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Corners in quad() function (Read 725 times)
benoitespinola
Corners in quad() function
Jun 17th, 2007, 11:33am  
It takes a little time to understand that the first corner (x1, y1) is the upper left corner; the second corner (x2, y2) is the upper right corner, the third one (x3, y3) is the lower right corner and that the fourth one (x4, y4) is the lower left.

It’s not a big deal, but it would be better to put something that is more eloquent or a schema…

Ok folks, see you all…
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&& if I run processing?
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Re: Corners in quad() function
Reply #1 - Jul 2nd, 2007, 10:12pm  
It doesn't work like that.

For example, shift the values from the reference example:

quad(38, 31, 86, 20, 69, 63, 30, 76);

to

quad(86, 20, 30, 76, 69, 63, 38, 31);

Now the first two parameters set the upper-right corner.


I've added this sentence to the reference to clarify:
The first pair of parameters (x1,y1) sets the first vertex and the subsequent pairs should proceed clockwise or counter-clockwise around the defined shape.
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