Mouse Signals
/**
* Mouse Signals
*
* Move and click the mouse to generate signals.
* The top row is the signal from "mouseX",
* the middle row is the signal from "mouseY",
* and the bottom row is the signal from "mousePressed".
*/
int xvals[640];
int yvals[640];
int bvals[640];
void setup() {
size(640, 360);
noSmooth();
}
void draw() {
background(102);
// Shift values left
for (int i = 1; i < width; i++) {
xvals[i - 1] = xvals[i];
yvals[i - 1] = yvals[i];
bvals[i - 1] = bvals[i];
}
// Add new values
xvals[width - 1] = mouseX;
yvals[width - 1] = mouseY;
if (_mousePressed == true) {
bvals[width - 1] = 0;
} else {
bvals[width - 1] = height / 3;
}
fill(255);
noStroke();
rect(0, height / 3, width, height / 3 + 1);
for (int i = 1; i < width; i++) {
// Draw the x-values
stroke(255);
point(i, map(xvals[i], 0, width, 0, height / 3 - 1));
// Draw the y-values
stroke(0);
point(i, height / 3 + yvals[i] / 3);
// Draw the mouse presses
stroke(255);
line(i,
(2 * height / 3) + bvals[i],
i,
(2 * height / 3) + bvals[i - 1]);
}
}