def old_action(target, coins):
targetLoc = getLocation(target)
pocket = util.nearest_pocket(target)
pocketLoc = getLocation(pocket)
y = util.startpos_y
x = target[0] + float(target[0] - pocket[0]) / float(
target[1] - pocket[1]) * (y - target[1])
if x < 170 or x > 630:
x = 400
posValid = True
while not util.isPosValid((x, util.startpos_y), coins):
x = random.randrange(170, 630)
posValid = False
angle = 180 / util.pi * math.atan2(target[1] - y, target[0] - x)
if angle < -45:
angle = angle + 360
force = random.randrange(80, 100)
force = force / 100.0
force = 1
return x, angle, force, posValid
def directShotAvl(coins, allCoins):
result = []
for target in coins:
pocket = util.nearest_pocket(target)
x = target[0] + float(target[0]-pocket[0])/float(target[1]-pocket[1]) * (util.startpos_y-target[1])
if(150 < x < 170):
x = 170
if(630 > x > 650):
x = 630
if(170 <= x <= 630):
result += [target]
random.shuffle(result)
return result
def highPrecision(coins, redLocation, BWcoins, allCoins):
targets = directShotAvl(coins, allCoins)
print('Direct shot available for %d coins' % len(targets))
print(targets)
if(len(targets) == 0):
print('-----------Choosing a random coin------------')
targets = coins
random.shuffle(targets)
if(len(BWcoins) <= 3 and len(redLocation) > 0 and random.random() < 0.5 + 1.0/(len(coins))):
print('Running behind the queen')
targets = redLocation
# Choose a target and the value of x for the striker
for target in targets:
pocket = util.nearest_pocket(target)
x_loc, directShot = getPosition(target, pocket)
# Break if the striker can be placed
if(util.isPosValid((x_loc, util.startpos_y), coins)):
break
# If no more candidate targets available, choose a random valid position
while not util.isPosValid((x_loc, util.startpos_y), coins):
x_loc = random.randrange(170, 630)
# Find the angle corresponding to the target and x found above
angle, angChange = getAngle(target, x_loc, pocket)
force, angChange = getForce(target, x_loc, pocket, directShot, coins, angChange)
print('Changing angle by %d' % angChange)
angle += angChange
print("FINAL TARGET", target, 'at pocket', pocket)
return x_loc, angle, force
def getActionFromIndex(action_index):
x_target = action_index // 16
y_target = action_index % 16
x_target = x_target * 50 + 25
y_target = y_target * 50 + 25
target = (x_target, y_target)
pocket = util.nearest_pocket(target)
#striker to start from (x,y)
y = 140
x = target[0] + float(target[0] - pocket[0]) / float(
target[1] - pocket[1]) * (y - target[1])
if x < 170 or x > 630:
x = 400
angle = 180 / util.pi * math.atan2(target[1] - y, target[0] - x)
if angle < -45:
angle = angle + 360
force = 1
position = float(x - 170) / float(460)
return (position, angle, force)
def best_action(target, coins):
# y=145 is the location of line from which to strike and it stretches from x=170 to x=630
pocket = util.nearest_pocket(target)
#striker to start from (x,y)
y = 145
x = target[0] + float(target[0] - pocket[0]) / float(
target[1] - pocket[1]) * (y - target[1])
if x < 170 or x > 630:
x = 400
while not util.isPosValid((x, 145), coins):
x = random.randrange(170, 630)
angle = 180 / util.pi * math.atan2(target[1] - y, target[0] - x)
if angle < -45:
angle = angle + 360
force = 1
# distance = dist(target, pocket)
# force = distance/(800*math.sqrt(2))*.25
# force = distance/(400*math.sqrt(2))*.25
return (x, angle, force)
def highForce(coins):
n_neighbors_max = 0
targets = []
for coin in coins:
temp, _ = num_neighbors(coin, coins, 100)
if temp > n_neighbors_max:
n_neighbors_max = temp
for coin in coins:
if num_neighbors(coin, coins, 100)[0] == n_neighbors_max:
targets.append(coin)
# Choose a target and the value of x for the striker
for target in targets:
pocket = util.nearest_pocket(target)
x_loc, directShot = getPosition(target, pocket)
# Break if the striker can be placed
if (util.isPosValid((x_loc, util.startpos_y), coins)):
break
# If no more candidate targets available, choose a random valid position
while not util.isPosValid((x_loc, util.startpos_y), coins):
x_loc = random.randrange(170, 630)
# Find the angle corresponding to the target and x found above
angle, angChange = getAngle(target, x_loc, pocket)
force = forceBase
print('Changing angle by %d' % angChange)
angle += angChange
print("FINAL TARGET", target, 'at pocket', pocket)
return x_loc, angle, force