Files
snk/packages/draw/drawWorld.ts
2020-07-21 00:34:22 +02:00

64 lines
1.3 KiB
TypeScript

import { Grid, Color } from "@snk/compute/grid";
import { pathRoundedRect } from "./pathRoundedRect";
import { Point } from "@snk/compute/point";
import { drawGrid } from "./drawGrid";
type Options = {
colorDots: Record<Color, string>;
colorEmpty: string;
colorBorder: string;
colorSnake: string;
sizeCell: number;
sizeDot: number;
sizeBorderRadius: number;
};
export const drawSnake = (
ctx: CanvasRenderingContext2D,
snake: Point[],
o: Options
) => {
for (let i = 0; i < snake.length; i++) {
const u = (i + 1) * 0.6;
ctx.save();
ctx.fillStyle = o.colorSnake;
ctx.translate(snake[i].x * o.sizeCell + u, snake[i].y * o.sizeCell + u);
ctx.beginPath();
pathRoundedRect(
ctx,
o.sizeCell - u * 2,
o.sizeCell - u * 2,
(o.sizeCell - u * 2) * 0.25
);
ctx.fill();
ctx.restore();
}
};
export const drawWorld = (
ctx: CanvasRenderingContext2D,
grid: Grid,
snake: Point[],
stack: Color[],
o: Options
) => {
ctx.save();
ctx.translate(1 * o.sizeCell, 2 * o.sizeCell);
drawGrid(ctx, grid, o);
drawSnake(ctx, snake, o);
ctx.restore();
const m = 5;
ctx.save();
ctx.translate(o.sizeCell, (grid.height + 4) * o.sizeCell);
for (let i = 0; i < stack.length; i++) {
ctx.fillStyle = o.colorDots[stack[i]];
ctx.fillRect(i * m, 0, m, 10);
}
ctx.restore();
};