UIPinchGestureRecognizerのstateとscale内容

2020.07.03

UIPinchGestureRecognizerで通知される具体的な内容

UIPinchGestureRecognizerのピンチ操作でどんな値が通知されるか、毎回忘れてしまうため記録します。

state=.began のscaleを1.0としてピンチされた率が通知されてきます。

time	state	scale	velocity
0.000	began	1.030	0.719
0.017	changed	1.095	1.527
0.017	changed	1.095	1.527
0.033	changed	1.160	3.939
0.050	changed	1.233	4.021
0.067	changed	1.296	4.211
0.083	changed	1.349	3.631
0.100	changed	1.491	4.506
0.117	changed	1.542	7.162
0.133	changed	1.583	2.936
0.150	changed	1.613	2.268
0.167	changed	1.630	1.618
0.183	changed	1.646	0.997
0.200	changed	1.659	0.917
0.217	changed	1.675	0.819
0.233	changed	1.684	0.834
0.250	changed	1.697	0.622
0.267	changed	1.715	0.854
0.283	changed	1.727	1.013
0.300	changed	1.737	0.699
0.317	changed	1.746	0.551
0.333	changed	1.748	0.465
0.344	changed	1.751	0.313
0.345	changed	1.751	0.313
0.353	ended	1.751	0.313

time	state	scale	velocity
0.000	began	0.984	-0.123
0.017	changed	0.961	-0.433
0.017	changed	0.961	-0.433
0.033	changed	0.936	-1.408
0.050	changed	0.879	-2.002
0.067	changed	0.831	-3.268
0.084	changed	0.777	-2.976
0.100	changed	0.720	-3.277
0.117	changed	0.666	-3.368
0.133	changed	0.621	-3.090
0.150	changed	0.582	-2.622
0.167	changed	0.544	-2.316
0.183	changed	0.511	-2.235
0.200	changed	0.483	-1.866
0.217	changed	0.459	-1.635
0.233	changed	0.436	-1.424
0.250	changed	0.419	-1.307
0.267	changed	0.408	-0.923
0.283	changed	0.400	-0.612
0.300	changed	0.391	-0.518
0.317	changed	0.389	-0.426
0.320	changed	0.389	-0.426
0.333	changed	0.389	-0.426
0.350	changed	0.389	-0.426
0.353	ended	0.389	-0.426