![]() In ink-on-paper animation, that is impossible, so it is impossible in Pencil as well. For instance, there is no way to make duplicates of a frame, as you might be tempted to do when you’re making only small modifications. Indeed, Pencil draws on the traditional cartoon animation workflow in many ways that might perplex outsiders. That explanation is sound, but the difference in behavior isn’t immediately obvious and could confuse new users - particularly those without experience in animation. The reasoning in the documentation is that the pencil can be used to define invisible regions to be filled with the bucket, but that otherwise the pencil’s un-smooth lines are out of place in a vector image. The tools behave in different ways depending on whether you use them in a raster or vector layer in vector layers the pencil tool can only be used to draw temporary lines that will not be rendered in the final animation. The drawing tools are limited to the basics - pencil, pen, paintbrush, polyline, eraser, fill bucket - but they are pressure-sensitive if you use a drawing tablet. During playback you can loop the animation, and adjust the frame rate as desired. ![]() You can test your animation by stepping through the frames, or by running through entire the sequence with built-in playback controls. The interface helps you maintain consistency between frames by “onion skinning” - rendering adjacent frames semi-transparently, as if drawing on tracing paper. In keeping with Pencil’s goal of recreating traditional hand-drawn animation, you draw on each individual frame as if it were a single animation cell. In vector animation, you create motion by moving objects between keyframes, and the application calculates and draws all of the intermediate frames. Note that a vector layer in this context means that the layer is drawn with vector curves - it does not incorporate vector animation as in Adobe Flash or the free Synfig animation studio. You can incorporate multiple layers, each of which can be of either bitmap or vector format. ![]() A timeline at the bottom of the screen lets you step through individual frames. The differences between the two versions are minor, but include a change to the file format, so if you run Pencil on multiple platforms, you may want to stick with 0.4.3b until the Linux build is updated.Ĭreating an animation in Pencil is easy. The latest release is 0.4.4b for Macs and Windows boxes, and 0.4.3b for Linux. You can download source code packages as well as pre-built binaries for Ubuntu, Arch Linux, Windows, and Mac OS X. Pencil mimics hand-drawn animation techniques, but it’s easy to use and produces high-quality output. Attention computer animators - if you’ve ever felt limited by working in three dimensions with tools like Blender, check out Pencil, an open source, cross-platform animation app that lets you create in glorious 2-D.
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