Xu Xu – Project 11 – Landscape

sketch

var waterSpeed = 0.00005;
var waterDetail = 0.003;
var mountain1Speed = 0.0009;
var mountain1Detail = 0.05;
var mountain2Speed = 0.0005;
var mountain2Detail = 0.014;
var crows = [];

function setup() {
    createCanvas(480, 400);
    frameRate(10);
    for (var i = 0; i < 9; i++){
        var crowX = random(width);
        var crowY = random(0, 200);
        crows[i] = makeCrow(crowY, crowX);
    }
}

function draw(){
    background(240);
    drawSun();
    drawMountain2();
    drawMountain1();
    drawBoat();
    drawWater();
    updateCrow();
    addCrow();
    removeCrow();


}
function drawSun(){
    noStroke();
    fill(239.7, 186.15, 204, 25);
    ellipse(300, 200, 500, 500);
    fill(239.7, 186.15, 204, 30);
    ellipse(350, 200, 350, 350);
    fill(239.7, 186.15, 204, 35);
    ellipse(390, 200, 200, 200);

}
function drawBoat(){
        //line(265, 330, 240, 360);
    noStroke();
    fill(100);
    arc(255,345, 50, 10, 0, PI);
    ellipse(260,340, 5, 20);
    ellipse(260, 328, 5, 5);
    triangle(250, 326, 270, 326, 260, 323);

}
function drawMountain2(){
    noStroke();
    fill(188.7, 211.65, 229.5);
    beginShape();
    for (var i = 0; i < width; i ++){
        var x = (i * mountain2Detail) + (millis() * mountain2Speed);
        var y = map(noise(x), 0, 1.5, 50, 300);
        vertex(i, y);
    }
    vertex(width, height);
    vertex(0, height);
    endShape();
}

function drawMountain1(){
    noStroke();
    fill(155.55, 196.35, 226.95);
    beginShape();
    for (var i = 0; i < width; i ++){
        var x = (i * mountain1Detail) + (millis() * mountain1Speed);
        var y = map(noise(x), 0, 1.2, 150, 250);
        vertex(i, y);
    }
    vertex(width, height);
    vertex(0, height);
    endShape();
}
function drawWater(){
    noStroke();
    fill(119.85, 140.25, 165.75);
    beginShape();
    for (var i = 0; i < width; i ++){
        var x = (i * waterDetail) + (millis() * waterSpeed);
        var y = map(noise(x), 0, 1.8, 345, 360);
        vertex(i, y);
    }
    vertex(width, height);
    vertex(0, height);
    endShape();
}
function makeCrow(crowX, crowY){
    var crow = {
        x: crowX,
        y: crowY,
        velocity: random(3, 18),
        size: random(5, 10),
        move: moveCrow,
        show: showCrow,
    }
    return crow;
}
function moveCrow(){
    this.x -= this.velocity;
    this.y -= this.velocity / random(5, 10);
}
function showCrow(){
    strokeWeight(1);
    stroke(0);
    noFill();
    arc(this.x, this.y, this.size, this.size/2, PI, TWO_PI);
    arc(this.x + this.size, this.y, this.size, this.size/2, PI, TWO_PI);
}
function updateCrow(){
    for(i = 0; i < crows.length; i++){
        crows[i].move();
        crows[i].show();
    }
}
function addCrow(){
    if (random(0,1) < 0.1){
        var crowX = width;
        var crowY = random(0, height/2);
        crows.push(makeCrow(crowX, crowY));
    }
}
function removeCrow(){
    var keep = [];
    for (i = 0; i < crows.length; i++){
        if (crows[i].x + crows[i].size > 0){
            keep.push(crows[i]);
        }
    }
    crows = keep;
}

For this project, I wanted to create someone on a boat flowing along the landscape, with crows flying in the opposite direction.

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