shoot a bullet to a touched position #2
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mmorihiro
commented
Mar 9, 2017
| val xSide = (clickedX - Values.centerX).toDouble() | ||
| val direction = Math.atan2(ySide, xSide) | ||
| val vx = Math.cos(direction).toFloat() | ||
| val vy = Math.sin(direction).toFloat() |
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この部分は#3 でリファクタリングするので、今回はこのままにしました。
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#1