Constructs a new blend mode.
The blend function.
Optional
opacity: numberThe opacity of the color that will be blended with the base color.
A uniform that controls the opacity of this blend mode.
TODO Add opacity accessors for uniform value.
The blend function.
Adds a listener to an event type.
Fire an event type.
Returns the blend function.
The blend function.
Checks if listener is added to an event type.
Removes a listener from an event type.
Sets the blend function.
The blend function.
A blend mode.