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aframe-simple-sun-sky v1.2.2

Sky primitive using a simple (and fast) gradient away from the sun. For A-Frame WebVR.

aframe-simple-sun-sky

An A-Frame WebVR sky primitive using a simple (and fast) gradient away from the sun. Saves your GPU power for the terrain! Does not include any directional lighting. You may need to set sun-position on other elements to match.

sample screenshot

live example scene

When the sun goes below the horizon, you might want to switch to a different sky.

Include using

<script src="https://unpkg.com/aframe-simple-sun-sky@^1.2.2/simple-sun-sky.js"></script>

Basic use:

<a-simple-sun-sky sun-position="1 0.1 0"></a-simple-sun-sky>

The sky fades to fog-color near the horizon. If you use fog in your scene, set fog-color the same or very similar to your fog. If you don't use fog, set fog-color to a grayish variant of your sky colors. The special value 'none' will disable the horizon effect, for those rare worlds that are all sky and no land.

<a-simple-sun-sky sun-position="1 0.1 0" fog-color="#5681ac"></a-simple-sun-sky>

Setting the colors of the sky:

<a-simple-sun-sky sun-position="-1 1 -1" light-color="#87cefa" dark-color="#00bfff" fog-color="#74d2fa"></a-simple-sun-sky>

Adding lights so shadows work correctly:

<a-simple-sun-sky sun-position="0.7 0.4 -1"></a-simple-sun-sky>
<a-entity light="type: ambient; color: #BBB"></a-entity>
<a-entity light="type: directional; color: #FFF; intensity: 0.6" position="0.7 0.4 -1"></a-entity>

Increasing radius (default 5000) of sky sphere (increase the far parameter of the camera, too):

<a-simple-sun-sky sun-position="1 0.1 0" radius="30000"></a-simple-sun-sky>

You can change any of the colors on the fly, except changing fog to or from 'none'.

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