Criset Glass in V-Ray and Corona
In this article, let's look at a quick way to create patterned glass. We won't talk about modeling, since modeling takes a little more time and adds polygons to your scene.
But at the end of the article, I'll look at how you can make a NormalMap based on geometry.
For starters, we'll make do with the glass material with the addition of the right maps and settings.
Keep in mind that the glass you're going to put material on has to have a thickness.
The "Krizet" glass has a blurry transparency, so we will create a material with a slightly lowered Refract Glossiness to 0.9. This parameter can be changed, depending on what result we need.
Now for the characteristic pattern we need a Normal map.
Now for the characteristic pattern we need a Normal map.
In "Bump" we put the VRayNormalMap (in CoronaNormal), and in the normal map slot we put our map.
Now we have to adjust the map, here are the values you can change. Watch the result and adjust the numbers. In this case the value in the normal map is 4.
You can also zoom in on the map to get more cells on the surface and reduce the extrusion force in V-ray to 22. In Corona Bump you can put 3.
At the moment the edges of the squares are quite hard, we need to correct this. Let's increase the Blur value to 10. In Corona Blur - 5.
Apply the resulting material to the object and make a render.
It turns out such an interesting effect.
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NormalMap
If you decide to create your own normal map, you can render it in Corona. First, you need to create a simple geometry.
After that, we will set up the texture rendering. Remember that the render engine should be Corona. And CGeometry_NormalsShading must be enabled in the render elements.
Add Corona_NormalMap (in V-ray it is VRayNormalsMap) and select the Target Map Slot - Bump. Set the map resolution and format, you can set the name.
The camera is not put and run the renderer from the framebuffer, while being in the "top" view
After rendering the map can be edited in Photoshop.
May your renders be beautiful!
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