How do i pack multiple rectangles in a 2d box tetris style

How do i pack multiple rectangles in a 2d box tetris style

By : Tammy Tate Ritter
Date : November 20 2020, 07:00 PM
it fixes the issue Sounds like a variation of Bin Packing:
code :

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How can I better pack rectangles tangent to a sphere for a 3d gallery?

How can I better pack rectangles tangent to a sphere for a 3d gallery?

By : CFNewbie
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , In the case of squares, it seems to be an approximate formula for knowing the relationship between the radius, the square's side and the number of squares embedded.
Following this, the number of squares is:
code :
Floor[4 Pi/Integrate[(x^2 + y^2 + r^2)^(-3/2), {x, -a/2, a/2}, {y, -a/2, a/2}]]
Floor[(Pi r)/ArcCot[(2 Sqrt[2] r Sqrt[a^2+2 r^2])/a^2]]  
   r = Radius
   a = Square side
 Floor[4 Pi/Integrate[(x^2 + y^2 + r^2)^(-3/2), {x, -a/2, a/2}, {y, -b/2, b/2}]]
Floor[(2 Pi r)/(Pi-2 ArcTan[(2 r Sqrt[a^2+b^2+4 r^2])/(a b)])]
   r   = Radius
   a,b = Rectangle sides
A CSS Tetris style puzzle

A CSS Tetris style puzzle

By : Deepak Viswanadh
Date : October 29 2020, 04:45 AM
wish help you to fix your issue CLICK FOR PLAYGROUND , Would you be able to support flex-box?
Here's a little demo.
code :
var test = [],
    num = 1,
   		randomNo = Math.floor(Math.random() * 8) + 2;
for (i = 1; i <= randomNo; i++) {
    test[i] = $('.Wrap').append('<div class="A'+(i)+'">A'+(i)+'</div>');
$('.Wrap > div').each(function() {
.Wrap {
  display: flex;
  width: 500px;
  height: 400px;
  background: #E0E0E0;
  flex-direction: column;
  flex-flow: column wrap;

.Wrap > div {
  font-family: sans-serif;
  font-size: 20px;
  width: 200px;
  box-sizing: border-box;
  background: orange;
  padding: 10px;
  box-sizing: border-box;
  margin: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
.Wrap div:nth-child(5n+1) {background: blue;}
.Wrap div:nth-child(5n+2) {background: red;}
.Wrap div:nth-child(5n+3) {background: green;}
.Wrap div:nth-child(5n+4) {background: purple;}
.Wrap div:nth-child(5n+5) {background: black;}
<div class="Wrap"></div>
What's the algorithm to pack squares and rectangles?

What's the algorithm to pack squares and rectangles?

By : lingo124
Date : March 29 2020, 07:55 AM
hop of those help? I believe this is a subset of Packing Problems.
One algorithm to solve this is to use Linear Programming.
How to retain rectangles at the bottom in Tetris Game?

How to retain rectangles at the bottom in Tetris Game?

By : Abdul Haseeb
Date : March 29 2020, 07:55 AM
it should still fix some issue I would create a List of "shapes" that have already fallen down to the bottom of the Tetris board. This List would be held within your Tetris class and when the current falling item hits the bottom of the board or one of the already falled shapes then it should be stopped and added to the fallen list.
Other general tips:
How to recursively pack rectangles into a square

How to recursively pack rectangles into a square

By : Twinkle
Date : March 29 2020, 07:55 AM
I hope this helps . You didn't ask a question. I will offer some advice, anyway.
Expressions like p.rect[3] are not especially clear, despite the helpful and informative comment you wrote. If you need to use tuples, then consider unpacking before using: x, y, w, h = p.rect, then use the height h. Even better, make rect a namedtuple.
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