// initialize context kaplay(); // define gravity setGravity(2400); // load a sprite called "bean" loadSprite("bean", "sprites/bean.png"); // compose the player game object from multiple components and add it to the game const bean = add([ sprite("bean"), pos(80, 40), area(), body(), ]); // press space to jump onKeyPress("space", () => { // this method is provided by the "body" component above bean.jump(); });

// add a game obj to the scene from a list of component const player = add([ // it renders as a sprite sprite("bean"), // it has a position pos(100, 200), // it has a collider area(), // it is a physical body which will respond to physics body(), // it has 8 of health health(8), // or give it tags for easier group behaviors "player", "friendly", // plain objects fields are directly assigned to the game obj { dir: vec2(-1, 0), dead: false, speed: 240, }, ]);

// .onCollide() comes from "area" component player.onCollide("enemy", () => { // .hurt() comes from "health" component player.hurt(1); }); // check fall death player.onUpdate(() => { if (player.pos.y >= height()) { destroy(player); gameOver(); } }); // if 'player' onCollide with any object with tag "enemy", run the callback player.onCollide("enemy", () => { player.hp -= 1; }); // all objects with tag "enemy" will move towards 'player' every frame onUpdate("enemy", (e) => { e.move(player.pos.sub(e.pos).unit().scale(e.speed)); }); // move up 100 pixels per second every frame when "w" key is held down onKeyDown("w", () => { player.move(0, 100); });

import kaplay from "kaplay"; kaplay(); add([ text("oh hi"), pos(80, 40), ]);

const kaboom = require("kaplay");