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From Cedric Pinson, updates toosgAnimation.

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Merged by Robert Osfield, from OpenSceneGraph-osgWidget-dev.
This commit is contained in:
Robert Osfield
2008-11-28 14:34:38 +00:00
parent 37682c6668
commit d3b2d9b074
6 changed files with 112 additions and 27 deletions
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58
include/osgAnimation/EaseMotion
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@@ -17,11 +17,6 @@
namespace osgAnimation {
struct LinearFunction
{
inline static void getValueAt(float t, float& result) { result = t;}
};
struct OutBounceFunction
{
@@ -75,7 +70,15 @@ namespace osgAnimation {
}
};
/// Linear function
struct LinearFunction
{
inline static void getValueAt(float t, float& result) { result = t;}
};
/// Quad function
struct OutQuadFunction
{
inline static void getValueAt(float t, float& result) { result = - (t * (t -2.0));}
@@ -101,6 +104,7 @@ namespace osgAnimation {
};
/// Cubic function
struct OutCubicFunction
{
inline static void getValueAt(float t, float& result) { t = t-1.0; result = t*t*t + 1;}
@@ -123,6 +127,35 @@ namespace osgAnimation {
}
};
/// Quart function
struct InQuartFunction
{
inline static void getValueAt(float t, float& result) { result = t*t*t*t*t;}
};
struct OutQuartFunction
{
inline static void getValueAt(float t, float& result) { t = t - 1; result = - (t*t*t*t -1); }
};
struct InOutQuartFunction
{
inline static void getValueAt(float t, float& result)
{
t = t * 2.0;
if ( t < 1)
result = 0.5*t*t*t*t;
else
{
t -= 2.0;
result = -0.5 * (t*t*t*t -2);
}
}
};
class Motion
{
public:
@@ -185,6 +218,7 @@ namespace osgAnimation {
};
template <typename T>
struct MathMotionTemplate : public Motion
{
@@ -217,15 +251,21 @@ namespace osgAnimation {
// linear
typedef MathMotionTemplate<LinearFunction > LinearMotion;
// quad
typedef MathMotionTemplate<OutQuadFunction > OutQuadMotion;
typedef MathMotionTemplate<InQuadFunction> InQuadMotion;
typedef MathMotionTemplate<InOutQuadFunction> InOutQuadMotion;
// cubic
typedef MathMotionTemplate<OutCubicFunction > OutCubicMotion;
typedef MathMotionTemplate<InCubicFunction> InCubicMotion;
typedef MathMotionTemplate<InOutCubicFunction> InOutCubicMotion;
// quad
typedef MathMotionTemplate<OutQuadFunction > OutQuadMotion;
typedef MathMotionTemplate<InQuadFunction> InQuadMotion;
typedef MathMotionTemplate<InOutQuadFunction> InOutQuadMotion;
// quart
typedef MathMotionTemplate<OutQuartFunction > OutQuartMotion;
typedef MathMotionTemplate<InQuartFunction> InQuartMotion;
typedef MathMotionTemplate<InOutQuartFunction> InOutQuartMotion;
// bounce
typedef MathMotionTemplate<OutBounceFunction > OutBounceMotion;