def __init__(self, gs = None, initX = 0, initY = 0, hspeed = 10, vspeed = 0, angle = 0):
pygame.sprite.Sprite.__init__(self)
self.gs = gs
self.image = pygame.image.load("res/projectile.png").convert()
self.rect = self.image.get_rect()
self.hspeed = hspeed
self.vspeed = vspeed
#Tilt the image
self.image = Utilities.rot_center(self.image, angle)
#Make it start at the local player's position
self.rect.centerx = initX
self.rect.centery = initY
#keep original image to limit resize errors
self.orig_image = self.image
def ship_update(self):
#Calculate rotation, only if local player
if self.isLocal:
self.sprite_info[ANGLE] = self.calculate_angle()
if self.sprite_info[FIRE] == True:
rotationRad = math.radians(self.sprite_info[ANGLE])
# create projectile with the correct velocities to match the player's angle
speedMultiplier = 5
projectileRad = rotationRad - math.pi / 2
xspeed = -(math.cos(projectileRad) * speedMultiplier + (math.pi / 2))
yspeed = math.sin(projectileRad) * speedMultiplier + (math.pi / 2)
newProjectile = Projectile(self.gs, self.rect.centerx + (20 * xspeed), self.rect.centery + (20 * yspeed), xspeed, yspeed, self.sprite_info[ANGLE])
# add to projectile list
self.gs.projectileList.append(newProjectile)
#Update the image based on the mouse position
self.image = Utilities.rot_center(self.orig_image, self.sprite_info[ANGLE] + 40)
#Check if the player's ship is colliding with a projectile
hasCollision = False
for projectile in self.gs.projectileList:
if self.rect.colliderect( projectile.rect):
hasCollision = True
break
#Update the life points, and change the player into an explosion if necessary
if hasCollision:
#A collision occurred
self.sprite_info[HEALTH] = self.sprite_info[HEALTH] - 100
#Check if the health has been depleted
if self.sprite_info[HEALTH] <= 0:
self.explosionCounter = pygame.time.get_ticks()
self.image = self.explosionImages[0]
pygame.mixer.music.load("res/explode.wav")
pygame.mixer.music.play()
