Adds a second stage for ascending.

Throot.py

@@ -100,6 +100,7 @@ class RoomTitle(Room):
         thumby.display.drawSprite(spr_b)
 
 class GameLoop(Room):
+
     def __init__(self):
         self.diving_velocity = 10
         self.diving_accel = 0
@@ -125,13 +126,17 @@ class GameLoop(Room):
         )
         self.current_obstacle_slice = OBSTACLE_SLICES[0]
         self.player = Player()
-        self.player.yspeed = 10
+        self.player.speed_y = 16
+        self.player.isdecend = 1
         self.score = 'score' in event and event['score'] or 0
         self.level = 'level' in event and event['level'] or 0
 
         self.finish_depth = 100 + 5 * self.level ** 2
+        self.finish_height = -self.finish_depth
         self.camera = Camera(self.player)
 
+        self.stage = DESCEND_STAGE
+
     def get_obstacle_slice(self):
         return OBSTACLE_SLICES[randrange(0, len(OBSTACLE_SLICES))]
 
@@ -201,7 +206,7 @@ class GameLoop(Room):
         """
         super().update(tpf)
 
-        self.player.update_phys(tpf, self.camera)
+        self.player.update_phys(tpf, self.stage in (DESCEND_STAGE, ASCEND_STAGE) and self.camera or None)
 
         self.camera.update_phys()
 
@@ -231,7 +236,15 @@ class GameLoop(Room):
         self.score += int(abs(self.player.ysub - self.player.prev_y) * 10)
 
         # finish level
+        if self.stage == DESCEND_STAGE:
             if self.player.y > self.finish_depth + int(thumby.display.height * 1.5):
+                self.stage = ASCEND_STAGE
+                self.player.ysub = 0
+                self.player.prev_y = 0
+                self.player.speed_y *= -1
+                self.player.isdecend = 0
+        elif self.stage == ASCEND_STAGE:
+            if self.player.y < self.finish_height - int(thumby.display.height * 1.5):
                 self.score += 20
                 self.level += 1
                 self.start({
@@ -239,7 +252,7 @@ class GameLoop(Room):
                     'level': self.level
                 })
 
-        thumby.display.fill(0)
+        thumby.display.fill(int(self.player.y < 0))
         self.draw_sky()
         # Draw the entities
         for entity in self.entities:

constants.py

@@ -5,3 +5,13 @@ ROOM_MAIN = 1
 ROOM_END = 2
 ROOM_NEXT = -1
 
+
+# The first part of the level, where we are reaching the water
+DESCEND_STAGE = 0
+# The transition to the second part of the level, where the camera travels
+# back to the surface
+WATER_STAGE = 1
+# The second part of the level, where we are growing into the sky
+ASCEND_STAGE = 2
+# The "level complete" animation
+BLOOM_STAGE = 3