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1 line
14 KiB
JavaScript
1 line
14 KiB
JavaScript
(function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){var bezierCurve=require("../lib/index");window.bezierCurve=bezierCurve},{"../lib/index":4}],2:[function(require,module,exports){"use strict";var _interopRequireDefault=require("@babel/runtime/helpers/interopRequireDefault");Object.defineProperty(exports,"__esModule",{value:true});exports.bezierCurveToPolyline=bezierCurveToPolyline;exports.getBezierCurveLength=getBezierCurveLength;exports["default"]=void 0;var _slicedToArray2=_interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));var _toConsumableArray2=_interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));var sqrt=Math.sqrt,pow=Math.pow,ceil=Math.ceil,abs=Math.abs;var defaultSegmentPointsNum=50;function abstractBezierCurveToPolyline(bezierCurve){var precision=arguments.length>1&&arguments[1]!==undefined?arguments[1]:5;var segmentsNum=bezierCurve.length-1;var startPoint=bezierCurve[0];var endPoint=bezierCurve[segmentsNum][2];var segments=bezierCurve.slice(1);var getSegmentTPointFuns=segments.map(function(seg,i){var beginPoint=i===0?startPoint:segments[i-1][2];return createGetBezierCurveTPointFun.apply(void 0,[beginPoint].concat((0,_toConsumableArray2["default"])(seg)))});var segmentPointsNum=new Array(segmentsNum).fill(defaultSegmentPointsNum);var segmentPoints=getSegmentPointsByNum(getSegmentTPointFuns,segmentPointsNum);var result=calcUniformPointsByIteration(segmentPoints,getSegmentTPointFuns,segments,precision);result.segmentPoints.push(endPoint);return result}function createGetBezierCurveTPointFun(beginPoint,controlPoint1,controlPoint2,endPoint){return function(t){var tSubed1=1-t;var tSubed1Pow3=pow(tSubed1,3);var tSubed1Pow2=pow(tSubed1,2);var tPow3=pow(t,3);var tPow2=pow(t,2);return[beginPoint[0]*tSubed1Pow3+3*controlPoint1[0]*t*tSubed1Pow2+3*controlPoint2[0]*tPow2*tSubed1+endPoint[0]*tPow3,beginPoint[1]*tSubed1Pow3+3*controlPoint1[1]*t*tSubed1Pow2+3*controlPoint2[1]*tPow2*tSubed1+endPoint[1]*tPow3]}}function getTwoPointDistance(_ref,_ref2){var _ref3=(0,_slicedToArray2["default"])(_ref,2),ax=_ref3[0],ay=_ref3[1];var _ref4=(0,_slicedToArray2["default"])(_ref2,2),bx=_ref4[0],by=_ref4[1];return sqrt(pow(ax-bx,2)+pow(ay-by,2))}function getNumsSum(nums){return nums.reduce(function(sum,num){return sum+num},0)}function getSegmentPointsDistance(segmentPoints){return segmentPoints.map(function(points,i){return new Array(points.length-1).fill(0).map(function(temp,j){return getTwoPointDistance(points[j],points[j+1])})})}function getSegmentPointsByNum(getSegmentTPointFuns,segmentPointsNum){return getSegmentTPointFuns.map(function(getSegmentTPointFun,i){var tGap=1/segmentPointsNum[i];return new Array(segmentPointsNum[i]).fill("").map(function(foo,j){return getSegmentTPointFun(j*tGap)})})}function getAllDeviations(segmentPointsDistance,avgLength){return segmentPointsDistance.map(function(seg){return seg.map(function(s){return abs(s-avgLength)})}).map(function(seg){return getNumsSum(seg)}).reduce(function(total,v){return total+v},0)}function calcUniformPointsByIteration(segmentPoints,getSegmentTPointFuns,segments,precision){var rounds=4;var cycles=1;var _loop=function _loop(){var totalPointsNum=segmentPoints.reduce(function(total,seg){return total+seg.length},0);segmentPoints.forEach(function(seg,i){return seg.push(segments[i][2])});var segmentPointsDistance=getSegmentPointsDistance(segmentPoints);var lineSegmentNum=segmentPointsDistance.reduce(function(total,seg){return total+seg.length},0);var segmentlength=segmentPointsDistance.map(function(seg){return getNumsSum(seg)});var totalLength=getNumsSum(segmentlength);var avgLength=totalLength/lineSegmentNum;var allDeviations=getAllDeviations(segmentPointsDistance,avgLength);if(allDeviations<=precision)return"break";totalPointsNum=ceil(avgLength/precision*totalPointsNum*1.1);var segmentPointsNum=segmentlength.map(function(length){return ceil(length/totalLength*totalPointsNum)});segmentPoints=getSegmentPointsByNum(getSegmentTPointFuns,segmentPointsNum);totalPointsNum=segmentPoints.reduce(function(total,seg){return total+seg.length},0);var segmentPointsForLength=JSON.parse(JSON.stringify(segmentPoints));segmentPointsForLength.forEach(function(seg,i){return seg.push(segments[i][2])});segmentPointsDistance=getSegmentPointsDistance(segmentPointsForLength);lineSegmentNum=segmentPointsDistance.reduce(function(total,seg){return total+seg.length},0);segmentlength=segmentPointsDistance.map(function(seg){return getNumsSum(seg)});totalLength=getNumsSum(segmentlength);avgLength=totalLength/lineSegmentNum;var stepSize=1/totalPointsNum/10;getSegmentTPointFuns.forEach(function(getSegmentTPointFun,i){var currentSegmentPointsNum=segmentPointsNum[i];var t=new Array(currentSegmentPointsNum).fill("").map(function(foo,j){return j/segmentPointsNum[i]});for(var r=0;r<rounds;r++){var distance=getSegmentPointsDistance([segmentPoints[i]])[0];var deviations=distance.map(function(d){return d-avgLength});var offset=0;for(var j=0;j<currentSegmentPointsNum;j++){if(j===0)return;offset+=deviations[j-1];t[j]-=stepSize*offset;if(t[j]>1)t[j]=1;if(t[j]<0)t[j]=0;segmentPoints[i][j]=getSegmentTPointFun(t[j])}}});rounds*=4;cycles++};do{var _ret=_loop();if(_ret==="break")break}while(rounds<=1025);segmentPoints=segmentPoints.reduce(function(all,seg){return all.concat(seg)},[]);return{segmentPoints:segmentPoints,cycles:cycles,rounds:rounds}}function bezierCurveToPolyline(bezierCurve){var precision=arguments.length>1&&arguments[1]!==undefined?arguments[1]:5;if(!bezierCurve){console.error("bezierCurveToPolyline: Missing parameters!");return false}if(!(bezierCurve instanceof Array)){console.error("bezierCurveToPolyline: Parameter bezierCurve must be an array!");return false}if(typeof precision!=="number"){console.error("bezierCurveToPolyline: Parameter precision must be a number!");return false}var _abstractBezierCurveT=abstractBezierCurveToPolyline(bezierCurve,precision),segmentPoints=_abstractBezierCurveT.segmentPoints;return segmentPoints}function getBezierCurveLength(bezierCurve){var precision=arguments.length>1&&arguments[1]!==undefined?arguments[1]:5;if(!bezierCurve){console.error("getBezierCurveLength: Missing parameters!");return false}if(!(bezierCurve instanceof Array)){console.error("getBezierCurveLength: Parameter bezierCurve must be an array!");return false}if(typeof precision!=="number"){console.error("getBezierCurveLength: Parameter precision must be a number!");return false}var _abstractBezierCurveT2=abstractBezierCurveToPolyline(bezierCurve,precision),segmentPoints=_abstractBezierCurveT2.segmentPoints;var pointsDistance=getSegmentPointsDistance([segmentPoints])[0];var length=getNumsSum(pointsDistance);return length}var _default=bezierCurveToPolyline;exports["default"]=_default},{"@babel/runtime/helpers/interopRequireDefault":7,"@babel/runtime/helpers/slicedToArray":12,"@babel/runtime/helpers/toConsumableArray":13}],3:[function(require,module,exports){"use strict";var _interopRequireDefault=require("@babel/runtime/helpers/interopRequireDefault");Object.defineProperty(exports,"__esModule",{value:true});exports["default"]=void 0;var _slicedToArray2=_interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));var _toConsumableArray2=_interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));function polylineToBezierCurve(polyline){var close=arguments.length>1&&arguments[1]!==undefined?arguments[1]:false;var offsetA=arguments.length>2&&arguments[2]!==undefined?arguments[2]:.25;var offsetB=arguments.length>3&&arguments[3]!==undefined?arguments[3]:.25;if(!(polyline instanceof Array)){console.error("polylineToBezierCurve: Parameter polyline must be an array!");return false}if(polyline.length<=2){console.error("polylineToBezierCurve: Converting to a curve requires at least 3 points!");return false}var startPoint=polyline[0];var bezierCurveLineNum=polyline.length-1;var bezierCurvePoints=new Array(bezierCurveLineNum).fill(0).map(function(foo,i){return[].concat((0,_toConsumableArray2["default"])(getBezierCurveLineControlPoints(polyline,i,close,offsetA,offsetB)),[polyline[i+1]])});if(close)closeBezierCurve(bezierCurvePoints,startPoint);bezierCurvePoints.unshift(polyline[0]);return bezierCurvePoints}function getBezierCurveLineControlPoints(polyline,index){var close=arguments.length>2&&arguments[2]!==undefined?arguments[2]:false;var offsetA=arguments.length>3&&arguments[3]!==undefined?arguments[3]:.25;var offsetB=arguments.length>4&&arguments[4]!==undefined?arguments[4]:.25;var pointNum=polyline.length;if(pointNum<3||index>=pointNum)return;var beforePointIndex=index-1;if(beforePointIndex<0)beforePointIndex=close?pointNum+beforePointIndex:0;var afterPointIndex=index+1;if(afterPointIndex>=pointNum)afterPointIndex=close?afterPointIndex-pointNum:pointNum-1;var afterNextPointIndex=index+2;if(afterNextPointIndex>=pointNum)afterNextPointIndex=close?afterNextPointIndex-pointNum:pointNum-1;var pointBefore=polyline[beforePointIndex];var pointMiddle=polyline[index];var pointAfter=polyline[afterPointIndex];var pointAfterNext=polyline[afterNextPointIndex];return[[pointMiddle[0]+offsetA*(pointAfter[0]-pointBefore[0]),pointMiddle[1]+offsetA*(pointAfter[1]-pointBefore[1])],[pointAfter[0]-offsetB*(pointAfterNext[0]-pointMiddle[0]),pointAfter[1]-offsetB*(pointAfterNext[1]-pointMiddle[1])]]}function closeBezierCurve(bezierCurve,startPoint){var firstSubCurve=bezierCurve[0];var lastSubCurve=bezierCurve.slice(-1)[0];bezierCurve.push([getSymmetryPoint(lastSubCurve[1],lastSubCurve[2]),getSymmetryPoint(firstSubCurve[0],startPoint),startPoint]);return bezierCurve}function getSymmetryPoint(point,centerPoint){var _point=(0,_slicedToArray2["default"])(point,2),px=_point[0],py=_point[1];var _centerPoint=(0,_slicedToArray2["default"])(centerPoint,2),cx=_centerPoint[0],cy=_centerPoint[1];var minusX=cx-px;var minusY=cy-py;return[cx+minusX,cy+minusY]}var _default=polylineToBezierCurve;exports["default"]=_default},{"@babel/runtime/helpers/interopRequireDefault":7,"@babel/runtime/helpers/slicedToArray":12,"@babel/runtime/helpers/toConsumableArray":13}],4:[function(require,module,exports){"use strict";var _interopRequireDefault=require("@babel/runtime/helpers/interopRequireDefault");Object.defineProperty(exports,"__esModule",{value:true});Object.defineProperty(exports,"bezierCurveToPolyline",{enumerable:true,get:function get(){return _bezierCurveToPolyline.bezierCurveToPolyline}});Object.defineProperty(exports,"getBezierCurveLength",{enumerable:true,get:function get(){return _bezierCurveToPolyline.getBezierCurveLength}});Object.defineProperty(exports,"polylineToBezierCurve",{enumerable:true,get:function get(){return _polylineToBezierCurve["default"]}});exports["default"]=void 0;var _bezierCurveToPolyline=require("./core/bezierCurveToPolyline");var _polylineToBezierCurve=_interopRequireDefault(require("./core/polylineToBezierCurve"));var _default={bezierCurveToPolyline:_bezierCurveToPolyline.bezierCurveToPolyline,getBezierCurveLength:_bezierCurveToPolyline.getBezierCurveLength,polylineToBezierCurve:_polylineToBezierCurve["default"]};exports["default"]=_default},{"./core/bezierCurveToPolyline":2,"./core/polylineToBezierCurve":3,"@babel/runtime/helpers/interopRequireDefault":7}],5:[function(require,module,exports){function _arrayWithHoles(arr){if(Array.isArray(arr))return arr}module.exports=_arrayWithHoles},{}],6:[function(require,module,exports){function _arrayWithoutHoles(arr){if(Array.isArray(arr)){for(var i=0,arr2=new Array(arr.length);i<arr.length;i++){arr2[i]=arr[i]}return arr2}}module.exports=_arrayWithoutHoles},{}],7:[function(require,module,exports){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}module.exports=_interopRequireDefault},{}],8:[function(require,module,exports){function _iterableToArray(iter){if(Symbol.iterator in Object(iter)||Object.prototype.toString.call(iter)==="[object Arguments]")return Array.from(iter)}module.exports=_iterableToArray},{}],9:[function(require,module,exports){function _iterableToArrayLimit(arr,i){var _arr=[];var _n=true;var _d=false;var _e=undefined;try{for(var _i=arr[Symbol.iterator](),_s;!(_n=(_s=_i.next()).done);_n=true){_arr.push(_s.value);if(i&&_arr.length===i)break}}catch(err){_d=true;_e=err}finally{try{if(!_n&&_i["return"]!=null)_i["return"]()}finally{if(_d)throw _e}}return _arr}module.exports=_iterableToArrayLimit},{}],10:[function(require,module,exports){function _nonIterableRest(){throw new TypeError("Invalid attempt to destructure non-iterable instance")}module.exports=_nonIterableRest},{}],11:[function(require,module,exports){function _nonIterableSpread(){throw new TypeError("Invalid attempt to spread non-iterable instance")}module.exports=_nonIterableSpread},{}],12:[function(require,module,exports){var arrayWithHoles=require("./arrayWithHoles");var iterableToArrayLimit=require("./iterableToArrayLimit");var nonIterableRest=require("./nonIterableRest");function _slicedToArray(arr,i){return arrayWithHoles(arr)||iterableToArrayLimit(arr,i)||nonIterableRest()}module.exports=_slicedToArray},{"./arrayWithHoles":5,"./iterableToArrayLimit":9,"./nonIterableRest":10}],13:[function(require,module,exports){var arrayWithoutHoles=require("./arrayWithoutHoles");var iterableToArray=require("./iterableToArray");var nonIterableSpread=require("./nonIterableSpread");function _toConsumableArray(arr){return arrayWithoutHoles(arr)||iterableToArray(arr)||nonIterableSpread()}module.exports=_toConsumableArray},{"./arrayWithoutHoles":6,"./iterableToArray":8,"./nonIterableSpread":11}]},{},[1]); |