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Tweak to collision-detection.

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This commit is contained in:
Colin McMillen 2015-06-01 23:11:50 -04:00
parent ca8926f567
commit 1c7b6fde81
1 changed files with 4 additions and 1 deletions
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pewpew.asm
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@ -618,7 +618,10 @@ CheckCollisionsWithPlayer:
adc #16 ; Can't overflow. adc #16 ; Can't overflow.
sta $00 ; Store the center. sta $00 ; Store the center.
lda playerY lda playerY
adc #16 ; Store the center. ; Store the center. Our ship is actually 31 pixels tall, so offsetting by
; 15 feels more "fair": a shot that hits the invisible bottom edge of the
; ship won't count as a hit.
adc #15
sta $01 sta $01
ldx #0 ldx #0