Austin Garcia – Project 11 – Generative Landscape

sketch

/*		Austin Garcia
		Section C
		aegarcia@andrew.cmu.edu
		Project 11
*/

var mushrooms = [];
var capColor
var terrainSpeed = 0.0005;
var terrainDetail = 0.005;

function setup() {
    createCanvas(600, 400);

    capColor = color(random(100, 180),random(100, 180),random(100, 180))
    stemColor = color(random(20, 80),random(20, 80),random(20, 80))
    // create an initial collection of mushrooms
    for (var i = 0; i < 10; i++){
        var rx = random(width);
        mushrooms[i] = makeMushroom(rx);
    }
    frameRate(10);
}


function draw() {
    background(200);

    updateAndDisplaymushrooms();
    removemushroomsThatHaveSlippedOutOfView();
    addNewmushroomsWithSomeRandomProbability();

    noFill();
    beginShape();
    for (var x = 0; x < width; x++) {
        var t = (x * terrainDetail) + (millis() * terrainSpeed);
        var y = map(noise(t), 0,1, 0, height);
        vertex(x, y);
    }
    endShape();

    rect(0, 0, width - 1, height - 1);
    displayStatusString();
    displayHorizon();




}


function updateAndDisplaymushrooms(){
    // Update the Mushroom's positions, and display them.
    for (var i = 0; i < mushrooms.length; i++){
        mushrooms[i].move();
        mushrooms[i].display();
    }
}


function removemushroomsThatHaveSlippedOutOfView(){
    // If a Mushroom has dropped off the left edge,
    // remove it from the array.  This is quite tricky, but
    // we've seen something like this before with particles.
    // The easy part is scanning the array to find mushrooms
    // to remove. The tricky part is if we remove them
    // immediately, we'll alter the array, and our plan to
    // step through each item in the array might not work.
    //     Our solution is to just copy all the mushrooms
    // we want to keep into a new array.
    var mushroomsToKeep = [];
    for (var i = 0; i < mushrooms.length; i++){
        if (mushrooms[i].x + mushrooms[i].breadth > 0) {
            mushroomsToKeep.push(mushrooms[i]);
        }
    }
    mushrooms = mushroomsToKeep; // remember the surviving mushrooms
}


function addNewmushroomsWithSomeRandomProbability() {
    // With a very tiny probability, add a new Mushroom to the end.
    var newMushroomLikelihood = 0.007;
    if (random(0,1) < newMushroomLikelihood) {
        mushrooms.push(makeMushroom(width));
    }
}


// method to update position of Mushroom every frame
function MushroomMove() {
    this.x += this.speed;
}


// draw the Mushroom and some windows
function MushroomDisplay() {
    var floorHeight = 20;
    var bHeight = this.nFloors * floorHeight;
    fill(255);
    strokeWeight(0);
    push();
    translate(this.x, height - 40);
    fill(stemColor);
    rect(0, -bHeight, this.breadth, bHeight);
    fill(capColor);
    arc(5, -bHeight, this.breadth + 100, bHeight / 2, 3.1, 6.2)

    /*for (var i = 0; i < this.nFloors; i++) {
        rect(5, -15 - (i * floorHeight), this.breadth - 10, 10);
    } */
    pop();
}


function makeMushroom(birthLocationX) {
    var bldg = {x: birthLocationX,
                breadth: random(10, 20),
                speed: -1.0,
                nFloors: round(random(2,8)),
                move: MushroomMove,
                display: MushroomDisplay}
    return bldg;
}


function displayHorizon(){
    stroke(0);
    line (0,height-50, width, height-50);
}

/*
function displayStatusString(){
    noStroke();
    fill(0);
    var statusString = "# mushrooms = " + mushrooms.length;
    text(statusString, 5,20);
}
*/

Author: Austin Garcia

5th year Architecture Student View all posts by Austin Garcia