sketchout a canvas applet

This commit is contained in:
Tangent 2024-01-12 20:21:58 -05:00
parent a7300c16b7
commit d106823e19
2 changed files with 36 additions and 0 deletions

25
island.ts Normal file
View file

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const BLOWUP = 4;
const WIDTH = 240;
const HEIGHT = 135;
export function IslandApplet() {
const canvas = Object.assign(document.createElement("canvas"), {
width: WIDTH * BLOWUP,
height: HEIGHT * BLOWUP,
} satisfies Partial<HTMLCanvasElement>);
const cx = canvas.getContext("2d");
if (!cx) {
throw new Error("2D rendering context not supported");
}
cx.scale(BLOWUP, BLOWUP);
cx.fillStyle = "red";
cx.fillRect(0, 0, WIDTH, HEIGHT);
cx.fillStyle = "blue";
cx.fillRect(1, 1, WIDTH - 2, HEIGHT - 2);
return [canvas];
}
(globalThis as any).IslandApplet = IslandApplet;