91 lines
No EOL
2 KiB
JavaScript
91 lines
No EOL
2 KiB
JavaScript
const crypto = (typeof window === 'undefined') ? await import('node:crypto') : crypto;
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function distF(ent, target) {
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return ((ent.pos.x - target.pos.x) ** 2) + ((ent.pos.y - target.pos.y) ** 2)
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}
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function uuidv4() {
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return "#000000-000000".replace(/[018]/g, c =>
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(+c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> +c / 4).toString(16)
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);
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}
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function Player(you, isPlayer) {
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let pos = { x: Math.random() * 1000 - 50, y: Math.random() * 1000 - 50 };
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let camera = { x: -pos.x, y: -pos.y };
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let vel = { x: 0, y: 0 };
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this.camera = camera;
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this.pos = pos;
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this.vel = vel;
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this.rot = 0;
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this.dir = 1;
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this.ticks = 0;
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this.health = 100;
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this.you = you || uuidv4();
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this.isPlayer = isPlayer;
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this.headCount = 0;
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}
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Player.prototype.bump = function () {
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let player = this;
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if (player.ticks < 10) {
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player.dir *= -1;
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}
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player.vel.x *= 0.3;
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player.vel.y *= 0.3;
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player.vel.x += Math.sin(player.rot) * 12;
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player.vel.y -= Math.cos(player.rot) * 12;
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player.ticks = 0;
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}
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Player.prototype.handleTick = function (game) {
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let { entities } = game;
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let ent = this;
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if (ent.health <= 0) return;
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ent.pos.x += ent.vel.x;
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ent.pos.y += ent.vel.y;
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ent.vel.x *= 0.9;
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ent.vel.y *= 0.9;
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ent.rot += 0.03 * ent.dir;
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ent.rot = ent.rot % (Math.PI * 10);
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ent.camera.x = -ent.pos.x * 0.1 + ent.camera.x * 0.9;
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ent.camera.y = -ent.pos.y * 0.1 + ent.camera.y * 0.9;
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ent.ticks++;
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for (let target of entities) {
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if (target.you == ent.you) continue;
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let dist = distF(ent, target);
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let dp = (Math.sin(ent.rot) * (ent.pos.x - target.pos.x))
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- (Math.cos(ent.rot) * (ent.pos.y - target.pos.y));
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dp /= Math.sqrt(dist + 0.1);
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if (Math.sqrt(dist) < 128 && 1 / dp < -0.2) {
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target.health--;
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if (target.health == 0) {
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ent.headCount++;
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}
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}
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}
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}
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export default Player; |