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(bunnymark) Conserve bun energy on y-bounce.

This commit is contained in:
Andrew Alderwick 2022-06-12 14:01:51 +01:00
parent 55d9ba4d71
commit dc65cc0f1d
1 changed files with 8 additions and 5 deletions
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13
projects/examples/demos/bunnymark.tal
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@ -86,22 +86,25 @@ BRK
[ LDA2k ] #05 SFT2 #0008 ADD2 [ .Screen/width DEI2 ] LTH2 ,&skip-max-x JCN
[ DUP2 #0004 ADD2 LDA2 ] #ffff MUL2 [ OVR2 #0004 ADD2 STA2 ]
&skip-max-x
( check for bottom wall collision + bounce y )
[ DUP2 #0006 ADD2 LDA2 ] #0f SFT2 #0001 EQU2 ,&skip-max-y JCN
[ INC2k INC2 LDA2 ] #05 SFT2 #0008 ADD2 [ .Screen/height DEI2 ] LTH2 ,&skip-max-y JCN
[ DUP2 #0006 ADD2 LDA2 ] #ffff MUL2 [ OVR2 #0006 ADD2 STA2 ]
&skip-max-y
( check for left wall collision + bounce x )
[ LDA2k ] #0f SFT2 #0000 EQU2 ,&skip-min-x JCN
[ DUP2 #0004 ADD2 LDA2 ] #ffff MUL2 [ OVR2 #0004 ADD2 STA2 ]
&skip-min-x
( check for bottom wall collision + bounce y )
[ DUP2 #0006 ADD2 LDA2 ] #0f SFT2 #0001 EQU2 ,&skip-max-y JCN
[ INC2k INC2 LDA2 ] #05 SFT2 #0008 ADD2 [ .Screen/height DEI2 ] LTH2 ,&skip-max-y JCN
[ DUP2 #0006 ADD2 LDA2 ] #ffff MUL2 [ OVR2 #0006 ADD2 STA2 ]
,&skip-gravity JMP
&skip-max-y
( check for top wall collision + bounce x )
[ INC2k INC2 LDA2 ] #0f SFT2 #0000 EQU2 ,&skip-min-y JCN
[ DUP2 #0006 ADD2 LDA2 ] #ffff MUL2 [ OVR2 #0006 ADD2 STA2 ]
,&skip-gravity JMP
&skip-min-y
( apply gravity )
[ DUP2 #0006 ADD2 LDA2 ] #0004 ADD2 OVR2 #0006 ADD2 STA2
&skip-gravity
( draw the sprite )
( top )