Hi all,
I want to modulate two delays with two LFOs, which have a phase offset.
Using os.oscp works, but the library does not contain a triangle osc
with phase control. So tried to make one by copy-pasting from the
oscillator.lib:
import("stdfaust.lib");
saw1_phase(freq, phase) = 2.0 * os.lf_sawpos_phase(freq, phase) - 1.0;
lf_trianglepos_phase(freq, phase) = 1.0 - abs(saw1_phase(freq, phase));
lf_triangle_phase(freq, phase) = 2.0 * lf_trianglepos_phase(freq, phase)
- 1.0;
However, when I try to use this with a parameter controlling the phase
like this:
lfo_freq = hslider("Freq", 30, 0.001, 50, 0.01);
lfo_phase = hslider("Phase", 0, 0, 360, 1) / 360;
lfo1 = os.lf_triangle(lfo_freq);
lfo2 = lf_triangle_phase(lfo_freq, lfo_phase);
process = lfo1 * 0.2, lfo2 * 0.2;
the lfo_phase param does have any effect, the phase of both LFOs is
always the same.
What am I missing?
Chris
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