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Co-Authored-By: 狸花猫/Claude-Qwen3.6-Plus 🐾
248 lines
8.8 KiB
JavaScript
248 lines
8.8 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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var util_1 = require("@antv/util");
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var d3Timer = require("d3-timer");
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var d3_interpolate_1 = require("d3-interpolate"); // 目前整体动画只需要数值和数组的差值计算
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var register_1 = require("./register");
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var PathUtil = require("../util/path");
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var color_1 = require("../util/color");
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var IDENTITY_MATRIX = [1, 0, 0, 0, 1, 0, 0, 0, 1];
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/**
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* 使用 ratio 进行插值计算来更新属性
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* @param {IElement} shape 元素
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* @param {Animation} animation 动画
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* @param {number} ratio 比例
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* @return {boolean} 动画是否执行完成
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*/
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function _update(shape, animation, ratio) {
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var cProps = {}; // 此刻属性
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var fromAttrs = animation.fromAttrs, toAttrs = animation.toAttrs;
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if (shape.destroyed) {
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return;
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}
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var interf; // 差值函数
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for (var k in toAttrs) {
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if (!util_1.isEqual(fromAttrs[k], toAttrs[k])) {
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if (k === 'path') {
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var toPath = toAttrs[k];
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var fromPath = fromAttrs[k];
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if (toPath.length > fromPath.length) {
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toPath = PathUtil.parsePathString(toAttrs[k]); // 终点状态
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fromPath = PathUtil.parsePathString(fromAttrs[k]); // 起始状态
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fromPath = PathUtil.fillPathByDiff(fromPath, toPath);
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fromPath = PathUtil.formatPath(fromPath, toPath);
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animation.fromAttrs.path = fromPath;
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animation.toAttrs.path = toPath;
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}
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else if (!animation.pathFormatted) {
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toPath = PathUtil.parsePathString(toAttrs[k]);
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fromPath = PathUtil.parsePathString(fromAttrs[k]);
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fromPath = PathUtil.formatPath(fromPath, toPath);
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animation.fromAttrs.path = fromPath;
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animation.toAttrs.path = toPath;
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animation.pathFormatted = true;
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}
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cProps[k] = [];
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for (var i = 0; i < toPath.length; i++) {
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var toPathPoint = toPath[i];
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var fromPathPoint = fromPath[i];
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var cPathPoint = [];
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for (var j = 0; j < toPathPoint.length; j++) {
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if (util_1.isNumber(toPathPoint[j]) && fromPathPoint && util_1.isNumber(fromPathPoint[j])) {
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interf = d3_interpolate_1.interpolate(fromPathPoint[j], toPathPoint[j]);
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cPathPoint.push(interf(ratio));
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}
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else {
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cPathPoint.push(toPathPoint[j]);
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}
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}
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cProps[k].push(cPathPoint);
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}
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}
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else if (k === 'matrix') {
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/*
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对矩阵进行插值时，需要保证矩阵不为空，为空则使用单位矩阵
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TODO: 二维和三维场景下单位矩阵不同，之后 WebGL 版需要做进一步处理
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*/
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var matrixFn = d3_interpolate_1.interpolateArray(fromAttrs[k] || IDENTITY_MATRIX, toAttrs[k] || IDENTITY_MATRIX);
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var currentMatrix = matrixFn(ratio);
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cProps[k] = currentMatrix;
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}
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else if (color_1.isColorProp(k) && color_1.isGradientColor(toAttrs[k])) {
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cProps[k] = toAttrs[k];
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}
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else if (!util_1.isFunction(toAttrs[k])) {
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// 非函数类型的值才能做插值
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interf = d3_interpolate_1.interpolate(fromAttrs[k], toAttrs[k]);
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cProps[k] = interf(ratio);
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}
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}
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}
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shape.attr(cProps);
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}
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/**
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* 根据自定义帧动画函数 onFrame 来更新属性
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* @param {IElement} shape 元素
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* @param {Animation} animation 动画
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* @param {number} elapsed 动画执行时间(毫秒)
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* @return {boolean} 动画是否执行完成
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*/
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function update(shape, animation, elapsed) {
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var startTime = animation.startTime, delay = animation.delay;
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// 如果还没有开始执行或暂停，先不更新
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if (elapsed < startTime + delay || animation._paused) {
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return false;
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}
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var ratio;
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var duration = animation.duration;
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var easing = animation.easing;
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var easeFn = register_1.getEasing(easing);
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// 已执行时间
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elapsed = elapsed - startTime - animation.delay;
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if (animation.repeat) {
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// 如果动画重复执行，则 elapsed > duration，计算 ratio 时需取模
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ratio = (elapsed % duration) / duration;
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ratio = easeFn(ratio);
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}
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else {
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ratio = elapsed / duration;
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if (ratio < 1) {
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// 动画未执行完
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ratio = easeFn(ratio);
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}
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else {
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// 动画已执行完
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if (animation.onFrame) {
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shape.attr(animation.onFrame(1));
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}
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else {
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shape.attr(animation.toAttrs);
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}
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return true;
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}
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}
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if (animation.onFrame) {
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var attrs = animation.onFrame(ratio);
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shape.attr(attrs);
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}
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else {
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_update(shape, animation, ratio);
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}
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return false;
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}
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var Timeline = /** @class */ (function () {
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/**
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* 时间轴构造函数，依赖于画布
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* @param {}
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*/
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function Timeline(canvas) {
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/**
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* 执行动画的元素列表
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* @type {IElement[]}
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*/
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this.animators = [];
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/**
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* 当前时间
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* @type {number}
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*/
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this.current = 0;
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/**
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* 定时器
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* @type {d3Timer.Timer}
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*/
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this.timer = null;
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this.canvas = canvas;
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}
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/**
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* 初始化定时器
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*/
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Timeline.prototype.initTimer = function () {
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var _this = this;
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var isFinished = false;
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var shape;
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var animations;
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var animation;
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this.timer = d3Timer.timer(function (elapsed) {
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_this.current = elapsed;
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if (_this.animators.length > 0) {
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for (var i = _this.animators.length - 1; i >= 0; i--) {
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shape = _this.animators[i];
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if (shape.destroyed) {
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// 如果已经被销毁，直接移出队列
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_this.removeAnimator(i);
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continue;
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}
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if (!shape.isAnimatePaused()) {
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animations = shape.get('animations');
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for (var j = animations.length - 1; j >= 0; j--) {
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animation = animations[j];
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isFinished = update(shape, animation, elapsed);
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if (isFinished) {
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animations.splice(j, 1);
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isFinished = false;
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if (animation.callback) {
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animation.callback();
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}
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}
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}
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}
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if (animations.length === 0) {
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_this.removeAnimator(i);
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}
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}
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var autoDraw = _this.canvas.get('autoDraw');
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// 非自动渲染模式下，手动调用 canvas.draw() 重新渲染
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if (!autoDraw) {
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_this.canvas.draw();
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}
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}
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});
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};
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/**
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* 增加动画元素
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*/
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Timeline.prototype.addAnimator = function (shape) {
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this.animators.push(shape);
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};
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/**
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* 移除动画元素
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*/
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Timeline.prototype.removeAnimator = function (index) {
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this.animators.splice(index, 1);
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};
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/**
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* 是否有动画在执行
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*/
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Timeline.prototype.isAnimating = function () {
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return !!this.animators.length;
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};
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/**
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* 停止定时器
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*/
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Timeline.prototype.stop = function () {
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if (this.timer) {
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this.timer.stop();
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}
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};
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/**
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* 停止时间轴上所有元素的动画，并置空动画元素列表
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* @param {boolean} toEnd 是否到动画的最终状态，用来透传给动画元素的 stopAnimate 方法
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*/
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Timeline.prototype.stopAllAnimations = function (toEnd) {
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if (toEnd === void 0) { toEnd = true; }
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this.animators.forEach(function (animator) {
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animator.stopAnimate(toEnd);
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});
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this.animators = [];
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this.canvas.draw();
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};
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/**
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* 获取当前时间
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*/
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Timeline.prototype.getTime = function () {
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return this.current;
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};
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return Timeline;
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}());
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exports.default = Timeline;
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//# sourceMappingURL=timeline.js.map
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