本文整理汇总了Python中Vector.Vector.normalise方法的典型用法代码示例。如果您正苦于以下问题：Python Vector.normalise方法的具体用法？Python Vector.normalise怎么用？Python Vector.normalise使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Vector.Vector的用法示例。
在下文中一共展示了Vector.normalise方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: GameEntity
# 需要导入模块: from Vector import Vector [as 别名]
# 或者: from Vector.Vector import normalise [as 别名]
#.........这里部分代码省略.........
antialias = 1
red = 255,0,0
for line in lines:
text = font.render(line.strip(), antialias, red)
text_pos = text.get_rect()
center_image_x = text_pos.width/2
center_image_y = text_pos.height/2
w, h = center
center = ((w - center_image_x),(h - center_image_y))
text_pos = center
height = font.get_linesize()
surface.blit(text, text_pos)
new_y = self.location.get_y() + height
center = (self.location.get_x(), new_y)
pygame.display.flip()
def process(self, time_passed):
"""Function that plots a new course.
Function that determines whether or not the entity can move,
if the enity can move then a new course is plotted based
on its current location, and its destination
vec_to_destination: holds a vector object that determines how to get
from the current location to a destination location e.g. A (1,1) B(10,10)
vec_to_des(9,9)
distance_to_destination: holds the distance between two points. Should
be a numeric value
heading: holds the heading/direction that leads to the destination, Created
by normalising the vec_to_destination. vect_to_destination / magnitude, giving it
a magnitude of 1, which provides a heading
travel_speed: holds the speed the entity should travel based on its given speed and
the amount of time that has passed
position: holds the current position of the entity based on its heading
and its travel speed.
"""
self.brain.think()
if self.speed > 0 and self.location != self.destination:
vec_to_destination = self.destination - self.location
distance_to_destination = vec_to_destination.get_magnitude()
self.heading = vec_to_destination
self.heading.normalise()
travel_speed = min(distance_to_destination, time_passed * self.speed)
position = self.heading * travel_speed
self.location += position
def rotate_image(self):
"""This function is used to rotate the entity image depending on its heading.
"""
if self.heading.get_x() == 0 and self.heading.get_y() == 0: #or self.heading.compare_to(self.last_heading) == True:
self.heading = self.last_heading
if self.heading.get_x() >=0 and self.heading.get_y() <=0:
value = math.degrees(math.acos(self.heading.get_x()))
self.image = self.start_image
self.image = pygame.transform.rotate(self.image, value)
self.last_heading = self.heading
return
elif self.heading.get_x() <=0 and self.heading.get_y() <=0:
value = math.degrees(math.acos(self.heading.get_x()))
self.image = self.start_image
self.image = pygame.transform.rotate(self.image, value)
self.last_heading = self.heading
return
elif self.heading.get_x() <=0 and self.heading.get_y() >=0 :
value = 180 + math.degrees(math.asin(self.heading.get_y()))
self.image = self.start_image
self.image = pygame.transform.rotate(self.image, value)
self.last_heading = self.heading
return
elif self.heading.get_x() >=0 and self.heading.get_y() >=0:
value = 360 - math.degrees(math.asin(self.heading.get_y()))
self.image = self.start_image
self.image = pygame.transform.rotate(self.image, value)
self.last_heading = self.heading
return
def handle_click(self, event):
return