51 lines
1.3 KiB
TypeScript
51 lines
1.3 KiB
TypeScript
import { IonContent } from '@ionic/react';
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import react, { useState } from 'react';
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import './Map.css';
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import MouseHandler from './MouseHandler';
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import Viewport from './Viewport';
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interface MapProperties {
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height: number;
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width: number;
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}
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const Map: react.FC<MapProperties> = (props: MapProperties) => {
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const boardSize = Math.max(props.width, props.height) * 2;
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const [shift, setShift] = useState({ x: 0, y: 0 });
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const [zoom, setZoom] = useState(1);
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const addShift = (deltaShift: { x: number; y: number }) => {
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setShift({ x: shift.x + deltaShift.x, y: shift.y + deltaShift.y });
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};
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const addZoom = (zoomFactor: number, center: { x: number; y: number }) => {
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setShift({
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x: (shift.x - center.x) * (zoomFactor - 1),
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y: (shift.y - center.y) * (zoomFactor - 1),
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});
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setZoom(zoom * zoomFactor);
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};
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return (
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<IonContent fullscreen={true}>
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<div
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className='map'
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style={{ width: props.width + 'px', height: props.height + 'px' }}
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>
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<MouseHandler
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shift={shift}
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addShift={addShift}
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zoom={zoom}
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addZoom={addZoom}
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boardSize={boardSize}
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/>
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<Viewport boardSize={boardSize} shift={shift} zoom={zoom} />
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</div>
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</IonContent>
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);
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};
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export default Map;
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