Production – Week 11

Exercise 1:

let circleX;

function setup() {
    createCanvas(500, 500);
    noFill();
}

function draw() {
    background('white');
    if (!serialActive) {
        console.log('ARDUINO IS NOT CONNECTED'); //output to check if Arduino connected or not
    }
  
    if (serialActive) {
        fill('violet')
        ellipse(map(circleX, 0, 1023, 0, width), height / 2, 100, 100); // using map to make the circle move
        console.log(circleX) //output position to check
    }
}

function keyPressed() {
    if (key == " ")
        setUpSerial();
}

function readSerial(data) {
    if (data != null) //
        circleX = int(data);
}            
 


// ARDUINO CODE

/* 


void setup() {
    Serial.begin(9600);
    pinMode(A0, INPUT);
}

void loop() {
    Serial.println(analogRead(A0));
    delay(5);
}
 
*/

 

Exercise 2:

let brightnessLVL = 0;

function setup() {
    createCanvas(500, 500);
}

function draw() {
    if (!serialActive) {
        console.log('ARDUINO IS NOT CONNECTED')
    }
  
    if (keyIsDown(UP_ARROW)) { 
      brightnessLVL += 1; 
    } 
    
    else if (keyIsDown(DOWN_ARROW) && brightnessLVL > 0) {
      brightnessLVL -= 1;
    }
    
    console.log(brightnessLVL)
}

function keyPressed() {
    if (key == " ")
        setUpSerial(); // Start the serial connection
}

function readSerial(data) {
    writeSerial(brightnessLVL);
}
 

// ARDUINO CODE

/*
 
void setup() {
    Serial.begin(9600);
    pinMode(10, OUTPUT);
}

void loop() {
    analogWrite(10, Serial.parseInt());
    Serial.println();
    delay(1);
}
 
*/

 

Exercise 3:

let velocity;
let gravity;
let position;
let acceleration;
let wind;
let drag = 0.99;
let mass = 50;
let checkBounce;
let outputBounce;

function setup() {
  createCanvas(640, 360);
  noFill();
  position = createVector(width/2, 0);
  velocity = createVector(0,0);
  acceleration = createVector(0,0);
  gravity = createVector(0, 0.5*mass);
  wind = createVector(0,0);
}

function draw() {
  background(255);
  applyForce(wind);
  applyForce(gravity);
  velocity.add(acceleration);
  velocity.mult(drag);
  position.add(velocity);
  acceleration.mult(0);
  ellipse(position.x,position.y,mass,mass);
    
  if (!serialActive) {
        console.log('ARDUINO IS NOT CONNECTED')
        fill('red')
    }
  
  if (serialActive) {
    textAlign(CENTER, TOP);
    textSize(24); 
    fill('green'); 
    text('ARDUINO IS CONNECTED', width / 2, 10);
}
  
  if (position.y > height-mass/2) {
      checkBounce = 1;
      velocity.y *= -0.9;  // A little dampening when hitting the bottom
      position.y = height-mass/2;
      }
  else {
      checkBounce = 0;
  }
}

function applyForce(force){
  // Newton's 2nd law: F = M * A
  // or A = F / M
  let f = p5.Vector.div(force, mass);
  acceleration.add(f);
}

function keyPressed(){
  if (key==' '){
    mass=random(15,80);
    position.y=-mass;
    velocity.mult(0);
  }
    
  if (key == "h") {
    setUpSerial();
  }
}

function readSerial(data) {
    if (data != null) {
        wind.x = map(int(data), 0, 1023, -2, 2);
        
        let sendToArduino = checkBounce + '\n';
        writeSerial(sendToArduino);
    }
}

// ARDUINO CODE

/* 

 
const int LED_PIN = 10;
const int POT_PIN = A0;

void setup() {
    Serial.begin(9600);
    pinMode(LED_PIN, OUTPUT);
    pinMode(POT_PIN, INPUT);

    while (Serial.available() <= 0) {
        Serial.println("0");
        delay(300);
    }
}

void loop() {
    while (Serial.available()) {
        int LEDtrigger = Serial.parseInt();
        
        if (Serial.read() == '\n') {
            digitalWrite(LED_PIN, LEDtrigger);
            Serial.println(analogRead(POT_PIN));
        }
    }
}
 
*/