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PeaShooter.py

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+# PeaShooter.py
+import pygame
+from Plant import Plant
+
+
+# 豌豆射手类
+class PeaShooter(Plant):
+    def __init__(self, x, y, grade):
+        super(PeaShooter, self).__init__()
+
+        self.image = pygame.image.load("imgs/peashooter.png")
+        self.rect = self.image.get_rect()
+        self.rect.x = x
+        self.rect.y = y
+
+        self.count = 0
+
+        self.shot_count = 25
+        # 1-4
+        self.grade = grade
+        self.couple = self.get_couple(grade)
+        self.shoot_number = self.couple[0]
+        self.shoot_number_count = self.shoot_number
+        self.bullet_damage = self.couple[1]
+        self.damage = self.shoot_number * self.bullet_damage
+        self.should_fire = False
+        self.should_count_fire = True
+
+    def get_couple(self, grade):
+        # 1*1   2*1     4*1     1*8     2*8     4*8
+        # 1     2       4       8       16      32
+        # 1     2       3       4       5       6
+        lis = [[1, 1], [2, 1], [4, 1], [1, 8], [2, 8], [4, 8]]
+        return lis[grade - 1]