Method startRenderer

tea.go:1393–1422

startRenderer starts the renderer.

()

// startRenderer starts the renderer.
func (p *Program) startRenderer() {
	framerate := time.Second / time.Duration(p.fps)
	if p.ticker == nil {
		p.ticker = time.NewTicker(framerate)
	} else {
		// If the ticker already exists, it has been stopped and we need to
		// reset it.
		p.ticker.Reset(framerate)
	}

	// Since the renderer can be restarted after a stop, we need to reset
	// the done channel and its corresponding sync.Once.
	p.once = sync.Once{}

	// Start the renderer.
	p.renderer.start()
	go func() {
		for {
			select {
			case <-p.rendererDone:
				p.ticker.Stop()
				return

			case <-p.ticker.C:
				_ = p.flush()
				_ = p.renderer.flush(false)
			}
		}
	}()
}

// stopRenderer stops the renderer.
// If kill is true, the renderer will be stopped immediately without flushing