Fix Phaser.Line.intersectsPoints for floating point inaccuracy. #865
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… the result to 3 decimals, should be enough precision and solves the problems. See: http://www.html5gamedevs.com/topic/6840-phaserlineintersects-does-not-work-for-floats/
photonstorm
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Jun 1, 2014
Fix Phaser.Line.intersectsPoints for floating point inaccuracy.
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Cooog |
| result.y = ((a2 * c1) - (a1 * c2)) / denom; | ||
| /* | ||
| Round to 3 decimals here, due to javascript floating point is 'broken' | ||
| http://stackoverflow.com/questions/11832914/round-to-at-most-2-decimal-places-in-javascript |
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This rounds the intersection result to 3 decimals. Should be accurate enough.
See: http://www.html5gamedevs.com/topic/6840-phaserlineintersects-does-not-work-for-floats/