I double that, a short distance linpick is the best way.
p=linepick(x,y,z,0,-.91,0,0); assuming your player is 1.8 blitz units tall.
if p<>0 then jump
collision will prevent climbing up walls in the same time. plus you can check pickedNX etc. to limit the legal slope.
p=linepick(x,y,z,0,-.91,0,0); assuming your player is 1.8 blitz units tall.
if p<>0 then jump
collision will prevent climbing up walls in the same time. plus you can check pickedNX etc. to limit the legal slope.