umd library bug fixed

Merge pull request #27 from saqsun/master

umd library bug fixed

Bug fixings

Merge pull request #26 from saqsun/master

bug fixings

v1.0.0-alpha.18: Merge pull request #25 from saqsun/master

v1.0.0-alpha.18

webpack config

Merge pull request #22 from saqsun/master

added emit function to ParticleEffect to be abel to start emitters manually

Added emit function to ParticleEffect to be able to emit manually

Merge pull request #22 from saqsun/master

added emit function to ParticleEffect to be abel to start emitters manually

Bug fixings and performance improvements

Merge pull request #21 from saqsun/master

Bug fixings and performance improvements

Random lifespan ability

v1.0.0-alpha.14

version update to 1.0.0-alpha.14

Now plugin can be added via script tag

Merge pull request #19 from saqsun/master

Now plugin can be added via script tag

Fixed unnecessary image load

Merge pull request #18 from saqsun/master

fixed unnecessary image load

Rotation and anchor

1. Added ability to set particle start rotation
2. Added ability to set particle anchor