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In this tutorial, we are going to show you how to create a nebula with Phoenix. Since a nebula is a giant cloud of dust and gas in space, we will simulate it as smoke and then we will add lights to give it the appearance of a nebula. After simulating with a single Simulator, we will duplicate it into six instances. For better rendering performance we will render the scene using V-Ray GPU.

The simulation requires Phoenix 4.4130 Official Release and V-Ray 5 Official Release for 3ds Max 2017 at least. If you notice a major difference between the results shown here and the behavior of your setup, please reach us using the Support Form.

 

The Download button below provides you with an archive containing the start and end scenes.

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titleDownload Project Files
urlhttps://drive.google.com/uc?export=download&id=1eo4QLJbXj_4nsWsuEPVf3I0UjpH5wsKV

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<iframe width="800" height="450" src="https://www.youtube.com/embed/SbsNSpQql1w" frameborder="0" allowfullscreen></iframe>

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In this tutorial we have many steps to follow. To keep it concise, let's focus only on the Phoenix related steps, feel free to use the camera and light settings in the provided sample scene.

For your reference, below you can find the light, camera and environment particle settings.

 

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titleClick here to see the Camera and Light Settings...


Lights Settings

 

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Details for the three Omni lights.

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Position

Multiplier

RGB Color

Decay Type

Start

Omni001

2.5, 0.0, 12.0

2.0

146, 168, 239

Inverse Square

1.0

Omni002

-30.0, 1.0, 33.0

3.0

23, 81, 230

Inverse Square

0.3

Omni003

-32.5, -7.0, 8.5

0.4

47, 89, 224

Inverse Square

1.0

 

 

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For every Omni light, we enable the Atmosphere Shadows option in the Shadow Parameters rollout.

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Make sure Atmosphere Shadows is enabled when using native 3ds Max lights in the scene. Otherwise, the volumetric effects won't cast shadows.

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Environment Particle Settings

 

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A PCloud particle system is used for the stars. To mimic stars, a VRayLight Material is applied to it. The color is set to RGB (255, 180, 107) and the Multiplier to 0.5.

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Camera Settings

 

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We have two cameras in the scene. VRayCam001 is static and VRayCam002 is moving along the Circle shape. Both cameras are set to:

Film speed is set to 800.0.

F-Number is set to 1.4.

Shutter speed is set to 50.0.

 

The exact position of the VRayCam001 is XYZ: [ 3.0, 105.0, 8.0 ].

The exact position of the VRayCam001.Target is XYZ: [ 2.0, -2.5, 12.8 ].


The exact position of the VRayCam002 is XYZ: [ 2.302, 106.991, 12.0 ].

The exact position of the VRayCam002.Target is XYZ: [ 0.5, -2.0, 23.0 ].

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VRayCam 002 is path constrained to the Circle shape.

From frame 0 to frame 60, the %AlongPath is keyframed and animated from 21.0 to 25.0.

 

The exact position of the Circle shape is XYZ: [ 0, -3, 12.0 ].

Its orientation is set to XYZ: [ 0, 0, 13.2 ].

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