shinyLottie (version 1.0.0)

lottie_setDirection: Adjust 'Lottie' Animation Direction

Description

Adjust the playback direction of an existing 'Lottie' animation.

Usage

lottie_setDirection(
  direction = 1,
  name = "all",
  session = shiny::getDefaultReactiveDomain()
)

Value

This function is called for a side effect, and so there is no return value.

Arguments

direction

Either 1 for forward playback or -1 for reverse playback.

name

A character string specifying the name of the 'Lottie' animation to control. The default of "all" will control all animations within the 'shiny' application.

session

The 'shiny' session object. Defaults to the current reactive domain.

Details

Sends a custom session message "lottie_js_setDirection" containing the function arguments.

See Also

lottie_animation_methods for similar methods.

Examples

if (FALSE) { # interactive()
library(shiny)
library(shinyLottie)

ui <- fluidPage(
  include_lottie(),
  lottie_animation(
    path = "shinyLottie/example.json",
    name = "my_animation"
  ),
  actionButton("forwards", "Play Forwards"),
  actionButton("backwards", "Play Backwards")
)

server <- function(input, output, session) {
  observeEvent(input$forwards, {
    lottie_setDirection(direction = 1, name = "my_animation")
  })

  observeEvent(input$backwards, {
    lottie_setDirection(direction = -1, name = "my_animation")
  })
}

shinyApp(ui, server)
}