173 lines
4.2 KiB
TypeScript
173 lines
4.2 KiB
TypeScript
import type { Group } from "@Model/Group";
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import { ObjectID } from "@Model/Model";
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/**
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* 群中的个体类型
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*/
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class Individual {
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/**
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* 计算向量长度
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* @param x x 坐标 | 向量
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* @param y y 坐标
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* @param z z 坐标
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*/
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public vectorLength(x: number[]): number;
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public vectorLength(x: number, y: number, z: number): number;
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public vectorLength(x: number | number[], y?: number, z?: number): number {
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if (Array.isArray(x)) {
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return ((x[0] ?? 0)**2 + (x[1] ?? 0)**2 + (x[2] ?? 0)**2)**.5;
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} else {
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return ((x ?? 0)**2 + (y ?? 0)**2 + (z ?? 0)**2)**.5;
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}
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}
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/**
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* 向量归一化
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* @param x x 坐标 | 向量
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* @param y y 坐标
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* @param z z 坐标
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*/
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public vectorNormalize(x: number[]): [number, number, number];
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public vectorNormalize(x: number, y: number, z: number): [number, number, number];
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public vectorNormalize(x: number | number[], y?: number, z?: number): [number, number, number] {
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let length = this.vectorLength(x as number, y as number, z as number);
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if (Array.isArray(x)) {
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return [
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(x[0] ?? 0) / length,
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(x[1] ?? 0) / length,
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(x[2] ?? 0) / length
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];
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} else {
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return [
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(x ?? 0) / length,
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(y ?? 0) / length,
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(z ?? 0) / length
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];
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}
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}
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/**
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* 坐标
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*/
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public position: number[] = [0, 0, 0];
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/**
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* 速度
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*/
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public velocity: number[] = [0, 0, 0];
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/**
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* 加速度
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*/
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public acceleration: number[] = [0, 0, 0];
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/**
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* 作用力
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*/
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public force: number[] = [0, 0, 0];
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/**
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* 施加力
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*/
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public applyForce(x: number[]): [number, number, number];
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public applyForce(x: number, y: number, z: number): [number, number, number];
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public applyForce(x: number | number[], y?: number, z?: number): [number, number, number] {
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if (Array.isArray(x)) {
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this.force[0] += x[0] ?? 0;
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this.force[1] += x[1] ?? 0;
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this.force[2] += x[2] ?? 0;
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} else {
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this.force[0] += x ?? 0;
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this.force[1] += y ?? 0;
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this.force[2] += z ?? 0;
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}
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return this.force as [number, number, number];
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}
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/**
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* 所属群组
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*/
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public group: Group | undefined;
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/**
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* 初始化
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*/
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public constructor(group: Group) {
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this.group = group;
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}
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public isDie(): boolean {
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return !!this.group;
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}
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/**
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* 死亡
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*/
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public die(): this {
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this.group?.remove(this);
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this.group = undefined;
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return this;
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}
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/**
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* 转移到新群体
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* @param newGroup 新群体
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*/
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public transfer(newGroup: Group): this {
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this.group?.remove(this);
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newGroup.add(this);
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this.group = newGroup;
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return this;
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}
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/**
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* 计算从此个体到目标位置的向量
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*/
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public vectorTo(position: Individual | number[]): [number, number, number] {
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if (position instanceof Individual) {
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return [
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position.position[0] - this.position[0],
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position.position[1] - this.position[1],
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position.position[2] - this.position[2]
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];
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} else {
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return [
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(position[0] ?? 0) - this.position[0],
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(position[1] ?? 0) - this.position[1],
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(position[2] ?? 0) - this.position[2]
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];
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}
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}
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/**
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* 计算与目标位置距离
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* @param position 目标位置
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*/
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public distanceTo(position: Individual | number[]): number {
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return this.vectorLength(this.vectorTo(position));
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}
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/**
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* 保存提供给 Behavior 使用的数据
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*/
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private metaData: Map<ObjectID, any> = new Map();
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/**
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* 获取元数据
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*/
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public getData<T = any>(key: ObjectID): T {
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return this.metaData.get(key);
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}
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/**
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* 设置元数据
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*/
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public setData<T = any>(key: ObjectID, value: T): T {
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this.metaData.set(key, value);
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return value;
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}
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}
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export default Individual;
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export { Individual }; |