קורס תכנות משחקים – webgl – שיעור שישי – לוגיקת סיבוב המטבע וקצת GUI

import React, { Component } from 'react';
import * as THREE from 'three';
import side1 from './side1.png';
import side2 from './side2.png';

class Coin extends Component {
    constructor(props) {
        super(props);
        this.state = {
            textureSide1: new THREE.TextureLoader().load(side1),
            textureSide2: new THREE.TextureLoader().load(side2)
        };
        this.camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 1, 1000);
        this.scene = new THREE.Scene();
        this.renderer = null;
        this.cylinder = null;
        this.canvasRef = React.createRef();

    }

    initialObj() {
        this.camera.position.z = 200;
        this.renderer = new THREE.WebGLRenderer({
            canvas: this.canvasRef.current,
            alpha: true
        });

        this.renderer.setPixelRatio(window.devicePixelRatio);
        this.renderer.setSize(window.innerWidth, window.innerHeight);
    }

    componentDidMount() {
        this.initialObj();
        this.addLights();
        this.createShape();
        
    }
    componentDidUpdate(){
        if(this.props.play)
        this.animate();
    }
    
    createShape() {
        const geometry = new THREE.CylinderGeometry(10, 10, 1, 100);
        const material = new THREE.MeshStandardMaterial({
            map: this.state.textureSide1,
            color: 0xFFD700,
            metalness: 0.3,
            roughness: 0.3
        })

        this.cylinder = new THREE.Mesh(geometry, material);
        this.cylinder.rotation.x = Math.PI / 2;
        this.cylinder.rotation.y = Math.PI / 2;
        this.scene.add(this.cylinder);
    }

    addLights() {
        this.scene.add(new THREE.AmbientLight(0xffffff))

        // Left point light
        const pointLightLeft = new THREE.PointLight(0xff4422, 1)
        pointLightLeft.position.set(-20,-10,10)
        this.scene.add(pointLightLeft)
      
        // Right point light
        const pointLightRight = new THREE.PointLight(0x44ff88, 1)
        pointLightRight.position.set(20,10,10)
        this.scene.add(pointLightRight)
      
        // Top point light
        const pointLightTop = new THREE.PointLight(0xdd3311, 1)
        pointLightTop.position.set(0,3,2)
        this.scene.add(pointLightTop);
    }

    animate() {
        let frames = 0;
        let limit = this.props.rand;
        let spinsCount = 0;
        const spininngCoin = setInterval(() => {
            frames++;
            if (frames % limit === 0) {
                clearInterval(spininngCoin);
                this.props.setGame(false);
                if (spinsCount % 2) {
                    this.cylinder.rotation.x = Math.PI / 2 + Math.PI;
                    this.props.result('bitcoin');
                } else {
                    this.cylinder.rotation.x = Math.PI / 2;
                    this.props.result('codcodile');

                }
            }
            if (frames < limit / 2) {
                this.camera.position.z -= 0.1;
            } else {
                this.camera.position.z += 0.1;
            }
            spinsCount = ~~(this.cylinder.rotation.x / Math.PI);
            if (spinsCount % 2) {
                this.cylinder.material.map = this.state.textureSide1;
            } else {
                this.cylinder.material.map = this.state.textureSide2;
            }
            this.cylinder.rotation.x += 0.025 * Math.PI;
            this.renderer.render(this.scene, this.camera);
        });

    }

    render() {
        return (
            <canvas ref={this.canvasRef} className="canvasClass"></canvas>
        )
    }
}

export default Coin;

import React, {useState} from "react";
import Coin from "./coin";
import './App.css';
import useRandom from './useRandom'

function App() {

  const [isPlay, playGame] = useState(false);
  const [result, setResult] = useState('');
  const {randNum} = useRandom(0);

  return (
    <div className="App">
      <Coin play={isPlay} setGame={playGame} result={setResult} rand={randNum} />
      <div className={"controls-container " + (isPlay ?  "bottom-pos" : null)}>
       {!isPlay && <div className="content-for-game">
       {/* {!result && <img src={side} alt="coin image" />} */}
        <h1>{result ? 'You Have Got : ' + result : 'Play Toss Up Now!'}</h1>
       </div>}
      <button className="button-77" disabled={isPlay} onClick={()=>playGame(!isPlay)}>Toss Up!</button>
    </div>
    
    </div>

   
  );
}

export default App;

 function useRandom() {
    const randNum = Math.floor(Math.random() * (1000 - 500) + 500);
    return {randNum};
}
export default useRandom;

.App{
  width: 100%;
  height: 100%;
  background-image: url('./deck.jpg');
  background-repeat: no-repeat;
  background-size: cover;
  
}

.canvasClass
{
  width: 100%;
  height: 100%;
  background-color: #00000080;
}

.controls-container

{
  text-align: center;
  position: absolute;
  top: 70%;
  left: 50%;
  transform: translate(-50% , -50%);
}

.controls-container h1 {
  font-size: 40px;
  font-weight: bold;
  color: #fff;
}


/* CSS */
.button-77 {
  align-items: center;
  appearance: none;
  background-clip: padding-box;
  background-color: initial;
  background-image: none;
  border-style: none;
  box-sizing: border-box;
  color: #fff;
  cursor: pointer;
  display: inline-block;
  flex-direction: row;
  flex-shrink: 0;
  font-family: Eina01,sans-serif;
  font-size: 16px;
  font-weight: 800;
  justify-content: center;
  line-height: 24px;
  margin: 0;
  min-height: 64px;
  outline: none;
  overflow: visible;
  padding: 19px 26px;
  pointer-events: auto;
  position: relative;
  text-align: center;
  text-decoration: none;
  text-transform: none;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  vertical-align: middle;
  width: auto;
  word-break: keep-all;
  z-index: 0;
}

@media (min-width: 768px) {
  .button-77 {
    padding: 19px 32px;
  }
}

.button-77:before,
.button-77:after {
  border-radius: 80px;
}

.button-77:before {
  background-color: rgba(249, 58, 19, .32);
  content: "";
  display: block;
  height: 100%;
  left: 0;
  overflow: hidden;
  position: absolute;
  top: 0;
  width: 100%;
  z-index: -2;
}

.button-77:after {
  background-color: initial;
  background-image: linear-gradient(92.83deg, #ff7426 0, #f93a13 100%);
  bottom: 4px;
  content: "";
  display: block;
  left: 4px;
  overflow: hidden;
  position: absolute;
  right: 4px;
  top: 4px;
  transition: all 100ms ease-out;
  z-index: -1;
}

.button-77:hover:not(:disabled):after {
  bottom: 0;
  left: 0;
  right: 0;
  top: 0;
  transition-timing-function: ease-in;
}

.button-77:active:not(:disabled) {
  color: #ccc;
}

.button-77:active:not(:disabled):after {
  background-image: linear-gradient(0deg, rgba(0, 0, 0, .2), rgba(0, 0, 0, .2)), linear-gradient(92.83deg, #ff7426 0, #f93a13 100%);
  bottom: 4px;
  left: 4px;
  right: 4px;
  top: 4px;
}

.button-77:disabled {
  cursor: default;
  opacity: .24;
}