Method constructor

static/vision.js:3–22

(canvasId)

// 科技感视觉识别系统
class VisionSystem {
  constructor(canvasId) {
    this.canvas = document.getElementById(canvasId);
    this.ctx = this.canvas.getContext('2d');
    this.overlay = document.createElement('div');
    this.overlay.className = 'vision-overlay';
    this.canvas.parentElement.appendChild(this.overlay);
    
    // 状态
    this.mode = 'SEGMENT';
    this.fps = 0;
    this.detectedObjects = [];
    this.handData = null;
    this.trackingData = null;
    
    // 初始化UI元素
    this.initUI();
    
    // 连接WebSocket
    this.connectVisionWS();
  }
  
  initUI() {
    // 状态指示器