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becarta
489
node_modules/lottie-web/player/js/utils/PropertyFactory.js
generated
vendored
Normal file
489
node_modules/lottie-web/player/js/utils/PropertyFactory.js
generated
vendored
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@@ -0,0 +1,489 @@
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import {
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degToRads,
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} from './common';
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import {
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createTypedArray,
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} from './helpers/arrays';
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import BezierFactory from '../3rd_party/BezierEaser';
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import {
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initialDefaultFrame,
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} from '../main';
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import bez from './bez';
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var initFrame = initialDefaultFrame;
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var mathAbs = Math.abs;
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function interpolateValue(frameNum, caching) {
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var offsetTime = this.offsetTime;
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var newValue;
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if (this.propType === 'multidimensional') {
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newValue = createTypedArray('float32', this.pv.length);
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}
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var iterationIndex = caching.lastIndex;
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var i = iterationIndex;
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var len = this.keyframes.length - 1;
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var flag = true;
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var keyData;
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var nextKeyData;
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var keyframeMetadata;
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while (flag) {
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keyData = this.keyframes[i];
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nextKeyData = this.keyframes[i + 1];
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if (i === len - 1 && frameNum >= nextKeyData.t - offsetTime) {
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if (keyData.h) {
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keyData = nextKeyData;
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}
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iterationIndex = 0;
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break;
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}
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if ((nextKeyData.t - offsetTime) > frameNum) {
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iterationIndex = i;
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break;
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}
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if (i < len - 1) {
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i += 1;
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} else {
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iterationIndex = 0;
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flag = false;
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}
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}
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keyframeMetadata = this.keyframesMetadata[i] || {};
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var k;
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var kLen;
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var perc;
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var jLen;
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var j;
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var fnc;
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var nextKeyTime = nextKeyData.t - offsetTime;
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var keyTime = keyData.t - offsetTime;
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var endValue;
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if (keyData.to) {
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if (!keyframeMetadata.bezierData) {
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keyframeMetadata.bezierData = bez.buildBezierData(keyData.s, nextKeyData.s || keyData.e, keyData.to, keyData.ti);
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}
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var bezierData = keyframeMetadata.bezierData;
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if (frameNum >= nextKeyTime || frameNum < keyTime) {
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var ind = frameNum >= nextKeyTime ? bezierData.points.length - 1 : 0;
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kLen = bezierData.points[ind].point.length;
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for (k = 0; k < kLen; k += 1) {
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newValue[k] = bezierData.points[ind].point[k];
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}
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// caching._lastKeyframeIndex = -1;
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} else {
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if (keyframeMetadata.__fnct) {
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fnc = keyframeMetadata.__fnct;
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} else {
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fnc = BezierFactory.getBezierEasing(keyData.o.x, keyData.o.y, keyData.i.x, keyData.i.y, keyData.n).get;
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keyframeMetadata.__fnct = fnc;
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}
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perc = fnc((frameNum - keyTime) / (nextKeyTime - keyTime));
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var distanceInLine = bezierData.segmentLength * perc;
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var segmentPerc;
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var addedLength = (caching.lastFrame < frameNum && caching._lastKeyframeIndex === i) ? caching._lastAddedLength : 0;
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j = (caching.lastFrame < frameNum && caching._lastKeyframeIndex === i) ? caching._lastPoint : 0;
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flag = true;
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jLen = bezierData.points.length;
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while (flag) {
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addedLength += bezierData.points[j].partialLength;
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if (distanceInLine === 0 || perc === 0 || j === bezierData.points.length - 1) {
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kLen = bezierData.points[j].point.length;
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for (k = 0; k < kLen; k += 1) {
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newValue[k] = bezierData.points[j].point[k];
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}
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break;
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} else if (distanceInLine >= addedLength && distanceInLine < addedLength + bezierData.points[j + 1].partialLength) {
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segmentPerc = (distanceInLine - addedLength) / bezierData.points[j + 1].partialLength;
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kLen = bezierData.points[j].point.length;
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for (k = 0; k < kLen; k += 1) {
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newValue[k] = bezierData.points[j].point[k] + (bezierData.points[j + 1].point[k] - bezierData.points[j].point[k]) * segmentPerc;
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}
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break;
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}
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if (j < jLen - 1) {
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j += 1;
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} else {
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flag = false;
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}
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}
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caching._lastPoint = j;
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caching._lastAddedLength = addedLength - bezierData.points[j].partialLength;
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caching._lastKeyframeIndex = i;
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}
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} else {
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var outX;
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var outY;
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var inX;
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var inY;
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var keyValue;
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len = keyData.s.length;
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endValue = nextKeyData.s || keyData.e;
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if (this.sh && keyData.h !== 1) {
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if (frameNum >= nextKeyTime) {
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newValue[0] = endValue[0];
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newValue[1] = endValue[1];
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newValue[2] = endValue[2];
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} else if (frameNum <= keyTime) {
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newValue[0] = keyData.s[0];
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newValue[1] = keyData.s[1];
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newValue[2] = keyData.s[2];
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} else {
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var quatStart = createQuaternion(keyData.s);
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var quatEnd = createQuaternion(endValue);
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var time = (frameNum - keyTime) / (nextKeyTime - keyTime);
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quaternionToEuler(newValue, slerp(quatStart, quatEnd, time));
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}
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} else {
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for (i = 0; i < len; i += 1) {
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if (keyData.h !== 1) {
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if (frameNum >= nextKeyTime) {
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perc = 1;
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} else if (frameNum < keyTime) {
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perc = 0;
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} else {
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if (keyData.o.x.constructor === Array) {
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if (!keyframeMetadata.__fnct) {
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keyframeMetadata.__fnct = [];
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}
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if (!keyframeMetadata.__fnct[i]) {
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outX = keyData.o.x[i] === undefined ? keyData.o.x[0] : keyData.o.x[i];
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outY = keyData.o.y[i] === undefined ? keyData.o.y[0] : keyData.o.y[i];
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inX = keyData.i.x[i] === undefined ? keyData.i.x[0] : keyData.i.x[i];
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inY = keyData.i.y[i] === undefined ? keyData.i.y[0] : keyData.i.y[i];
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fnc = BezierFactory.getBezierEasing(outX, outY, inX, inY).get;
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keyframeMetadata.__fnct[i] = fnc;
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} else {
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fnc = keyframeMetadata.__fnct[i];
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}
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} else if (!keyframeMetadata.__fnct) {
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outX = keyData.o.x;
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outY = keyData.o.y;
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inX = keyData.i.x;
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inY = keyData.i.y;
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fnc = BezierFactory.getBezierEasing(outX, outY, inX, inY).get;
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keyData.keyframeMetadata = fnc;
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} else {
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fnc = keyframeMetadata.__fnct;
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}
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perc = fnc((frameNum - keyTime) / (nextKeyTime - keyTime));
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}
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}
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endValue = nextKeyData.s || keyData.e;
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keyValue = keyData.h === 1 ? keyData.s[i] : keyData.s[i] + (endValue[i] - keyData.s[i]) * perc;
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if (this.propType === 'multidimensional') {
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newValue[i] = keyValue;
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} else {
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newValue = keyValue;
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}
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}
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}
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}
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caching.lastIndex = iterationIndex;
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return newValue;
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}
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// based on @Toji's https://github.com/toji/gl-matrix/
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function slerp(a, b, t) {
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var out = [];
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var ax = a[0];
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var ay = a[1];
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var az = a[2];
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var aw = a[3];
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var bx = b[0];
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var by = b[1];
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var bz = b[2];
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var bw = b[3];
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var omega;
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var cosom;
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var sinom;
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var scale0;
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var scale1;
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cosom = ax * bx + ay * by + az * bz + aw * bw;
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if (cosom < 0.0) {
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cosom = -cosom;
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bx = -bx;
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by = -by;
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bz = -bz;
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bw = -bw;
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}
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if ((1.0 - cosom) > 0.000001) {
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omega = Math.acos(cosom);
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sinom = Math.sin(omega);
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scale0 = Math.sin((1.0 - t) * omega) / sinom;
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scale1 = Math.sin(t * omega) / sinom;
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} else {
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scale0 = 1.0 - t;
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scale1 = t;
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}
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out[0] = scale0 * ax + scale1 * bx;
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out[1] = scale0 * ay + scale1 * by;
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out[2] = scale0 * az + scale1 * bz;
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out[3] = scale0 * aw + scale1 * bw;
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return out;
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}
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function quaternionToEuler(out, quat) {
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var qx = quat[0];
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var qy = quat[1];
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var qz = quat[2];
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var qw = quat[3];
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var heading = Math.atan2(2 * qy * qw - 2 * qx * qz, 1 - 2 * qy * qy - 2 * qz * qz);
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var attitude = Math.asin(2 * qx * qy + 2 * qz * qw);
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var bank = Math.atan2(2 * qx * qw - 2 * qy * qz, 1 - 2 * qx * qx - 2 * qz * qz);
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out[0] = heading / degToRads;
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out[1] = attitude / degToRads;
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out[2] = bank / degToRads;
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}
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function createQuaternion(values) {
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var heading = values[0] * degToRads;
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var attitude = values[1] * degToRads;
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var bank = values[2] * degToRads;
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var c1 = Math.cos(heading / 2);
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var c2 = Math.cos(attitude / 2);
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var c3 = Math.cos(bank / 2);
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var s1 = Math.sin(heading / 2);
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var s2 = Math.sin(attitude / 2);
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var s3 = Math.sin(bank / 2);
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var w = c1 * c2 * c3 - s1 * s2 * s3;
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var x = s1 * s2 * c3 + c1 * c2 * s3;
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var y = s1 * c2 * c3 + c1 * s2 * s3;
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var z = c1 * s2 * c3 - s1 * c2 * s3;
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return [x, y, z, w];
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}
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function getValueAtCurrentTime() {
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var frameNum = this.comp.renderedFrame - this.offsetTime;
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var initTime = this.keyframes[0].t - this.offsetTime;
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var endTime = this.keyframes[this.keyframes.length - 1].t - this.offsetTime;
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if (!(frameNum === this._caching.lastFrame || (this._caching.lastFrame !== initFrame && ((this._caching.lastFrame >= endTime && frameNum >= endTime) || (this._caching.lastFrame < initTime && frameNum < initTime))))) {
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if (this._caching.lastFrame >= frameNum) {
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this._caching._lastKeyframeIndex = -1;
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this._caching.lastIndex = 0;
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}
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var renderResult = this.interpolateValue(frameNum, this._caching);
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this.pv = renderResult;
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}
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this._caching.lastFrame = frameNum;
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return this.pv;
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}
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function setVValue(val) {
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var multipliedValue;
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if (this.propType === 'unidimensional') {
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multipliedValue = val * this.mult;
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if (mathAbs(this.v - multipliedValue) > 0.00001) {
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this.v = multipliedValue;
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this._mdf = true;
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}
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} else {
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var i = 0;
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var len = this.v.length;
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while (i < len) {
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multipliedValue = val[i] * this.mult;
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if (mathAbs(this.v[i] - multipliedValue) > 0.00001) {
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this.v[i] = multipliedValue;
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this._mdf = true;
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}
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i += 1;
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}
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}
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}
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function processEffectsSequence() {
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if (this.elem.globalData.frameId === this.frameId || !this.effectsSequence.length) {
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return;
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}
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if (this.lock) {
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this.setVValue(this.pv);
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return;
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}
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this.lock = true;
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this._mdf = this._isFirstFrame;
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var i;
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var len = this.effectsSequence.length;
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var finalValue = this.kf ? this.pv : this.data.k;
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for (i = 0; i < len; i += 1) {
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finalValue = this.effectsSequence[i](finalValue);
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}
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this.setVValue(finalValue);
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this._isFirstFrame = false;
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this.lock = false;
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this.frameId = this.elem.globalData.frameId;
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}
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function addEffect(effectFunction) {
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this.effectsSequence.push(effectFunction);
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this.container.addDynamicProperty(this);
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}
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function ValueProperty(elem, data, mult, container) {
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this.propType = 'unidimensional';
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this.mult = mult || 1;
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this.data = data;
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this.v = mult ? data.k * mult : data.k;
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this.pv = data.k;
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this._mdf = false;
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this.elem = elem;
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this.container = container;
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this.comp = elem.comp;
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this.k = false;
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this.kf = false;
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this.vel = 0;
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this.effectsSequence = [];
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this._isFirstFrame = true;
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this.getValue = processEffectsSequence;
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this.setVValue = setVValue;
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this.addEffect = addEffect;
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}
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function MultiDimensionalProperty(elem, data, mult, container) {
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this.propType = 'multidimensional';
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this.mult = mult || 1;
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this.data = data;
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this._mdf = false;
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this.elem = elem;
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this.container = container;
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this.comp = elem.comp;
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this.k = false;
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this.kf = false;
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this.frameId = -1;
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var i;
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var len = data.k.length;
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this.v = createTypedArray('float32', len);
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this.pv = createTypedArray('float32', len);
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this.vel = createTypedArray('float32', len);
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for (i = 0; i < len; i += 1) {
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this.v[i] = data.k[i] * this.mult;
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this.pv[i] = data.k[i];
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}
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this._isFirstFrame = true;
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this.effectsSequence = [];
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this.getValue = processEffectsSequence;
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this.setVValue = setVValue;
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this.addEffect = addEffect;
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}
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function KeyframedValueProperty(elem, data, mult, container) {
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this.propType = 'unidimensional';
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this.keyframes = data.k;
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this.keyframesMetadata = [];
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this.offsetTime = elem.data.st;
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this.frameId = -1;
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this._caching = {
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lastFrame: initFrame, lastIndex: 0, value: 0, _lastKeyframeIndex: -1,
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};
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this.k = true;
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this.kf = true;
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this.data = data;
|
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this.mult = mult || 1;
|
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this.elem = elem;
|
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this.container = container;
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this.comp = elem.comp;
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this.v = initFrame;
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this.pv = initFrame;
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this._isFirstFrame = true;
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this.getValue = processEffectsSequence;
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this.setVValue = setVValue;
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this.interpolateValue = interpolateValue;
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this.effectsSequence = [getValueAtCurrentTime.bind(this)];
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this.addEffect = addEffect;
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}
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function KeyframedMultidimensionalProperty(elem, data, mult, container) {
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this.propType = 'multidimensional';
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var i;
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var len = data.k.length;
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var s;
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var e;
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var to;
|
||||
var ti;
|
||||
for (i = 0; i < len - 1; i += 1) {
|
||||
if (data.k[i].to && data.k[i].s && data.k[i + 1] && data.k[i + 1].s) {
|
||||
s = data.k[i].s;
|
||||
e = data.k[i + 1].s;
|
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to = data.k[i].to;
|
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ti = data.k[i].ti;
|
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if ((s.length === 2 && !(s[0] === e[0] && s[1] === e[1]) && bez.pointOnLine2D(s[0], s[1], e[0], e[1], s[0] + to[0], s[1] + to[1]) && bez.pointOnLine2D(s[0], s[1], e[0], e[1], e[0] + ti[0], e[1] + ti[1])) || (s.length === 3 && !(s[0] === e[0] && s[1] === e[1] && s[2] === e[2]) && bez.pointOnLine3D(s[0], s[1], s[2], e[0], e[1], e[2], s[0] + to[0], s[1] + to[1], s[2] + to[2]) && bez.pointOnLine3D(s[0], s[1], s[2], e[0], e[1], e[2], e[0] + ti[0], e[1] + ti[1], e[2] + ti[2]))) {
|
||||
data.k[i].to = null;
|
||||
data.k[i].ti = null;
|
||||
}
|
||||
if (s[0] === e[0] && s[1] === e[1] && to[0] === 0 && to[1] === 0 && ti[0] === 0 && ti[1] === 0) {
|
||||
if (s.length === 2 || (s[2] === e[2] && to[2] === 0 && ti[2] === 0)) {
|
||||
data.k[i].to = null;
|
||||
data.k[i].ti = null;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
this.effectsSequence = [getValueAtCurrentTime.bind(this)];
|
||||
this.data = data;
|
||||
this.keyframes = data.k;
|
||||
this.keyframesMetadata = [];
|
||||
this.offsetTime = elem.data.st;
|
||||
this.k = true;
|
||||
this.kf = true;
|
||||
this._isFirstFrame = true;
|
||||
this.mult = mult || 1;
|
||||
this.elem = elem;
|
||||
this.container = container;
|
||||
this.comp = elem.comp;
|
||||
this.getValue = processEffectsSequence;
|
||||
this.setVValue = setVValue;
|
||||
this.interpolateValue = interpolateValue;
|
||||
this.frameId = -1;
|
||||
var arrLen = data.k[0].s.length;
|
||||
this.v = createTypedArray('float32', arrLen);
|
||||
this.pv = createTypedArray('float32', arrLen);
|
||||
for (i = 0; i < arrLen; i += 1) {
|
||||
this.v[i] = initFrame;
|
||||
this.pv[i] = initFrame;
|
||||
}
|
||||
this._caching = { lastFrame: initFrame, lastIndex: 0, value: createTypedArray('float32', arrLen) };
|
||||
this.addEffect = addEffect;
|
||||
}
|
||||
|
||||
const PropertyFactory = (function () {
|
||||
function getProp(elem, data, type, mult, container) {
|
||||
if (data.sid) {
|
||||
data = elem.globalData.slotManager.getProp(data);
|
||||
}
|
||||
var p;
|
||||
if (!data.k.length) {
|
||||
p = new ValueProperty(elem, data, mult, container);
|
||||
} else if (typeof (data.k[0]) === 'number') {
|
||||
p = new MultiDimensionalProperty(elem, data, mult, container);
|
||||
} else {
|
||||
switch (type) {
|
||||
case 0:
|
||||
p = new KeyframedValueProperty(elem, data, mult, container);
|
||||
break;
|
||||
case 1:
|
||||
p = new KeyframedMultidimensionalProperty(elem, data, mult, container);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (p.effectsSequence.length) {
|
||||
container.addDynamicProperty(p);
|
||||
}
|
||||
return p;
|
||||
}
|
||||
|
||||
var ob = {
|
||||
getProp: getProp,
|
||||
};
|
||||
return ob;
|
||||
}());
|
||||
|
||||
export default PropertyFactory;
|
||||
Reference in New Issue
Block a user