Umbra v0.5.0

Vector.

Umbra v0.4.0

degreesToRadians().

Umbra v0.3.0

sigma().

Umbra v0.2.1

Don't export WebGL constants to preserve package size.

Umbra v0.2.0

WebGL constants.

Umbra v0.1.0

Array from rule.

Umbra v0.0.1

Change package name due to conflict.