| 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419 | 9x
9x
9x
502x
9x
292x
292x
292x
292x
292x
292x
292x
292x
292x
163x
163x
7x
156x
280x
156x
280x
163x
9x
149x
233x
149x
233x
9x
324x
4x
4x
11x
11x
4x
4x
4x
4x
4x
9x
6770x
1389x
5381x
9x
13x
13x
29x
13x
13x
9x
89x
89x
89x
160x
89x
89x
89x
89x
6x
83x
9x
128x
128x
128x
9x
241x
241x
241x
241x
96x
96x
96x
96x
96x
96x
96x
3x
96x
93x
93x
86x
98x
95x
95x
95x
11x
84x
103x
84x
84x
102x
102x
20x
82x
84x
84x
45x
39x
39x
39x
84x
9x
7x
9x
9x
3x
9x
98x
98x
98x
98x
97x
97x
97x
175x
97x
97x
2535x
2535x
2535x
2535x
2535x
2535x
90x
90x
90x
90x
2445x
3x
2442x
97x
90x
90x
90x
156x
143x
13x
13x
13x
90x
9x
13x
13x
13x
13x
13x
13x
9x
| import {
getInsidePosition,
isCircularable,
getCirculatedPos,
getDuration,
} from "../Coordinate";
import { Axis, AxisManager } from "../AxisManager";
import { InterruptManager } from "../InterruptManager";
import { EventManager, ChangeEventOption } from "../EventManager";
import {
requestAnimationFrame,
cancelAnimationFrame,
map,
every,
filter,
equal,
roundNumber,
getDecimalPlace,
inversePow,
} from "../utils";
import { AxesOption } from "../Axes";
import {
AnimationParam,
ObjectInterface,
UpdateAnimationOption,
} from "../types";
export interface AnimationState {
pos: Axis;
easingPer: number;
finished: boolean;
}
const clamp = (value: number, min: number, max: number): number => {
return Math.max(Math.min(value, max), min);
};
export abstract class AnimationManager {
public interruptManager: InterruptManager;
public eventManager: EventManager;
public axisManager: AxisManager;
protected _options: AxesOption;
protected _animateParam: AnimationParam;
private _raf: number;
public constructor({
options,
interruptManager,
eventManager,
axisManager,
}: {
options: AxesOption;
interruptManager: InterruptManager;
eventManager: EventManager;
axisManager: AxisManager;
}) {
this._options = options;
this.interruptManager = interruptManager;
this.eventManager = eventManager;
this.axisManager = axisManager;
this.animationEnd = this.animationEnd.bind(this);
}
public abstract interpolate(displacement: number, threshold: number): number;
public abstract updateAnimation(options: UpdateAnimationOption): void;
protected abstract _initState(info: AnimationParam): AnimationState;
protected abstract _getNextState(prevState: AnimationState): AnimationState;
public getDuration(
depaPos: Axis,
destPos: Axis,
wishDuration?: number
): number {
let duration: number;
if (typeof wishDuration !== "undefined") {
duration = wishDuration;
} else {
const durations: Axis = map(destPos, (v, k) =>
getDuration(Math.abs(v - depaPos[k]), this._options.deceleration)
);
duration = Object.keys(durations).reduce(
(max, v) => Math.max(max, durations[v]),
-Infinity
);
}
return clamp(
duration,
this._options.minimumDuration,
this._options.maximumDuration
);
}
public getDisplacement(velocity: number[]): number[] {
const totalVelocity = Math.pow(
velocity.reduce((total, v) => total + v * v, 0),
1 / velocity.length
);
const duration = Math.abs(totalVelocity / -this._options.deceleration);
return velocity.map((v) => (v / 2) * duration);
}
public stopAnimation(option?: ChangeEventOption): void {
if (this._animateParam) {
const orgPos: Axis = this.axisManager.get();
const pos: Axis = this.axisManager.map(orgPos, (v, opt) =>
getCirculatedPos(v, opt.range, opt.circular as boolean[])
);
Iif (!every(pos, (v, k) => orgPos[k] === v)) {
this.eventManager.triggerChange(pos, orgPos, option, !!option);
}
this._animateParam = null;
Eif (this._raf) {
cancelAnimationFrame(this._raf);
}
this._raf = null;
this.eventManager.triggerAnimationEnd(!!option?.event);
}
}
public getEventInfo(): ChangeEventOption {
if (
this._animateParam &&
this._animateParam.input &&
this._animateParam.inputEvent
) {
return {
input: this._animateParam.input,
event: this._animateParam.inputEvent,
};
} else {
return null;
}
}
public restore(option: ChangeEventOption): void {
const pos: Axis = this.axisManager.get();
const destPos: Axis = this.axisManager.map(pos, (v, opt) =>
Math.min(opt.range[1], Math.max(opt.range[0], v))
);
this.stopAnimation();
this.animateTo(destPos, this.getDuration(pos, destPos), option);
}
public animationEnd(): void {
const beforeParam: ChangeEventOption = this.getEventInfo();
this._animateParam = null;
// for Circular
const circularTargets = this.axisManager.filter(
this.axisManager.get(),
(v, opt) => isCircularable(v, opt.range, opt.circular as boolean[])
);
Iif (Object.keys(circularTargets).length > 0) {
this.setTo(
this.axisManager.map(circularTargets, (v, opt) =>
getCirculatedPos(v, opt.range, opt.circular as boolean[])
)
);
}
this.interruptManager.setInterrupt(false);
this.eventManager.triggerAnimationEnd(!!beforeParam);
if (this.axisManager.isOutside()) {
this.restore(beforeParam);
} else {
this.finish(!!beforeParam);
}
}
public finish(isTrusted: boolean): void {
this._animateParam = null;
this.interruptManager.setInterrupt(false);
this.eventManager.triggerFinish(isTrusted);
}
public getUserControl(param: AnimationParam): {
destPos: Axis;
duration: number;
} {
const userWish = param.setTo();
userWish.destPos = this.axisManager.get(userWish.destPos);
userWish.duration = clamp(
userWish.duration,
this._options.minimumDuration,
this._options.maximumDuration
);
return userWish;
}
public animateTo(
destPos: Axis,
duration: number,
option?: ChangeEventOption
): void {
this.stopAnimation();
const param: AnimationParam = this._createAnimationParam(
destPos,
duration,
option
);
const depaPos = { ...param.depaPos };
const retTrigger = this.eventManager.triggerAnimationStart(param);
// to control
const userWish = this.getUserControl(param);
// You can't stop the 'animationStart' event when 'circular' is true.
Iif (
!retTrigger &&
this.axisManager.every(userWish.destPos, (v, opt) =>
isCircularable(v, opt.range, opt.circular as boolean[])
)
) {
console.warn(
"You can't stop the 'animation' event when 'circular' is true."
);
}
if (retTrigger && !equal(userWish.destPos, depaPos)) {
const inputEvent = option?.event || null;
this._animateLoop(
{
depaPos,
destPos: userWish.destPos,
duration: userWish.duration,
delta: this.axisManager.getDelta(depaPos, userWish.destPos),
isTrusted: !!inputEvent,
inputEvent,
input: option?.input || null,
},
() => this.animationEnd()
);
}
}
public setTo(pos: Axis, duration: number = 0) {
const axes: string[] = Object.keys(pos);
const orgPos: Axis = this.axisManager.get(axes);
if (equal(pos, orgPos)) {
return this;
}
this.interruptManager.setInterrupt(true);
let movedPos = filter(pos, (v, k) => orgPos[k] !== v);
Iif (!Object.keys(movedPos).length) {
return this;
}
movedPos = this.axisManager.map(movedPos, (v, opt) => {
const { range, circular } = opt;
if (circular && (circular[0] || circular[1])) {
return v;
} else {
return getInsidePosition(v, range, circular as boolean[]);
}
});
Iif (equal(movedPos, orgPos)) {
return this;
}
if (duration > 0) {
this.animateTo(movedPos, duration);
} else {
this.stopAnimation();
this.eventManager.triggerChange(movedPos);
this.finish(false);
}
return this;
}
public setBy(pos: Axis, Iduration = 0) {
return this.setTo(
map(this.axisManager.get(Object.keys(pos)), (v, k) => v + pos[k]),
duration
);
}
public setOptions(options: AxesOption) {
this._options = {
...this._options,
...options,
};
}
private _createAnimationParam(
pos: Axis,
duration: number,
option?: ChangeEventOption
): AnimationParam {
const depaPos: Axis = this.axisManager.get();
const destPos: Axis = pos;
const inputEvent = option?.event || null;
return {
depaPos,
destPos,
duration: clamp(
duration,
this._options.minimumDuration,
this._options.maximumDuration
),
delta: this.axisManager.getDelta(depaPos, destPos),
inputEvent,
input: option?.input || null,
isTrusted: !!inputEvent,
done: this.animationEnd,
};
}
private _animateLoop(param: AnimationParam, complete: () => void): void {
Eif (param.duration) {
this._animateParam = {
...param,
startTime: new Date().getTime(),
};
const originalIntendedPos = map(param.destPos, (v) => v);
let state = this._initState(this._animateParam);
const loop = () => {
this._raf = null;
const animateParam = this._animateParam;
const nextState = this._getNextState(state);
const isCanceled = !this.eventManager.triggerChange(
nextState.pos,
state.pos
);
state = nextState;
if (nextState.finished) {
animateParam.destPos = this._getFinalPos(
animateParam.destPos,
originalIntendedPos
);
Iif (
!equal(
animateParam.destPos,
this.axisManager.get(Object.keys(animateParam.destPos))
)
) {
this.eventManager.triggerChange(
animateParam.destPos,
nextState.pos
);
}
complete();
return;
} else if (isCanceled) {
this.finish(false);
} else {
this._raf = requestAnimationFrame(loop);
}
};
loop();
} else {
this.eventManager.triggerChange(param.destPos);
complete();
}
}
/**
* Get estimated final value.
*
* If destPos is within the 'error range' of the original intended position, the initial intended position is returned.
* - eg. original intended pos: 100, destPos: 100.0000000004 ==> return 100;
* If dest Pos is outside the 'range of error' compared to the originally intended pos, it is returned rounded based on the originally intended pos.
* - eg. original intended pos: 100.123 destPos: 50.12345 => return 50.123
* @param originalIntendedPos
* @param destPos
*/
private _getFinalPos(
destPos: ObjectInterface<number>,
originalIntendedPos: ObjectInterface<number>
): Axis {
// compare destPos and originalIntendedPos
// eslint-disable-next-line @typescript-eslint/naming-convention
const ERROR_LIMIT = 0.000001;
const finalPos = map(destPos, (value, key) => {
if (
value >= originalIntendedPos[key] - ERROR_LIMIT &&
value <= originalIntendedPos[key] + ERROR_LIMIT
) {
// In error range, return original intended
return originalIntendedPos[key];
} else {
// Out of error range, return rounded pos.
const roundUnit = this._getRoundUnit(value, key);
const result = roundNumber(value, roundUnit);
return result;
}
});
return finalPos;
}
private _getRoundUnit(val: number, key: string): number {
const roundUnit = this._options.round; // manual mode
let minRoundUnit = null; // auto mode
// auto mode
Eif (!roundUnit) {
// Get minimum round unit
const options = this.axisManager.getAxisOptions(key);
minRoundUnit = inversePow(
Math.max(
getDecimalPlace(options.range[0]),
getDecimalPlace(options.range[1]),
getDecimalPlace(val)
)
);
}
return minRoundUnit || roundUnit;
}
}
|