Generates an exponential curve from the start value to the end value. Both the start and end values must be non-zero and have the same sign.
| start |
Starting value. |
| end |
Ending value. |
| dur |
Duration in seconds. |
| mul |
Output will be multiplied by this value. |
| add |
This value will be added to the output. |
| doneAction |
A doneAction to be evaluated when the line is completed. See Done for more detail. |