feat: change default parameters to less bouncy

I got fed up with the overshooting animation.

Author: sphamba

README.md

@@ -118,11 +118,11 @@ As an example of further configuration, you can tune the smear dynamics to be sn
 ```lua
   opts = {                                -- Default  Range
     stiffness = 0.8,                      -- 0.6      [0, 1]
-    trailing_stiffness = 0.5,             -- 0.4      [0, 1]
+    trailing_stiffness = 0.6,             -- 0.45     [0, 1]
     stiffness_insert_mode = 0.7,          -- 0.5      [0, 1]
     trailing_stiffness_insert_mode = 0.7, -- 0.5      [0, 1]
-    damping = 0.8,                        -- 0.65     [0, 1]
-    damping_insert_mode = 0.8,            -- 0.7      [0, 1]
+    damping = 0.95,                       -- 0.85     [0, 1]
+    damping_insert_mode = 0.95,           -- 0.9      [0, 1]
     distance_stop_animating = 0.5,        -- 0.1      > 0
   },
 ```
@@ -134,7 +134,7 @@ If you notice a low framerate, you can try lowering the time interval between dr
   },
 ```
 
-You can also change the "bounciness" of the smear by adjusting the `damping` parameter (default to `0.65`). Increasing it (_e.g._ to `0.8`) will reduce the overshoot, while decreasing it (_e.g._ to `0.5`) will make the smear more elastic.
+You can also change the "bounciness" of the smear by adjusting the `damping` and `damping_insert_mode` parameters (default to `0.85` and `0.9` respectively). Decreasing them (_e.g._ to `0.65`) will make the smear appear more elastic (overshooting target position).
 
 
 > **🔥 FIRE HAZARD 🔥**
@@ -164,7 +164,6 @@ If you wish to only have a smoother cursor that keeps its rectangular shape (wit
   opts = {
     stiffness = 0.5,
     trailing_stiffness = 0.5,
-    damping = 0.67,
     matrix_pixel_threshold = 0.5,
   },
 ```

doc/smear-cursor.txt

@@ -120,11 +120,11 @@ snappier:
 >lua
       opts = {                                -- Default  Range
         stiffness = 0.8,                      -- 0.6      [0, 1]
-        trailing_stiffness = 0.5,             -- 0.4      [0, 1]
+        trailing_stiffness = 0.6,             -- 0.45     [0, 1]
         stiffness_insert_mode = 0.7,          -- 0.5      [0, 1]
         trailing_stiffness_insert_mode = 0.7, -- 0.5      [0, 1]
-        damping = 0.8,                        -- 0.65     [0, 1]
-        damping_insert_mode = 0.8,            -- 0.7      [0, 1]
+        damping = 0.95,                       -- 0.85     [0, 1]
+        damping_insert_mode = 0.95,           -- 0.9      [0, 1]
         distance_stop_animating = 0.5,        -- 0.1      > 0
       },
 <
@@ -139,9 +139,9 @@ draws (default is 17ms):
 <
 
 You can also change the "bounciness" of the smear by adjusting the `damping`
-parameter (default to `0.65`). Increasing it (_e.g._ to `0.8`) will reduce the
-overshoot, while decreasing it (_e.g._ to `0.5`) will make the smear more
-elastic.
+and `damping_insert_mode` parameters (default to `0.85` and `0.9`
+respectively). Decreasing them (_e.g._ to `0.65`) will make the smear appear
+more elastic (overshooting target position).
 
 
   **FIRE HAZARD **
@@ -169,7 +169,6 @@ If you wish to only have a smoother cursor that keeps its rectangular shape
       opts = {
         stiffness = 0.5,
         trailing_stiffness = 0.5,
-        damping = 0.67,
         matrix_pixel_threshold = 0.5,
       },
 <

lua/smear_cursor/config.lua

@@ -93,25 +93,25 @@ M.stiffness = 0.6
 
 -- How fast the smear's tail moves towards the target.
 -- 0: no movement, 1: instantaneous
-M.trailing_stiffness = 0.4
+M.trailing_stiffness = 0.45
 
 -- Initial velocity factor in the direction opposite to the target
 M.anticipation = 0.2
 
 -- Velocity reduction over time. O: no reduction, 1: full reduction
-M.damping = 0.65
+M.damping = 0.85
 
 -- Controls if middle points are closer to the head or the tail.
 -- < 1: closer to the tail, > 1: closer to the head
-M.trailing_exponent = 2
+M.trailing_exponent = 3
 
 -- Stop animating when the smear's tail is within this distance (in characters) from the target.
 M.distance_stop_animating = 0.1
 
 -- Set of parameters for insert mode
 M.stiffness_insert_mode = 0.5
 M.trailing_stiffness_insert_mode = 0.5
-M.damping_insert_mode = 0.7
+M.damping_insert_mode = 0.9
 M.trailing_exponent_insert_mode = 1
 M.distance_stop_animating_vertical_bar = 0.875 -- Can be decreased (e.g. to 0.1) if using legacy computing symbols