laya-coreui-es
Version:
laya核心库、ui库es版本，剔除了媒体、TTF等功能。基于 LayaAir-release_2.12.0 修改
233 lines (232 loc) • 7.84 kB
JavaScript
import { Pool } from "./Pool";
import { Browser } from "./Browser";
import { Utils } from "./Utils";
import { ILaya } from "./../../ILaya";
export class Tween {
constructor() {
this.gid = 0;
this.repeat = 1;
this._count = 0;
}
static to(target, props, duration, ease = null, complete = null, delay = 0, coverBefore = false, autoRecover = true) {
return Pool.getItemByClass("tween", Tween)._create(target, props, duration, ease, complete, delay, coverBefore, true, autoRecover, true);
}
static from(target, props, duration, ease = null, complete = null, delay = 0, coverBefore = false, autoRecover = true) {
return Pool.getItemByClass("tween", Tween)._create(target, props, duration, ease, complete, delay, coverBefore, false, autoRecover, true);
}
to(target, props, duration, ease = null, complete = null, delay = 0, coverBefore = false) {
return this._create(target, props, duration, ease, complete, delay, coverBefore, true, false, true);
}
from(target, props, duration, ease = null, complete = null, delay = 0, coverBefore = false) {
return this._create(target, props, duration, ease, complete, delay, coverBefore, false, false, true);
}
_create(target, props, duration, ease, complete, delay, coverBefore, isTo, usePool, runNow) {
if (!target)
throw new Error("Tween:target is null");
this._target = target;
this._duration = duration;
this._ease = ease || props.ease || Tween.easeNone;
this._complete = complete || props.complete;
this._delay = delay;
this._props = [];
this._usedTimer = 0;
this._startTimer = Browser.now();
this._usedPool = usePool;
this._delayParam = null;
this.update = props.update;
var gid = (target.$_GID || (target.$_GID = Utils.getGID()));
if (!Tween.tweenMap[gid]) {
Tween.tweenMap[gid] = [this];
}
else {
if (coverBefore)
Tween.clearTween(target);
Tween.tweenMap[gid].push(this);
}
if (runNow) {
if (delay <= 0)
this.firstStart(target, props, isTo);
else {
this._delayParam = [target, props, isTo];
ILaya.timer.once(delay, this, this.firstStart, this._delayParam);
}
}
else {
this._initProps(target, props, isTo);
}
return this;
}
firstStart(target, props, isTo) {
this._delayParam = null;
if (target.destroyed) {
this.clear();
return;
}
this._initProps(target, props, isTo);
this._beginLoop();
}
_initProps(target, props, isTo) {
for (var p in props) {
if (typeof (target[p]) == 'number') {
var start = isTo ? target[p] : props[p];
var end = isTo ? props[p] : target[p];
this._props.push([p, start, end - start]);
if (!isTo)
target[p] = start;
}
}
}
_beginLoop() {
ILaya.timer.frameLoop(1, this, this._doEase);
}
_doEase() {
this._updateEase(Browser.now());
}
_updateEase(time) {
var target = this._target;
if (!target)
return;
if (target.destroyed)
return Tween.clearTween(target);
var usedTimer = this._usedTimer = time - this._startTimer - this._delay;
if (usedTimer < 0)
return;
if (usedTimer >= this._duration)
return this.complete();
var ratio = usedTimer > 0 ? this._ease(usedTimer, 0, 1, this._duration) : 0;
var props = this._props;
for (var i = 0, n = props.length; i < n; i++) {
var prop = props[i];
target[prop[0]] = prop[1] + (ratio * prop[2]);
}
if (this.update)
this.update.run();
}
set progress(v) {
var uTime = v * this._duration;
this._startTimer = Browser.now() - this._delay - uTime;
}
complete() {
if (!this._target)
return;
ILaya.timer.runTimer(this, this.firstStart);
var target = this._target;
var props = this._props;
var handler = this._complete;
for (var i = 0, n = props.length; i < n; i++) {
var prop = props[i];
target[prop[0]] = prop[1] + prop[2];
}
if (this.update)
this.update.run();
this._count++;
if (this.repeat != 0 && this._count >= this.repeat) {
this.clear();
handler && handler.run();
}
else {
this.restart();
}
}
pause() {
ILaya.timer.clear(this, this._beginLoop);
ILaya.timer.clear(this, this._doEase);
ILaya.timer.clear(this, this.firstStart);
var time = Browser.now();
var dTime;
dTime = time - this._startTimer - this._delay;
if (dTime < 0) {
this._usedTimer = dTime;
}
}
setStartTime(startTime) {
this._startTimer = startTime;
}
static clearAll(target) {
if (!target || !target.$_GID)
return;
var tweens = Tween.tweenMap[target.$_GID];
if (tweens) {
for (var i = 0, n = tweens.length; i < n; i++) {
tweens[i]._clear();
}
tweens.length = 0;
}
}
static clear(tween) {
tween.clear();
}
static clearTween(target) {
Tween.clearAll(target);
}
clear() {
if (this._target) {
this._remove();
this._clear();
}
}
_clear() {
this.pause();
ILaya.timer.clear(this, this.firstStart);
this._complete = null;
this._target = null;
this._ease = null;
this._props = null;
this._delayParam = null;
this.repeat = 1;
if (this._usedPool) {
this.update = null;
Pool.recover("tween", this);
}
}
recover() {
this._usedPool = true;
this._clear();
}
_remove() {
var tweens = Tween.tweenMap[this._target.$_GID];
if (tweens) {
for (var i = 0, n = tweens.length; i < n; i++) {
if (tweens[i] === this) {
tweens.splice(i, 1);
break;
}
}
}
}
restart() {
this.pause();
this._usedTimer = 0;
this._startTimer = Browser.now();
if (this._delayParam) {
ILaya.timer.once(this._delay, this, this.firstStart, this._delayParam);
return;
}
var props = this._props;
for (var i = 0, n = props.length; i < n; i++) {
var prop = props[i];
this._target[prop[0]] = prop[1];
}
ILaya.timer.once(this._delay, this, this._beginLoop);
}
resume() {
if (this._usedTimer >= this._duration)
return;
this._startTimer = Browser.now() - this._usedTimer - this._delay;
if (this._delayParam) {
if (this._usedTimer < 0) {
ILaya.timer.once(-this._usedTimer, this, this.firstStart, this._delayParam);
}
else {
this.firstStart.apply(this, this._delayParam);
}
}
else {
this._beginLoop();
}
}
static easeNone(t, b, c, d) {
return c * t / d + b;
}
}
Tween.tweenMap = [];