* To Instructors: Because of high fever, I won't be able to come to the class today. I will also improve the assignment below as soon as I get better. Thanks for your consideration. - Seung Wook Kim 

[Description]

- Using FSR, move the camera in the 3D space up and down.

[Components]

- FSR X 1

- Resistor (R-R-B-G) X 1

- LED X 1

[Processing Code]

import processing.serial.*;

String portname = "COM11";
Serial port;
String buf="";
int cr = 13;  // ASCII return   == 13
int lf = 10;  // ASCII linefeed == 10

void setup() {
  size(400, 400, P3D);
  fill(204);
  port = new Serial(this, portname, 9600);
}

void draw(int val) {
  lights();
  background(0);
  // Change height of the camera with mouseY
  camera(30.0, val, 220.0, // eyeX, eyeY, eyeZ
         0.0, 0.0, 0.0, // centerX, centerY, centerZ
         0.0, 1.0, 0.0); // upX, upY, upZ
  noStroke();
  box(90);
  stroke(255);
  line(-100, 0, 0, 100, 0, 0);
  line(0, -100, 0, 0, 100, 0);
  line(0, 0, -100, 0, 0, 100);
}

// called whenever serial data arrives
void serialEvent(Serial p) {
  int c = port.read();
  if (c != lf && c != cr) {
    buf += char(c);
  }
  if (c == lf) {
    int val = int(buf);
    println("val="+val);
    draw(val);
    buf = "";
  }
}