Guidelines for Implementing Particle Animation in Your Shiny Application

I'm curious about implementing Particle-animation in the background of my Shiny app, similar to the effects in

Here's the current state of my Shiny code.

ui.R

library(shiny)

fluidPage(
    tagList(tags$head(includeCSS("CSS.css"), includeScript("particles.js"), includeScript("JS.js"))),

    div(div(id = 'particles-js'), selectInput("Dummy", "Some Dummy number:",c(1,2,3)))
)

server.R

server <- function(input, output) {

}

CSS.css

#particles-js {
  width: 100%;
  height: 100%;
  background: rgba(0,53,107, 0.3);
}

JS.js

particlesJS("particles-js", {
    particles: { 
        // particle settings
    },
    interactivity: { 
        // interactivity settings
    },
    retina_detect: true
});

Unfortunately, the current code does not integrate the Particle animation into my Shiny app background.

I would greatly appreciate any guidance in the right direction.

Thank you,

javascriptrshinyparticles.js

Answer №1

A potential solution based on the suggestion provided in this source is outlined below:

ui.r

ui <- fluidPage(
    tagList(
    tags$head(tags$script(src="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="44342536302d272821376a2e3704766a746a746a">[email protected]</a>/particles.min.js")),
    tags$head(includeCSS("CSS.css")),
    includeScript("app.js")),   
    div(div(id = 'particles-js'), selectInput("Dummy", "Some Dummy number:",c(1,2,3)))  
)

app.js

particlesJS.load('particles-js', 'particles.json');

particles.json

{
  "particles": {
    "number": {
      "value": 80,
      "density": {
        "enable": true,
        "value_area": 800
      }
    },
    "color": {
      "value": "#ffffff"
    },
    "shape": {
      "type": "circle",
      "stroke": {
        "width": 0,
        "color": "#000000"
      },
      "polygon": {
        "nb_sides": 5
      },
      "image": {
        "src": "img/github.svg",
        "width": 100,
        "height": 100
      }
    },
    "opacity": {
      "value": 0.5,
      "random": false,
      "anim": {
        "enable": false,
        "speed": 1,
        "opacity_min": 0.1,
        "sync": false
      }
    },
    "size": {
      "value": 10,
      "random": true,
      "anim": {
        "enable": false,
        "speed": 80,
        "size_min": 0.1,
        "sync": false
      }
    },
    "line_linked": {
      "enable": true,
      "distance": 300,
      "color": "#ffffff",
      "opacity": 0.4,
      "width": 2
    },
    "move": {
      "enable": true,
      "speed": 12,
      "direction": "none",
      "random": false,
      "straight": false,
      "out_mode": "out",
      "bounce": false,
      "attract": {
        "enable": false,
        "rotateX": 600,
        "rotateY": 1200
      }
    }
  },
  "interactivity": {
    "detect_on": "canvas",
    "events": {
      "onhover": {
        "enable": false,
        "mode": "repulse"
      },
      "onclick": {
        "enable": true,
        "mode": "push"
      },
      "resize": true
    },
    "modes": {
      "grab": {
        "distance": 800,
        "line_linked": {
          "opacity": 1
        }
      },
      "bubble": {
        "distance": 800,
        "size": 80,
        "duration": 2,
        "opacity": 0.8,
        "speed": 3
      },
      "repulse": {
        "distance": 400,
        "duration": 0.4
      },
      "push": {
        "particles_nb": 4
      },
      "remove": {
        "particles_nb": 2
      }
    }
  },
  "retina_detect": true
}

CSS.css

#particles-js  canvas{
  position: absolute;
  width: 100%;
  height: 100%;
  background: rgba(0,53,107, 0.3);
  z-index: -1;
}

The app.js and particles.json files should be placed in the www directory within Shiny (

C:\Users\<user>\Documents\R\win-library\3.4\shiny\www
for Windows 7).

https://i.sstatic.net/LnUAq.png

Answer №2

Integrate dynamic animations into your projects by leveraging the shinyparticles package available on Github.

ui <- fluidPage(
       particles(),
       headerPanel("Check out this interactive app")
      )
server <- function(input, output, session){}

shinyApp(ui, server)

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