@SideOnly(Side.CLIENT)
 private void gluonParticles(
     EntityBallLightning other, double dx, double dy, double dz, float frac) {
   int c = ReikaColorAPI.mixColors(other.getRenderColor(), this.getRenderColor(), frac);
   EntityBlurFX fx = new EntityBlurFX(worldObj, dx, dy, dz);
   fx.setLife(5).setColor(c);
   Minecraft.getMinecraft().effectRenderer.addEffect(fx);
 }