A Sharing of 3D Scene Reproduction from 'For Honor'

Final result 1

In this article, Fox Renderfarm, the CG industry's leading cloud rendering service provider and render farm, shares a 3D scene produced by a team of students working together, based on the Ubisoft's game "For Honor".

Final result:

Final result 2

Final result 3

1. Analyze Original Artwork and construct Rough Scene

We used a standard PBR production process for this case. In order to accurately restore the scene proportions, all team members conducted on-site inspections in the game. Afterwards, individual tasks were assigned to each person.

assign tasks

To ensure that the proportions of the model are accurate, our team leader simplified the entire scene into basic geometric shapes and assigned these models to individuals as reference for scale.

Rough scene model

Rough scene model

2. Making Mid-poly Model

Character sculpture: At the beginning, I was very confused because I had never dealt with character sculpture before. After consulting with my teacher, I got some directions. The idea was to start with a basic human model in ZBrush and pose it, then reduce the polygons and export it as a reference for building the equipment structure on the model in 3ds Max. The head, hands, feet, and equipment were all done separately. As for the head, I adjusted the face using a basic male head model in ZBrush, and created a rough model of the hair and beard using two basic spheres. Because I had no experience with ZBrush sculpting, I had to spend some time every day learning the basics, which made me the slowest member in the group's progress during the entire production process.

Mid-poly model

Mid-poly model

Small objects: The small objects were not complicated for me. I needed to refine the model structure based on the rough model. It was important to pay attention to the object's topology and always consider adding edges loop in high-poly modeling. During production, it was crucial to ensure that the size of the small objects was consistent with the rough model, otherwise the proportions in the scene would be incorrect. For some small objects, such as wooden planks, locks, and iron rings, it was only necessary to create two or three different models and reuse them repeatedly.

Wall pillar: This part requires the use of four-way continuous patterns, which seamlessly connects all four sides and loops around. The low-poly walls can be directly textured using this method. I made a lot of mistakes at the beginning, but with the guidance of my teacher, I was able to correctly use ZBrush's Deformation -> Offset feature to create the correct four-way continuous patterns.

The mid-poly model is just for transitional purposes, designed to facilitate the production of high-poly models with as much detail as possible. It's important to ensure that the various components can be interspersed rather than being created as a single object, as it would not only be troublesome but also make sculpting difficult.

Mid-poly scene

Mid-poly scene

3. Making High-poly Model

I find it really challenging to sculpt the stone texture of a person. I thought about many complex techniques, but in the end, I realized that simplicity was the key. I approached the sculpture by working on each part separately, starting with the face. I searched for a lot of references, mostly of elderly men, as well as some images of muscles and bones.

Since I wanted to create a stone statue of a person, capturing the subject's characteristics was essential. I pushed down the center of his forehead to give him a serious look. I made each facial feature three-dimensional, and since he appeared to be older, I carved deeper eye sockets and more pronounced cheekbones. The fabric carving was also quite challenging, but after studying and practicing, I got much better at it.

Sculpting high-poly model 1

Sculpting high-poly model 2

Sculpting high-poly model

Stone and wood: In this part, the team encountered some issues. Specifically, the wood texture appeared unnatural with no variation, and in some cases, the wood grain was even at an angle. Meanwhile, the stone was carved too softly without any layers. The best approach to solve these problems is to observe the small details that we often overlook in daily life, and then be more careful and patient when sculpting. It's essential to consider the intrinsic characteristics of the object and avoid over-sculpting just for the sake of it.

Sculpting small objects

Sculpting small objects

Pillar pattern: With the guidance of our teacher, we learned to use grayscale images to create some decorative effects. By using the correct method, we were able to save a lot of time in the project.

Pillar pattern

Pillar pattern

High-poly scene

High-poly scene

4. Making Low-poly Model

For irregular models such as figurines, eagles, and skulls, we exported their high-poly models and imported them into TopoGun for retopology. The topology was manually sketched using high-poly models, and followed the structure points while maintaining low face counts. Whenever possible, the convex structures were topologized, while small details, such as dents and damage sites, were achieved using normal maps instead of actual topology. It is important to follow the original structure when doing topology! Due to our lack of experience, we ran into various problems during the topology process, but we were gradually progressing. Regular objects were created by adding and subtracting lines from mid-poly models in the early stages.

Topology Model

Topology model

After completing the low-poly models, it was time to split the UV maps. This raised the question of how many textures and what size should be used. Since this was a personal project, we standardized our texture size to 1 m/512 pixels. We aimed to maintain consistent pixel density throughout the entire scene. For the figurines, I used four 4096 pixel textures, while over 30 textures were used for the whole scene. If any member failed to organize the files properly, it would cause difficulties during integration. Therefore, it is crucial to adhere to the standards when submitting the files.

split the UV maps

Next was time to bake the normal map. We chose to use Marmoset Toolbag for baking the normal map. Because the topology of the models was already completely matched during the process, there was no need to match the high- and low- poly models again. However, for regular models, the matching process should be done in 3ds Max. Then, separate the high- and low-poly parts and group them before importing them into Marmoset Toolbag for baking.

Marmoset Toolbag makes it convenient to manually edit some flawed normal maps. During baking, we make sure that the wrapper completely wraps around the high-poly models. If the normal map has minor issues, they can be fixed in Photoshop. However, if there are major problems, it's necessary to backtrack and search for the reason, such as whether a smooth group was separated but the UV wasn't disconnected.

5. Making Material

Our approach to material creation is to first identify the object's color and texture, create its volume, add textures, and finally add details. To maintain a consistent material tone across the entire scene, we had one student create the base materials, establish the tone, and then export intelligent material balls for others to use. They could then add texture details that suited their own model structures based on the established tone.

Effective material creation process requires collaboration and communication; working in isolation and obsessing over individual model details while neglecting overall effects and tonal consistency is problematic.

Layering materials can create more intricate effects, so it is advisable to experiment with different combinations.

Making Material 1

Making Material 2

Making Material 3

Making Material 4

6. Rendering

We rendered using Unreal Engine 4. As we were new to the software, the team leader learned the software while attempting to adjust the visual effects. When importing files from 3ds Max to Unreal Engine 4, the team leader discovered an Unreal Engine official importer plugin called Unreal Datasmith, which greatly facilitated our work progress by allowing us to import all models into Unreal Engine 4.

The most significant challenge we faced during resource integration was not knowing which map corresponded to which model. Therefore, the team leader requested that each team member partition their own models and maps. For example, if two items shared a map, the map and items had to be screenshotted together, with the size of the map marked. Later we found out that material effects were inconsistent - they were either too dark or too bright, perhaps due to lighting issues.

In Unreal Engine, the team leader made detailed partitions for each person's model maps and material ball files. Different folders were given different colors, making it more efficient to organize and replace files.

Rendering 1

Rendering 2

Rendering 3

Conclusion

The above is our experience sharing of the entire production process. In conclusion, I would like to say that the process is more important than the outcome. Due to our lack of experience, there were significant differences between our work and our desired results. However, we gained much from this process. We learned about teamwork, gained technical knowledge, and understood many life lessons. The scene project production process was a valuable lesson in our lives. Therefore, I just want to say that we are all the best!

Source: Thepoly

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How to Create the Entrance of 'For Honor'
How to Create the Entrance of 'For Honor'
The leading cloud rendering service provider and render farm in the CG industry, Fox Renderfarm, will show you in this post a scene inside "For Honor," the Entrance, created by a student who is learning 3D modeling. The creator completed this work over a period of four weeks by solving problems and challenges with the help of his/her teacher and his/her own efforts. This article is a summary of his/her experience in the creation of this scene.Final result:Analyzing Concept Art &x26; Building Rough ModelsThis is a case of the PBR workflow, specifically utilizing 3ds Max for low-poly modeling, ZBrush for high-poly sculpting, TopoGun for retopology, Substance Painter and Photoshop for texture, and ultimately rendering with Marmoset Toolbag 4.To ensure production progress, in the early stages, the scene was initially constructed in 3ds Max based on the concept art as a large-scale reference for proportions, and then the actual production process began.Rough modelMaking Mid-poly ModelsHouse Structure: serving as the foundation of the scene framework. The house was divided into several parts for construction, including the roof, walls, floor, door frames, steps, and two side stone platforms. Through analyzing the concept art, it was determined that the stone walls and roof tiles employ a repeating texture pattern, which was subsequently applied throughout the scene.The scene props included stone lion statues, lanterns, ropes of hanging tassels, and more. Among them, the stone statues, steps, and several wooden elements were sculpted using ZBrush.The process of creating the mid-poly model involved continuously refining and adding more intricate details based on the rough model. It was important to analyze which models require sculpting and retopology during the initial stages of production, and which models could be reduced in detail to serve as the low-poly model. Conducting this analysis early on significantly improved efficiency in the production process.Mid-poly modelMaking High-poly ModelsThe high-poly modeling stage was relatively intense, involving numerous wooden doors, plaques, walls, as well as stone steps and statues. However, the task became less laborious when it came to identical wooden boards in the scene, as they could be easily adjusted and reused.Statue sculpting:Since the only element in this scene that required complete sculpting was the stone lion, I decided to challenge and improve my sculpting skills by starting from a sphere. After several days of sculpting, I began to see some progress. Then, with guidance from my teacher, I delved deeper into proportions, structure, and finer details.Props sculpting:The wooden boards, during the sculpting process, were meticulously sculpted stroke by stroke to enhance the texture and bring out the grain. Additionally, props like stone steps were also carved.Afterward, the UV unwrapping and baking process followed.Making Low-poly ModelsIn the early stages, we conducted an analysis of the assets. Among them, only the stone lion required retopology, while the remaining props could be obtained through reducing the mesh of mid-poly models.Overall, retopologizing the low-poly model is a relatively simple but patient task. There are several points to consider during the process: 1. Controlling the polygon count of the model. 2. Planning the mesh topology in a logical manner and determining whether certain details need to be retopologized. 3. Evaluating the density of the mesh topology for proper distribution.During the low-poly retopology stage, we encountered few difficulties. We followed a standard of 1m³/512 pixels to create the textures and planned them accordingly based on the predetermined pixel density. Then, we proceeded with UV unwrapping and layout. Throughout this process, we encountered issues such as seams appearing and models turning black. Eventually, we identified the problems as certain areas of the model lacking smooth group separation in the UVs and flipped normals. When placing the UVs, it is important to fully utilize the UV space to avoid wasting resources. Additionally, we needed to redo some of the UV work later on. It should be noted that in 3ds Max, when using automatic smoothing groups, it may not be apparent if the normals are flipped. Therefore, it is advisable to double-check after completing each section.Next was the normal map baking. We matched the high-poly and low-poly models in 3ds Max and ensured that there was some distance between all the models to avoid overlapping during the baking process. If any issues arose with the baked normals, we would repair them in Photoshop. Fortunately, there were no major problems throughout the entire baking process, so minor adjustments in Photoshop were sufficient.Low-poly modelMaking MaterialsI initially conducted material rendering for the sculpture and showed it to my teacher. However, the teacher pointed out some shortcomings. With guidance from the teacher, I gained a new understanding of material rendering. The key is to focus on volume first and then details. Volume here does not solely refer to the presence of volume under lighting conditions, but also the perception of volume even in the absence of lighting, relying only on colors. The addition of darker shades and textures further enhances the sense of volume in the model. Finally, sharpening was performed to make the details more prominent. By following this approach, the materials created would appear three-dimensional under lighting effects.RenderingAfter completing meticulous file organization, I standardized the naming of models, material spheres, and textures. This significantly reduced the workload when using Marmoset Toolbag 4. Once all the preparations were done, I began placing the models, setting up the lighting, adding special effects, and finally positioning the camera for rendering. During this process, a considerable amount of time was spent on lighting. The coordination between model materials and lighting never seemed to achieve the desired effect. However, with guidance from my teacher, I was able to improve the overall result.The above is our experience sharing the production process of the Entrance for the game "For Honor".Source: Thepoly
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2023-09-28
Learn How to Make a Handheld Fan in 3D
Learn How to Make a Handheld Fan in 3D
Today, Fox Renderfarm, the industry's leading cloud rendering service provider and render farm, will bring you a 3D tutorial that explains how to make a handheld fan. Let's get started right now.First import the image, use the straight line tool to draw the length of the handle, then use the rotational molding tool to create the handle and add a cover.Generate a rectangle using the center point, adjust it to the appropriate size, and then generate a circular runway. 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2023-07-20
How to Use VFace and Make Effects in Arnold?
How to Use VFace and Make Effects in Arnold?
In this article, Fox Renderfarm, the CG industry's leading cloud rendering service provider and render farm, will share with you how to use VFace and how to restore effects in the Arnold renderer. The author is CaoJiajun.Firstly I purchased some VFace materials from the official website to get the following files.We will mainly use the above files for this sharing, they are our main materials to make high quality details of the face. VFace provides 2 types of facial models, one for the head with open eyes and one for the head with closed eyes, choose one of them according to your needs. If you are doing a model that needs to be animated with expressions in post, I would recommend choosing the model with closed eyes, as the open eyes model will cause the eyelids to stretch when you do the blink animation. You don't need to worry about this for still-frame work.Let's start with the production process. 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At this point we need to set the custom channels DIFF\DISP\UNITY\ to import the VFace map.Firstly, the DIFF channel is set at the original size of 16k and the Depth is set at 16bit (later on there can be more color depth control and of course it can be set to 8bit). The key point is that when the color depth is set to 16bit or 32bit, the color space needs to be set to linear and 8bit to srgb.Keep the size of displacement map at 16k. I recommend setting the Depth to 32bit, as you will get more detail of displacement, and keep the color space linear, with Scalar Data ticked (as the displacement map is a color map with 3 channels of RGB, you need to keep the greyscale data).The blend map settings are the same as the color map, but Scalar Data also needs to be ticked (this map is used as a color mask for toning or as a weighting mask).Next we can use the object panel to append our own model in preparation for the transfer of the map.Right-click on any channel and select the Transfer command in the pop-up menu to bring up the menu for transferring the map.In the transfer menu select the channel which needs to be transferred in the first step, set the transfer object in the second step, click on the arrow in the third step, set the size in the fourth step and finally click on the ok button.I generally recommend passing one channel at a time as it is very slow and takes a long time to wait. 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Finally click the export button and it's done.VFace original color effectColor effects after exportingVFace original displacementEffect after exportIn short, your output map needs to be the same color as the map provided by VFace, either too bright or too dark is an error.3 Arnold RenderingDefault settingsAt this point we can go to Maya and render the VFace map we have created (we won't go into the lighting environment and materials here, we will focus on the link to the replacement map). First we import the passed VFace map and render it by default to see what we get. Obviously we get an ugly result, so how to set it to get it right?Here we add an aisubtract node (which you can interpret as a subtraction or exclusion node), because the default median value of VFace is 0.5 and arnold prefers a replacement map with a median value of 0. So we enter the VFace color into input1 and change the color of input2 to a luminance value of 0.5. This is equivalent to subtracting the 0.5 luminance info from the default 0.5 median luminance of VFace, and we get a displacement with a median value of 0.Median value 0.5Median value 0After setting the median we can add an aimultply node. This node can be interpreted as a multiplyDivide node, which has the same function as Maya's own multiplyDivide node and controls the overall strength of the VFace displacement. We can output the color of the aisubract node to the input1 node of aimultply and adjust the overall strength of the detail displacement of VFace by using the black, grey and white of input2 (any value multiplied by 1 equals 1, any value multiplied by 0 equals 0, all the colors we can see in the computer are actually numbers to the computer. We can change the value and thus the strength of the map by simple mathematical calculations, once we know this we can see why we use the multiplyDivide node to control the strength of the displacement).Next we add an ailayerRgba node. The R, G and B channels of the aimultipy are connected to the R channels of input1, 2 and 3 of ailayerRgba, and through the mix attribute of this node we can control the intensity of the displacement of each of the three VFace channels (R, G and B), and after a series of settings we can get a correct and controlled rendering of the VFace displacement.VFace-dispZBrush-dispVFace+ZBrush dispZBrush Export Displacement SettingsAlthough we have a correct and controlled VFace displacement result, it does not combine with the displacement we sculpted in Zbrush and we need to find a way to combine the two to get our final displacement effect.Here I used the aiAdd node to add the two displacement maps together to get our VFace displacement + ZBrush displacement effect (of course you can also use Maya's plusMinus node).It doesn't matter how many displacement map elements you have (such as the scar on the face, etc.), you can structure them through the aiAdd node to get a composite displacement effect. The advantage of making it this way is that you can adjust the strength and weakness of each displacement channel at any time, without having to import and export them in different software. It is a very standard linear process approach.Default effectAfter color correctionFinally we apply the passed color to the subsurface color, and by default we get a very dark color mapping, which is not wrong. The VFace default model will be the same color. We can correct the skin color by using the hue, saturation and lightness of the colourCorrect node. This is why I choose 16bit colors to bake with, so I can get more control over the colors and get a correct result after color correction (of course the current result is just a rough mapping, we can still do deeper work on the map to get a better result).As a powerful render farm offering arnold cloud rendering services, Fox Renderfarm hopes this article can give you some help.Source: Thepoly
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2023-07-19
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