21#include <QDomDocument>
23#include <Qt3DCore/QEntity>
24#include <Qt3DRender/QPointLight>
25#include <Qt3DExtras/QPhongMaterial>
26#include <Qt3DExtras/QSphereMesh>
40 Qt3DCore::QEntity *lightEntity =
new Qt3DCore::QEntity();
41 Qt3DCore::QTransform *lightTransform =
new Qt3DCore::QTransform;
42 lightTransform->setTranslation( QVector3D(
position().x(),
46 Qt3DRender::QPointLight *light =
new Qt3DRender::QPointLight;
47 light->setColor(
color() );
54 lightEntity->addComponent( light );
55 lightEntity->addComponent( lightTransform );
59 lightEntity->setParent( parent );
64 Qt3DCore::QEntity *originEntity =
new Qt3DCore::QEntity();
66 Qt3DCore::QTransform *trLightOriginCenter =
new Qt3DCore::QTransform;
67 trLightOriginCenter->setTranslation( lightTransform->translation() );
68 originEntity->addComponent( trLightOriginCenter );
70 Qt3DExtras::QPhongMaterial *materialLightOriginCenter =
new Qt3DExtras::QPhongMaterial;
71 materialLightOriginCenter->setAmbient(
color() );
72 originEntity->addComponent( materialLightOriginCenter );
74 Qt3DExtras::QSphereMesh *rendererLightOriginCenter =
new Qt3DExtras::QSphereMesh;
75 rendererLightOriginCenter->setRadius( 20 );
76 originEntity->addComponent( rendererLightOriginCenter );
78 originEntity->setEnabled(
true );
80 Qt3DCore::QEntity *groupEntity =
new Qt3DCore::QEntity( parent );
81 lightEntity->setParent( groupEntity );
82 originEntity->setParent( groupEntity );
83 groupEntity->setEnabled(
true );
90 QDomElement elemLight = doc.createElement( QStringLiteral(
"point-light" ) );
91 elemLight.setAttribute( QStringLiteral(
"x" ), mPosition.
x() );
92 elemLight.setAttribute( QStringLiteral(
"y" ), mPosition.
y() );
93 elemLight.setAttribute( QStringLiteral(
"z" ), mPosition.
z() );
95 elemLight.setAttribute( QStringLiteral(
"intensity" ), mIntensity );
96 elemLight.setAttribute( QStringLiteral(
"attenuation-0" ), mConstantAttenuation );
97 elemLight.setAttribute( QStringLiteral(
"attenuation-1" ), mLinearAttenuation );
98 elemLight.setAttribute( QStringLiteral(
"attenuation-2" ), mQuadraticAttenuation );
104 mPosition.
set( elem.attribute( QStringLiteral(
"x" ) ).toDouble(),
105 elem.attribute( QStringLiteral(
"y" ) ).toDouble(),
106 elem.attribute( QStringLiteral(
"z" ) ).toDouble() );
108 mIntensity = elem.attribute( QStringLiteral(
"intensity" ) ).toFloat();
109 mConstantAttenuation = elem.attribute( QStringLiteral(
"attenuation-0" ) ).toDouble();
110 mLinearAttenuation = elem.attribute( QStringLiteral(
"attenuation-1" ) ).toDouble();
111 mQuadraticAttenuation = elem.attribute( QStringLiteral(
"attenuation-2" ) ).toDouble();
116 return mPosition == other.mPosition && mColor == other.mColor && mIntensity == other.mIntensity &&
117 mConstantAttenuation == other.mConstantAttenuation && mLinearAttenuation == other.mLinearAttenuation &&
118 mQuadraticAttenuation == other.mQuadraticAttenuation;
LightSourceType
Light source types for 3D scenes.
@ Point
Point light source.
bool showLightSourceOrigins() const
Returns whether to show light source origins as a sphere (for debugging)
static QColor colorFromString(const QString &string)
Decodes a string into a color value.
static QString colorToString(const QColor &color)
Encodes a color into a string value.
QgsPointLightSettings()=default
Construct a point light with default values.
QDomElement writeXml(QDomDocument &doc, const QgsReadWriteContext &context=QgsReadWriteContext()) const override
Writes the light source's configuration to a new DOM element and returns it.
Qt3DCore::QEntity * createEntity(const Qgs3DMapSettings &map, Qt3DCore::QEntity *parent) const override
Creates an entity representing the light source.
float quadraticAttenuation() const
Returns quadratic attenuation (A_2)
QgsPointLightSettings * clone() const override
Returns a copy of the light source.
float linearAttenuation() const
Returns linear attenuation (A_1)
float intensity() const
Returns intensity of the light.
Qgis::LightSourceType type() const override
Returns the light source type.
void readXml(const QDomElement &elem, const QgsReadWriteContext &context=QgsReadWriteContext()) override
Reads configuration from a DOM element previously written using writeXml().
QgsVector3D position() const
Returns position of the light (in 3D world coordinates)
float constantAttenuation() const
Returns constant attenuation (A_0)
bool operator==(const QgsPointLightSettings &other)
QColor color() const
Returns color of the light.
The class is used as a container of context for various read/write operations on other objects.
double y() const
Returns Y coordinate.
double z() const
Returns Z coordinate.
double x() const
Returns X coordinate.
void set(double x, double y, double z)
Sets vector coordinates.