A light source, with controllable intensity, color, etc. More...
#include <LightSource.h>
Public Member Functions | |
| LightSource (SceneManager *sceneManager, const char *initID) | |
| void | setVisible (int visibilityFlag) |
| void | setCutoff (float cutoff) |
| void | setExponent (float exponent) |
| void | setAttenuation (float attenuation) |
| void | setAmbient (float red, float green, float blue, float alpha) |
| void | setDiffuse (float red, float green, float blue, float alpha) |
| void | setSpecular (float red, float green, float blue, float alpha) |
| int | getVisible () const |
| float | getCutoff () const |
| float | getExponent () const |
| float | getAttenuation () const |
| osg::Vec4 | getAmbient () const |
| osg::Vec4 | getDiffuse () const |
| osg::Vec4 | getSpecular () const |
| virtual std::vector< lo_message > | getState () const |
Detailed Description
A light source, with controllable intensity, color, etc.
Note that only 8 light sources are available.
Member Function Documentation
| osg::Vec4 spin::LightSource::getAmbient | ( | ) | const |
Returns the ambient value of the light source in RGBA.
| osg::Vec4 spin::LightSource::getDiffuse | ( | ) | const |
Returns the diffuse value of the light source in RGBA.
| osg::Vec4 spin::LightSource::getSpecular | ( | ) | const |
Returns the specular value of the light source in RGBA.
| std::vector< lo_message > spin::LightSource::getState | ( | ) | const [virtual] |
For each subclass of ReferencedNode, we override the getState() method to fill the vector with the correct set of methods for this particular node
Reimplemented from spin::GroupNode.
| int spin::LightSource::getVisible | ( | ) | const |
Returns a boolean indicating whether the light source is visible.
| void spin::LightSource::setAmbient | ( | float | red, |
| float | green, | ||
| float | blue, | ||
| float | alpha | ||
| ) |
Sets the ambient value for the light source in RGBA.
| void spin::LightSource::setAttenuation | ( | float | attenuation | ) |
The attenuation parameter controls the amount of attenuation that occurs, as a light moves away from a surface. A value of 0 means no attenuation, so light intensity will be the same for any distance. A value of 1 means full linear attenuation.
| void spin::LightSource::setCutoff | ( | float | cutoff | ) |
Cutoff is an angle (in degrees), measured from the center of the cone to the outer edge. 0 would give us a single laser-point, while 90 degrees will give us a hemisphere of light. Note that 0 is the min, and 90 is the max, but a special value of 180 degrees will turn the spotlight into an omnidirectional light.
| void spin::LightSource::setDiffuse | ( | float | red, |
| float | green, | ||
| float | blue, | ||
| float | alpha | ||
| ) |
Sets the diffuse value for the light source in RGBA.
| void spin::LightSource::setExponent | ( | float | exponent | ) |
This value defines the intensity of the light towards the edges of the cone. As objects move from the center of the spotlight to the edges, we have the option of attenuating the intensity of the light on the surface of the objects
| void spin::LightSource::setSpecular | ( | float | red, |
| float | green, | ||
| float | blue, | ||
| float | alpha | ||
| ) |
Sets the specular value for the light source in RGBA.
| void spin::LightSource::setVisible | ( | int | visibilityFlag | ) |
Set whether the light source is visible.
The documentation for this class was generated from the following files:
- include/LightSource.h
- src/spin/LightSource.cpp
