27 lines
868 B
TypeScript
27 lines
868 B
TypeScript
import { useContext } from "react";
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import { CanvasContext } from "@/context/Canvas";
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import { SelectionContext } from "@/context/Selection";
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import { ToolContext } from "@/context/Tool";
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import { useRadiusPosition } from "../useRadiusPosition";
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export function useEraserTool(mouseCoords: Position) {
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const { blocks, setBlocks } = useContext(CanvasContext);
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const { isInSelection } = useContext(SelectionContext);
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const { radius } = useContext(ToolContext);
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const radiusPosition = useRadiusPosition(mouseCoords);
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const use = () => {
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const updated = blocks.filter((block) => {
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const withinRadius =
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block.x >= radiusPosition.x && block.x < radiusPosition.x + radius && block.y >= radiusPosition.y && block.y < radiusPosition.y + radius;
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return !withinRadius || !isInSelection(block.x, block.y);
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});
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setBlocks(updated);
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};
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return { use };
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}
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