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Corrected both position increments and target time calculation.

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This commit is contained in:
Thomas Harte 2017-02-11 21:24:14 -05:00
parent b8abeced6d
commit ac444a3f34
1 changed files with 4 additions and 4 deletions
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8
Machines/Atari2600/TIA.cpp
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@ -634,12 +634,12 @@ void TIA::draw_player(Player &player, CollisionType collision_identity, const in
next_copy = 64;
}
int time_until_copy = next_copy - position;
if(start+time_until_copy < next_event_time) next_event_time = start+time_until_copy;
int next_copy_time = start + next_copy - position;
if(next_copy_time < next_event_time) next_event_time = next_copy_time;
}
// the next interesting event is after next_event_time cycles, so progress
position = (position + next_event_time) % 160;
position = (position + next_event_time - start) % 160;
start = next_event_time;
// if the event is a motion tick, apply
@ -673,6 +673,6 @@ void TIA::draw_player(Player &player, CollisionType collision_identity, const in
else
{
// just advance the timer all in one jump
position = (position + start - end) % 160;
position = (position + end - start) % 160;
}
}