Spaces:
Sleeping
Sleeping
File size: 2,371 Bytes
e4ffbe5 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 | /**
* @license
* SPDX-License-Identifier: Apache-2.0
*/
import { Vector3 } from "three";
import { Pilot, GroundTarget, Projectile, WeaponType, AmmoBelt } from "../types";
import { generateId } from "./math";
export class GroundDefenseSystem {
public static updateGroundDefense(
dt: number,
groundTargets: GroundTarget[],
pilots: Pilot[],
projectiles: Projectile[],
isMultiplayer: boolean,
isHost: boolean
) {
if (isMultiplayer && !isHost) {
return;
}
groundTargets.forEach(t => {
if (t.isDead || t.type !== "anti-air") return;
if (t.fireCooldown !== undefined) {
t.fireCooldown = Math.max(0, t.fireCooldown - dt);
if (t.fireCooldown <= 0) {
const opposingTeam = t.team === 1 ? 2 : 1;
const targetsInSky = pilots.filter(
p => p.team === opposingTeam && p.damage.fuselage > 0
);
let lockedPlane: Pilot | null = null;
let minDist = 1300;
targetsInSky.forEach(p => {
const d = new Vector3(t.x, t.y, t.z).distanceTo(
new Vector3(p.x, p.y, p.z)
);
if (d < minDist) {
minDist = d;
lockedPlane = p;
}
});
if (lockedPlane) {
this.spawnAABullet(t, lockedPlane, projectiles);
t.fireCooldown = 1.0 + Math.random() * 1.5;
}
}
}
});
groundTargets.forEach(t => {
if (t.isDead || t.type !== "convoy") return;
const spd = t.team === 1 ? 4.5 : -4.5;
t.x += spd * dt;
});
}
private static spawnAABullet(aa: GroundTarget, target: Pilot, projectiles: Projectile[]) {
const startPos = new Vector3(aa.x, aa.y + 6, aa.z);
const tarPos = new Vector3(
target.x,
target.y + (Math.random() - 0.5) * 50,
target.z
);
const dir = tarPos.clone().sub(startPos).normalize();
const bulletSpeed = 550;
const projectile: Projectile = {
id: generateId(),
ownerId: aa.id,
ownerTeam: aa.team,
type: WeaponType.MG_7_7,
belt: AmmoBelt.Tracer,
x: startPos.x,
y: startPos.y,
z: startPos.z,
vx: dir.x * bulletSpeed,
vy: dir.y * bulletSpeed,
vz: dir.z * bulletSpeed,
life: 2.5,
isRocket: false
};
projectiles.push(projectile);
}
}
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