0.1.2 • Published 10 months ago
smallgame v0.1.2
Smallgame Lib.
Base game circle
index.html
<html>
<body>
<div id="container"></div>
<script src="index.js"></script>
</body>
</html>index.ts
import { Game, Surface, Key } from 'smallgame'
const GAME_WIDTH = 800
const GAME_HEIGHT = 800
const HERO_WIDTH = 100
const HERO_HEIGHT = 100
const HERO_SPEED = 5
const container = document.getElementById('container')
const { game, screen } = Game.create(GAME_WIDTH, GAME_HEIGHT, container)
const hero = new Surface(HERO_WIDTH, HERO_HEIGHT)
hero.fill('green')
hero.rect.moveSelf(screen.rect.center, 'center-center')
game.loop(() => {
const keys = game.key.getPressed()
if (keys[Key.K_A] || keys[Key.LEFT]) { hero.rect.x -= HERO_SPEED }
if (keys[Key.K_D] || keys[Key.RIGHT]) { hero.rect.x += HERO_SPEED }
if (keys[Key.K_W] || keys[Key.UP]) { hero.rect.y -= HERO_SPEED }
if (keys[Key.K_S] || keys[Key.DOWN]) { hero.rect.y += HERO_SPEED }
screen.clear()
screen.blit(hero, hero.rect))
})Show an image
import { Game, loadImage } from 'smallgame'
const GAME_WIDTH = 800
const GAME_HEIGHT = 800
async function main () {
const container = document.getElementById('container')
const { screen } = Game.create(GAME_WIDTH, GAME_HEIGHT, container)
const hero = await loadImage('hero.png')
screen.blit(hero, hero.rect)
}
main()Sketchs (Vector graphics)
import { Game, Sketch } from 'smallgame'
const GAME_WIDTH = 400
const GAME_HEIGHT = 400
const container = document.getElementById('container')
const { screen } = Game.create(GAME_WIDTH, GAME_HEIGHT, container)
const heroSketch = Sketch()
heroSketch.roundedrect({ fill: 'tomato' }, new Rect(10, 10, 200, 200), 16)
const hero = heroSketch.toSurface()
screen.blit(hero, hero.rect)Works with sprites
hero.ts
import { Sprite, Point, loadImage } from 'smallgame'
export class Hero extends Sprite {
position = Point.zero
async create () {
this.image = await loadImage('hero.png')
this.rect = this.image.rect
}
protected update(): void {
this.rect.moveSelf(this.position, 'center-center')
}
moveUp() { hero.position.y -= 5 }
moveDown() { hero.position.y += 5 }
moveLeft() { hero.position.x -= 5 }
moveRight() { hero.position.x -= 5 }
}index.ts
import { Game, Key } from 'smallgame'
import { Hero } from './hero'
const GAME_WIDTH = 800
const GAME_HEIGHT = 800
async function main () {
const container = document.getElementById('container')
const { game, screen } = Game.create(GAME_WIDTH, GAME_HEIGHT, container)
const hero = new Hero()
await hero.create()
hero.position = screen.rect.center
game.loop(() => {
const keys = game.key.getPressed()
if (keys[Key.K_A] || keys[Key.LEFT]) { hero.moveLeft() }
if (keys[Key.K_D] || keys[Key.RIGHT]) { hero.moveRight() }
if (keys[Key.K_W] || keys[Key.UP]) { hero.moveUp() }
if (keys[Key.K_S] || keys[Key.DOWN]) { hero.moveDown() }
screen.fill('white')
hero.draw(screen)
})
}
main()Tile Maps
import { Game, loadTileMap } from 'smallgame'
const GAME_WIDTH = 800
const GAME_HEIGHT = 800
const TILE_WIDTH = 16
const TILE_HEIGHT = 16
const GAP = 2
async function main() {
const { screen } = Game.create(GAME_WIDTH, GAME_HEIGHT, container)
const backgroud = createTileBackgroud()
const map = await loadTileMap(TILE_WIDTH, TILE_HEIGHT, 'tileset.png')
map.y = map.x = 0 | GAP / 2
for (let i = 0; i < map.rows; i++) {
for (let j = 0; j < map.cols; j++) {
const image = map.cell(i, j)
const x = j * (image.width + GAP)
const y = i * (image.height + GAP)
screen.blit(backgroud, { x, y })
screen.blit(image, { x, y })
}
}
}
function createTileBackgroud() {
const rect = new Rect(0, 0, TILE_WIDTH + GAP, TILE_HEIGHT + GAP)
const sketch = new Sketch()
sketch.rect({ fill: 'gray' }, rect)
return sketch.toSurface(rect.width, rect.height)
}
main()