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Static Public Member Functions | Static Private Member Functions | List of all members
AnimationHelper Class Reference

Static Public Member Functions

template<typename Scalar >
static float approximateCubicBezierParameter (Scalar _atX, Scalar _P0X, Scalar _P1X, Scalar _C0X, Scalar _C1X)
 Approximates the parameter value for a Bezier curve to get a certain x value Does an iterative DeCasteljau search for the correct value. More...
 
template<typename Scalar >
static std::vector< Scalar > evaluateBezier (float at, std::vector< Scalar > _P0, std::vector< Scalar > _P1, std::vector< Scalar > _C0, std::vector< Scalar > _C1)
 Evaluates the cubic Bezier curve parameterized by P0, P1, C0 and C1 at the parameter value "at". More...
 

Static Private Member Functions

template<typename Scalar >
static Scalar clampTo01Interval (Scalar _value)
 
template<typename Scalar >
static Scalar abs (Scalar _value)
 

Detailed Description

Definition at line 46 of file AnimationHelper.hh.

Member Function Documentation

◆ abs()

template<typename Scalar >
Scalar AnimationHelper::abs ( Scalar  _value)
staticprivate

Definition at line 65 of file AnimationHelper.cc.

◆ approximateCubicBezierParameter()

template<typename Scalar >
float AnimationHelper::approximateCubicBezierParameter ( Scalar  _atX,
Scalar  _P0X,
Scalar  _P1X,
Scalar  _C0X,
Scalar  _C1X 
)
static

Approximates the parameter value for a Bezier curve to get a certain x value Does an iterative DeCasteljau search for the correct value.

^ | C0-------------------------—C1
| / \
| / \
| / \
| P0 P1 |
+---------------—atX---------------------------------—>

Parameters
_atXThe X value that the parameter value should be found for
_P0XThe X value of the first key point
_P1XThe X value of the second key point
_C0XThe X value of the first control point
_C1XThe X value of the second control point
Returns
The parameter value that has to be used to get the specified X value

Definition at line 73 of file AnimationHelper.cc.

◆ clampTo01Interval()

template<typename Scalar >
Scalar AnimationHelper::clampTo01Interval ( Scalar  _value)
staticprivate

Definition at line 55 of file AnimationHelper.cc.

◆ evaluateBezier()

template<typename Scalar >
std::vector< Scalar > AnimationHelper::evaluateBezier ( float  at,
std::vector< Scalar >  _P0,
std::vector< Scalar >  _P1,
std::vector< Scalar >  _C0,
std::vector< Scalar >  _C1 
)
static

Evaluates the cubic Bezier curve parameterized by P0, P1, C0 and C1 at the parameter value "at".

Definition at line 116 of file AnimationHelper.cc.

The documentation for this class was generated from the following files: