Created
April 3, 2015 09:28
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| function drag(callback){ | |
| var downFlag; | |
| mouseDown(function(x, y){ | |
| downFlag = true; | |
| }); | |
| mouseUp(function(x, y){ | |
| downFlag = false; | |
| }); | |
| mouseMove(function(x, y){ | |
| if (downFlag){ | |
| fn(x, y); | |
| } | |
| }); | |
| } | |
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