00:01 Build an epic mountain range in Gaia
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00:03 using just a few simple nodes. Let's go.
00:07 

00:07 The simulate nodes are designed to
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00:08 simulate natural phenomena such as
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00:11 erosion, sedimentation, water flow,
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00:14 wind, and gravity. These nodes transform
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00:17 terrain from an artificial look into
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00:20 something natural and believable. The
00:22 

00:22 first node is anatomies.
00:25 

00:25 The anatomies node simulates predefined
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00:28 terrain types based on realworld
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00:30 landform archetypes. It acts like a
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00:32 terrain generator with built-in natural
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00:35 logic, letting you build highly
00:37 

00:37 realistic base terrains with minimal
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00:40 setup. As you can see, it can add more
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00:43 depth to the existing details and
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00:45 enhance them with different modes.
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00:53 [Music]
00:57 

00:57 The crumble node. The crumble node
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01:00 simulates natural collapse and breakage
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01:02 in terrain like cliffs eroding and
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01:05 falling apart, rock slides or broken
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01:08 canyon walls. It introduces a sense of
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01:10 decay, age and drama to the terrain
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01:13 surface by fresh kungit in realistic
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01:16 ways. As you can see, it can create
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01:19 erosion or landslides along with
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01:21 depressions on our mountain just like in
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01:24 the image you see. At the same time, you
01:27 

01:27 can also simulate the area where the
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01:29 mountain connects with the ground. The
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01:32 easy erosion. The easy erosion node
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01:35 provides a quick and user-friendly way
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01:38 to apply erosion effects to your
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01:40 terrain. It's designed for artists who
01:43 

01:43 want fast results without needing to
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01:45 tweak complex erosion parameters. As you
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01:48 can see, with just one node, you can
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01:50 apply such strong details like rocky or
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01:54 exposed surfaces to the entire terrain,
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01:57 offering a wide variety for different
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01:59 scenes.
02:03 

02:03 The erosion node. The erosion node is
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02:07 one of Gaia's most powerful and
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02:09 essential simulation tools. It mimics
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02:12 the realworld processes of water flow,
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02:14 sediment displacement, and thermal
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02:17 erosion to create stunningly realistic
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02:19 terrain details. As you can see in the
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02:23 erosion section, you adjust the hardness
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02:25 percentage along with the depth of the
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02:27 rocks and erosion. By using the down
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02:29 cutting option, you create a cut with
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02:31 eroded details at the lower surface.
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02:34 Then by adding the flow features, you
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02:36 can achieve results that resemble this
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02:39 image.
02:41 

02:41 Erosion node two. The erosion node and
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02:45 erosion node 2 in GIA are generally
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02:48 similar in functionality. Both are used
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02:50 to simulate natural erosion, but they
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02:53 differ in accuracy, performance, and
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02:56 controllability.
02:57 

02:57 The second generation is hover than the
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02:59 previous one because it uses more
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03:02 advanced algorithms, but it provides
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03:04 greater accuracy. As you can see, it
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03:07 includes more precise algorithms. So,
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03:09 it's better to use this one for final
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03:12 work.
03:14 

03:14 The Halifer node. The Hullifer node
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03:17 enhances or creates ridgelike elevated
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03:20 landforms across your terrain. It's used
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03:23 to accentuate or simulate hill
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03:25 formations, giving the elevation
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03:27 structure before or after erosion for
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03:29 more balanced, readable terrain.
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03:32 Overall, it softens sharp details and
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03:35 makes the terrain smoother.
03:37 

03:37 Lutton bug node. This node is
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03:40 responsible for generating branching
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03:42 patterns and both connected and
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03:45 scattered flows similar to the effect of
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03:47 power lines or small rivers. As you can
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03:51 see, it creates scattered lines that by
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03:53 increasing the depth and spacing between
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03:56 the rocks can even be used to create
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03:58 fantasy-like scenes such as this one.
04:01 

04:01 The sediments node. The sediments node
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04:04 simulates the deposition of materials
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04:07 like sand, mud, or debris that are
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04:10 carried and deposited by natural erosion
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04:12 processes. It adds layers of realism by
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04:15 mimicking how terrain naturally builds
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04:17 up over time in lower areas. You can
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04:21 create mountains sunk in sand, buried in
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04:23 snow, or even a scene with piles of
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04:26 debris.
04:31 

04:31 The thermal node. The thermal node
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04:34 simulates thermal erosion, also known as
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04:37 creep. This process models how material
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04:39 from steep slopes collapses and slides
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04:42 downward due to gravity over time
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04:44 leading to softer rounded shapes. As you
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04:48 can see here, we can simulate the flow
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04:50 of materials such as water, lava, or mud
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04:53 within the surface depressions.
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04:58 [Music]
05:10 

05:10 thermal 2 node. Compared to the first
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05:13 node, it's lighter and can even affect
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05:16 surfaces. Using the remove sediment
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05:19 option, you can control its percentage
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05:21 or even remove it entirely.
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05:26 [Music]
05:30 

05:30 The wizard node. The wizard node is a
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05:34 multi-function simulation assistant that
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05:36 helps you quickly generate complex
05:38 

05:38 terrains using preconfigured erosion and
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05:41 shaping logic. It's perfect for rapid
05:44 

05:44 prototyping, concept terrain design, or
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05:47 when you want a quick starting point
05:49 

05:49 without manually chaining multiple
05:51 

05:51 nodes. As you can see, you can control
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05:54 the intensity, spacing, material, and
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05:57 its strength, the distance between the
05:59 

05:59 grooves, and even the shape of the
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06:01 peaks.
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06:11 [Music]
06:34 

06:34 Hey,
06:38 

06:38 hey, hey.
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06:45 [Music]
07:11 

07:11 The Wizard Two, the wizard and wizard 2
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07:14 nodes in Gaia seem to have similar
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07:17 functionality. Both are used for quickly
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07:20 generating terrain with combined
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07:22 algorithms, but there are some
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07:24 differences between the two. Wizard 2
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07:27 comes improved with higher quality and
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07:30 variety.
07:32 

07:32 More natural results, suitable for final
07:35 

07:35 projects. Advanced and more flexible
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07:38 settings. Slightly hover but optimized
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07:41 for quality. Perfect for starting a
07:44 

07:44 professional project with production
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07:46 ready output.
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07:53 [Music]
08:02 

08:02 The debris node. The debris node
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08:04 simulates the accumulation of small
08:06 

08:06 rocks, gravel, and fragments at the base
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08:09 of slopes and cliffs, replicating how
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08:12 natural debris collects over time
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08:14 through erosion and rockfall.
08:32 

08:32 the screen node. This node is also
08:35 

08:35 similar to the previous one. The screen
08:38 

08:38 node simulates loose rock fragments and
08:40 

08:40 slope debris that typically form scree
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08:43 fields. Those layered gravel-like piles
08:46 

08:46 you often see at the base of cliffs or
08:48 

08:48 steep mountains.
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08:55 [Music]
08:59 

08:59 The dusting node. The dusting node
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09:02 simulates fine dust or sediment
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09:05 accumulation on flat or semiflat areas
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09:08 of terrain. It adds a soft layer of
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09:10 micro deposition similar to how real
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09:13 dust settles over time in crevices and
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09:16 lows slope areas making it feel highly
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09:18 realistic and controllable. As you can
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09:21 see, it actually gives us a mask and we
09:24 

09:24 can easily use this mask in Gaia or
09:26 

09:26 export it and use it in Unreal.
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09:38 [Music]
09:44 

09:44 [Music]
09:46 

09:46 The snow node. The snow node simulates
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09:49 snow accumulation on terrain, adding a
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09:52 layer of soft, elevated buildup that
09:54 

09:54 mimics natural snowfall. It's based on
09:57 

09:57 angle, elevation, and direction, making
10:00 

10:00 it feel highly realistic and
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10:02 controllable.
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10:04 As you can see, with its options, it can
10:06 

10:06 generate smooth, uniform snow, snow with
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10:09 scattered depressions, or even melted
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10:12 snow.
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10:14 [Music]
10:16 

10:16 The snowfield node. The snowfield node
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10:19 simulates broad snow-covered terrain as
10:22 

10:22 a primary landform rather than just
10:24 

10:24 layering snow on existing terrain. It is
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10:27 used to generate entire snowy
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10:29 landscapes, not just snow accumulation
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10:32 on surfaces.
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10:35 [Music]
10:43 

10:43 [Music]
10:52 

10:52 The shrubs node. The shrubs node
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10:55 generates a distribution mask for low
10:58 

10:58 vegetation like bushes, shrubs, and
11:00 

11:00 undergrowth. It simulates how such
11:03 

11:03 vegetation tends to grow in specific
11:05 

11:05 elevation, slope, and erosion protected
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11:08 areas. As you can see, you can increase
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11:11 or decrease the masks intensity,
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11:14 subtract it from the height or from the
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11:16 surface, and many other options.
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11:33 [Music]
11:35 

11:35 Down.
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11:38 [Music]
11:41 

11:41 Down.
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11:44 [Music]
11:53 

11:53 [Music]
11:54 

11:54 The trees node generates a mask for tree
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11:57 distribution, simulating natural growth
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11:59 conditions for various forest types.
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12:02 It's highly customizable and helps
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12:04 define where trees would grow
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12:06 realistically based on terrain features.
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12:10 This node also works similarly to the
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12:12 previous one, and you can fully control
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12:14 it in every way. Feel
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12:18 [Music]
12:32 

12:32 free.
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12:34 [Music]
12:49 

12:49 [Music]
12:57 

12:57 The lake node. The lake node simulates
12:60 

12:60 the natural accumulation of water in
13:02 

13:02 low-lying areas of the terrain,
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13:04 essentially identifying and filling
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13:06 basins and valleys where water would
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13:09 logically collect. It's used to create
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13:11 realistic lake beds and water body masks
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13:14 for further use in rendering or game
13:17 

13:17 engines.
13:27 

13:27 The river node. The river node
13:30 

13:30 procedurally generates natural river
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13:32 paths across your terrain, simulating
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13:35 how rivers cut through landscapes over
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13:37 time. It intelligently follows elevation
13:40 

13:40 flow and erosion patterns creating
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13:42 realistic river beds, banks and deltas.
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13:53 [Music]
14:08 

14:08 [Music]
14:14 

14:14 [Music]
14:19 

14:19 The sea node adds a global sea level to
14:21 

14:21 your terrain, simulating the presence of
14:24 

14:24 oceans or large bodies of water. It
14:27 

14:27 works by flooding low-lying areas based
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14:29 on a defined elevation threshold and
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14:32 gives you a clean mask for sea regions.
14:35 

14:35 As you can see, by adding erosion to a
14:37 

14:37 hillside, we can create a good base for
14:40 

14:40 applying this node. And by adding
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14:42 debris, we can bring even more detail to
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14:45 the scene.
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14:46 [Music]
15:24 

15:24 [Music]
15:31 

15:31 [Music]
15:41 

15:41 Now let's take this simple mountain
15:43 

15:43 example that I made and you can practice
15:46 

15:46 it as well. First, I created a mountain
15:49 

15:49 and made a copy of it since I wanted the
15:51 

15:51 second one to be placed a bit farther
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15:53 back. Then, I moved them around. I added
15:57 

15:57 adjust to them to increase their
15:59 

15:59 intensity. And then, to give them a more
16:02 

16:02 spherical shape relative to the ground,
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16:04 I used the shaper node. I also added a
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16:07 mountain range node to create surface
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16:10 irregularities and an erosion node to
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16:13 give our mountains better detail. I
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16:16 combined all the nodes together. For the
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16:18 side mountains, I also created two more
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16:21 mountains, moved them around, and
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16:23 finally combined them with the other
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16:25 nodes. Finally, by adding a snowfall
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16:28 node, I achieved this result. You can
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16:31 even simulate the mountains in the
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16:33 background in the same way. So, don't
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16:35 wait. Start practicing and test out the
16:38 

16:38 nodes you've learned.