week0005

001. 

int N=299;

PImage [] imgs = new PImage [299];

void setup() {

  size(800, 800);

  String []filenames = loadStrings("list.txt");

  for (int i=0; i<N; i++) {

    imgs[i] = loadImage(filenames[i]);

  }

}

void draw(){

  int i =frameCount % N;

  background(imgs[i]);

}

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002.

PImage img;

void setup() {

  size(500, 500);

  img = loadImage("LCC_VIS_TRGB_2750-2024-10-02-07-40.jpg");

}

float s= 0.4, x=0, y=0,realX=0,realY=0;

void draw() {

  background(#92C2F5);

  translate(x, y);

  scale(s);

  image(img,0,0);

  ellipse(realX, realY,10,10);

}

void mouseDragged() {

  x +=mouseX-pmouseX;

  y +=mouseY-pmouseY;

}

void mouseWheel(MouseEvent e) {

  float realX = (mouseX - x)/s;

  float realY = (mouseY - y)/s;

  float oldS=s;

  if (e.getCount()>0)s *=1.1;

  else s *=0.9;

  x= x+ realX*oldS - realX*s;

  y= y+ realY*oldS - realY*s;

}

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003.

void setup() {

  size(400, 600);

}

float x=200, y=300;

void draw() {

  background(255);

  stroke(0);

  line(200, 100, x, y);

  ellipse(x, y, 30, 30);

  stroke(255, 0, 0);

  line(x, y, x, y+100);

  PVector d = new PVector(x-200, y-100).normalize();

  PVector d2 = new PVector(0, 1);

  float g = PVector.dot(d, d2);

  d.mult(100*g);

  stroke(0, 255, 0);

  line(x, y, x+d.x, y+d.y);

  PVector N = PVector.sub(d2.mult(100), d).normalize();

  stroke(0, 0, 255);

  line(x, y, x+N.x, y+N.y);

  v.x+=N.x / 1000;

  v.y+=N.y / 1000;

  x+= v.x;

  y+= v.y;

}

PVector v = new PVector();

void mouseDragged() {

  x = mouseX;

  y = mouseY;

}