def evaluate(self, blockset):
# iterate me, over all groundings of variables, if one is found, break, if not, rule not satisfied
for a in range(len(blockset)):
onfireA = blockset[a].onfire
if onfireA:
return Goal(blockset[a].id, negate=True, predicate="onfire")
return None
def evaluate(self, blockset):
# iterate me, over all groundings of variables, if one is found, break, if not, rule not satisfied
for a in range(len(blockset)):
for b in range(len(blockset)):
clearB = blockset[b].clear
squareB = blockset[b].type == Block.SQUARE
triangleA = blockset[a].type == Block.TRIANGLE
if clearB and squareB and triangleA:
return Goal(blockset[a].id, blockset[b].id, predicate="on")
return None
def evaluate(self, blockset):
# iterate me, over all groundings of variables, if one is found, break, if not, rule not satisfied
for a in range(len(blockset)):
for b in range(len(blockset)):
for c in range(len(blockset)):
for d in range(len(blockset)):
onAC = blockset[a].on == blockset[c]
onBD = blockset[b].on == blockset[d]
onDC = blockset[d].on == blockset[c]
AnotD = blockset[a] != blockset[d]
if onAC and onBD and onDC and AnotD:
return Goal(blockset[a].id,
blockset[b].id,
predicate="on")
return None
def evaluate(self, blockset):
# iterate me, over all groundings of variables, if one is found, break, if not, rule not satisfied
for a in range(len(blockset)):
for b in range(len(blockset)):
for c in range(len(blockset)):
for d in range(len(blockset)):
onAC = blockset[a].on == blockset[c]
onBD = blockset[b].on == blockset[d]
onCB = blockset[c].on == blockset[b]
squareD = blockset[d].type == Block.SQUARE
if onAC and onBD and onCB and squareD:
return Goal(blockset[a].id,
blockset[b].id,
predicate="on")
return None