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Hey, i want the ellipse that is being drawn to save its color on every position it was. i want to have the pen Function in Paint. here is my code and thanks for your help!!
` import processing.serial.*;
float x,y;
void setup() {
size(800,800);
Serial arduino = new Serial(this, "COM3", 250000);
arduino.bufferUntil('\n');
}
void draw()
{
}
void serialEvent(Serial p) {
String rawString = p.readStringUntil('\n');
if (rawString != null) {
rawString = rawString.trim();
try{
String[] values = split(rawString,",");
int serialX = int(values[0]);
int serialY = int(values[1]);
x = map(serialY,0,640,0,width);
y = map(serialX,0,480,0,height);
/* maybe something like
if (values[0]!=0)
{
fill ellipse(x,y,10,10); }
*/
}catch(Exception e){
println("Error parsing string from Serial:");
e.printStackTrace();
}
}
}
`