When automating knobs drawing line is slow

[darkInteger]

Hi guys!

I have some knobs as faders, i connect their needle with drawing lines for cosmetic purposes.
In a built vst everything is working fine if i grab the faders withbthe mouse, the lines follow the needles as supposed but if i automate the faders the drawing the lines are getting slow like they are behind the needle.
What is up whit this?

[d.healey]

@darkInteger Post a minimal snippet that demonstrates the issue.

[darkInteger]

@d-healey here is the drawing function, I call this when I move the knobs.

function connect()
{
	bg.setPaintRoutine(function(p)
	{
		p.setColour(0xFF6F6F6F);
		
		p.drawLine(oscFreq.getValueNormalized() * 114 + 27, oscFreqSlide.getValueNormalized() * 114 + 27, 105, 155, 1);
		p.drawLine(oscFreqSlide.getValueNormalized() * 114 + 27, oscFreqMacro.getValueNormalized() * 114 + 27, 155, 205, 1);
		
		p.drawLine(delayTime.getValueNormalized() * 114 + 27, delayTimeSlide.getValueNormalized() * 114 + 27, 265, 315, 1);
		p.drawLine(delayTimeSlide.getValueNormalized() * 114 + 27, delayTimeMacro.getValueNormalized() * 114 + 27, 315, 365, 1);
		
		p.drawLine(freqShifter.getValueNormalized() * 114 + 27, freqShifterSlide.getValueNormalized() * 114 + 27, 425, 475, 1);
		p.drawLine(freqShifterSlide.getValueNormalized() * 114 + 27, freqShifterMacro.getValueNormalized() * 114 + 27, 475, 525, 1);
		
		p.drawLine(wideFreq.getValueNormalized() * 114 + 307, wideFreqSlide.getValueNormalized() * 114 + 307, 105, 155, 1);
		p.drawLine(wideFreqSlide.getValueNormalized() * 114 + 307, wideFreqMacro.getValueNormalized() * 114 + 307, 155, 205, 1);
		
		p.drawLine(width.getValueNormalized() * 114 + 307, widthSlide.getValueNormalized() * 114 + 307, 265, 315, 1);
		p.drawLine(widthSlide.getValueNormalized() * 114 + 307, widthMacro.getValueNormalized() * 114 + 307, 315, 365, 1);
		
		p.drawLine(pan.getValueNormalized() * 114 + 307, panSlide.getValueNormalized() * 114 + 307, 425, 475, 1);
		p.drawLine(panSlide.getValueNormalized() * 114 + 307, panMacro.getValueNormalized() * 114 + 307, 475, 525, 1);
	});
}