id, __] = found;
return this.target = id.id;
@ -49,12 +49,19 @@ export function sys_spawn_enemy(pos: Vec2) {
export function sys_update_enemy() {
return (engine: Engine) => {
for (const [enemy, enemy_pos] of engine.all(Query.with(CompEnemy).with(CompPos))) {
if (enemy.target === null) enemy.find_target_from(engine, enemy_pos.pos);
if (enemy.target === null) enemy.find_target_from(engine, enemy_pos.pos, 3);
if (enemy.target === null) continue;
const pos = enemy.get_target_pos(engine);
assert(pos !== null);
const direction = pos.sub(enemy_pos.pos);
enemy_pos.move_collide(engine, direction.normalize());
if (direction.len() <= 5) {
const displacement = direction.normalize();
const moved = enemy_pos.move_collide(engine, displacement);
if (!moved) {
enemy_pos.move_collide(engine, v2(displacement.x(), 0));
enemy_pos.move_collide(engine, v2(0, displacement.y()));
}
} else enemy.target = null;
}
};
}