74 lines
1.8 KiB
JavaScript
74 lines
1.8 KiB
JavaScript
import * as THREE from 'three'
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export default class Entity {
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id = crypto.randomUUID()
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speed = 400
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#dest = null
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#game = null
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#mesh = null
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constructor(...options) {
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Object.entries(options).forEach((value, key) => this[key] = value)
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const geometry = new THREE.CircleGeometry(options.radius ?? 0)
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this.#mesh = new THREE.Mesh(geometry)
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}
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get game() { return this.#game }
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get mesh() { return this.#mesh }
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get pos() { return this.#mesh.position }
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get radius() { return this.#mesh.userData.radius }
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get x() { return this.#mesh.position.x }
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get y() { return this.#mesh.position.y }
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set game(value) { this.#game = value }
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set x(value) { this.#mesh.position.x = value }
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set y(value) { this.#mesh.position.y = value }
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set radius(value) {
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this.#mesh.geometry = new THREE.CircleGeometry(value)
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this.#mesh.userData.radius = value
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}
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moveAction(x, y) {
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this.#dest = new THREE.Vector3(x, y, 0)
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}
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state() {
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return {
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...this,
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pos: {
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x: this.x,
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y: this.y,
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},
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radius: this.radius,
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}
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}
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teleport(x, y) {
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this.#mesh.position.set(x, y, 0)
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}
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takeStep() {
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const speed = this.speed / (this.game?.tickBudget ?? 1000)
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if (this.#dest != null) {
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const fixedDest = new THREE.Vector3(
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Math.min(Math.max(this.radius, this.#dest.x), this.game?.height ?? Infinity),
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Math.min(Math.max(this.radius, this.#dest.y), this.game?.height ?? Infinity),
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0,
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)
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this.pos.add(fixedDest.clone().sub(this.pos).normalize().multiplyScalar(speed))
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if (this.pos.clone().sub(fixedDest).length() <= speed) {
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this.pos.copy(fixedDest)
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this.#dest = null
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}
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}
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}
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async update() {
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await Promise.allSettled([
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this.takeStep(),
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])
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}
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}
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