126 lines
3.4 KiB
TypeScript
126 lines
3.4 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 SlippyBoard from './SlippyBoard';
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import SingleTouchHandler from './SingleTouchHandler';
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import DoubleTouchHandler from './DoubleTouchHandler';
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import TiledLayer from './TiledLayer';
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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 nbTiles =
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Math.ceil((Math.max(props.width, props.height) * 2) / 256) + 2;
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const boardSize = nbTiles * 256;
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const [shift, setShift] = useState({ x: -boardSize / 2, y: -boardSize / 2 });
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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 = (
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zoomFactor: number,
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center: { x: number; y: number },
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deltaShift: { x: number; y: number } = { x: 0, y: 0 }
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) => {
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addShift({
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x: (shift.x - center.x) * (zoomFactor - 1) + deltaShift.x,
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y: (shift.y - center.y) * (zoomFactor - 1) + deltaShift.y,
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});
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setZoom(zoom * zoomFactor);
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};
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console.log(`Rendering Map, zoom:${zoom}, shift:${JSON.stringify(shift)}`);
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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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<SingleTouchHandler
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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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<DoubleTouchHandler
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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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</SingleTouchHandler>
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</MouseHandler>
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<SlippyBoard
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boardSize={boardSize}
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shift={shift}
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zoom={zoom}
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layers={[
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{
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key: 'background',
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content: (
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<rect
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x='0'
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y='0'
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width={boardSize}
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height={boardSize}
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fill='red'
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/>
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),
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},
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{
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key: 'tiles1',
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content: (
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<TiledLayer
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height={props.height}
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width={props.width}
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shift={shift}
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zoom={zoom}
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tileSize={256}
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nbTiles={nbTiles}
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active={zoom < 2}
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/>
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),
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},
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{
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key: 'tiles2',
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transform: 'scale(.5)',
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content: (
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<TiledLayer
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height={props.height * 2}
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width={props.width * 2}
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shift={{ x: shift.x * 2, y: shift.y * 2 }}
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zoom={zoom}
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tileSize={256}
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nbTiles={nbTiles * 2}
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active={zoom >= 2}
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/>
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),
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},
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{ key: 'circle', content: <circle cx='50' cy='50' r='50' /> },
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]}
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/>
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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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