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import { Application } from 'pixi.js';
import { WaterfallGraph } from './waterfall.js';
import { PerformanceMetrics } from './metrics.js';
class TimePlot {
constructor() {
this.app = null;
this.graphs = [];
this.metrics = new PerformanceMetrics(60, 10000);
this.showMetrics = true;
this.showGrid = true;
this.time = 0;
}
async init() {
const container = document.getElementById('canvas-container');
// Try WebGPU first, fallback to WebGL
let preferredRenderer = 'webgpu';
let preference = 'webgpu';
// Check WebGPU availability
if (!navigator.gpu) {
console.log('WebGPU not available, using WebGL');
preferredRenderer = 'webgl';
preference = 'webgl';
}
try {
this.app = new Application();
await this.app.init({
preference: preference,
width: window.innerWidth,
height: window.innerHeight - 60, // Account for controls
backgroundColor: 0x1a1a26,
antialias: true,
autoDensity: true,
resolution: window.devicePixelRatio || 1,
});
container.appendChild(this.app.canvas);
// Display actual renderer type
const rendererType = this.app.renderer.type;
document.getElementById('renderer-type').textContent = rendererType;
console.log('Using renderer:', rendererType);
// Create two waterfall graphs side by side
this.setupGraphs();
this.setupControls();
this.setupKeyboard();
this.handleResize();
// Start animation loop
this.app.ticker.add(() => this.update());
console.log('TimePlot initialized successfully');
} catch (error) {
console.error('Failed to initialize PixiJS:', error);
// Ultimate fallback
if (preference === 'webgpu') {
console.log('Retrying with WebGL...');
this.init(); // Retry will use WebGL
}
}
}
setupGraphs() {
const width = this.app.screen.width;
const height = this.app.screen.height;
// Left graph
const graph1 = new WaterfallGraph({
x: 0,
y: 0,
width: width / 2,
height: height,
title: 'Frequency vs Time',
color: 0xff6666,
});
// Right graph
const graph2 = new WaterfallGraph({
x: width / 2,
y: 0,
width: width / 2,
height: height,
title: 'Position vs Time',
color: 0x66ff66,
});
this.graphs.push(graph1, graph2);
this.graphs.forEach(graph => {
this.app.stage.addChild(graph.container);
});
}
setupControls() {
document.getElementById('toggle-grid').addEventListener('click', () => {
this.toggleGrid();
});
document.getElementById('toggle-metrics').addEventListener('click', () => {
this.toggleMetrics();
});
document.getElementById('export-metrics').addEventListener('click', () => {
this.exportMetrics();
});
this.updateControlButtons();
}
setupKeyboard() {
window.addEventListener('keydown', (e) => {
switch(e.key.toLowerCase()) {
case 'g':
this.toggleGrid();
break;
case 'm':
this.toggleMetrics();
break;
case 'e':
this.exportMetrics();
break;
}
});
}
handleResize() {
window.addEventListener('resize', () => {
const width = window.innerWidth;
const height = window.innerHeight - 60;
this.app.renderer.resize(width, height);
// Update graphs
this.graphs[0]?.resize(0, 0, width / 2, height);
this.graphs[1]?.resize(width / 2, 0, width / 2, height);
});
}
update() {
this.metrics.beginFrame();
this.metrics.beginUpdate();
this.time += 0.016; // ~60fps increment
// Update each graph
this.graphs.forEach((graph, idx) => {
graph.update(this.time, idx);
});
const updateMs = this.metrics.endUpdate();
this.metrics.beginRender();
// Rendering happens automatically via PixiJS
const renderMs = this.metrics.endRender();
// Calculate total vertices (estimate)
const vertexCount = this.graphs.reduce((sum, g) => sum + g.getVertexCount(), 0);
const lineCount = this.graphs.reduce((sum, g) => sum + g.getLineCount(), 0);
this.metrics.endFrame(updateMs, renderMs, vertexCount, lineCount);
// Update UI
if (this.showMetrics) {
this.updateMetricsDisplay();
}
}
toggleGrid() {
this.showGrid = !this.showGrid;
this.graphs.forEach(graph => graph.setGridVisible(this.showGrid));
this.updateControlButtons();
console.log('Grid:', this.showGrid ? 'ON' : 'OFF');
}
toggleMetrics() {
this.showMetrics = !this.showMetrics;
this.updateControlButtons();
console.log('Metrics:', this.showMetrics ? 'ON' : 'OFF');
}
exportMetrics() {
const csv = this.metrics.exportToCSV();
const blob = new Blob([csv], { type: 'text/csv' });
const url = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = url;
a.download = `timeplot-metrics-${Date.now()}.csv`;
a.click();
URL.revokeObjectURL(url);
console.log('Metrics exported');
}
updateMetricsDisplay() {
const display = document.getElementById('metrics-display');
if (display) {
display.textContent = this.metrics.formatSummary();
}
}
updateControlButtons() {
const gridBtn = document.getElementById('toggle-grid');
const metricsBtn = document.getElementById('toggle-metrics');
gridBtn.classList.toggle('active', this.showGrid);
metricsBtn.classList.toggle('active', this.showMetrics);
}
}
// Initialize the application
const app = new TimePlot();
app.init().catch(console.error);
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