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Eric Lengyel @ericlengyel.bsky.social · 1d

Some people are particular about how much their integrals lean forward. Radical Pie is going to let you choose whatever angle you want, and it will generate the corresponding Bézier curves. These examples range from −2.5° to 15° right of vertical through the center.

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Eric Lengyel @ericlengyel.bsky.social · 3d

Yeah, use it for anything you want.

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Eric Lengyel @ericlengyel.bsky.social · 4d

The current plan is to sell it for 60 bucks. It's a traditional software license. No subscription.

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Eric Lengyel @ericlengyel.bsky.social · 4d

I'm getting valuable feedback from the Radical Pie beta test. Some minor bugs have been discovered. No major issues. It's looking good!

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Eric Lengyel @ericlengyel.bsky.social · 6d

Here's a quick video showing an equation being entered into Radical Pie, an annotation being attached to that equation, and more annotations being attached to the first annotation.

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Eric Lengyel @ericlengyel.bsky.social · 6d

Radical Pie is a professional WYSIWYG equation editor for Windows 10/11. It's meant to be used for everything from slide presentations and YouTube videos to full-length textbooks.
radicalpie.com

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Eric Lengyel @ericlengyel.bsky.social · 6d

Radical Pie has entered beta testing! I expect the final release to be available by the end of October.

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Eric Lengyel @ericlengyel.bsky.social · 10d

I'm adding a last-minute new feature to Radical Pie: automatic conversion of Office Math equations.

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Eric Lengyel @ericlengyel.bsky.social · Sep 6

Those are the astronomical symbols for the dwarf planets Haumea, Makemake, Gonggong, Quaoar, and Orcus.

Eric Lengyel @ericlengyel.bsky.social · Sep 4

I started working on Radical Pie one year ago today. I estimate I've spent fully 10 of the past 12 months working on it, and I've written 82K lines of new code. I expect it to be feature complete and in beta testing this month. It's exciting to be this close to launch!
radicalpie.com

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Eric Lengyel @ericlengyel.bsky.social · Aug 28

Once some more miscellaneous tasks are completed, like editor customization features, Radical Pie will go into beta testing! Definitely in September.
radicalpie.com

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Eric Lengyel @ericlengyel.bsky.social · Aug 28

I'm finishing up a bunch of odds and ends in the Radical Pie equation editor. Yesterday, it was camera repositioning code used to reveal the caret when an edit is being made outside the viewport and to autoscroll while dragging the mouse for selections and drawing tools.

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Eric Lengyel @ericlengyel.bsky.social · Aug 12

There's an explanation at the bottom of the web page: sluglibrary.com

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Eric Lengyel @ericlengyel.bsky.social · Aug 11

All of the rendering in Radical Pie is done by Slug, so I capped the zoom magnification at one million percent.

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Eric Lengyel @ericlengyel.bsky.social · Aug 8

Of course, the upcoming FGED 3 has been using Radical Pie from the get-go, and it has saved me a lot of time.

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Eric Lengyel @ericlengyel.bsky.social · Aug 8

I have now redone all of them in Radical Pie (without the need for Illustrator), and I'll be releasing remastered books in the near future. The content is exactly the same -- the equations just look better.

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Eric Lengyel @ericlengyel.bsky.social · Aug 8

Combined, FGED 1 and 2 contain 5503 individual equation objects that I originally made in MathType years ago. Some of them had to go through Illustrator because they contained additional graphics and annotations (Figure 1.5 and Equation (1.78), for example).

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Eric Lengyel @ericlengyel.bsky.social · Aug 8

This means all of the major features are now complete, so we're getting close to release!
radicalpie.com

Radical Pie

radicalpie.com

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Eric Lengyel @ericlengyel.bsky.social · Aug 8

The drawing and annotation tools in Radical Pie are finished! Now, I can type an equation and add highlighting, arrows, labels, etc., as shown in the following examples. All drawing objects are attached to anchor points in the equation, so they move and resize dynamically.

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Eric Lengyel @ericlengyel.bsky.social · Jul 25

I was pleasantly surprised to see Happy Gilmore correctly account for the Coriolis force on the last hole!

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Reposted by Eric Lengyel

JCGT announcements @jcgt-announce.bsky.social · Jul 24

We're happy to announce we have a new Editor-in-Chief, Alexander Wilkie, and two new editors, Johannes Schudeiske and Andrea Weidlich. Marc Olano continues on as Managing Editor. And, thanks to David Eberly, who has retired as an editor.

The full roster is at jcgt.org

Journal of Computer Graphics Techniques

jcgt.org

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Eric Lengyel @ericlengyel.bsky.social · Jul 14

Because it avoids the problems that other people have mentioned. It's the sweet spot between strict and practical. There's also the notion that a point is a specialized type of vector, which naturally leads to the inheritance relationship.

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Eric Lengyel @ericlengyel.bsky.social · Jul 14

If you check out my math library on GitHub, I'm sure you'll be taken aback by how complicated it is, but almost all of that is there to facilitate zero-cost swizzling and submatrix extraction, not to support the vector/point distinction.

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Eric Lengyel @ericlengyel.bsky.social · Jul 14

The *only* thing that somebody might not like is that going from vector to point requires some kind of explicit notation such as casting or adding the origin. But in my experience, those are rare, it's no big deal when they arise, and they sometimes reveal a problem with your logic.

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Eric Lengyel @ericlengyel.bsky.social · Jul 14

Since point + vector is defined to be a point,

p = 0.5 * p1 + 0.5 * p2

works just fine (because 0.5 * p2 implicitly becomes a vector when matching function overloads).

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