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119 votes
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How do modern game engines achieve real-time rendering vs Blender's "slow" rendering?

Real-time rendering, even modern real-time rendering, is a grab-bag of tricks, shortcuts, hacks and approximations. Take shadows for example. We still don't have a completely accurate & robust ...
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113 votes

How do modern game engines achieve real-time rendering vs Blender's "slow" rendering?

The current answer has done a very good job of explaining the general issues involved, but I feel it misses an important technical detail: Blender's "Cycles" render engine is a different type of ...
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  • 1,637
29 votes
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How can I create a stretchy, breakable pizza cheese material?

The Simple Way Add a quad which connects adjacent slices to each other. Texture this with a nice, melted cheese texture, complete with holes. As the slice is moved away the quad will naturally be ...
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26 votes
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Faking a 3D object to decrease number of polygons

If I understand correctly what you want to achieve, you are looking for the concept of "imposters". These are precisely 2D representations of 3D objects, used to decrease the geometric complexity of ...
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  • 4,885
7 votes
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How can I calculate the bounding box of a 3D model?

When you're reading the model into your game, you'll be iterating through each vertex of the model. Simply keep track of the max/min for each X, Y and Z axes. Using these values you can find the ...
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  • 72.7k
5 votes

How to merge two objects in Blender

If the result in the image satisfies you, here's how I achieved it. Subsurfed the initial cube once Created a second cube and scaled it Added a boolean modifier to ...
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  • 151
5 votes
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Why does the code in Unity affect objects differently?

As usual, the answer to "Why is Unity doing this bizarre thing" is "Unity is doing an entirely normal thing with bizarre data you gave it" In this case, the origin of your flasks in Blender sits far ...
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  • 114k
5 votes
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Animate a 3D boss with some parts that become independant

Remember, just because two things look the same or logically are the same in your game's fiction, does not mean they need to be the same entity in your game's implementation. Here you can have one ...
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  • 114k
4 votes
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How do I properly apply root motion when using a blender exported FBX in Unity?

OK, after much button mashing, I figured it out: If you click on your main FBX object, in the inspector you will find 3 buttons at the top. The ones we care about are Rig and Animations. If you go to ...
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4 votes
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Is it enough to read manuals?

Nothing beats practice. Reading the manuals will give you a good start at knowing what features exist and how to use each one individually. But generally, what you want to do is not available in text ...
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4 votes
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Unity - Small holes of light seems to go through my blender mesh

I believe that might be related to "shadow acne." Try lowering the bias of your directional lights. http://answers.unity3d.com/questions/925812/unity-5-real-time-lights-cast-shadows-with-gaps-li.html
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  • 401
4 votes

Unity: Import a mesh that only has vertex and edge data but no faces

First of all can I say I've never encountered by total chance someone encountering such an incredibly specific issue that I also encountered, so good job on that, universe. So as you've already ...
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  • 268
3 votes

Multi texture obj files?

An .obj model file may come with a companion file with the extension .mtl. Such a file is a material library that contains ...
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  • 4,074
3 votes
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Parsing Blender exported collada file in c++

So the tags [float_array id="Suzanne-mesh-positions-array" count="1521"] and [/float_array] contain the huge list of vertex positions right? Yes. And the tags [p] and [/p] inside [polylist ...
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  • 404
3 votes

Importing materials from blender to UE4

If you want to create a transparent material you have to make your material "translucent". Glass also has the property that its surface is very shiny, so you also have to change the "Translucency ...
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  • 297
3 votes

Stitching terrain tiles made in Blender at runtime

You might consider something like Wang Tiles. The idea is that you have a predetermined set of edges for your tiles. You can randomly generate tiles, still, so long as the edges match. For example, ...
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  • 2,592
3 votes

How can I export a model from Unity to three.js?

I wrote an Unity3D to Three.js exporter that does exactly what you ask for.
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  • 1,595
3 votes
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Import Material from blender into unity Export FBX

You will get materials attached when you import FBX from Blender into Unity but it will assign unity's standard material/shader. What you won't have is the texture assigned into the diffuse/albedo ...
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3 votes
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Restrict render in Blender is not working

The render visibility option only affects what is visible when blender renders a final image, it isn't used when exporting objects. If you give unity your blend file, it can do the export/import for ...
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  • 356
3 votes
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Emission on part of the mesh

When you set the UVs for your model, make sure the faces which are supposed to have a different material get assigned to different images. When you then import the model into Unity, you will have a ...
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  • 112k
3 votes
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Stretched textures in Blender

The issue is bad UV unwrapping from the ngons in your mesh. What you have are vertices in the middle of the corner edge that have unwrapped to be close to the outer corner vertex in the uvmap. This ...
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  • 356
3 votes
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How to make a merge animation in Unity?

This is done by covering/swapping the tiles with another set of tiles that will be animated, replacing them on screen, then playing animated tiles in sequence. You will need to prepare animated tiles....
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3 votes

How can I create and load models with additional information?

This is not going to be as easy as you think it would be, because only the Unity Editor can load Blender files. When you import a Blender file, it is converted to Unity's internal format. This is the ...
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  • 112k
3 votes
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How do I shade / model low poly smooth surfaces that come to sharp edges?

You need to set the mesh to smooth, then "cut" the edges that have to be sharp by duplicating them. You need to select the edges you want to make sharper, then hit Ctrl + E and choose the "edge split"...
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  • 14.5k
3 votes

can't make my unity character move

Animator.deltaPosition Gets the avatar delta position for the last evaluated frame. Animator.applyRootMotion must be enabled for deltaPosition to be calculated. https://docs.unity3d.com/...
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3 votes
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can't make my unity character move

I have the same problem, I started solving it by removing the last part: m_Animator.deltaPosition.magnitude to some other float that i want and called it speed ...
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3 votes
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Mesh made in Blender is correct in Unity3D as a rendered mesh, but "empty" as a collider?

this is just a guess that I am pulling out. but I see a missing line on the side of your stairs. No line showing up in unity seems like a hint. you can see triangles 012, 234, and 145 because of the ...
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3 votes
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Blender rigid body physics animation into Unity?

From this, I can see two solutions. Either you could recreate the effect in Unity, thus negating the problem entirely and leading to potentially cooler results, or you could just fix and export the ...
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3 votes

Exported FBX to Monogame doesn't translate all meshes

I’m not an expert. I only just recently got into modding using Blender. I had a similar issue with a custom model I imported into MonoGame using FXB format. What fixed it for me was downgrading to ...
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