Scaffold climber

var player;

var frame;

var stages;

var base;

var scaffolds;

​

var groundSensor;

​

const jumpForce    = 5;

const moveForce    = 3;

const friction     = 2;

const startHeight  = 874;

const killPower = 2.3;

const initialDropTime = 3000;

const dropTime  = 6000;

​

function setup() {

  new Canvas("1:2");

  world.gravity.y = 9.807;

  allSprites.autoCull = false;

  background(255);

  stages          = new Group();

  stages.color    = "black";

  stages.collider = "static";

  stages.friction = friction;

  const margin = 10;

  base = new stages.Sprite(canvas.hw, canvas.h, canvas.w, margin, "static");

  const wallHeight = 20000;

  let left  = new stages.Sprite(           margin / 2, canvas.h - wallHeight / 2, margin, wallHeight, "static");

  let right = new stages.Sprite(canvas.w - margin / 2, canvas.h - wallHeight / 2, margin, wallHeight, "static");

  const diameter = 20;

  player          = new Sprite(canvas.hw, canvas.h -(diameter + margin), diameter);

  player.color    = "red";

  player.friction = friction;

  //player.rotationDrag = rotationDrag;

  const sensor = {

    width  : diameter,

    height : diameter

  };

  groundSensor = new Sprite(player.x, player.y + diameter + sensor.width / 2, sensor.width, sensor.height, "none");

  groundSensor.visible = false;

  groundSensor.mass  = 0.01;

  let joint = new GlueJoint(player, groundSensor);

  joint.visible = false;

  scaffolds          = new Group();

  scaffolds.color    = "black";

  scaffolds.friction = friction;

  scaffoldSequence();

}

​

const Graphs = [

  'triangle', 'square', 'pentagon', 'hexagon',

  'septagon','octagon', 'enneagon', 'decagon',

  'hendecagon', 'dodecagon'

];

const radius = 40;

​

var initialCall = true;

var gameover    = false;

​

async function scaffoldSequence(){

  if(gameover)

    return;

  if(initialCall){

    await delay(initialDropTime);

    initialCall = false;

  }

  let graph = Graphs[ Math.round(random(Graphs.length)) ];

  let scaffold = new scaffolds.Sprite(random(radius, canvas.w - radius), player.y - canvas.h + 100, radius, graph);

  await delay(dropTime);

  scaffoldSequence();

}

​

function draw() {

  clear();

  const score = "score:" + (startHeight - parseInt(player.y)).toString();

  textSize(32);

  textAlign(CENTER);

  text(score, canvas.hw, 42);

  if(gameover){

    fill("red");

    text("You Died!", canvas.hw, canvas.hh);

    return;

  }

  camera.on();

  if(groundSensor.overlapping(base) || groundSensor.overlapping(scaffolds)){

      if(kb.pressing(" ")){

        player.vel.y = -jumpForce;

      }

  }

  if(kb.pressing("left")){

    player.vel.x = -moveForce;

  }

  if(kb.pressing("right")){

    player.vel.x = moveForce;

  }

  camera.y = player.y - 300;

  camera.off();

  if(player.collides(scaffolds)){

    for(const scaffold of scaffolds){

      if(player.collides(scaffold)){

        const ySquared = scaffold.vel.y * scaffold.vel.y;

        const xSquared = scaffold.vel.x * scaffold.vel.x;

        const accellaration = Math.sqrt(ySquared + xSquared);

        if(accellaration > killPower){

          player.visible = false;

          gameover = true;

        }

      }

    }

  }

​

}