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showing results for - "check if two rectangles overlap javascript canvas"
Francesco
12 Sep 2016
1// Where left, right, top and bottom are essentially edges
2
3if (a.left >= b.right || a.top >= b.bottom || 
4    a.right <= b.left || a.bottom <= b.top)
5{
6    // no overlap
7}
8else
9{
10    // overlap
11}
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