week05

week05-1

 PImage img = loadImage("TWI_IR1_CR_800-2024-10-02-08-00.jpg");

size(800,800);

background(img);

                                 week05-2

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]);

}q

                             week05-3

PImage img;

void setup(){

  size(500,500);

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

  }

float s =1.0, x=0, y=0;

float realX = 0, realY = 0;

void draw(){

  background(255);

  translate(x,y);

  scale(s);

  image(img, 0, 0);

}

void mouseDragged(){

  x += mouseX - pmouseX;

  y += mouseY - pmouseY;

}

void mouseWheel(MouseEvent e){

  realX = (mouseX - x) / s;

  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;

}      

                             week05-4

void setup(){

  size(400,600);

  }

float x=200, y=300;

void draw(){

  background(255);

  line(200,100,x,y);

  ellipse(x,y,30,30);

}

void mouseDragged(){

  x = mouseX;

  y = mouseY;

}

                         week05-5

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);

}

void mouseDragged(){

  x = mouseX;

  y = mouseY;

}

                   week05-6

void setup(){

  size(400,600);

  c = new PVector(200, 100);

  p = new PVector(200, 130);

  }

PVector c,p;

void draw(){

  background(255);

  ellipse(c.x, c.y, 10, 10);

  ellipse(p.x, p.y, 10, 10);

}