AI-Project/survival/camera.py

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from pygame.rect import Rect
from survival import SCREEN_WIDTH, SCREEN_HEIGHT
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class Camera:
def __init__(self, width, height, window):
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self.camera = Rect(0, 0, width, height)
self.width = width
self.height = height
self.window = window
def draw(self, image):
image.draw(self.window, self)
def apply(self, pos):
return pos[0] + self.camera.left, pos[1] + self.camera.top
def get_visible_area(self):
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return Rect(-self.camera.left, -self.camera.top,
SCREEN_WIDTH - self.camera.left, SCREEN_HEIGHT - self.camera.top)
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def update(self, target):
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x = -target.position[0] + int(SCREEN_WIDTH / 2)
y = -target.position[1] + int(SCREEN_HEIGHT / 2)
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x = min(0, x)
y = min(0, y)
x = max(-(self.width - SCREEN_WIDTH), x)
y = max(-(self.height - SCREEN_HEIGHT), y)
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self.camera = Rect(x, y, self.width, self.height)