| timeStart | The start time for the ease curve. |
| valueStart | The start value for the ease curve. |
| timeEnd | The end time for the ease curve. |
| valueEnd | The end value for the ease curve. |
AnimationCurve The ease-in and out curve generated from the specified values.
Прямая линия начинается в timeStart, valueStart и заканчивается в timeEnd, valueEnd.