Rogue Wave Views Foundation Package API Reference Guide |
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Point Light. More...
#include <ilviews/bitmaps/filters/lights.h>
Public Member Functions | |
IlvPointLight (IlFloat x=0.0, IlFloat y=0.0, IlFloat z=0.0, IlFloat r=1.0, IlFloat g=1.0, IlFloat b=1.0) | |
Constructor. More... | |
void | getLightVector (IlFloat x, IlFloat y, IlFloat z, IlFloat *result) |
Returns the vector from this instance to a given point in 3D space. More... | |
IlFloat | getX () const |
Returns the x coordinate. More... | |
virtual void | getXYZ (IlFloat &x, IlFloat &y, IlFloat &z) const |
Returns the position. More... | |
IlFloat | getY () const |
Returns the y coordinate. More... | |
IlFloat | getZ () const |
Returns the z coordinate. More... | |
void | setX (IlFloat x) |
Sets the x coordinate. More... | |
virtual void | setXYZ (IlFloat x, IlFloat y, IlFloat z) |
Sets the position. More... | |
void | setY (IlFloat y) |
Sets the y coordinate. More... | |
void | setZ (IlFloat z) |
Sets the z coordinate. More... | |
void | update () |
Called when the instance needs internal updating. | |
Public Member Functions inherited from IlvLightSource | |
IlvLightSource (IlFloat r=1.0, IlFloat g=1.0, IlFloat b=1.0) | |
Constructor. More... | |
virtual | ~IlvLightSource () |
Destructor. More... | |
IlFloat | getB () const |
Returns the blue component value. More... | |
IlFloat | getG () const |
Returns the green component value. More... | |
IlFloat | getR () const |
Returns the red component value. More... | |
void | setB (IlFloat b) |
Sets the blue component value. More... | |
void | setG (IlFloat g) |
Sets the green component value. More... | |
void | setR (IlFloat r) |
Sets the red component value. More... | |
Public Member Functions inherited from IlvValueInterface | |
virtual IlBoolean | applyValue (const IlvValue &value) |
Apply an accessor. More... | |
virtual IlBoolean | changeValue (const IlvValue &val) |
Changes the value of an accessor. More... | |
virtual IlBoolean | changeValues (const IlvValue *values, IlUShort count=0) |
Changes several accessor values simultaneously. More... | |
virtual void | getAccessors (const IlSymbol *const **names, const IlvValueTypeClass *const **types, IlUInt &count) const |
Retrieves the list of available accessors of an object. More... | |
virtual const char * | getName () const |
Returns the name of the instance. The semantic and implementation of this method are defined by concrete subclasses. The default implementation returns 0 . More... | |
virtual IlvValue & | queryValue (IlvValue &val) const |
Retrieves an accessor value. More... | |
virtual void | queryValues (IlvValue *values, IlUShort count) const |
Retrieves multiple accessor values simultaneously. More... | |
Point Light.
Library: ilvbmpflt
This class allows you to model a positional light using three coordinates.
IlvPointLight::IlvPointLight | ( | IlFloat | x = 0.0 , |
IlFloat | y = 0.0 , |
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IlFloat | z = 0.0 , |
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IlFloat | r = 1.0 , |
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IlFloat | g = 1.0 , |
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IlFloat | b = 1.0 |
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) |
Constructor.
Initializes a new instance of the class IlvDistantLight
.
The default position is <0,0,0>
. The default light color is white.
Returns the vector from this instance to a given point in 3D space.
x | The x position of the point. |
y | The y position of the point. |
z | The z position of the point. |
result | An array of 3 floating point values that will hold the vector. |
Reimplemented from IlvLightSource.
Reimplemented in IlvSpotLight.
IlFloat IlvPointLight::getX | ( | ) | const |
Returns the x coordinate.
Returns the position.
x | The x coordinate. |
y | The y coordinate. |
z | The z coordinate. |
IlFloat IlvPointLight::getY | ( | ) | const |
Returns the y coordinate.
IlFloat IlvPointLight::getZ | ( | ) | const |
Returns the z coordinate.
void IlvPointLight::setX | ( | IlFloat | x | ) |
Sets the x coordinate.
x | The new x coordinate. |
Sets the position.
x | The x coordinate. |
y | The y coordinate. |
z | The z coordinate. |
void IlvPointLight::setY | ( | IlFloat | y | ) |
Sets the y coordinate.
y | The new y coordinate. |
void IlvPointLight::setZ | ( | IlFloat | z | ) |
Sets the z coordinate.
z | The new z coordinate. |
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