def randomRot(allowCameraMoving=False, printInfo=True):
global mappedTo
maxspeed = gf.get_speed()
dim = gf.get_dimen()
# Create two dimensional list of angular velocities (one for every pair of axes)
velocities = [0]
for i in range(1, dim + 1):
velocities = velocities + [[0] * i]
if allowCameraMoving:
# Create list of camera distances (in different levels of persp. proj.) and list of their current speeds
camPosL = [0] * (dim + 1)
for i in range(3, dim + 1):
camPosL[i] = gf.get_camposl(i)
camPosLAcc = [0] * (dim + 1)
lastTime = gf.time()
minDelay = 1000 / gf.get_maxfps()
while gf.sleep(
minDelay
): # Repeat till user abort; repaint and wait at least 1ms before every course
t = gf.time() # Time measuring to deal with different sleeping time
if printInfo:
gf.clear()
# echo prints every line below the previous one, clearing is necessary
gf.echo("--- Random rotation ---")
# Rotate figure and write velocities to console
for i in range(1, dim + 1):
for j in range(1, i):
velocities[i][j] = velocities[i][j] + (random.random() -
0.5) * maxspeed / 20
if velocities[i][j] > maxspeed / 2:
velocities[i][j] = maxspeed / 2
if velocities[i][j] < -maxspeed / 2:
velocities[i][j] = -maxspeed / 2
if printInfo:
gf.echo(" {}{}: {:6.2f} deg/sec".format(
j, i, -velocities[i][j]))
gf.rotate(i, j, velocities[i][j] * (t - lastTime) / 1000)
if allowCameraMoving:
# Change camera distances and write new values to console
for i in range(3, dim + 1):
camPosLAcc[i] = camPosLAcc[i] + (random.random() - 0.5) / 64
if camPosLAcc[i] < 0:
if camPosLAcc[i] < -0.01:
camPosLAcc[i] = -0.01
camPosL[i] = camPosL[i] + (camPosL[i] -
0.2) * camPosLAcc[i]
if camPosLAcc[i] > 0:
if camPosLAcc[i] > 0.01:
camPosLAcc[i] = 0.01
camPosL[i] = camPosL[i] + (10 - camPosL[i]) * camPosLAcc[i]
if printInfo:
gf.echo(" camposl{}={:6.2f}".format(i, camPosL[i]))
gf.set_camposl(i, camPosL[i])
lastTime = t
if printInfo:
if auto:
gf.echo("Automatic rotation enabled")
else:
gf.echo("Automatic rotation disabled")
if mappedTo:
if printInfo:
gf.clearAfterCmd(
"Press " + mappedTo +
" to toggle camera moving or any other key to stop moving"
) # Remove only this line when user types command
if allowCameraMoving:
gf.map(mappedTo, "randomRot.randomRot(False)"
) # Tab always rotates without camera moving (default)
else:
gf.map(
mappedTo, "randomRot.randomRot(gf.time()<" +
str(gf.time() + 100) + ")"
) # Pressing tab in 100ms will rotate with camera moving
# If tab was used to abort rotation, the same press will resume it
else:
if printInfo:
gf.clearAfterCmd("Press any key to stop moving")
def randomRot(allowCameraMoving=False, printInfo=True):
global mappedTo
maxspeed = gf.get_speed()
dim = gf.get_dimen()
# Create two dimensional list of angular velocities (one for every pair of axes)
velocities = [0]
for i in range(1, dim + 1):
velocities = velocities + [[0] * i]
if allowCameraMoving:
# Create list of camera distances (in different levels of persp. proj.) and list of their current speeds
camPosL = [0] * (dim + 1)
for i in range(3, dim + 1):
camPosL[i] = gf.get_camposl(i)
camPosLAcc = [0] * (dim + 1)
lastTime = gf.time()
minDelay = 1000 / gf.get_maxfps()
while gf.sleep(minDelay): # Repeat till user abort; repaint and wait at least 1ms before every course
t = gf.time() # Time measuring to deal with different sleeping time
if printInfo:
gf.clear()
# echo prints every line below the previous one, clearing is necessary
gf.echo("--- Random rotation ---")
# Rotate figure and write velocities to console
for i in range(1, dim + 1):
for j in range(1, i):
velocities[i][j] = velocities[i][j] + (random.random() - 0.5) * maxspeed / 20
if velocities[i][j] > maxspeed / 2:
velocities[i][j] = maxspeed / 2
if velocities[i][j] < -maxspeed / 2:
velocities[i][j] = -maxspeed / 2
if printInfo:
gf.echo(" {}{}: {:6.2f} deg/sec".format(j, i, -velocities[i][j]))
gf.rotate(i, j, velocities[i][j] * (t - lastTime) / 1000)
if allowCameraMoving:
# Change camera distances and write new values to console
for i in range(3, dim + 1):
camPosLAcc[i] = camPosLAcc[i] + (random.random() - 0.5) / 64
if camPosLAcc[i] < 0:
if camPosLAcc[i] < -0.01:
camPosLAcc[i] = -0.01
camPosL[i] = camPosL[i] + (camPosL[i] - 0.2) * camPosLAcc[i]
if camPosLAcc[i] > 0:
if camPosLAcc[i] > 0.01:
camPosLAcc[i] = 0.01
camPosL[i] = camPosL[i] + (10 - camPosL[i]) * camPosLAcc[i]
if printInfo:
gf.echo(" camposl{}={:6.2f}".format(i, camPosL[i]))
gf.set_camposl(i, camPosL[i])
lastTime = t
if printInfo:
if auto:
gf.echo("Automatic rotation enabled")
else:
gf.echo("Automatic rotation disabled")
if mappedTo:
if printInfo:
gf.clearAfterCmd(
"Press " + mappedTo + " to toggle camera moving or any other key to stop moving"
) # Remove only this line when user types command
if allowCameraMoving:
gf.map(mappedTo, "randomRot.randomRot(False)") # Tab always rotates without camera moving (default)
else:
gf.map(
mappedTo, "randomRot.randomRot(gf.time()<" + str(gf.time() + 100) + ")"
) # Pressing tab in 100ms will rotate with camera moving
# If tab was used to abort rotation, the same press will resume it
else:
if printInfo:
gf.clearAfterCmd("Press any key to stop moving")
def idle():
global axes
global buttons
global lock
global idleTime
if not axes:
if not os.access(device, os.R_OK):
off()
raise IOError("Device " + device + " cannot be opened")
axes = [0] * 6
def handler():
global axes
global device
global buttons
global lock
eventFormat = "llHHi"
eventSize = struct.calcsize(eventFormat)
openTime = time.time()
skipping = True
try:
dev = open(device, "rb")
event = dev.read(eventSize)
except IOError as ex:
with lock:
axes = None
raise ex
while event:
if skipping: # events that happened before opening the device
if time.time() - openTime > 0.1:
skipping = False
event = dev.read(eventSize)
continue
(tv_sec, tv_usec, type, code,
value) = struct.unpack(eventFormat, event)
if type == 2:
with lock:
axes[code] += value
elif type == 1 and value == 1:
buttons.append(code)
try:
event = dev.read(eventSize)
except IOError as ex:
with lock:
axes = None
raise ex
t = threading.Thread(target=handler, args=())
t.daemon = True
t.start()
currTime = gf.time()
if currTime - idleTime > 100:
with lock:
axes = [0] * 6
del buttons[:]
else:
dim = gf.get_dimen()
with lock:
if not axes:
return
(right, near, down, tiltNear, tiltLeft, rotRight) = axes
axes = [0] * 6
if dim >= 2:
if tiltLeft: # ifs needed not to force repainting
gf.rotate(1, 2, sensitivity * tiltLeft)
if dim >= 3:
if tiltNear:
gf.rotate(2, 3, sensitivity * tiltNear)
if rotRight:
gf.rotate(1, 3, sensitivity * rotRight)
if dim >= 4:
if right:
gf.rotate(4, 1, sensitivity * right)
if near:
gf.rotate(4, 3, sensitivity * near)
if down:
gf.rotate(2, 4, sensitivity * down)
while len(buttons):
gf.clear()
if buttons.pop() == 256:
if leftBtnFunc:
leftBtnFunc()
else:
if rightBtnFunc:
rightBtnFunc()
idleTime = currTime
def idle():
global axes
global buttons
global lock
global idleTime
if not axes:
if not os.access(device, os.R_OK):
off()
raise IOError("Device " + device + " cannot be opened")
axes=[0]*6
def handler():
global axes
global device
global buttons
global lock
eventFormat="llHHi"
eventSize=struct.calcsize(eventFormat)
openTime=time.time()
skipping=True
try:
dev=open(device, "rb")
event=dev.read(eventSize)
except IOError as ex:
with lock:
axes=None
raise ex
while event:
if skipping: # events that happened before opening the device
if time.time()-openTime > 0.1:
skipping=False
event=dev.read(eventSize)
continue
(tv_sec, tv_usec, type, code, value)=struct.unpack(eventFormat, event)
if type==2:
with lock:
axes[code]+=value
elif type==1 and value==1:
buttons.append(code)
try:
event=dev.read(eventSize)
except IOError as ex:
with lock:
axes=None
raise ex
t=threading.Thread(target=handler, args=())
t.daemon=True
t.start()
currTime=gf.time()
if currTime-idleTime>100:
with lock:
axes=[0]*6
del buttons[:]
else:
dim=gf.get_dimen()
with lock:
if not axes:
return;
(right, near, down, tiltNear, tiltLeft, rotRight)=axes
axes=[0]*6
if dim>=2:
if tiltLeft: # ifs needed not to force repainting
gf.rotate(1, 2, sensitivity*tiltLeft)
if dim>=3:
if tiltNear:
gf.rotate(2, 3, sensitivity*tiltNear)
if rotRight:
gf.rotate(1, 3, sensitivity*rotRight)
if dim>=4:
if right:
gf.rotate(4, 1, sensitivity*right)
if near:
gf.rotate(4, 3, sensitivity*near)
if down:
gf.rotate(2, 4, sensitivity*down)
while len(buttons):
gf.clear()
if buttons.pop()==256:
if leftBtnFunc:
leftBtnFunc()
else:
if rightBtnFunc:
rightBtnFunc()
idleTime=currTime
