Method setupCanvas

static/visualizer.js:36–47

()

    }
    
    setupCanvas() {
        // 设置画布大小
        const resizeCanvas = () => {
            const rect = this.canvas.getBoundingClientRect();
            this.canvas.width = rect.width * window.devicePixelRatio;
            this.canvas.height = rect.height * window.devicePixelRatio;
            this.ctx.scale(window.devicePixelRatio, window.devicePixelRatio);
        };
        
        window.addEventListener('resize', resizeCanvas);
        resizeCanvas();
    }
    
    connectWebSocket() {
        const wsUrl = `ws://${window.location.host}/ws/visualizer`;