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Using ZBrush to Facilitate Smarter Production
- 1. Click to edit Master title style 1 Using ZBrush to Facilitate Smarter Production Z B r u s h S u m m i t 2 0 1 8
- 2. Click to edit Master title style 2 Who Am I • Michael Pavlovich, Principal Artist • “Sandbox”specialist (Characters, Weapons, Vehicles) • If it moves, we can make it 2
- 3. 3 2007 2008 2010 2012 2018201620142011 2013 2017
- 4. Click to edit Master title style 4 #1 You do NOT talk about projects #2 You do NOT TALK ABOUT PROJECTS #3 If someone yells “Stop!,” goes limp, taps out, the project status meeting is over #4 Two scoops coffee grounds to a pot #5 One breakfast taco at a time #6 Graphic T shirt, flip flop shoes #7 Bathroom breaks will go on as long as they need to #8 If this is your first night at Game Dev Club, you have to UV 4
- 5. Click to edit Master title style 5 Rapid Iteration: Characters • GDC 2015: Blurring Concept and & Production Art • Failure is ok, but fail fast, and use that point of reference to always move toward success (vertical iteration, NOT horizontal blue sky) • Always evaluate in context (in engine),don’t spend valuable time on assets or details that have no value 5
- 7. 10 min Couple of Hours
- 8. Let ZRemesher do the heavy lifting! (Part1)
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- 11. Click to edit Master title style 11 Rapid Iteration: Weapons • In context is even more important— 1st and 3rd person asset evaluation from in-engine camera. 1st person assets need the MOST attention! • Animation and object placement can play a major role in design, especially in 1st person views. Use layers while blocking out for previs animation, and use them often! 11
- 14. Click to edit Master title style 14 Grandma TestWeapon Refine 14
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- 17. Click to edit Master title style 17 • Layer animation (we’ll talk about this later with blendshapes) • Zsphere rigging and saving Zsphere poses ZBRUSH:
- 19. • Run DS All / BG All / convert boolean meshes • Merge visible, color swatch fill • Subtool > Split into animatable groups • Name _high, use a 1st subtool null name object • Zplugin > FBX Export > Visible
- 20. • Subtool > All High • Zplugin > Subtool Master > Do Visible > resolve duplicate names • Zrepeat it > Dynamesh 1500 (or whatever level holds the forms) if you want an “envelope” with no interior faces • Alternative: gizmo deformer Remesh by Union • Take desired end count, divide by your poly total, and pre-process > decimate all at that percentage (double point count to get polycount) • Example: • Desired Polycount: 15k tris = Point Count: 30k • Current Total Points: 3.8mill • 30,000/3,800,000 = .007894 = 0.79% decimation of all subtools • Export out subtools _low.fbx
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- 29. “Rapid” Iteration: Drone (…Mech) • Again, always shoot for vertical iteration, NOT fruitless horizontal searching • “Quickly” creating unsuitable content = Getting nowhere fast • You don’t always have to start at the ground floor—use fundamental messaging and gameplay implications to start decision making “halfway done”.
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- 35. Click to edit Master title style 35 Walkin’ Parts
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- 48. Click to edit Master title style 48 ZBrushGuides.com
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- 57. Click to edit Master title style 57 Refining: Characters
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- 59. • Symmetrical blendshapes with x-symmetry • Half and Full blendshapes quickly using morph targets • Swap L & R side blendshapes • Store morph target of R blendshape layer • Make new layer, go to Morph Target > Switch • Mask the R side, go to Deformation > Smart Resym to transfer that deformation to the L side • Morph brush the R side back to default vert position • Add or change polygroups at any time for easy masking • Layer visibility auto-off on New Layer creation (with the plugin) • Quickly and easily test and modify blendshapes as you go • Use proxy reference meshes as needed • Export to Maya as blendshapes with one button press
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- 61. Click to edit Master title style 61 Integrating Complex Files: Subtool Master Multi Append 61
- 62. Click to edit Master title style 62 Separate Working Files & Local and World Symmetry 62 World Symmetry Local Symmetry
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- 68. Click to edit Master title style 68 Refining: Drone Mech 68
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- 72. Click to edit Master title style 72 Working Light • Dynamic Subdivisions for the illusion of fidelity • QGrid, Dynamic Subd, Crease Level • Live Booleans for Complex shapes and easy game res proxys • Use Array Mesh and Nanomesh where you can—less destructive, editable, and super lightweight • Source control will love you 72
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- 74. Click to edit Master title style 74 Great for visibility, AND cheaper!
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- 76. Let Zremesher do the heavy lifting! (Part 2) 76
- 77. Click to edit Master title style 77 World Symmetry Local Symmetry
- 78. Click to edit Master title style 78 REUSE REDUCE RECYLE
- 82. Click to edit Master title style 82 ZSpheres!! • Base mesh creation • Scale ref poseable mannequin • Structural components • Roll cages • Support bars • Transpose master skeleton posing • ZSketch armature • Curve control • …and much, much more! 82
- 83. 83 Render ZSpheres in Keyshot?? Yes!
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- 85. Click to edit Master title style 85 Controlling Curves
- 86. ZSphere, Bridge, IMM, etc… Create Your Initial Path
- 88. Curves Helper ZPlugin Skip all that
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- 94. 94 Single Twist You don’t have to use a cylinder!
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- 97. 97 Using Scuptris Pro, snakehook, and smooth brush for all your pipe creation needs Using ZSpheres to create a complex path to control your IMM curve Using the bend deformer to create a complex path to control your IMM curve Using the bend deformer to create a complex path to control your IMM curve then using that IMM curve to create more paths for multiple piggy-back curves, then using Zspheres to modify that group Tugging and pulling at the IMM curve until it’s good enough
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- 99. Click to edit Master title style 99 “ CALISTHENICS VIDEO 99
- 100. Click to edit Master title style 100 6 Easy Steps to Make a Cinematic Video
- 101. Click to edit Master title style 101 1. Work in the same building as amazing talent
- 102. 2. Guilt that amazing talent into helping on their free time
- 103. Click to edit Master title style 103 3. Go on vacation to the Balkans
- 104. Click to edit Master title style 104 4. Come back to an animated, textured, lit, completed video!
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- 106. 6. Take all the credit
- 111. Click to edit Master title style 111 Thank You
- 112. Let ZRemesher do the heavy lifting! (Part1)
- 114. • Run DS All / BG All / convert boolean meshes • Merge visible, color swatch fill • Subtool > Split into animatable groups • Name _high, use a 1st subtool null name object • Zplugin > FBX Export > Visible
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- 116. • Symmetrical blendshapes with x-symmetry • Half and Full blendshapes quickly using morph targets • Swap L & R side blendshapes • Store morph target of R blendshape layer • Make new layer, go to Morph Target > Switch • Mask the R side, go to Deformation > Smart Resym to transfer that deformation to the L side • Morph brush the R side back to default vert position • Add or change polygroups at any time for easy masking • Layer visibility auto-off on New Layer creation (with the plugin) • Quickly and easily test and modify blendshapes as you go • Use proxy reference meshes as needed • Export to Maya as blendshapes with one button press
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- 118. Let Zremesher do the heavy lifting! (Part 2) 118
- 119. 119 Render ZSpheres in Keyshot?? Yes!
- 120. Click to edit Master title style 120 120
- 121. ZSphere, Bridge, IMM, etc… Create Your Initial Path
- 123. Curves Helper ZPlugin Skip all that
- 126. 126 Single Twist You don’t have to use a cylinder!
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Editor's Notes
- --I’m what we call a “sandbox” artist, so it’ll be more focused on characters, vehicles, and weapons, but we’ll touch on environment techniques as well later on
- What is this Project --first rule of game development is, you do not talk about projects --the second rule of game development is, YOU DO NOT TALK ABOUT PROJECTS --convinced CA to let us use a handful of assets for something I’m not talking about to give you a microcosm of some specifics on how zbrush centric pipeline COULD be utilized --like I mentioned before, I’m a character artist (give or take) so lets start there