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NL3D::CMotionBlur Class ReferenceThis class help perfoming motion blur on a portion of the screen.
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#include <motion_blur.h>
List of all members.
Detailed Description
This class help perfoming motion blur on a portion of the screen.
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Author:
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Nicolas Vizerie , Nevrax France
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Date:
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2001
Definition at line 45 of file motion_blur.h.
Constructor & Destructor Documentation
| NL3D::CMotionBlur::CMotionBlur |
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Member Function Documentation
| void NL3D::CMotionBlur::performMotionBlur |
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IDriver * |
driver, |
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float |
motionBlurAmount |
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perform motion blur, using the given driver This can only have been called between a startMotionBlur / releaseMotionBlur pair.
It must be called after the scene has been drawn of course. WARNING : this change the projection matrix and the frustum in the driver. -
Parameters:
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| motionBlurAmount |
ranges from 0.f to 1.f. Blend using the following : motionBlurAmount * previous frame + (1 - motionBlurAmount) * current Frame buffer state |
Definition at line 62 of file motion_blur.cpp.
References _H, _Tex, _W, _X, _Y, height, nlassert, NLMISC::raiseToNextPowerOf2, and width. |
| void NL3D::CMotionBlur::releaseMotionBlur |
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| void NL3D::CMotionBlur::startMotionBlur |
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uint |
x, |
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uint |
y, |
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uint |
width, |
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uint |
height |
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Must be called before performing motion blur on a image sequence.
Motion blur is performed on a rectangular area. 2 calls -> nlassert. Once motion blur must be stopped, you must call releaseMotionBlur. -
Parameters:
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| x |
the x position of the top-left coener of the rectangle on which motion blur apply |
| y |
the y position of the top-left coener of the rectangle on which motion blur apply |
| width |
the width of the rectangle on which motion blur apply |
| height |
the height of the rectangle on which motion blur apply |
Definition at line 45 of file motion_blur.cpp.
References _H, _Tex, _W, _X, _Y, height, nlassert, width, x, and y. |
Member Data Documentation
uint NL3D::CMotionBlur::_H [protected]
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uint NL3D::CMotionBlur::_W [protected]
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uint NL3D::CMotionBlur::_X [protected]
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uint NL3D::CMotionBlur::_Y [protected]
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The documentation for this class was generated from the following files:
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