Class: ElementPressControlMethod

ElementPressControlMethod(element, parameter, velocity, friction)

Sets the velocity and friction of a single parameter by pressing and unpressing a DOM element.

Name	Type	Description
`element`	Element	Element which activates the method when pressed
`parameter`	string	The parameter to be controlled (e.g. `x`, `y` or `zoom`)
`velocity`	number	Velocity at which the parameter changes. Use a negative number for opposite direction
`friction`	number	Friction at which the parameter stops

Implements:

Destructor.