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caviar stars caviar releases caviar License


game engine built on top of deno_gl

Usage

moving squares

import { World, Scene, Rectangle } from 'https://deno.land/x/caviar/mod.ts';


class Game extends Scene {
    public test = new Rectangle(0, 0, 100, 100, "#00ff00");
    public test2 = new Rectangle(0, 0, 100, 100, "#00ff00");
    
    public setup() {
        this.addChild(this.test);
        this.addChild(this.test2);
    }
    public update() {
        this.test.setX(this.test.x + 5);
        this.test2.setX(this.test2.x + 2);
    }

}

const test = new World({
    title: "test",
    width: 800,
    height: 600,
    resizable: true,
}, [Game]);

await test.start();

perlin noise

import { World, Scene, Group, Rectangle } from 'https://deno.land/x/caviar/mod.ts';
import { PerlinNoise } from "https://deno.land/x/caviar/src/utils/mod.ts";

class Game extends Scene {
    public test: any;
    public chunkSize = 16;
    public tileSize = 16;
    public group: Group | undefined;
    
    public setup() {
        this.group = new Group(this, 0,0);
        this.world.loadPlugin('perlin', PerlinNoise);

        this.test = this.world.usePlugin('perlin');
        this.test.setSeed(0);

        for (let x = -40; x < this.chunkSize; x++) {
            for (let y = -40; y < this.chunkSize; y++) {
                const tileX = (1 * (this.chunkSize * this.tileSize)) + (x * this.tileSize);
                const tileY = (1 * (this.chunkSize * this.tileSize)) + (y * this.tileSize);
                const perlinValue = this.test.perlin2(tileX / 100, tileY / 100);
                if (perlinValue < 0.2) {
                    this.group.addChild(new Rectangle(tileX, tileY, this.tileSize, this.tileSize, '#ff0000'));
                }
                else if (perlinValue >= 0.2 && perlinValue < 0.3) {
                    this.group.addChild(new Rectangle(tileX, tileY, this.tileSize, this.tileSize, '#00ff00'));
                }
                else if (perlinValue >= 0.3) {
                    this.group.addChild(new Rectangle(tileX, tileY, this.tileSize, this.tileSize, '#0000ff'));
                }
            }
        }
        this.addChild(this.group);
    }
    public update() {
        
    }
}

const test = new World({
    title: "test",
    width: 800,
    height: 600,
    resizable: true,
}, [Game]);

await test.start();

pixel texture

import { Keys, PICO8, TextureSprite, Scene, World } from 'https://deno.land/x/caviar/mod.ts';
import type { KeyEvent, MouseDownEvent } from 'https://deno.land/x/caviar/mod.ts';

class Game extends Scene {
  public test = new TextureSprite(this, 10, 10, {
    data: [
      "..9..9..",
      "..9999..",
      ".AAAAAA.",
      ".A1F1FA.",
      ".AFFFFA.",
      ".FEEEEAA",
      ".EEEEEEA",
      "..E..E..",
    ],
    pixelWidth: 32,
    pixelHeight: 32,
    palette: PICO8,
  });

  public setup() {
    this.addChild(this.test);
  }
  public draw() {
    
  }
  public keyDown(key: KeyEvent) {
    switch (key.keycode) {
      case Keys.ARROWUP: {
        this.test.setY(this.test.y - 10);
        break;
      }
      case Keys.ARROWDOWN: {
        this.test.setY(this.test.y + 10);
        break;
      }
      case Keys.ARROWLEFT: {
        this.test.setX(this.test.x - 10);
        break;
      }
      case Keys.ARROWRIGHT: {
        this.test.setX(this.test.x + 10);
        break;
      }
    }
  }
}

const test = new World({
  title: "test",
  width: 800,
  height: 600,
  centered: true,
  fullscreen: false,
  hidden: false,
  resizable: true,
  minimized: false,
  maximized: false,
  flags: null,
}, [Game]);

await test.start();

License

MIT