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fix: air blocks not working with magic wand tool

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trafficlunar 2025-01-31 14:05:44 +00:00
parent c8edd54f4f
commit 59d69152dc
1 changed files with 16 additions and 13 deletions
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29
src/components/canvas/Canvas.tsx
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@ -341,15 +341,17 @@ function Canvas() {
const visited = new Set<string>();
const result: CoordinateArray = [];
const startBlock = blocks.find((block) => block.x === mouseCoords.x && block.y === mouseCoords.y);
const startName = startBlock ? startBlock.name : "air";
// Return if the block is not found
if (!startBlock) return result;
function depthFirstSearch(block: Block) {
const key = `${block.x},${block.y}`;
function depthFirstSearch(x: number, y: number) {
const key = `${x},${y}`;
if (visited.has(key)) return;
visited.add(key);
result.push([block.x, block.y]);
const withinCanvas = x >= canvasSize.minX && x < canvasSize.maxX && y >= canvasSize.minY && y < canvasSize.maxY;
if (!withinCanvas) return;
result.push([x, y]);
// Directions for adjacent blocks (up, down, left, right)
const directions = [
@ -360,17 +362,18 @@ function Canvas() {
];
for (const { dx, dy } of directions) {
const newX = block.x + dx;
const newY = block.y + dy;
const adjacentBlock = blocks.find((b) => b.x === newX && b.y === newY && b.name === block.name);
const newX = x + dx;
const newY = y + dy;
const adjacentBlock = blocks.find((b) => b.x === newX && b.y === newY);
const adjacentName = adjacentBlock ? adjacentBlock.name : "air";
if (adjacentBlock) {
depthFirstSearch({ ...block, x: newX, y: newY });
if (adjacentName === startName) {
depthFirstSearch(newX, newY);
}
}
}
depthFirstSearch({ name: startBlock.name, x: mouseCoords.x, y: mouseCoords.y });
depthFirstSearch(mouseCoords.x, mouseCoords.y);
setSelectionCoords((prev) => {
if (holdingAltRef.current) {
// If holding alt, remove new magic wand selection
@ -402,7 +405,7 @@ function Canvas() {
default:
break;
}
}, [tool, holdingAltRef, scale, mouseCoords, blocks, setSelectionCoords, setSelectedBlock, zoom]);
}, [tool, holdingAltRef, scale, mouseCoords, blocks, canvasSize, setSelectionCoords, setSelectedBlock, zoom]);
const onKeyDown = useCallback(
async (e: KeyboardEvent) => {