This is our entry for the Thursday, March 7th Demo Theater session at Esri Developer Summit 2019 in Palm Springs, CA.

It is an app that displays basemap visually enhanced with a custom layer that uses WebGL to display scenic elements such as trees swaying in the wind and a realistic water effect.

There are also some fire pits with flames and smoke.

All these visual elements are influenced by simulated wind speed and direction.

The app implements a lighting model that enables the user to visualize the scene at different times of the day, like noon, evening and night.

This is still a map, where you can pan, zoom, rotate and use all of the features of the API, including geolocation, popups, widgets and screenshot.

Using the screenshots feature, we implemented a photo mode where users can take a picture of what's on screen, to maybe share it or set it as desktop background.

Many thanks to the authors and maintainers of the following resources.

• glMatrix: http://glmatrix.net/

• GLSL noise algorithms: https://gist.github.com/patriciogonzalezvivo/670c22f3966e662d2f83.

• Smoke: https://opengameart.org/content/smoke-aura
• Fire: https://opengameart.org/content/fireball-effect
• Waves: https://opengameart.org/content/seamless-looping-waves-heightmaps

• Camera shutter: https://freesound.org/people/xef6/sounds/61059/