修改雨滴显示效果

src/scenes/main_menu_scene.py

@@ -33,7 +33,7 @@ class MainMenuScene(BaseScene):
         self.rain_max = 50
         self.rain_list = []
         # 雨滴生命周期
-        self.rain_live_max = 6
+        self.rain_live_max = 10
         # 初始化雨滴
         self.init_rain(self.rain_max)
 
@@ -148,13 +148,17 @@ class MainMenuScene(BaseScene):
 
             # 当状态在区间1时绘制雨滴线条
             if rain["status"] <= self.rain_live_max - 3:
-                # 线条长度
-                line_len = 10*(self.rain_live_max - rain["status"])
+                # 设计高度
+                rain_high = 10 * self.rain_live_max
                 # 起点位置
+                # x坐标与最后落点x一致
                 x = rain["dest"][0]
-                y = rain["dest"][1] - line_len
+                # y坐标为落点位置向上移动设计高度后，加上生命周期去掉尾帧后落下的位置
+                y = (rain["dest"][1] - rain_high) + (rain["status"] * (self.rain_live_max + 2))
+                y2 = y + 10
                 line_start_point = (x, y)
-                pygame.draw.line(self.screen, Color.white, line_start_point, rain["dest"], 1)
+                line_end_point = (x, y2)
+                pygame.draw.line(self.screen, Color.white, line_start_point, line_end_point, 1)
             # 状态在区间2时绘制涟漪
             elif self.rain_live_max - 3 < rain["status"]:
                 point_width = rain["status"] - (self.rain_live_max - 3)
@@ -164,7 +168,7 @@ class MainMenuScene(BaseScene):
             # pygame.draw.ellipse(self.screen, Color.white, rain_point_rect, 1)
 
             # 雨滴状态每d_status毫秒变化一次
-            d_status = 200
+            d_status = 30
             if rain["timer"] > d_status:
                 rain["status"] += 1
                 rain["timer"] -= d_status  # 不设为0，避免累计时间误差