# Difference between revisions of "Thread:Talk:Bullet Shadow/Correct/Shadow depends on the bullet, not so on the wave/reply (4)"

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Two things, independent from each other: | Two things, independent from each other: | ||

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1. Enemy bullet in black area: 100% probability of collision. | 1. Enemy bullet in black area: 100% probability of collision. | ||

− | 2. Enemy bullet in gray area: 50% for update order [my bullet, enemy bullet], 50% for update order [enemy bullet, my bullet]. | + | |

+ | 2. Enemy bullet in gray area: 50% for update order [my bullet, enemy bullet], 50% for update order [enemy bullet, my bullet]. | ||

Note that 1 and 2 is completely independent, because there are no intersections between the two areas (event spaces), this can be proved by some geometry. | Note that 1 and 2 is completely independent, because there are no intersections between the two areas (event spaces), this can be proved by some geometry. | ||

And note that, probability of bullet collision happens in gray area vs in black area is a complete different thing, which also depends on actual size of area. | And note that, probability of bullet collision happens in gray area vs in black area is a complete different thing, which also depends on actual size of area. |

## Latest revision as of 20:18, 5 July 2021

Two things, independent from each other:

1. Enemy bullet in black area: 100% probability of collision.

2. Enemy bullet in gray area: 50% for update order [my bullet, enemy bullet], 50% for update order [enemy bullet, my bullet].

Note that 1 and 2 is completely independent, because there are no intersections between the two areas (event spaces), this can be proved by some geometry.

And note that, probability of bullet collision happens in gray area vs in black area is a complete different thing, which also depends on actual size of area.