[Bf-cycles] Zero-Angled Spotlight?

[Mohamed Sakr]

try to put a noise texture to the anisotropy input

On Tue, Sep 1, 2015 at 5:14 PM, Zauber Paracelsus <zauber at gridmail.org>
wrote:

> That gets it halfway working.  To get it fully working though, I have to
> turn up the volume scatter's anisotropy to full... and while that makes
> the laser beam visible only within the mist, it also makes the mist
> itself disappear :-/
>
> On 09/01/2015 10:56 AM, Gottfried Hofmann wrote:
> > Make it visible to scatter rays only (in the object tab -> ray
> visibility)
> >
> > On 01.09.2015 16:51, Zauber Paracelsus wrote:
> >> The problem with that, however, is that the laser would be visible when
> >> it is not passing through the mist as well.
> >>
> >>
> >>
> >> On 09/01/2015 10:48 AM, Mohamed Sakr wrote:
> >>> actually this is not possible with lights, your only solution is a
> >>> cylinder object "acting as your laser light" , and put an emission
> >>> node in the volume output "leave surface empty"
> >>>
> >>> On Tue, Sep 1, 2015 at 4:42 PM, Zauber Paracelsus <zauber at gridmail.org
> >>> <mailto:zauber at gridmail.org>> wrote:
> >>>
> >>>      Would it be possible to change the minimum angle width of a
> spotlight
> >>>      from one degree to zero?  I was tinkering with a scene filled with
> >>>      mist,
> >>>      and wanted to create the effect of laser lights transmitting
> through
> >>>      mist, which would scatter their light and make the beam visible.
> The
> >>>      closest light I could think of that would produce the effect was a
> >>>      spotlight, but due to its minimum angle width of 1 degree, I am
> >>>      not sure
> >>>      if I can accomplish the effect.
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> >>>
> >>>
> >>>
> >>>
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> >>
> >>
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>
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