Particle Physics made by Syharaa

import {Players, RunService, Workspace} from "@rbxts/services";

//Classes
class Particle{
    object: Frame;
    x_pos: number
    y_pos : number;
    prev_ypos: number;
    prev_xpos: number;
    bounce = 0.9;
    gravity = 0.4;
    constructor(Parent: undefined | Instance){
        this.object = new Instance("Frame");
        this.object.Parent = Parent;
        this.object.Size = new UDim2(new UDim(0, 10), new UDim(0, 10));
        this.object.BackgroundColor3 = new Color3(0, 0, 0);
        this.x_pos = 10;
        this.y_pos = 10;
        this.prev_xpos = 0;
        this.prev_ypos = 0;
    }

    updatePoint(){
        let vx = (this.x_pos - this.prev_xpos);
        let vy = (this.y_pos - this.prev_ypos);
        this.prev_xpos = this.x_pos;
        this.prev_ypos = this.y_pos;
        this.x_pos += vx;
        this.y_pos += vy;
        this.y_pos += this.gravity;

        if(this.x_pos > VIEWPORT_SIZE.X){
            this.x_pos = VIEWPORT_SIZE.X;
            this.prev_xpos = this.x_pos + (vx*this.bounce);
        }else if(this.x_pos < 1/60){
            this.prev_xpos = this.x_pos + (vx*this.bounce);
        }

        if (this.y_pos > VIEWPORT_SIZE.Y){
            this.y_pos = VIEWPORT_SIZE.Y ;
            this.prev_ypos = this.y_pos + (vy*this.bounce);
        }else if(this.y_pos < 1/60) {
            this.prev_ypos = this.y_pos + (vy*this.bounce);
        }
    }

    registerPont(){
        this.object.Position = new UDim2(new UDim(0, this.x_pos), new UDim(0, this.y_pos));
    }
}
//Objects
let player = Players.LocalPlayer;
let camera = Workspace.CurrentCamera;
let main_ui: ScreenGui | undefined = player.WaitForChild("PlayerGui").WaitForChild<ScreenGui>("Main");
let frame: Instance | undefined = main_ui!.FindFirstChild("Frame");
let particle = new Particle(frame);

//Constants
const VIEWPORT_SIZE = camera!.ViewportSize;

//Functions
function update(){
    particle.updatePoint();
    particle.registerPont();
}

function sortOrderIn(Object: Instance[]){
    Object.forEach((element, index, array) => {
        element.Name = `Particle_${index+1}`;
    });

}
//Events
RunService.RenderStepped.Connect(update);
sortOrderIn(frame!.GetChildren());


export {};