RECITATION 8

task 1:

code for processing:

/**
* Example sketch for the SerialRecord library for Processing.
 *
 * Receives two integers from the serial port, and uses them to control the x
 * and y position of a circle on the canvas.
 */

import processing.serial.*;
import osteele.processing.SerialRecord.*;

Serial serialPort;
SerialRecord serialRecord;

int pmX;
int pmY;
int mx;
int my;

void setup() {
  size(500, 500);
  background(0);
  
  String serialPortName = SerialUtils.findArduinoPort();
  serialPort = new Serial(this, serialPortName, 9600);

  // If the Arduino sketch sends a different number of values, modify the number
  // `2` on the next line to match the number of values that it sends.
  serialRecord = new SerialRecord(this, serialPort, 2);
   
}

void draw() {
  

  serialRecord.read();
  int value1 = serialRecord.values[0];
  int value2 = serialRecord.values[1];
  pmX=(int)mx;
  pmY=(int)my;
  
  float x = map(value1, 0, 1024, 0, width);
  float y = map(value2, 0, 1024, 0, height);
  //circle(x, y, 20);
  mx=(int)x;
  my=(int)y;
  if(pmX!=mx || pmY!=my){
  stroke(255);
  line(pmX, pmY, mx, my);
  }
  println(pmX, pmY, mx, my);
}

It is a quite interesting task, and it is interactive. I learned to combine the potentiometer with processing and arduino, which was challenging but fun.

task 2:

(I worked on my own)

processing:

import processing.serial.*;
import osteele.processing.SerialRecord.*;

Serial serialPort;
SerialRecord serialRecord;
float x = 0;
float d=10;
void setup() {
  size(500,500);
  //background(176,131,250);
  String serialPortName = SerialUtils.findArduinoPort();
  serialPort = new Serial(this, serialPortName, 9600);
  serialRecord = new SerialRecord(this, serialPort, 1);
  
  
  //serialRecord.logToCanvas(false);
}

void draw() {
  background(0);
  
  circle(x,height/2,20);
  x+=d;
  int m=(int)x;
  if (x>=width){
    d= -d;
  }
  if (x<=0){
    d= -d;
  }
  serialRecord.values[0] = m;
  serialRecord.send();
  

}

arduino:

#include "SerialRecord.h"
#include 
// Change this number to the number of values you want to receive
SerialRecord reader(1);
Servo servo1;


void setup() {
 Serial.begin(9600);
 servo1.attach(9);

 pinMode(9, OUTPUT);

}

void loop() {
 reader.read();
 
 if (reader[0]>450){
   servo1.write(180);
 };
 if (reader[0]<=450){
   servo1.write(60);
 };
  
  

} 

It’s a pity that I didn’t find a partner, but I worked by myself and gradually find the solution to this task.