> I'm having trouble getting the proportions right to get them in the unit circle. > That's been more of an issue for me than minimum moves.
This really only applies to the Circle Pack 3 and 4 challenges. One of the last things I worked out. The 2 is easy enough, since they meet at the center, and the 7 is 1/3 diameter, which can be worked out with a few moves.
Give it a week, or...
Do we have spoiler tags? No...
Projection.
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Draw the big version first. Later you'll want to go back and only draw part of it.
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You need the large circle center, a small circle center, and a single point on the circumference of both.
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Draw a line from the center of the large circle through the center of the origin circle.
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Draw a line from the circumference point to an equivalent point on the origin circle. This line must be distinct from the center line.
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Extend the two lines to an intersection point.
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Draw a third line from the intersection point, back through the center of the smaller "packed" circle.
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A point on that line, where it crosses a line drawn between the origin-based points used for the first two lines, is the center for the first origin-packed circle.
Transferring that around to the other circles should be easy enough.
Edited by TriggerFin (08/01/13 05:25 PM)
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