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2.8 branch: backport of osgAnimation from svn head 11026.

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This commit is contained in:
Paul MARTZ
2010-03-13 20:55:16 +00:00
parent 15fd3bdcc2
commit 38e68ed7f1
84 changed files with 6677 additions and 1331 deletions
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52
include/osgAnimation/Interpolator
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@@ -1,5 +1,5 @@
/* -*-c++-*-
* Copyright (C) 2008 Cedric Pinson <mornifle@plopbyte.net>
* Copyright (C) 2008 Cedric Pinson <cedric.pinson@plopbyte.net>
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
@@ -10,13 +10,16 @@
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
*
* Authors:
* Cedric Pinson <cedric.pinson@plopbyte.net>
* Michael Platings <mplatings@pixelpower.com>
*/
#ifndef OSGANIMATION_INTERPOLATOR_H
#define OSGANIMATION_INTERPOLATOR_H
#ifndef OSGANIMATION_INTERPOLATOR
#define OSGANIMATION_INTERPOLATOR 1
#include <osg/Notify>
#include <osgAnimation/Interpolator>
#include <osgAnimation/Keyframe>
namespace osgAnimation
@@ -61,6 +64,32 @@ namespace osgAnimation
};
template <class TYPE, class KEY=TYPE>
class TemplateStepInterpolator : public TemplateInterpolatorBase<TYPE,KEY>
{
public:
TemplateStepInterpolator() {}
void getValue(const TemplateKeyframeContainer<KEY>& keyframes, float time, TYPE& result) const
{
if (time >= keyframes.back().getTime())
{
result = keyframes.back().getValue();
return;
}
else if (time <= keyframes.front().getTime())
{
result = keyframes.front().getValue();
return;
}
int i = getKeyIndexFromTime(keyframes,time);
result = keyframes[i].getValue();
}
};
template <class TYPE, class KEY=TYPE>
class TemplateLinearInterpolator : public TemplateInterpolatorBase<TYPE,KEY>
{
@@ -176,14 +205,22 @@ namespace osgAnimation
float t2 = t * t;
TYPE v0 = keyframes[i].getValue().getPosition() * one_minus_t3;
TYPE v1 = keyframes[i].getValue().getTangentPoint1() * (3.0 * t * one_minus_t2);
TYPE v2 = keyframes[i].getValue().getTangentPoint2() * (3.0 * t2 * one_minus_t);
TYPE v1 = keyframes[i].getValue().getControlPointIn() * (3.0 * t * one_minus_t2);
TYPE v2 = keyframes[i].getValue().getControlPointOut() * (3.0 * t2 * one_minus_t);
TYPE v3 = keyframes[i+1].getValue().getPosition() * (t2 * t);
result = v0 + v1 + v2 + v3;
}
};
typedef TemplateStepInterpolator<double, double> DoubleStepInterpolator;
typedef TemplateStepInterpolator<float, float> FloatStepInterpolator;
typedef TemplateStepInterpolator<osg::Vec2, osg::Vec2> Vec2StepInterpolator;
typedef TemplateStepInterpolator<osg::Vec3, osg::Vec3> Vec3StepInterpolator;
typedef TemplateStepInterpolator<osg::Vec3, Vec3Packed> Vec3PackedStepInterpolator;
typedef TemplateStepInterpolator<osg::Vec4, osg::Vec4> Vec4StepInterpolator;
typedef TemplateStepInterpolator<osg::Quat, osg::Quat> QuatStepInterpolator;
typedef TemplateLinearInterpolator<double, double> DoubleLinearInterpolator;
typedef TemplateLinearInterpolator<float, float> FloatLinearInterpolator;
typedef TemplateLinearInterpolator<osg::Vec2, osg::Vec2> Vec2LinearInterpolator;
@@ -191,6 +228,7 @@ namespace osgAnimation
typedef TemplateLinearInterpolator<osg::Vec3, Vec3Packed> Vec3PackedLinearInterpolator;
typedef TemplateLinearInterpolator<osg::Vec4, osg::Vec4> Vec4LinearInterpolator;
typedef TemplateSphericalLinearInterpolator<osg::Quat, osg::Quat> QuatSphericalLinearInterpolator;
typedef TemplateLinearInterpolator<osg::Matrixf, osg::Matrixf> MatrixLinearInterpolator;
typedef TemplateCubicBezierInterpolator<float, FloatCubicBezier > FloatCubicBezierInterpolator;
typedef TemplateCubicBezierInterpolator<double, DoubleCubicBezier> DoubleCubicBezierInterpolator;