mirror of
https://github.com/dyne/FreeJ.git
synced 2026-02-06 21:10:06 +01:00
159 lines
3.0 KiB
JavaScript
159 lines
3.0 KiB
JavaScript
// crossover J & J
|
|
// from cellsbutton02 yogyakarta performance
|
|
// -jrml aug2008
|
|
|
|
W=640
|
|
H=480
|
|
|
|
set_resolution(W,H);
|
|
|
|
audio = new AudioJack("alsa_pcm:capture_1", 2048, 44100);
|
|
|
|
|
|
geo = new GeometryLayer();
|
|
geo.activate(true);
|
|
geo.start();
|
|
geo.set_fps();
|
|
add_layer(geo);
|
|
|
|
shift=0;
|
|
draw=0;
|
|
mode=0;
|
|
|
|
kbd = new KeyboardController();
|
|
register_controller(kbd);
|
|
|
|
linedraw = function(x0,y0,x1,y1) {
|
|
if(draw==0) geo.line(x0,y0,x1,y1);
|
|
else if(draw==1) geo.aaline(x0,y0,x1,y1);
|
|
}
|
|
|
|
|
|
kbd.pressed_p = function() { shift++; }
|
|
kbd.pressed_o = function() { shift--; }
|
|
|
|
kbd.released_a = function() { draw=1; };
|
|
kbd.released_s = function() { draw=0; };
|
|
|
|
kbd.released_b = function() {
|
|
if(mode==1) mode=0;
|
|
else mode=1;
|
|
};
|
|
|
|
kbd.released_q = function() { quit(); }
|
|
kbd.released_r = function() {
|
|
if(reset("crossover.js")) {
|
|
rem_controller(this);
|
|
echo("reset ok");
|
|
}
|
|
return true;
|
|
};
|
|
|
|
center_x = W/2;
|
|
center_y = H/2;
|
|
|
|
crossfat = 10;
|
|
|
|
smallcross = function(x,y,len) {
|
|
linedraw(x-len,y-len,x+len,y+len);
|
|
linedraw(x-len,y+len,x+len,y-len);
|
|
};
|
|
|
|
wave = new Array();
|
|
|
|
bang = new TriggerController();
|
|
bang.frame = function() {
|
|
|
|
audio.fft();
|
|
|
|
geo.color(0,0,0,50);
|
|
geo.rectangle_fill(0,0,W,H);
|
|
|
|
geo.color( 0xff, 0xff, 0xff, 0xff );
|
|
|
|
if(mode==1) { // small crosses
|
|
|
|
hc1 = audio.get_harmonic(2);
|
|
hc2 = audio.get_harmonic(12);
|
|
|
|
crossfat = hc2*16;
|
|
if(crossfat<16) crossfat=16;
|
|
|
|
crosswide = hc1*8;
|
|
|
|
wave.unshift(crosswide);
|
|
if(wave.length < W/16) return;
|
|
/*
|
|
echo("crossfat = " + crossfat);
|
|
echo("diagonals = " + diago1 + " x " + diago2);
|
|
*/
|
|
for(xx=0; xx<W/crossfat; xx++) {
|
|
|
|
for(yy=0; yy<H/crossfat; yy++) {
|
|
|
|
smallcross(center_x+(xx*crossfat),
|
|
center_y+(yy*crossfat),
|
|
wave[xx]);
|
|
|
|
smallcross(center_x-(xx*crossfat),
|
|
center_y-(yy*crossfat),
|
|
wave[xx]);
|
|
|
|
smallcross(center_x+(xx*crossfat),
|
|
center_y-(yy*crossfat),
|
|
wave[xx]);
|
|
|
|
smallcross(center_x-(xx*crossfat),
|
|
center_y+(yy*crossfat),
|
|
wave[xx]);
|
|
|
|
}
|
|
}
|
|
|
|
wave.pop();
|
|
|
|
} else { // wired cross
|
|
|
|
for(c=0;c<16;c++) {
|
|
|
|
hc = (audio.get_harmonic(c) * 8) + shift*2;
|
|
|
|
p = c*8;
|
|
|
|
xphc = center_x+hc;
|
|
xmhc = center_x-hc;
|
|
xpp = center_x+p;
|
|
xmp = center_x-p;
|
|
|
|
yphc = center_y+hc;
|
|
ymhc = center_y-hc;
|
|
ypp = center_y+p;
|
|
ymp = center_y-p;
|
|
|
|
linedraw(xpp, ypp, xphc, yphc);
|
|
linedraw(xpp, ypp, xmhc, ymhc);
|
|
linedraw(xpp, ypp, xphc, ymhc);
|
|
linedraw(xpp, ypp, xmhc, yphc);
|
|
|
|
linedraw(xmp, ymp, xphc, yphc);
|
|
linedraw(xmp, ymp, xmhc, ymhc);
|
|
linedraw(xmp, ymp, xphc, ymhc);
|
|
linedraw(xmp, ymp, xmhc, yphc);
|
|
|
|
linedraw(xmp, ypp, xphc, yphc);
|
|
linedraw(xmp, ypp, xmhc, ymhc);
|
|
linedraw(xmp, ypp, xphc, ymhc);
|
|
linedraw(xmp, ypp, xmhc, yphc);
|
|
|
|
linedraw(xpp, ymp, xphc, yphc);
|
|
linedraw(xpp, ymp, xmhc, ymhc);
|
|
linedraw(xpp, ymp, xphc, ymhc);
|
|
linedraw(xpp, ymp, xmhc, yphc);
|
|
|
|
}
|
|
}
|
|
}
|
|
register_controller(bang);
|
|
|
|
gc();
|