Files
snk/packages/draw/drawWorld.ts
2020-10-09 12:23:50 +02:00

88 lines
1.9 KiB
TypeScript

import { Grid, Color } from "@snk/compute/grid";
import { drawGrid } from "./drawGrid";
import { Snake } from "@snk/compute/snake";
import { drawSnake, drawSnakeLerp } from "./drawSnake";
export type Options = {
colorDots: Record<Color, string>;
colorEmpty: string;
colorBorder: string;
colorSnake: string;
sizeCell: number;
sizeDot: number;
sizeBorderRadius: number;
};
export const drawStack = (
ctx: CanvasRenderingContext2D,
stack: Color[],
max: number,
width: number,
o: { colorDots: Record<Color, string> }
) => {
ctx.save();
const m = width / max;
for (let i = 0; i < stack.length; i++) {
// @ts-ignore
ctx.fillStyle = o.colorDots[stack[i]];
ctx.fillRect(i * m, 0, m + width * 0.005, 10);
}
ctx.restore();
};
export const drawWorld = (
ctx: CanvasRenderingContext2D,
grid: Grid,
snake: Snake,
stack: Color[],
o: Options
) => {
ctx.save();
ctx.translate(1 * o.sizeCell, 2 * o.sizeCell);
drawGrid(ctx, grid, o);
drawSnake(ctx, snake, o);
ctx.restore();
ctx.save();
ctx.translate(o.sizeCell, (grid.height + 4) * o.sizeCell);
const max = grid.data.reduce((sum, x) => sum + +!!x, stack.length);
drawStack(ctx, stack, max, grid.width * o.sizeCell, o);
ctx.restore();
// ctx.save();
// ctx.translate(o.sizeCell + 100, (grid.height + 4) * o.sizeCell + 100);
// ctx.scale(0.6, 0.6);
// drawCircleStack(ctx, stack, o);
// ctx.restore();
};
export const drawLerpWorld = (
ctx: CanvasRenderingContext2D,
grid: Grid,
snake0: Snake,
snake1: Snake,
stack: Color[],
k: number,
o: Options
) => {
ctx.save();
ctx.translate(1 * o.sizeCell, 2 * o.sizeCell);
drawGrid(ctx, grid, o);
drawSnakeLerp(ctx, snake0, snake1, k, o);
ctx.translate(0, (grid.height + 2) * o.sizeCell);
const max = grid.data.reduce((sum, x) => sum + +!!x, stack.length);
drawStack(ctx, stack, max, grid.width * o.sizeCell, o);
ctx.restore();
};