курсовая работа / engine / game_objects / GameObject

import { rad, Vec } from "../../core";

export class GameObject {
/** @type {Vec} */
pos;
/** @type {Vec} */
rot;
/** @type {Vec} */
size;
/** @type {ObjectTypes} */
type;
/** @type {TileSetObject} */
tsObj;
/** @type {any} */
props;
/** @type {Vec} */
velocity = new Vec();
/** @type {Shape} */
shape;
/** @type {boolean} */
solid;

/** @param {TileSetObject} tsObj
* @param {any} obj */
constructor(obj, tsObj) {
this.size = new Vec(obj.width, obj.height);
this.rot = Vec.fromAngle(rad(obj.rotation));
this.pos = new Vec(obj.x, obj.y).add(
this.size.mult(0.5).rot(rad(obj.rotation - 90))
);
this.tsObj = tsObj;
this.props = { ...tsObj.props };
this.type = this.props.type;
this.solid = this.props.solid;
}

/** @param{CanvasRenderingContext2D} ctx */
draw(ctx) {
ctx.save();
ctx.transform(
...this.rot.flat(),
-this.rot.y,
this.rot.x,
...this.pos.flat()
);
ctx.drawImage(
this.tsObj.sprite,
...this.size.mult(-0.5).flat(),
...this.size.flat()
);
ctx.restore();
}

/** @param {Vec} dot
* @param {number} range
* @returns {boolean} */
isNear(dot, range) {
return this.pos.range(dot) < range;
}

/** @param {Vec} velocity */
move(velocity) {
this.velocity = velocity;
}

/** @param {Vec} rot */
rotate(rot) {
this.rot = rot;
}

/** @param {Engine} engine */
update(engine) {
if (this.solid && this.props.hp !== undefined && this.props.hp <= 0)
engine.destroy(this);

this.pos = this.pos.add(this.velocity);
}

/** @param {Engine} engine
* @param {number} value */
receiveDamage(engine, value) {
if (this.props?.hp) {
this.props.hp -= value;
engine.playSound(engine.sm.sounds.punch, this.pos);
}
}
}