def _draw_laser(cls, canvas: tk.Canvas, laser: Laser):
"""Draws a laser with random colours"""
try:
canvas.laser_counts[laser] += 1
except KeyError:
canvas.laser_counts[laser] = 1
if canvas.laser_counts[laser] < 3:
canvas.total_laser_count += 1
x, y = laser.position
length, width = laser.size
dx, dy = rotate_point((length / 2, width / 2), laser.rotation)
#head = x + dx, y + dy
#tail = x - dx, y - dy
head = x + dx, y + dy
tail = x, y
colour = random.choice(('red', 'lightblue', 'yellow', 'white'))
return canvas.create_line(head,
tail,
tag='laser',
fill=colour,
width=random.random() *
3) #was #00ffff (aqua)
def _draw_missile(cls, canvas: tk.Canvas, missile: Missile):
"""Draws a missile"""
x, y = missile.position
length, width = missile.size
dx, dy = rotate_point((length / 2, width / 2), missile.rotation)
head = x + dx, y + dy
tail = x - dx, y - dy
return canvas.create_line(head, tail, tag='obstacle')
def _draw_turret(cls, canvas: tk.Canvas, turret: Turret):
"""Draws a missile"""
x, y = turret.position
length, width = turret.size
dx, dy = rotate_point((length / 1, width / 1), turret.rotation)
head = x + dx, y + dy
tail = x - dx, y - dy
return canvas.create_line(head, tail, fill = turret.colour, tag='obstacle')
def _draw_fire(cls, canvas: tk.Canvas, fire: Fire):
"""Draws a fire"""
x, y = fire.position
length, width = fire.size
dx, dy = rotate_point((length / 2, width / 2), fire.rotation)
head = x + dx, y + dy
tail = x - dx, y - dy
return canvas.create_line(head, tail, tag='obstacle')
def _draw_bullet(cls, canvas: tk.Canvas, missile: Missile):
"""Draws a missile"""
x, y = missile.position
length, width = missile.size
dx, dy = rotate_point((length / 2, width / 2), missile.rotation)
head = x + dx, y + dy
tail = x - dx, y - dy
return canvas.create_line(head,
tail,
tag='obstacle',
fill='orange',
width=1) # had no fill before (black)
def draw_obstacles(self, obstacles):
"""
Draw a list of obstacles to the view, simultaneously removing previous
obstacles
Parameters:
obstacles (list<Unit>): A list of obstacles to draw to the view
"""
self.delete('obstacle')
# assuming missile
for missile in obstacles:
x, y = missile.position
length, width = missile.size
dx, dy = rotate_point((length / 2, width / 2), missile.rotation)
head = x + dx, y + dy
tail = x - dx, y - dy
self.create_line(head, tail, tag='obstacle')
