Several cases of s/decelerating from/decelerating to/.

The relevant easing curves all start out fast and end stationery; so
it's at the *end* that they attain zero "velocity", so they're
decelerating *to* zero, not from it.

Change-Id: I69874c46c8d42f185ff815295c4470a195cc43ae
Reviewed-by: Topi Reiniö <topi.reinio@digia.com>

2 files changed, 13 insertions, 13 deletions

diff --git a/src/3rdparty/easing/easing.cpp b/src/3rdparty/easing/easing.cpp
index 7d70a4d24b..04a59445e5 100644
--- a/src/3rdparty/easing/easing.cpp
+++ b/src/3rdparty/easing/easing.cpp
@@ -102,7 +102,7 @@ static qreal easeInCubic(qreal t)
 }
 
 /**
- * Easing equation function for a cubic (t^3) easing out: decelerating from zero velocity.
+ * Easing equation function for a cubic (t^3) easing out: decelerating to zero velocity.
  *
  * @param t		Current time (in frames or seconds).
  * @return		The correct value.
@@ -154,7 +154,7 @@ static qreal easeInQuart(qreal t)
 }
 
 /**
- * Easing equation function for a quartic (t^4) easing out: decelerating from zero velocity.
+ * Easing equation function for a quartic (t^4) easing out: decelerating to zero velocity.
  *
  * @param t		Current time (in frames or seconds).
  * @return		The correct value.
@@ -205,7 +205,7 @@ static qreal easeInQuint(qreal t)
 }
 
 /**
- * Easing equation function for a quintic (t^5) easing out: decelerating from zero velocity.
+ * Easing equation function for a quintic (t^5) easing out: decelerating to zero velocity.
  *
  * @param t		Current time (in frames or seconds).
  * @return		The correct value.
@@ -256,7 +256,7 @@ static qreal easeInSine(qreal t)
 }
 
 /**
- * Easing equation function for a sinusoidal (sin(t)) easing out: decelerating from zero velocity.
+ * Easing equation function for a sinusoidal (sin(t)) easing out: decelerating to zero velocity.
  *
  * @param t		Current time (in frames or seconds).
  * @return		The correct value.
@@ -301,7 +301,7 @@ static qreal easeInExpo(qreal t)
 }
 
 /**
- * Easing equation function for an exponential (2^t) easing out: decelerating from zero velocity.
+ * Easing equation function for an exponential (2^t) easing out: decelerating to zero velocity.
  *
  * @param t		Current time (in frames or seconds).
  * @return		The correct value.
@@ -350,7 +350,7 @@ static qreal easeInCirc(qreal t)
 }
 
 /**
- * Easing equation function for a circular (sqrt(1-t^2)) easing out: decelerating from zero velocity.
+ * Easing equation function for a circular (sqrt(1-t^2)) easing out: decelerating to zero velocity.
  *
  * @param t		Current time (in frames or seconds).
  * @return		The correct value.
@@ -438,7 +438,7 @@ static qreal easeOutElastic_helper(qreal t, qreal /*b*/, qreal c, qreal /*d*/, q
 }
 
 /**
- * Easing equation function for an elastic (exponentially decaying sine wave) easing out: decelerating from zero velocity.
+ * Easing equation function for an elastic (exponentially decaying sine wave) easing out: decelerating to zero velocity.
  *
  * @param t		Current time (in frames or seconds).
  * @param a		Amplitude.
@@ -503,7 +503,7 @@ static qreal easeInBack(qreal t, qreal s)
 }
 
 /**
- * Easing equation function for a back (overshooting cubic easing: (s+1)*t^3 - s*t^2) easing out: decelerating from zero velocity.
+ * Easing equation function for a back (overshooting cubic easing: (s+1)*t^3 - s*t^2) easing out: decelerating to zero velocity.
  *
  * @param t		Current time (in frames or seconds).
  * @param s		Overshoot ammount: higher s means greater overshoot (0 produces cubic easing with no overshoot, and the default value of 1.70158 produces an overshoot of 10 percent).
@@ -566,7 +566,7 @@ static qreal easeOutBounce_helper(qreal t, qreal c, qreal a)
 }
 
 /**
- * Easing equation function for a bounce (exponentially decaying parabolic bounce) easing out: decelerating from zero velocity.
+ * Easing equation function for a bounce (exponentially decaying parabolic bounce) easing out: decelerating to zero velocity.
  *
  * @param t		Current time (in frames or seconds).
  * @param a		Amplitude.
diff --git a/src/corelib/tools/qeasingcurve.cpp b/src/corelib/tools/qeasingcurve.cpp
index 22f5c65a40..012e6a95e8 100644
--- a/src/corelib/tools/qeasingcurve.cpp
+++ b/src/corelib/tools/qeasingcurve.cpp
@@ -170,7 +170,7 @@
     \value OutSine      \image qeasingcurve-outsine.png
                         \caption
                         Easing curve for a sinusoidal (sin(t)) function:
-                        decelerating from zero velocity.
+                        decelerating to zero velocity.
     \value InOutSine    \image qeasingcurve-inoutsine.png
                         \caption
                         Easing curve for a sinusoidal (sin(t)) function:
@@ -186,7 +186,7 @@
     \value OutExpo      \image qeasingcurve-outexpo.png
                         \caption
                         Easing curve for an exponential (2^t) function:
-                        decelerating from zero velocity.
+                        decelerating to zero velocity.
     \value InOutExpo    \image qeasingcurve-inoutexpo.png
                         \caption
                         Easing curve for an exponential (2^t) function:
@@ -202,7 +202,7 @@
     \value OutCirc      \image qeasingcurve-outcirc.png
                         \caption
                         Easing curve for a circular (sqrt(1-t^2)) function:
-                        decelerating from zero velocity.
+                        decelerating to zero velocity.
     \value InOutCirc    \image qeasingcurve-inoutcirc.png
                         \caption
                         Easing curve for a circular (sqrt(1-t^2)) function:
@@ -222,7 +222,7 @@
                         \caption
                         Easing curve for an elastic
                         (exponentially decaying sine wave) function:
-                        decelerating from zero velocity.  The peak amplitude
+                        decelerating to zero velocity.  The peak amplitude
                         can be set with the \e amplitude parameter, and the
                         period of decay by the \e period parameter.
     \value InOutElastic \image qeasingcurve-inoutelastic.png