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Animating the Blender initial cube #59
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As we can see in the video, animating the cube changing the location is pretty easy, We just need to define the keyframes (value for a key in a frame) in the different time position (the frame) in the timeline. Blender will automatically interpolate the values of the different keys (properties) for the rest of the timeline. Screencast.from.10-10-22.23.17.37.webmFor the location animation we can use also the follow path animation. You select the object you want to move first, and second the curve you want it to follow. And with Ctrl-P (Follow path) to define the location animation. Real sample to come. |
Ok, the difficult task is ... howto move just a part of the cube? One of its faces? Is it possible with keyframes or do we need a shader? I thinkt it is the shape keys (key mesh?) animation what I was looking for. Interesting post about this topic And this is exactly the video I want to create. Deforming the cube using shape keys: https://www.youtube.com/watch?v=YKZKhS7pOww The steps are easy:
The geometry is shared between all shape keys. So if you modify the geometry in the reshaping, it will be modified also in the basis shape key. Screencast.from.11-10-22.06.29.13.webm |
This video is pretty useful as a quick demo on using follow path constraints: https://www.youtube.com/watch?v=90iWyuXQgS4 Here goes the result of applying this tutorial: Screencast.from.12-10-22.00.04.38.webmThe key things:
This kind of animation using constraints is useful in different use cases like camera scrolling. But we won't go any further now. A simplified version pretty easy to follow: Screencast.from.12-10-22.00.17.11.webm |
And it is time to use bones to animate the cube. It is not the best option for a cube, but it is a nice exercise to understand howto add bones to a mes, merge them and use the bones to animate the cube deforming it. It is the same concept we will use for animating characters. |
Really cool video showing howto use bones to animate for a simple model created from scratch: https://www.youtube.com/watch?v=IAiTYaiZmY0 Adding some bones to the cube so we can deform it using them it is pretty direct. In Object mode:
Change to Pose mode:
If you add more than one bond to the armature (Edit mode, key E) you can transform the cube in different ways moving the bones. Ok, as the last thing to cover, howto animate using the bones? In pose mode, you can create keyframes for the bones, so you can track the changes in the bones, which are the changes in the mesh. For doing it, just press the i key (insert keyframe) and select the Location, Rotation and Scale, which will track these properties for all the bones selected. Then when you animate the scene, the mesh will be animated from the bones animation. Cool! This is the basic for animation using armatures (bones), a kind of rig pretty used with characters. |
Ok, enough for this one! |
The blender initial cube could be animated with:
The initial approach could be just to use the Animation Player and modify the cube properties (location, scale, rotation ..). Deforming could be more complex because it involves moving the vertexes. Let's see.
Blender doc about possible animations: https://docs.blender.org/manual/en/latest/animation/index.html
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