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Forum: .NET Interface and Graphics 03-16-2015, 02:21 PM
Replies: 107
Views: 29,775
Posted By boops boops
No, it's the way multiple rotations combine...

No, it's the way multiple rotations combine that's the problem. It may turn out to be simple to fix, but I won't bank on it. The 3DScene code has its "world" coordinates locked to the "device"...
Forum: .NET Interface and Graphics 03-09-2015, 06:18 PM
Replies: 107
Views: 29,775
Posted By boops boops
Hi dnw, Let me be the first to congratulate...

Hi dnw,

Let me be the first to congratulate you on completing the Platonic 5! Your Icosahedron is perfect: Plato would be proud of you:D.

The Octahedron looks great but the code needs some...
Forum: .NET Interface and Graphics 02-26-2015, 01:05 PM
Replies: 107
Views: 29,775
Posted By boops boops
On the contrary, an octahedron should be...

On the contrary, an octahedron should be relatively easy, and I said how I would go about doing an icosahedron. It would just be a chore. After all, Platonic solids aren't much use once you've done...
Forum: .NET Interface and Graphics 02-25-2015, 01:19 PM
Replies: 107
Views: 29,775
Posted By boops boops
We define a polyhedron in the first place as a...

We define a polyhedron in the first place as a set of flat polygonal faces complete with specific edges and vertices. The reason for doing it this way is that it's hard to work out the edges and...
Forum: .NET Interface and Graphics 02-24-2015, 10:32 AM
Replies: 107
Views: 29,775
Posted By boops boops
That is a mistake. The purpose of the base class...

That is a mistake. The purpose of the base class is to provide a template for different types of 3D polyhedron. It's not a place to put magic numbers for a single use. Instead, use the Center...
Forum: .NET Interface and Graphics 02-13-2015, 06:45 PM
Replies: 107
Views: 29,775
Posted By boops boops
The dodecahedron was surprisingly hard to work...

The dodecahedron was surprisingly hard to work out. Coding the Wiki formulas wasn't the problem but sorting the 20 vertices into 12 sets of 5 (each in the right order) to define the faces. An...
Forum: .NET Interface and Graphics 02-09-2015, 07:13 PM
Replies: 107
Views: 29,775
Posted By boops boops
For what it's worth, here's a little demo of a...

For what it's worth, here's a little demo of a multi-object scene based on the beginnings I made with the PerspectiveWarp program. It's easy enough to place objects where you like in the scene: just...
Forum: .NET Interface and Graphics 01-14-2015, 04:49 PM
Replies: 107
Views: 29,775
Posted By boops boops
Nice work Passel! I particularly like...

Nice work Passel! I particularly like user-propelled motion with braking effect. The original text cube was meant primarily as a demo of the possibilities of GraphicsPath.Warp. The rotating animation...
Forum: .NET Interface and Graphics 12-17-2014, 10:44 AM
Replies: 107
Views: 29,775
Posted By boops boops
I think the terms Camera and EyeDistance are...

I think the terms Camera and EyeDistance are defensible. The latter is now a property of Scene with a default Z of 2000.

That's up to you. Now you can specify whatever face-fill colors and text...
Forum: .NET Interface and Graphics 12-16-2014, 06:20 AM
Replies: 107
Views: 29,775
Posted By boops boops
Thanks for looking at the code Passel. The...

Thanks for looking at the code Passel.

The appropriate wheel delta divisor depends on the mouse hardware. Dividing by 10 is fine for me, but I should remind people to adjust it for their own...
Forum: .NET Interface and Graphics 12-15-2014, 08:24 AM
Replies: 107
Views: 29,775
Posted By boops boops
I hate to mention this, but a square-based...

I hate to mention this, but a square-based pyramid isn't a tetrahedron:whoops:. That has only four faces (all equilateral triangles) and four vertices. If it's a tetrahedron you actually want, you...
Forum: .NET Interface and Graphics 12-07-2014, 02:02 PM
Replies: 107
Views: 29,775
Posted By boops boops
Actually there is at least one error in there:...

Actually there is at least one error in there: FaceOut should have been called FaceIn:mad:.

My animated cube was meant in the first place as a demo of GraphicsPath.WarpMode.Perspective. I tried...
Forum: .NET Interface and Graphics 12-01-2014, 07:54 AM
Replies: 107
Views: 29,775
Posted By boops boops
System.Drawing.Drawing2D does in fact contain a...

System.Drawing.Drawing2D does in fact contain a little nugget of 3D cleverness: the Perspective mode in the GraphicsPath.Warp method. Unfortunately it only works for GraphicsPaths, not for bitmaps....
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