def main():
myContacts = Contacts()
print "My " + str(myContacts)
myContacts.addContact("Mickey")
myContacts.addContact("Fred")
myContacts.addContact("Edward")
myContacts.addContact("Harry")
print "My " + str(myContacts)
yourContacts = Contacts()
yourContacts.addContact("Pat")
print "Your " + str(yourContacts)
print "My " + str(myContacts)
class TrackerGraphics:
smallNumber = ""
def __init__(self, scope, resources, calibration):
#initialise pygame
self.compass = Compass(calibration) #get a compass object
self.scope = scope #Use a pyscope object so we can run the program from the console
self.resources = resources #get the resources class instance
self.contactsArray = Contacts() #get a contacts class instance
self.text = None
self.smallnumber_text = None
self.dots = None
self.display_scale = None
self.closest_text = ""
self.smallnumber = ""
def update(self, wave_size, addcontact, calibration):
self.compass.updatexy(calibration)
if addcontact:
self.contactsArray.addContact(self.compass.smbusAvailable)
#Read the current direction of the tracker from the digital compass
bearing = self.compass.getCompassBearing()
#rotate the contacts in relation to the grid
self.contactsArray.updateContactsInWorld(bearing)
#Set the screen background
backdrop = self.rot_center(self.resources.compass, bearing)
background_colour = (0, 0, 0)
self.scope.pySurface.fill(background_colour)
self.scope.pySurface.blit(backdrop, (0, 22))
#render our contacts
if (len(self.contactsArray.ContactArray)) > 0:
for x in self.contactsArray.ContactArray:
trackerScale = self.contactsArray.trackerScale
opacityIndex = x.getOpacityIndex(wave_size, trackerScale)
self.scope.pySurface.blit(
self.resources.contactBack[opacityIndex],
(x.worldX - 25, x.worldY - 25))
for x in self.contactsArray.ContactArray:
trackerScale = self.contactsArray.trackerScale
opacityIndex = x.getOpacityIndex(wave_size, trackerScale)
self.scope.pySurface.blit(
self.resources.contactFore[opacityIndex],
(x.worldX - 25, x.worldY - 25))
#render the wave pulse with current wave size
self.scope.pySurface.blit(self.resources.waves[wave_size], (0, 0))
#Convert the range to the closest blip to text. If no blip present display dashes
if self.contactsArray.getClosestContactDistance() == 999:
self.closest_text = ""
self.smallnumber = ""
else:
if wave_size == 0:
self.closest_text = str(
self.contactsArray.getClosestContactDistance())
self.smallnumber = str(random.randint(10, 99))
range_prefix = ""
if len(self.closest_text) == 1:
range_prefix = '0'
if len(self.closest_text) == 2:
range_prefix = ''
#Render the display
self.text = self.resources.font.render(str(bearing), 1, (215, 0, 0))
self.text = self.resources.font.render(
range_prefix + self.closest_text, 1, (215, 0, 0))
self.smallnumber_text = self.resources.smallfont.render(
self.smallnumber, 1, (215, 0, 0))
self.dots = self.resources.smallfont.render("-", 1, (215, 0, 0))
self.display_scale = self.resources.displayScaleFont.render(
'm', 1, (215, 0, 0))
#render the info panel to screen
self.scope.pySurface.blit(self.resources.info, (0, 182))
self.scope.pySurface.blit(self.text, (129, 182))
self.scope.pySurface.blit(self.smallnumber_text, (170, 182))
self.scope.pySurface.blit(self.dots, (162, 182))
self.scope.pySurface.blit(self.display_scale, (178, 195))
self.scope.screen.blit(self.scope.pySurface, (0, 0))
#update the display and show our images
pygame.display.update()
if wave_size == 15:
self.contactsArray.moveContacts()
return self.contactsArray
#Define the image rotation function
def rot_center(self, image, angle):
orig_rect = image.get_rect()
rot_image = pygame.transform.rotate(image, angle * -1)
rot_rect = orig_rect.copy()
rot_rect.center = rot_image.get_rect().center
rot_image = rot_image.subsurface(rot_rect).copy()
return rot_image
