Xor: add to Innovations since 2005

2021-06-27T05:09:56Z

add to Innovations since 2005

Xor: Initial commit

2021-06-27T05:06:57Z

Initial commit

New page

{{Stub}}

In [[BeepBoop/Understanding BeepBoop]], [[Kev]] mentioned that:
<blockquote>
Bots I've looked at implement passive bullet shadowing something like this:

Iterate through various (my_bullet, enemy_wave) pairs. These typically consist of a new enemy wave with all your current bullets or a new bullet with current enemy waves.
For each pair, iterate through various timesteps t when the bullet might intersect with the wave.
Add a shadow (if there is any) for the bullet at t and the wave at t, found by determining where the line segment (bullet_location_t, bullet_location_t+1) intersects the circles wave_t and wave_t+1.
However, step 3 isn't quite right. Robocode checks for bullet collisions by iterating through bullets in a random order, updating the line segment for the current bullet, and then checking if it intersects any of the other bullet line segments. Depending on this random order, a bullet can collide with another bullet's "previous" line segment. This means the correct way of doing step 3 is really.

Add a shadow for the bullet at t and the wave at t. Then add 50%-weighted shadows for the bullet at t and wave at t-1 and for the bullet at t-1 and wave at t.
</blockquote>

@@ Line 3: / Line 3: @@
 In [[BeepBoop/Understanding BeepBoop]], [[Kev]] mentioned that:
 <blockquote>
-Bots I've looked at implement passive bullet shadowing something like this:
+Bots I've looked at implement passive [[Bullet_Shadow | bullet shadowing]] something like this:
+# Iterate through various (''my_bullet'', ''enemy_wave'') pairs. These typically consist of a new enemy wave with all your current bullets or a new bullet with current enemy waves.
-Iterate through various (my_bullet, enemy_wave) pairs. These typically consist of a new enemy wave with all your current bullets or a new bullet with current enemy waves.
+# For each pair, iterate through various timesteps ''t'' when the bullet might intersect with the wave.
-For each pair, iterate through various timesteps t when the bullet might intersect with the wave.
+# Add a shadow (if there is any) for the bullet at ''t'' and the wave at ''t'', found by determining where the line segment (''bullet_location_t'', ''bullet_location_t+1'') intersects the circles ''wave_t'' and ''wave_t+1''.
-Add a shadow (if there is any) for the bullet at t and the wave at t, found by determining where the line segment (bullet_location_t, bullet_location_t+1) intersects the circles wave_t and wave_t+1.
+However, step 3 isn't quite right. Robocode checks for bullet collisions by iterating through bullets in a random order, updating the line segment for the current bullet, and then checking if it intersects any of the other bullet line segments. Depending on this random order, a bullet can collide with another bullet's "previous" line segment. This means the correct way of doing step 3 is really.
-However, step 3 isn't quite right. Robocode checks for bullet collisions by iterating through bullets in a random order, updating the line segment for the current bullet, and then checking if it intersects any of the other bullet line segments. Depending on this random order, a bullet can collide with another bullet's "previous" line segment. This means the correct way of doing step 3 is really.
+<ol start="3">
+<li>Add a shadow for the bullet at ''t'' and the wave at ''t''. Then add 50%-weighted shadows for the bullet at ''t'' and wave at ''t-1'' and for the bullet at ''t-1'' and wave at ''t''.</li>
-Add a shadow for the bullet at t and the wave at t. Then add 50%-weighted shadows for the bullet at t and wave at t-1 and for the bullet at t-1 and wave at t.
+</ol>
 </blockquote>

Bullet Shadow/Correct - Revision history

Xor: add to Innovations since 2005

Xor: Initial commit