old ewi visualization thing

main
Jordan Orelli 4 years ago
parent c67ef29f20
commit 453863e44c

@ -0,0 +1,73 @@
import themidibus.*;
MidiBus myBus;
int y = 0;
float vel = 0;
int MIN_NOTE = 36;
int MAX_NOTE = 98;
void setup() {
size(1440, 900, P2D);
// size(720, 820, P2D);
background(0);
myBus = new MidiBus(this, 0, -1);
}
void draw() {
background(0, 0.0, 0);
// if (countOff >= countOn) { return; }
colorMode(HSB, 12, 1.0, 1.0, 1.0);
noFill();
int octave = y / 12;
float oct = norm(octave, 2, 8) * 0.5;
float hue = y % 12 + (2.0 * bend);
stroke(hue, 0.8, 0.8, vel);
strokeWeight(pow(vel, 1.3) * 80);
float ny = height - (norm(y, MIN_NOTE, MAX_NOTE) * height);
float dy = vel * bend * 120.0;
bezier(0, ny, 0.25 * width, ny - dy, 0.75 * width, ny - dy, width, ny);
}
int countOn;
void noteOn(int channel, int pitch, int velocity) {
vel = norm(velocity, 0, 127);
y = pitch;
countOn++;
println("<on " + countOn + " channel:" + channel + " pitch:" + pitch + " velocity:" + velocity + ">");
}
void noteOff(int channel, int pitch, int velocity) {
countOn--;
if (pitch == y) {
vel = 0;
}
println("<off " + countOn + " channel:" + channel + " pitch:" + pitch + " velocity:" + velocity + ">");
}
void controllerChange(int channel, int number, int value) {
if (channel == 0 && number == 2) {
if (countOn > 0 || value == 0) {
vel = norm(value, 0, 127);
}
return;
}
// println("<cc " + " channel:" + channel + " number:" + number + " value:" + value + ">");
}
float bend = 0.0;
void rawMidi(byte[] data) { // You can also use rawMidi(byte[] data, String bus_name)
int status = (int)(data[0] & 0xFF);
switch (status) {
case 176: // breath velocity
return;
case 144: // noteOn
return;
case 128: // noteOff
return;
case 224: // pitch bend
bend = norm(data[1] & 127 | (data[2] & 127) << 7, 0, (1 << 14) - 1) * 2.0 - 1.0;
return;
}
}
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