smoothie 0.4 → 0.4.0.1

raw patch · 3 files changed

+12/−5 lines, 3 files

Files

CHANGELOG.md +4/−0
smoothie.cabal +1/−2
src/Data/Spline/Key.hs +7/−3

CHANGELOG.md view

@@ -1,3 +1,7 @@+## 0.4.0.1++- Fixed Bézier interpolation.+ ## 0.4  ### Breaking changes

smoothie.cabal view

@@ -1,5 +1,5 @@ name:                smoothie
-version:             0.4+version:             0.4.0.1 synopsis:            Smooth curves via several interpolation modes
 description:         This package exports several splines you can use                      to interpolate points in between. It includes instances for
@@ -19,7 +19,6 @@ data-files:  CHANGELOG.md
 
 library
-
   ghc-options:         -W -Wall -O2 -funbox-strict-fields
 
   default-extensions:  DeriveFoldable

src/Data/Spline/Key.hs view

@@ -121,10 +121,14 @@                   -> a s                   -> a s                   -> a s-interpolateBezier s k0 r0 l1 k1 = (u ^+^ v) ^* s+interpolateBezier s k0 r0 l1 k1 =+    k0 ^* ms3 ^+^ r0 ^* (3 * ms2 * s) ^+^ l1 ^* (3 * ms * s2) ^+^ k1 ^* s3   where-    u = k0 ^+^ (r0 ^-^ k0) ^* s-    v = l1 ^+^ (k1 ^-^ l1) ^* s+    ms = 1 - s+    ms2 = ms * ms+    ms3 = ms2 * ms+    s2 = s * s+    s3 = s2 * s  -- |Normalize a sampling value by clamping and scaling it between two 'Key's. --