«GrainOTec» by Dindoléon

on 06 Dec'18 02:45 in guigranulargrainmodule

A GUI module to produce granular synthesis textures. Controls are : amplitude, trigger rate, grain duration, number of simultaneous grains, frequency offset between simultaneous grains, random panning and enveloppe.

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(
// GrainOTec module for SuperCollider, by Dindoléon
// licensed under GNU GPL v3
// Have fun, but take care with the DBs !

var win, rout, draw_slider, font;

var volume, volume_slider, volume_value, volume_label, volume_color;
var lifetime, lifetime_slider, lifetime_value, lifetime_label, lifetime_color;
var env, env_array, env_points, env_slider, env_duration, env_multiSlider, env_value, env_label, env_color;
var freq, base_freq, freq_value, freq_slider, freq_mul, freq_mul_value, freq_mul_slider, freq_label, freq_mul_label, freq_color, freq_mul_color;
var pan, pan_value, pan_slider, pan_label, pan_color;

var icon_size = 10, stroke_size = 2, outline_size = 15;

font = Font( size: 20 );

base_freq = 220;
freq = [base_freq];
freq_value = 0;

freq_mul = 1;
freq_mul_value = 0;

volume = 0;
volume_value = 0;

lifetime = 0.005;
lifetime_value = 0.6;

pan = 0;
pan_value = 0;

env_duration = 0.005;
env_value = 0.6;

env_points = 8;
env_array = Array.fill(env_points+2, 0);

volume_color = Color( 0.8, 0, 0.3 );
lifetime_color = Color( 0, 0.3, 0.8 );
env_color = Color( 0, 0.8, 0.3 );
freq_color = Color( 0.8, 0.3, 0 );
freq_mul_color = Color( 0.3, 0, 0.8 );
pan_color = Color( 0.3, 0.8, 0 );

env = Env.new(
	levels: env_array,
	times: Array.fill(env_points+1, env_duration/(env_points+1))
);

SynthDef(\grain, { | freq = 220 |
	var snd, env, envctl, envgen, pan, amp;

	env = Env.newClear( 10 );
	envctl = \env.kr( env.asArray );
	envgen = EnvGen.ar( envctl, 1, doneAction: 2 );
	snd = LinPan2.ar( SinOsc.ar( freq ) * envgen * \amp.kr(1), \pan.ar(0) );

	Out.ar( 0, snd ); }).add;

rout = Routine {
	loop {
		freq.do( { |f| Synth(\grain, [\freq, f, \amp, volume/freq.size, \env, env, \pan, pan.asFloat.rand] ) });
		lifetime.yield;
	};
}.play();

win = Window("GrainOTec", Rect( 5, 5, 305, 300 ), false );
win.background_(Color.black);
win.front;

// Volume Slider
volume_slider = UserView( win, Rect( 5, 5, 45, 190 ));
volume_slider.drawFunc = { draw_slider.value( volume_slider, volume_value, volume_color ) };
volume_slider.mouseDownAction = { | volume_slider, x, y, m |
	volume_value = (y).linlin( 0, volume_slider.bounds.height, 1, 0 );
	volume = volume_value;
	volume_slider.refresh };
volume_slider.mouseMoveAction = volume_slider.mouseDownAction;
volume_label = StaticText( volume_slider, Rect( 25, 165, 28, 28 ));
volume_label.string_("a");
volume_label.font_(font);
volume_label.stringColor_(Color(1,1,1,0.75));

// Lifetime Slider
lifetime_slider = UserView( win, Rect( 55, 5, 45, 190 ));
lifetime_slider.drawFunc = { draw_slider.value( lifetime_slider, lifetime_value, lifetime_color ) };
lifetime_slider.mouseDownAction = { | lifetime_slider, x, y, m |
	lifetime_value = (y).linlin( 0, lifetime_slider.bounds.height, 1, 0 );
	lifetime = lifetime_value.linexp( 0, 1, 0.1, 0.001 );
	lifetime_slider.refresh };
lifetime_slider.mouseMoveAction = lifetime_slider.mouseDownAction;
lifetime_label = StaticText( lifetime_slider, Rect( 25, 165, 28, 28 ));
lifetime_label.string_("t");
lifetime_label.font_(font);
lifetime_label.stringColor_(Color(1,1,1,0.75));

// Env Slider
env_slider = UserView( win, Rect( 105, 5, 45, 190 ));
env_slider.drawFunc = { draw_slider.value( env_slider, env_value, env_color ) };
env_slider.mouseDownAction = { | env_slider, x, y, m |
	env_value = (y).linlin( 0, env_slider.bounds.height, 1, 0 );
	env_duration = env_value.linexp( 0, 1, 0.1, 0.001 );
	env.times = Array.fill(env_points+1, env_duration/(env_points+1));
	env_slider.refresh };
env_slider.mouseMoveAction = env_slider.mouseDownAction;
env_label = StaticText( env_slider, Rect( 25, 165, 28, 28 ));
env_label.string_("d");
env_label.font_(font);
env_label.stringColor_(Color(1,1,1,0.75));

// Freq Slider
freq_slider = UserView( win, Rect( 155, 5, 45, 190 ));
freq_slider.drawFunc = { draw_slider.value( freq_slider, freq_value, freq_color ) };
freq_slider.mouseDownAction = { | freq_slider, x, y, m |
	freq_value = (y).linlin( 0, freq_slider.bounds.height, 1, 0 );
	freq = Array.fill(freq_value.linlin( 0, 1, 1, 7 ).asInt, base_freq);
	if( freq_value.linlin( 0, 1, 1, 7 ).asInt > 1, { for( 1, freq_value.linlin( 0, 1, 1, 7 ).asInt -1, { |i| freq[i] = freq[i-1] * freq_mul; } ) });
	freq_slider.refresh };
freq_slider.mouseMoveAction = freq_slider.mouseDownAction;
freq_label = StaticText( freq_slider, Rect( 25, 165, 28, 28 ));
freq_label.string_("h");
freq_label.font_(font);
freq_label.stringColor_(Color(1,1,1,0.75));

// Freq Mul Slider
freq_mul_slider = UserView( win, Rect( 205, 5, 45, 190 ));
freq_mul_slider.drawFunc = { draw_slider.value( freq_mul_slider, freq_mul_value, freq_mul_color ) };
freq_mul_slider.mouseDownAction = { | freq_slider, x, y, m |
	freq_mul_value = (y).linlin( 0, freq_slider.bounds.height, 1, 0 );
	freq_mul = 1 + freq_mul_value;
	freq = Array.fill(freq_value.linlin( 0, 1, 1, 7 ).asInt, base_freq);
	if( freq_value.linlin( 0, 1, 1, 7 ).asInt > 1, { for( 1, freq_value.linlin( 0, 1, 1, 7 ).asInt -1, { |i| freq[i] = freq[i-1] * freq_mul; } ) });
	freq_mul_slider.refresh };
freq_mul_slider.mouseMoveAction = freq_mul_slider.mouseDownAction;
freq_mul_label = StaticText( freq_mul_slider, Rect( 25, 165, 28, 28 ));
freq_mul_label.string_("m");
freq_mul_label.font_(font);
freq_mul_label.stringColor_(Color(1,1,1,0.75));

// Pan Slider
pan_slider = UserView( win, Rect( 255, 5, 45, 190 ));
pan_slider.drawFunc = { draw_slider.value( pan_slider, pan_value, pan_color ) };
pan_slider.mouseDownAction = { | lifetime_slider, x, y, m |
	pan_value = (y).linlin( 0, lifetime_slider.bounds.height, 1, 0 );
	pan = pan_value;
	pan_slider.refresh };
pan_slider.mouseMoveAction = pan_slider.mouseDownAction;
pan_label = StaticText( pan_slider, Rect( 25, 165, 28, 28 ));
pan_label.string_("p");
pan_label.font_(font);
pan_label.stringColor_(Color(1,1,1,0.75));

// Enveloppe MultiSlider
env_multiSlider = MultiSliderView( win, Rect( 5, 200, 295, 90 ) );
env_multiSlider.value = Array.fill(env_points, {0.0});
env_multiSlider.isFilled = true;
env_multiSlider.elasticMode_(true);
env_multiSlider.fillColor = Color(0,0,0.1);
env_multiSlider.strokeColor = Color.red;
env_multiSlider.background_(Color(0,0,0.2));
env_multiSlider.gap = 0;
env_multiSlider.drawRects = false; // Display as bar charts
env_multiSlider.drawLines = true; // Display as plot

env_multiSlider.action = { arg multi;
	var index = multi.index;
	var value = multi.currentvalue;
	env_array[(index+1)] = value;
	env.levels = env_array; };

// Slider Draw Function
draw_slider = { | slider, value, color |
	Pen.width = stroke_size;

	// Draw the frame
	Pen.strokeColor = Color.white;
	Pen.fillColor = Color.black;
	Pen.addRect(Rect(0, 0, slider.bounds.width,slider.bounds.height));
	Pen.draw(3);

	// Draw the losange
	Pen.moveTo( ( slider.bounds.width/2 ) @ ( ( slider.bounds.height - ( slider.bounds.height * value) ) - icon_size ) );
	Pen.lineTo( ( slider.bounds.width/2 -icon_size ) @ ( slider.bounds.height - (slider.bounds.height*value) ) );
	Pen.lineTo( ( slider.bounds.width/2 ) @ ( ( slider.bounds.height - ( slider.bounds.height * value) ) + icon_size ) );
	Pen.lineTo( ( slider.bounds.width/2 + icon_size ) @ ( slider.bounds.height - (slider.bounds.height*value) ) );
	Pen.lineTo( ( slider.bounds.width/2 ) @ ( ( slider.bounds.height - ( slider.bounds.height * value) ) - icon_size ) );

	Pen.fillColor = color;
	Pen.fill;

	Pen.moveTo( ( slider.bounds.width/2 ) @ ( ( slider.bounds.height - ( slider.bounds.height * value) ) - outline_size ) );
	Pen.lineTo( ( slider.bounds.width/2 -outline_size ) @ ( slider.bounds.height - (slider.bounds.height*value) ) );
	Pen.lineTo( ( slider.bounds.width/2 ) @ ( ( slider.bounds.height - ( slider.bounds.height * value) ) + outline_size ) );
	Pen.lineTo( ( slider.bounds.width/2 + outline_size ) @ ( slider.bounds.height - (slider.bounds.height*value) ) );
	Pen.lineTo( ( slider.bounds.width/2 ) @ ( ( slider.bounds.height - ( slider.bounds.height * value) ) - outline_size ) );

	Pen.moveTo( ( slider.bounds.width/2 ) @ 0 );
	Pen.lineTo( ( slider.bounds.width/2 ) @ ( ( slider.bounds.height - ( slider.bounds.height * value) ) - outline_size ) );

	Pen.moveTo( ( slider.bounds.width/2 ) @ ( slider.bounds.height ) );
	Pen.lineTo( ( slider.bounds.width/2 ) @ ( ( slider.bounds.height - ( slider.bounds.height * value) ) + outline_size ) );

	Pen.strokeColor = color;
	Pen.stroke;
};
)
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