Midterm

int x;

int y;

int w;

int z;

int a;

int numSpirals = 5;

int gridNum = 5;

​

float num = 0;

float counter = .01;

float yoff = 0.0; 

float xoff = 0; 

float angle = 0.0;

float scalar = 2;

float speed = 0.05;

float o;

float p;

​

// offset

float [] offsetX = new float [numSpirals];

float [] offsetY = new float [numSpirals];

​

//color b1, b2, c1, c2;

​

void setup () {

  size(500, 500);

  stroke(255);

  fill(0);

  //background(255);

  smooth();

​

​

  // spiral grid using modulo

  for (int i = 0; i < numSpirals; i++) {

    // this is how video pixels are manupulated. as video stores pixel info as an array, not a pixel grid

    // for x = i % 5 draws up to 5 rows of thing; y = i / 5 makes it all the same, while all the xs are the same

    // anything divided by that thing moves slower than the whole or modulo, so this way our y increases at a slower rate than our x

    // i % gridnum * ___ increases the spaces between the spirals. + ___ offset

    offsetX [i] = (i % gridNum)*150 + 120;

    offsetY [i] = (i / gridNum)* 150 +50;

  }

​

  ////colors

  //// Define colors

  //b1 = color(255);

  //b2 = color(0);

  //c1 = color(131, 148, 234);

  //c2 = color(13, 29, 107);

​

  //variables

  x=250;

  y=250;

  w=100;

  z=150;

  a=250;

  background (30);

}

void draw () {

  eyeshape();

  //lashes();

  waves();

  boat();

  spirals();

}

​

​

​

void spirals () {

​

  noStroke();

  fill (255, 0, 0);

  for (int s = 0; s < numSpirals; s++) {

    o = offsetX [s] + cos(angle) * scalar;

    p = offsetY [s] + sin(angle) * scalar;

    ellipse(o, p, 2, 2);

  }

​

  // put this outside the for loop to reduce speed

  angle += speed;

  scalar += speed;

}

void eyeshape () {

  fill(210, 0, 0);

  ellipse (x, y, w+200, w+50);

​

  //pupil

​

  fill (210);

  float pupilX = map(mouseX, 0, width, 250, 250);

  float pupilY = map(mouseY, 0, height, 200, 300);

  ellipse(pupilX, pupilY, w-50, w-50);

  ellipse(pupilX, pupilY, w-50, w-50);

}

​

void  waves () {

  fill(0, 0, 0, 60);

  beginShape();

  float xoff = 20; 

  for (float x = 0; x <= width; x += 10) {

    float y = map(noise(xoff, yoff), 0, 1, 200, 300); 

    vertex(x, y); 

    xoff += 0.05;

  }

  yoff += 0.01;

  vertex(width, height);

  vertex(0, height);

  endShape(CLOSE);

}

void boat () {

  float z = sin(num)*100+250;

  fill(#493f45);//brownsihpurple

  quad(z, a, z+20, a, z+10, a+10, z+4, a+10);

  //sail

  fill(#c1271f);//red

  triangle(z+10, a-10, z+10, a-5, z+15, a-8);

  line(z+10, a-5, z+10, a);

  num += counter;

}

void mousePressed (){

    saveFrame();

  }