Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 | 27x 27x 7x 7x 7x 6x 27x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 5x 5x 5x 5x 5x 5x 5x 5x 27x 28x | import { floodFill } from "ts-flood-fill";
type SetValueFn<T> = (x: number, y: number, value: T) => void;
type InBoundsFn = (x: number, y: number) => boolean;
const paint = <T>(
x: number,
y: number,
size: number,
value: T,
setValue: SetValueFn<T>,
isInBounds: InBoundsFn
) => {
for (let xi = x; xi < x + size; xi++) {
for (let yi = y; yi < y + size; yi++) {
if (isInBounds(xi, yi)) {
setValue(xi, yi, value);
}
}
}
};
const paintLine = <T>(
startX: number,
startY: number,
endX: number,
endY: number,
size: number,
value: T,
setValue: SetValueFn<T>,
isInBounds: InBoundsFn
) => {
let x1 = startX;
let y1 = startY;
const x2 = endX;
const y2 = endY;
const dx = Math.abs(x2 - x1);
const dy = Math.abs(y2 - y1);
const sx = x1 < x2 ? 1 : -1;
const sy = y1 < y2 ? 1 : -1;
let err = dx - dy;
paint(x1, y1, size, value, setValue, isInBounds);
while (!(x1 === x2 && y1 === y2)) {
const e2 = err << 1;
if (e2 > -dy) {
err -= dy;
x1 += sx;
}
if (e2 < dx) {
err += dx;
y1 += sy;
}
paint(x1, y1, size, value, setValue, isInBounds);
}
};
const paintMagic = <T>(
bgWidth: number,
tileLookup: number[],
x: number,
y: number,
value: T,
setValue: SetValueFn<T>,
isInBounds: InBoundsFn
) => {
const tileindex = bgWidth * y + x;
const targetTileID = tileLookup[tileindex];
let x1 = x;
let y1 = y;
tileLookup.forEach((element, index) => {
Iif (element === targetTileID) {
x1 = index % bgWidth;
y1 = (index / bgWidth) >> 0;
paint(x1, y1, 1, value, setValue, isInBounds);
}
});
};
export { paint, paintLine, floodFill, paintMagic };
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