85 lines
2.2 KiB
TypeScript
85 lines
2.2 KiB
TypeScript
/// <reference lib="dom" />
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export const game = true
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import type { GameContext, InputState } from "@/shared/types"
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import { rng } from "@/shared/utils.ts"
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const WIDTH = 960
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const HEIGHT = 540
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const SPEED = 10
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let x = rng(0, WIDTH)
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let y = rng(0, HEIGHT)
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type Cloud = { x: number; y: number; speed: number }
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const clouds: Cloud[] = [
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{ x: 200, y: 100, speed: 0.7 },
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{ x: 500, y: 150, speed: 0.5 },
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{ x: 50, y: 220, speed: 0.5 },
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]
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export function init() { console.log("init") }
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export function update(_delta: number, input: InputState) {
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if (input.pressed.has("ArrowUp") || input.pressed.has("w")) y -= 1 * SPEED
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if (input.pressed.has("ArrowDown") || input.pressed.has("s")) y += 1 * SPEED
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if (input.pressed.has("ArrowLeft") || input.pressed.has("a")) x -= 1 * SPEED
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if (input.pressed.has("ArrowRight") || input.pressed.has("d")) x += 1 * SPEED
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for (const cloud of clouds) {
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cloud.x += cloud.speed
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if (cloud.x > WIDTH + 80) { // off screen
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cloud.x = -80
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}
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}
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}
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export function draw(ctx: GameContext) {
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ctx.clear()
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// sky background
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ctx.rectfill(0, 0, ctx.width, ctx.height, "skyblue")
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// sun
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ctx.circfill(800, 100, 50, "yellow")
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// grass
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ctx.rectfill(0, 400, ctx.width, ctx.height, "green")
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// clouds
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for (const cloud of clouds) {
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drawCloud(ctx, cloud.x, cloud.y)
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}
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// house body
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ctx.rectfill(200, 250, 400, 400, "sienna")
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// roof (triangle-ish with lines)
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ctx.trianglefill(200, 250, 400, 250, 300, 150, "brown")
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// door
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ctx.rectfill(280, 320, 320, 400, "darkred")
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// windows
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ctx.rectfill(220, 270, 260, 310, "lightblue")
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ctx.rectfill(340, 270, 380, 310, "lightblue")
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// player
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ctx.circfill(x, y, 10, "magenta")
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ctx.circ(x, y, 11, "white")
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// tree trunk
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ctx.rectfill(500, 300, 540, 400, "saddlebrown")
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// tree top (a few circles for puffiness)
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ctx.circfill(520, 280, 40, "darkgreen")
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ctx.circfill(480, 300, 40, "darkgreen")
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ctx.circfill(560, 300, 40, "darkgreen")
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}
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function drawCloud(ctx: GameContext, x: number, y: number) {
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ctx.circfill(x, y, 30, "white")
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ctx.circfill(x + 30, y - 10, 40, "white")
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ctx.circfill(x + 60, y, 30, "white")
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ctx.circfill(x + 30, y + 10, 35, "white")
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} |