Gbiner_local

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Gbiner_local / 数学方法

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三维向量的一些计算方法等
1 export class MathTool {
2
3
4 /**计算两个3维向量是否平行 */
5 static isParallel(v1: Vector, v2: Vector): boolean {
6 let v1x = v1.x;
7 let v1y = v1.y;
8 let v1z = v1.z;
9 let v2x = v2.x;
10 let v2y = v2.y;

Gbiner_local / 贝塞尔曲线插值函数

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Zuletzt aktiv 1702450319
贝塞尔插值函数应用
1 export class BezierTool{
2 // 多维二次贝塞尔曲线插值函数
3 public static Bezier2D(t: number, start:Vector2, end:Vector2 ,control:Vector2): Vector2 {
4 let x = (1 - t) * (1 - t) * start.x + 2 * t * (1 - t) * control.x + t * t * end.x;
5 let y = (1 - t) * (1 - t) * start.y + 2 * t * (1 - t) * control.y + t * t * end.y;
6 return new Vector2(x, y);
7 }
8
9 // 多维三次贝塞尔曲线插值函数
10 public static Bezier3D(t: number, start:Vector2, end:Vector2 ,control1:Vector2,control2:Vector2): Vector2 {

Gbiner_local / EventBus

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Zuletzt aktiv 1702450140
Base on Typescript的EventBus
1 type Callback = (...args: any[]) => void | Promise<void>;
2
3 export class EventBus {
4 private static listeners = new Map<string, Callback[]>();
5 private static onceListeners = new Map<string, Callback[]>();
6
7 /**
8 * 为指定事件注册一个回调，该回调将在每次触发时调用
9 * @param event
10 * @param callback

Gbiner_local / 地面四叉树

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Zuletzt aktiv 1702450170
Typescript实现得地面四叉树
1 const CELLSIZE = 50;
2
3 // 四叉树
4 export class QuadTreeNode<T> {
5 private _x: number;
6 private _y: number;
7 private _width: number;
8 private _height: number;
9 private _children: QuadTreeNode<T>[] | null;
10 private _value: T | null;
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