Continuous Lines
/**
* Continuous Lines.
*
* Click and drag the mouse to draw a line.
* Uses mouseDX/mouseDY for high-frequency input.
*/
float prevX, prevY;
void setup() {
size(640, 360);
background(102);
prevX = mouseX;
prevY = mouseY;
}
void draw() {
if (_mousePressed) {
stroke(255);
line(mouseX, mouseY, mouseX - mouseDX, mouseY - mouseDY);
}
prevX = mouseX;
prevY = mouseY;
}