fullscreen boolean isDrawing = false;
void setup(){
size(400,200);
background(100);
}
void mousePressed() {
isDrawing=true;
}
void mouseReleased() {
isDrawing=false;
}
void draw() {
fill(0);
if(isDrawing) {
//point(mouseX, mouseY);
line(mouseX,mouseY,pmouseX,pmouseY);
}
}