Aaron Lee – Project 11 – Landscape

sketch

/*
Aaron Lee
Section C
sangwon2@andrew.cmu.edu
Project-11-Generative Landscape
*/

var stars = [];

function setup() {
    createCanvas(400,600);
    
    for (var i = 0; i < 15; i ++) {                      //initial placement of stars
        var starsX = random(width);
        var starsY = random(height);
        stars[i] = makestars(starsX, starsY);
    }
    frameRate(10);
}

function draw() {
    background("black");

    showstars();
    deletestars();
    makeNewstars();
    spaceship();
}

//----------------------------------------stars--------------------------------------------------
function showstars() {                                      //this makes the stars move down
    for(var i = 0; i < stars.length; i++) {
        stars[i].move();
        stars[i].display();
    }
}

function deletestars() {                                    //deletes stars that disappear from sight
    var starsToKeep = [];
    for (var i = 0; i < stars.length; i++) {
        if(stars[i].y > 600) {
            starsToKeep.push(stars[i]);
        }
    }
}

function makeNewstars() {                                   //creates more stars coming down
    var newstarsLiklihood =0.05
    if (random(0,1) < newstarsLiklihood) {
        stars.push(makestars(random(width), 0));
    }
}

function starsMove() {                                      //sets the move property of stars
    this.y += this.speed;
}

function starsDisplay() {                                   //what stars look like
    var starsSize = this.starsSize;
    fill("#FFFF00");
    noStroke();
    push();
    translate(this.x, this.y);
    rotate(frameCount / 200.0);
    star(0, 0, 5, 10, 5);
    pop();
}

function star(x, y, radius1, radius2, npoints) {
   let angle = TWO_PI / npoints;
   let halfAngle = angle / 2.0;
   beginShape();
   for (let a = 0; a < TWO_PI; a += angle) {
     let sx = x + cos(a) * radius2;
     let sy = y + sin(a) * radius2;
     vertex(sx, sy);
     sx = x + cos(a + halfAngle) * radius1;
     sy = y + sin(a + halfAngle) * radius1;
     vertex(sx, sy);
  }
  endShape(CLOSE);
}

function makestars(birthLocationX, birthLocationY) {       //function that makes the stars
    var stars = {x : birthLocationX,                                  //stars are born in random places
                y : birthLocationY, 
                speed : random(1, 5),                                //sets random speed of stars
                starsSize : random(10, 25),                          //sets random size of stars
                move : starsMove,  
                display : starsDisplay}
                return stars;
}


//----------------------------------------spaceship--------------------------------------------------
function spaceship() {                                 //function makes the spaceship window frame
    fill("#C0C0C0");
    strokeWeight(5);
    stroke("black");

    beginShape();
    vertex(0, 600);
    vertex(0, 520);
    vertex(400, 520);
    vertex(400, 600);
    endShape(CLOSE);

    beginShape();
    vertex(0, 80);
    vertex(0, 0);
    vertex(400, 0);
    vertex(400,80);
    endShape(CLOSE);
               
    beginShape();
    vertex(0, 0);
    vertex(80, 0);
    vertex(80, 600);
    vertex(0, 600);
    endShape(CLOSE);

    beginShape();
    vertex(320, 0);
    vertex(400, 0);
    vertex(400, 600);
    vertex(320, 600);
    endShape(CLOSE);

    fill("#808080");
    ellipse(120, 40, 30, 30);
    ellipse(200, 40, 30, 30);
    ellipse(280, 40, 30, 30);
    ellipse(120, 560, 30, 30);
    ellipse(200, 560, 30, 30);
    ellipse(280, 560, 30, 30);
}

When I first thought of the generative landscape, I associated with the infinite and the random arrangement of the stars in galaxy. Then I came up with a narrative that a spaceman is observing stars inside the spaceship. Overall I used monotone for the spaceship in order to give focus to the stars