Viewing entries tagged
speed

OSL Window shader

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OSL Window shader

I’m exploring the possibilities of OSL shaders with Arnold Renderer.

These are shaders often written as small helpers across different platforms. It works with Vray, Arnold Renderer, Render Man, Octane and Blender.

In this case you can create a WindowBox, Interior Mapping or Parallax Mapping really fast. You just follow the instructions to create a room with 5 sides a middle ground and front (curtain), and the OSL file it self is added to your c4dtoa shader folder.

Download it for free here

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Speed uv-mapping in Cinema 4D

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Speed uv-mapping in Cinema 4D

 

In this tutorial I show my main workflow for UV-mapping or UV-unwrapping. This is for you who need to fix a ready made model with out or bad UVs.

To show the versatility of the technique I unwrap two different models, one box shaped model and one curve shaped model.

But the real speed trick is to set up your startup layout ready for unwrapping.

Since these are two models form the internet I don't really know how they are made. I have to fix bad normals, remove triangles, get weird flipped polygons, do some simple model fixing with pentool, untriangulate the mesh and then do the UV-mapping. I also get messages that says the model has bad polygons and more.

For the UV-mapping I often us the box algorithm. If that doesn't work I use frontal projection. For curved models it's best to cut the models in different parts by selecting the edge. I then use frontal and then I unwrap/relax the UV.

 

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Lottie - The new way of doing web and app animation

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Lottie - The new way of doing web and app animation

 

Sometimes you get to try a technique that changes the way you ser new possibilities.

This time it's Lottie. A converter tool created by Airbnb. Yes, that Airbnb.

You can create your animations in After Effects, and by keeping it to simple shapes, masks and keyframes for the animation (no effects supported).

It uses the Json creator tool called Bodymovin that are pluged into After Effects, and Lottie is on the other end handling the app part.

I used it on the Vibble app opening animation. A simple logo reveal for the easy DJing app.

The system have some huge limitations that I've came across . Like inverted mask. That's a no go.
In the logo reveal case I needed subtracting forms, but that didn't work, and I ended making tinytiny bridges that connects the different part, and create one single form. This isn't noticeable for the viewer, but adds an extra step to the process. If possible use layered shapes that are overlapping with it's own fill.

So it's early days, but it's new possibilities on the horizon. And the file sizes are tiiiiny. Like 9 kb for this animation. 

You can get the Vibble app in the iOS app store.

 

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