Made by Evan Wallace

This demo requires a decent graphics card and up-to-date drivers. If you can’t run the demo, you can still see it on YouTube.

Interactions:

• Draw on the water to make ripples
• Drag the background to rotate the camera
• Press SPACEBAR to pause and unpause
• Drag the sphere to move it around
• Press the L key to set the light direction
• Press the G key to toggle gravity

Features:

• Raytraced reflections and refractions
• Analytic ambient occlusion
• Heightfield water simulation *
• Soft shadows
• Caustics (see this for details) **

* requires the OES_texture_float extension

** requires the OES_standard_derivatives extension

Tile texture from zooboing on Flickr