# Animated dplyr joins with gganimate
# * Garrick Aden-Buie
# * garrickadenbuie.com
# * MIT License: https://opensource.org/licenses/MIT

# Note: I used Fira Sans and Fira Mono fonts.
#       Use search and replace to use a different font if Fira is not available.

library(tidyverse)
library(gganimate)

if (!getOption("tidy_verb_anim.font_registered", FALSE)) {
  source(here::here("R", "01_register-fonts.R"))
}

if (!getOption("tidy_verb_anim.functions_loaded", FALSE)) {
  source(here::here("R", "02_functions.R"))
}

if (!dir.exists(here::here("images"))) dir.create(here::here("images"))

# Data ----
x <- data_frame(
  id = 1:3,
  x = paste0("x", 1:3)
)

y <- data_frame(
  id = (1:4)[-3],
  y = paste0("y", (1:4)[-3])
)

initial_dfs <- proc_data(x, "x") %>%
  bind_rows(mutate(proc_data(y, "y"), .x = .x + 3)) %>%
  mutate(frame = 1)