Eel

1 files changed, 12 insertions, 7 deletions

diff --git a/fish_types.py b/fish_types.py
index 61cd36a..d37a259 100644
--- a/fish_types.py
+++ b/fish_types.py
@@ -11,6 +11,9 @@ class Fish(object):
     Must override color (or color_at), drag, width, height, tailThreshold,
     tailDuration, tailAccelMag
     """
+
+    is_diamond = True
+
     def __init__(self, x=None, y=None):
         """Create fish with default parameters."""
         if x is not None:
@@ -219,27 +222,29 @@ class Stingray(Fish):
 
 
 class Eel(Fish):
-    color = C.HSV(109/360, 83/100, 35/100).to_RGB()
+    color = C.HSV(109/360, 83/100, 0/100).to_RGB()
     drag = -0.09
-    width = 50
+    width = 30
     height = 2
     tailThreshold = 0.7
     tailDuration = 2
-    tailAccelMag = 0.1
+    tailAccelMag = 0.2
 
     front_offset = 0
     y = 0
+    is_diamond = False
 
     def alpha_at(self, x, y):
         rel_x = x - self.x
-        rel_y = y - self.y
         eel_height = math.sin(
                 2 * math.pi * (rel_x + self.front_offset) / self.width
             ) / 2 + 0.5
-        y_blend = abs(rel_y - eel_height)
-        if y_blend > 0.5:
+        y_blend = abs(y - eel_height)
+        if y_blend > 0.75:
             return 0
-        return (1 - y_blend)
+        if y_blend < 0.25:
+            return 1
+        return 1 - y_blend
 
     def update(self):
         self.front_offset += abs(self.speed)