Author: Andrew

I take references from this animation/rendering competition and made this robot pushing a sphere in an alien planet:

I have trees generation in the background

boulders in front

and hills in the back

/*
 * Andrew J Wang
 * ajw2@andrew.cmu.edu
 * Section A
 *
 * This Program is walking
 */

//sets of links

//location of feets of the walking person
var pointXG = 0;
var pointYG = 0;

//steps (frame) locations of the feets
var stepsX = [0,1,2,3,4,5,6,7,8,9,10,10,10,10,10,10,9,8,7,6,5,4,3,2,1,0];
var stepsY = [0,0.5,1,1.5,2,2.5,3,3.5,4,4.5,5,4,3,2,1,0,0,0,0,0,0,0,0,0,0,0];

//counters for multiple frames (feet + mountains)
var counter = 0;

//location of the person on the drawing
var locationX = 120;
var locationY = 200;

//arrays for trees for clusters of boulders 
var trees = [];
var clusters = [];

//set a array for land heights (FROM PREVIOUS ASSIGNMENT)
var landHeight = [];
var landHeight2 = [];

//create noice parameter and steps
var noiseParam = 0;
var noiseParam2 = 0;
var noiseStep = 0.005;
var noiseStep2 = 0.01;

function setup() {
    createCanvas(480,300);
    // create an initial collection of trees
    for (var i = 0; i < 5; i++){
        var rx = random(width);
        trees[i] = makeTrees(rx);
    }

    // create an initial collection of boulders
    for (var i = 0; i < 10; i++)
    {
        var rx2 = random(width);
        clusters[i] = makeClusters(rx2);
    }

    //hill #1
    for (var k=0; k<=480; k++)
    {   
        //get noise through noise param
        var n = noise(noiseParam);
        //remapping based on height
        var value = map(n,0,1,0,height/4)+130;
        //add to array
        landHeight.push(value);
        //plus steps
        noiseParam += noiseStep;
    }

    //hill #2
    for (var k=0; k<=480; k++)
    {   
        //get noise through noise param
        var n2 = noise(noiseParam2);
        //remapping based on height
        var value2 = map(n2,0,1,0,height/3)+80;
        //add to array
        landHeight2.push(value2);
        //plus steps
        noiseParam2 += noiseStep2;
    }

}


function draw() {
    background(100);

    //MOON
    push();
    noStroke();
    fill(255,255,220);
    ellipse(380,0,250,250);
    pop();

    //draw first sets of hill
    push();
    noStroke();
    fill(240);
    beginShape();
    //fist vertex
    vertex(0,(locationY+70+60)*0.8-80);
    //for loop to grab all the vertex
    for (var k=0; k<=480; k++)
    {   
    vertex(k,landHeight2[k]);
    }
    //last vertex
    vertex(width,(locationY+70+60)*0.8-80);
    endShape(CLOSE);
    //adding another point by shifting
    var n2=noise(noiseParam2);
    var value2 = map(n2,0,1,0,height/3)+80;
    noiseParam2 += 0.01/20;
    //slowing the speed of refreshing by using a counter
    if (counter%40==0)
    {
        landHeight2.shift();
        landHeight2.push(value2);
    }
    pop();

    //draw second sets of hill
    push();
    noStroke();
    fill(220);
    beginShape();
    //fist vertex
    vertex(0,(locationY+70+60)*0.8-80);
    //for loop to grab all the vertex
    for (var k=0; k<=480; k++)
    {   
    vertex(k,landHeight[k]);
    }
    //last vertex
    vertex(width,(locationY+70+60)*0.8-80);
    endShape(CLOSE);
    //adding another point by shifting
    var n=noise(noiseParam);
    var value = map(n,0,1,0,height/4)+130;
    noiseParam += 0.005/5;
    //slowing the speed of refreshing by using a counter
    if (counter%10==0)
    {
        landHeight.shift();
        landHeight.push(value);
    }
    pop();

    //ground plane
    push();
    noStroke();
    fill(200);
    rect(0,(locationY+70+60)*0.8-80,width, height-((locationY+70+60)*0.8-80));
    pop();

    //set trees and clusters by refreshing the removed objects and clusters
    updateDisplay();
    removeTrees();
    addTrees();
    removeClusters();
    addClusters();

    //walking person
    strokeWeight(3);
    push();

    //scaling it
    scale(0.6);
    translate(0,150);
    walking(locationX,locationY);
    walking2(locationX,locationY);
    body(locationX,locationY);

    //butt
    push();
    strokeWeight(2);
    ellipse(locationX,locationY,15,15);
    pop();
    pop();

    //display clusters in the end
    updateDisplay2();

}


//refreashing trees and display them
function updateDisplay(){
    for (var i = 0; i < trees.length; i++){
        trees[i].move();
        trees[i].display();
    }
}

//refreshing boulders and display them
function updateDisplay2(){
    for (var i = 0; i < clusters.length; i++){
        clusters[i].move();
        clusters[i].display();
    }
}

//removing trees if it is too far away from the screen
function removeTrees(){
    var treesToKeep = [];
    for (var i = 0; i < trees.length; i++){
        if (trees[i].x + trees[i].breadth > 0) {
            treesToKeep.push(trees[i]);
        }
    }
}

//removing boulders if it is too far away from the screen
function removeClusters(){
    var clustersToKeep = [];
    for (var i = 0; i < clusters.length; i++){
        if (clusters[i].x + clusters[i].breadth > 0) {
            clustersToKeep.push(clusters[i]);
        }
    }
}

//add trees 100 units away from border
function addTrees() {
    var Likelihood = 0.01; 
    if (random(0,1) < Likelihood) {
        trees.push(makeTrees(width+100));
    }
}

//add boulders 500 units away from border
function addClusters() {
    var Likelihood = 0.01; 
    if (random(0,1) < Likelihood) {
        clusters.push(makeClusters(width+500));
    }
}

//set trees values and function
function makeTrees(birthLocationX) {
    var tree = {x: birthLocationX,
                breadth: 100,
                speed: -0.4,
                y: 160+round(random(20)),
                treeHeight: round(random(40,50)),
                size: round(random(30,50)),
                move: objectMove,
                display: treeDisplay}
    return tree;
}

//set boulders values and functions
function makeClusters(birthLocationX) {
    var tree = {x: birthLocationX,
                breadth: 100,
                speed: -2.0,
                treeHeight: round(random(40,50)),
                size: round(random(200,350)),
                move: object2Move,
                display: clusterDisplay}
    return tree;
}

//move objects 
function objectMove() {
    this.x += this.speed;
}

function object2Move() {
    this.x += this.speed;
}

//draw trees
function treeDisplay() {
    line(this.x, this.y , this.x, this.y+this.treeHeight);

    push();
    translate(this.x,this.y);
    rectMode(CENTER);
    noFill();
    strokeWeight(1);

    push();
    rotate(-counter/180*Math.PI);
    rect(0,0,this.size,this.size);
    pop();

    push();
    rotate(counter/180*Math.PI);
    rect(0,0,this.size-10,this.size-10);
    pop();


    pop();
}

//draw bolders
function clusterDisplay() {
    push();
    fill(0);
    ellipse(this.x,height+30,this.size,this.size/2);
    strokeWeight(1.5);
    noFill();
    ellipse(this.x,height+30,this.size+20,this.size/2+10);
    pop();
}

//leg #1
function walking(xL,yL)
{   
    //counter/10 get frame number
    var counterK = Math.floor(counter/10)%(stepsX.length);

    //Feet locations
    pointXG = xL-70+stepsX[counterK]*6;
    pointYG = yL+70-stepsY[counterK]*4;

    //Pathegorean theorm to get the knee and legs
    var dis = Math.sqrt((xL-pointXG)*(xL-pointXG)+(yL-pointYG)*(yL-pointYG));
    var num = (10000)-(dis*dis);
    var sid = sqrt(num);
    var midX = xL-(xL-pointXG)/2;
    var midY = yL-(yL-pointYG)/2;
    var tan = atan2(pointXG-xL,pointYG-yL);
    ellipse ((pointXG-xL)/2+xL+cos(tan)*sid/2, (pointYG-yL)/2+yL-sin(tan)*sid/2, 5,5);
    line(xL,yL,(pointXG-xL)/2+xL+cos(tan)*sid/2, (pointYG-yL)/2+yL-sin(tan)*sid/2);
    line(pointXG,pointYG,(pointXG-xL)/2+xL+cos(tan)*sid/2, (pointYG-yL)/2+yL-sin(tan)*sid/2);

    //feet bending
    if (stepsY[counterK]==0)
    {
        line(pointXG,pointYG,pointXG+20,pointYG);
    }
    else
    {
        var tanF = atan2(Math.sqrt(400-stepsY[counterK]*2),stepsY[counterK]*4);
        line(pointXG,pointYG,pointXG+20*sin(tanF),pointYG+20*cos(tanF));
    }

    counter++;
}

//repeat for the second leg
function walking2(xL,yL)
{   
    var counterK = (Math.floor(counter/10)+stepsX.length/2)%(stepsX.length);
    pointXG = xL-70+stepsX[counterK]*6;
    pointYG = yL+70-stepsY[counterK]*4;
    var dis = Math.sqrt((xL-pointXG)*(xL-pointXG)+(yL-pointYG)*(yL-pointYG));
    var num = (10000)-(dis*dis);
    var sid = sqrt(num);
    var midX = xL-(xL-pointXG)/2;
    var midY = yL-(yL-pointYG)/2;
    var tan = atan2(pointXG-xL,pointYG-yL);
    ellipse ((pointXG-xL)/2+xL+cos(tan)*sid/2, (pointYG-yL)/2+yL-sin(tan)*sid/2, 5,5);
    line(xL,yL,(pointXG-xL)/2+xL+cos(tan)*sid/2, (pointYG-yL)/2+yL-sin(tan)*sid/2);
    line(pointXG,pointYG,(pointXG-xL)/2+xL+cos(tan)*sid/2, (pointYG-yL)/2+yL-sin(tan)*sid/2);
    if (stepsY[counterK]==0)
    {
        line(pointXG,pointYG,pointXG+20,pointYG);
    }
    else
    {
        var tanF = atan2(Math.sqrt(400-stepsY[counterK]*2),stepsY[counterK]*4);
        line(pointXG,pointYG,pointXG+20*sin(tanF),pointYG+20*cos(tanF));
    }

    counter++;

}

//body parts and other stuff
function body(xL,yL)
{
    var counterK = (Math.floor(counter/10)+stepsX.length/2)%(stepsX.length);
    var counterK2 = (Math.floor(counter/10)+10)%(stepsX.length);
    var counterK3 = (Math.floor(counter/10)+25)%(stepsX.length);
    push();
    strokeWeight(2);
    fill("grey")
    //shoulder 1
    ellipse(xL+35+stepsY[counterK2],yL-45-stepsX[counterK2],30,30);

    //hand
    ellipse(xL+35+60,yL-45-stepsX[counterK]+10,10,10);
    pop();

    //arms
    line(xL+35+stepsY[counterK],yL-45-stepsX[counterK],xL+35+30,yL-45-stepsX[counterK]+20);
    line(xL+35+30,yL-45-stepsX[counterK]+20,xL+35+60,yL-45-stepsX[counterK]+10);

    //body
    line(xL,yL,xL+35+stepsY[counterK],yL-45-stepsX[counterK]);

    push();
    fill("black");
    ellipse(xL+35+30,yL-45-stepsX[counterK]+20,5,5);
    pop();

    //Round thingy
    push();
    noFill();
    strokeWeight(2);
    ellipse(xL+35+175,yL-45,230,230);
    fill(255);
    ellipse(xL+35+175,yL-45,220,220);

    stroke(255);

    pop();


    //shoulder 2
    push();
    noStroke();
    ellipse(xL+35+stepsY[counterK2],yL-45-stepsX[counterK2],15,15);
    pop();

    //head
    push();
    strokeWeight(1);
    noFill();
    translate(xL+55+stepsY[counterK3],yL-85-stepsX[counterK3]);
    rectMode(CENTER);
    rotate(-counter/180*Math.PI);
    rect(0,0,40,40);
    rect(0,0,30,30);
    pop();

    push();
    strokeWeight(1);
    noFill();
    translate(xL+65+stepsY[counterK2]*2,yL-95-stepsX[counterK2]);
    rectMode(CENTER);
    rotate(counter/180*Math.PI);
    rect(0,0,25,25);
    rect(0,0,30,30);
    pop();

    push();
    strokeWeight(1);
    noFill();
    translate(xL+45+stepsY[counterK]*2,yL-75-stepsX[counterK]);
    rectMode(CENTER);
    rotate(counter/180*Math.PI);
    rect(0,0,25,25);
    rect(0,0,15,15);
    pop();

}