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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,218 @@ | ||
| import React from 'react'; | ||
| import { Zoom } from '@vx/zoom'; | ||
| import { localPoint } from '@vx/event'; | ||
| import { RectClipPath } from '@vx/clip-path'; | ||
| import { genPhyllotaxis } from '@vx/mock-data'; | ||
| import { scaleLinear } from '@vx/scale'; | ||
| import { interpolateRainbow } from 'd3-scale-chromatic'; | ||
|
|
||
| const bg = '#0a0a0a'; | ||
| const points = [...new Array(1000)]; | ||
|
|
||
| const colorScale = scaleLinear({ range: [0, 1], domain: [0, 1000] }); | ||
| const sizeScale = scaleLinear({ domain: [0, 600], range: [0.5, 8] }); | ||
|
|
||
| const initialTransform = { | ||
| scaleX: 1.27, | ||
| scaleY: 1.27, | ||
| translateX: -211.62, | ||
| translateY: 162.59, | ||
| skewX: 0, | ||
| skewY: 0 | ||
| }; | ||
|
|
||
| export default class ZoomI extends React.Component { | ||
| constructor(props) { | ||
| super(props); | ||
| this.state = { showMiniMap: true }; | ||
| this.toggleMiniMap = this.toggleMiniMap.bind(this); | ||
| } | ||
|
|
||
| toggleMiniMap() { | ||
| this.setState(prevState => { | ||
| return { | ||
| showMiniMap: !prevState.showMiniMap | ||
| }; | ||
| }); | ||
| } | ||
|
|
||
| render() { | ||
| const { width, height } = this.props; | ||
| const { showMiniMap } = this.state; | ||
|
|
||
| const gen = genPhyllotaxis({ radius: 10, width, height }); | ||
| const phyllotaxis = points.map((d, i) => gen(i)); | ||
|
|
||
| return ( | ||
| <React.Fragment> | ||
| <Zoom | ||
| width={width} | ||
| height={height} | ||
| scaleXMin={1 / 2} | ||
| scaleXMax={4} | ||
| scaleYMin={1 / 2} | ||
| scaleYMax={4} | ||
| transformMatrix={initialTransform} | ||
| > | ||
| {zoom => { | ||
| return ( | ||
| <div style={{ position: 'relative' }}> | ||
| <svg | ||
| width={width} | ||
| height={height} | ||
| style={{ cursor: zoom.isDragging ? 'grabbing' : 'grab' }} | ||
| > | ||
| <RectClipPath id="zoom-clip" width={width} height={height} /> | ||
| <rect width={width} height={height} rx={14} fill={bg} /> | ||
| <g transform={zoom.toString()}> | ||
| {phyllotaxis.map((point, i) => { | ||
| return ( | ||
| <React.Fragment key={`dot-${i}`}> | ||
| <circle | ||
| cx={point.x} | ||
| cy={point.y} | ||
| r={i > 500 ? sizeScale(1000 - i) : sizeScale(i)} | ||
| fill={interpolateRainbow(colorScale(i))} | ||
| /> | ||
| </React.Fragment> | ||
| ); | ||
| })} | ||
| </g> | ||
| <rect | ||
| width={width} | ||
| height={height} | ||
| rx={14} | ||
| fill="transparent" | ||
| onWheel={zoom.handleWheel} | ||
| onTouchStart={zoom.dragStart} | ||
| onTouchMove={zoom.dragMove} | ||
| onTouchEnd={zoom.dragEnd} | ||
| onMouseDown={zoom.dragStart} | ||
| onMouseMove={zoom.dragMove} | ||
| onMouseUp={zoom.dragEnd} | ||
| onMouseLeave={() => { | ||
| if (!zoom.isDragging) return; | ||
| zoom.dragEnd(); | ||
| }} | ||
| onDoubleClick={event => { | ||
| const point = localPoint(event); | ||
| zoom.scale({ scaleX: 1.1, scaleY: 1.1, point }); | ||
| }} | ||
| /> | ||
| {showMiniMap && ( | ||
| <g | ||
| clipPath="url(#zoom-clip)" | ||
| transform={` | ||
| scale(0.25) | ||
| translate(${width * 4 - width - 60}, ${height * 4 - height - 60}) | ||
| `} | ||
| > | ||
| <rect width={width} height={height} fill="#1a1a1a" /> | ||
| {phyllotaxis.map((d, i) => { | ||
| const { x, y } = d; | ||
| return ( | ||
| <React.Fragment key={`dot-sm-${i}`}> | ||
| <circle | ||
| cx={x} | ||
| cy={y} | ||
| r={i > 500 ? sizeScale(1000 - i) : sizeScale(i)} | ||
| fill={interpolateRainbow(colorScale(i))} | ||
| /> | ||
| </React.Fragment> | ||
| ); | ||
| })} | ||
| <rect | ||
| width={width} | ||
| height={height} | ||
| fill="white" | ||
| fillOpacity={0.2} | ||
| stroke="white" | ||
| strokeWidth={4} | ||
| transform={zoom.toStringInvert()} | ||
| /> | ||
| </g> | ||
| )} | ||
| </svg> | ||
| <div className="controls"> | ||
| <button | ||
| className="btn btn-zoom" | ||
| onClick={() => zoom.scale({ scaleX: 1.2, scaleY: 1.2 })} | ||
| > | ||
| + | ||
| </button> | ||
| <button | ||
| className="btn btn-zoom btn-bottom" | ||
| onClick={() => zoom.scale({ scaleX: 0.8, scaleY: 0.8 })} | ||
| > | ||
| - | ||
| </button> | ||
| <button className="btn btn-lg" onClick={zoom.center}> | ||
| Center | ||
| </button> | ||
| <button className="btn btn-lg" onClick={zoom.reset}> | ||
| Reset | ||
| </button> | ||
| <button className="btn btn-lg" onClick={zoom.clear}> | ||
| Clear | ||
| </button> | ||
| </div> | ||
| <div className="mini-map"> | ||
| <button className="btn btn-lg" onClick={this.toggleMiniMap}> | ||
| {showMiniMap ? 'Hide' : 'Show'} Mini Map | ||
| </button> | ||
| </div> | ||
| </div> | ||
| ); | ||
| }} | ||
| </Zoom> | ||
| <div className="description"> | ||
| Based on Mike Bostock's{' '} | ||
| <a href="https://bl.ocks.org/mbostock/4e3925cdc804db257a86fdef3a032a45">Pan & Zoom III</a> | ||
| </div> | ||
| <style jsx>{` | ||
| .btn { | ||
| margin: 0; | ||
| text-align: center; | ||
| border: none; | ||
| background: #2f2f2f; | ||
| color: #888; | ||
| padding: 0 4px; | ||
| border-top: 1px solid #0a0a0a; | ||
| } | ||
| .btn-lg { | ||
| font-size: 12px; | ||
| line-height: 1; | ||
| padding: 4px; | ||
| } | ||
| .btn-zoom { | ||
| width: 26px; | ||
| font-size: 22px; | ||
| } | ||
| .btn-bottom { | ||
| margin-bottom: 1rem; | ||
| } | ||
| .description { | ||
| font-size: 12px; | ||
| margin-right: 0.25rem; | ||
| } | ||
| .controls { | ||
| position: absolute; | ||
| top: 15px; | ||
| right: 15px; | ||
| display: flex; | ||
| flex-direction: column; | ||
| align-items: flex-end; | ||
| } | ||
| .mini-map { | ||
| position: absolute; | ||
| bottom: 25px; | ||
| right: 15px; | ||
| display: flex; | ||
| flex-direction: column; | ||
| align-items: flex-end; | ||
| } | ||
| `}</style> | ||
| </React.Fragment> | ||
| ); | ||
| } | ||
| } |
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