kepler.gl
Version:
kepler.gl is a webgl based application to visualize large scale location data in the browser
1 lines • 357 kB
JavaScript
var mapboxgl=function(){"use strict";var t=e;function e(t,e,r,n){this.cx=3*t,this.bx=3*(r-t)-this.cx,this.ax=1-this.cx-this.bx,this.cy=3*e,this.by=3*(n-e)-this.cy,this.ay=1-this.cy-this.by,this.p1x=t,this.p1y=n,this.p2x=r,this.p2y=n}e.prototype.sampleCurveX=function(t){return((this.ax*t+this.bx)*t+this.cx)*t},e.prototype.sampleCurveY=function(t){return((this.ay*t+this.by)*t+this.cy)*t},e.prototype.sampleCurveDerivativeX=function(t){return(3*this.ax*t+2*this.bx)*t+this.cx},e.prototype.solveCurveX=function(t,e){var r,n,i,o,a;for(void 0===e&&(e=1e-6),i=t,a=0;a<8;a++){if(o=this.sampleCurveX(i)-t,Math.abs(o)<e)return i;var s=this.sampleCurveDerivativeX(i);if(Math.abs(s)<1e-6)break;i-=o/s}if((i=t)<(r=0))return r;if(i>(n=1))return n;for(;r<n;){if(o=this.sampleCurveX(i),Math.abs(o-t)<e)return i;t>o?r=i:n=i,i=.5*(n-r)+r}return i},e.prototype.solve=function(t,e){return this.sampleCurveY(this.solveCurveX(t,e))};var r=n;function n(t,e){this.x=t,this.y=e}n.prototype={clone:function(){return new n(this.x,this.y)},add:function(t){return this.clone()._add(t)},sub:function(t){return this.clone()._sub(t)},multByPoint:function(t){return this.clone()._multByPoint(t)},divByPoint:function(t){return this.clone()._divByPoint(t)},mult:function(t){return this.clone()._mult(t)},div:function(t){return this.clone()._div(t)},rotate:function(t){return this.clone()._rotate(t)},rotateAround:function(t,e){return this.clone()._rotateAround(t,e)},matMult:function(t){return this.clone()._matMult(t)},unit:function(){return this.clone()._unit()},perp:function(){return this.clone()._perp()},round:function(){return this.clone()._round()},mag:function(){return Math.sqrt(this.x*this.x+this.y*this.y)},equals:function(t){return this.x===t.x&&this.y===t.y},dist:function(t){return Math.sqrt(this.distSqr(t))},distSqr:function(t){var e=t.x-this.x,r=t.y-this.y;return e*e+r*r},angle:function(){return Math.atan2(this.y,this.x)},angleTo:function(t){return 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