Lines Matching refs:paintingData
44 void SpotLightSource::initPaintingData(PaintingData& paintingData)
46 paintingData.privateColorVector = paintingData.colorVector;
47 paintingData.directionVector.setX(m_direction.x() - m_position.x());
48 paintingData.directionVector.setY(m_direction.y() - m_position.y());
49 paintingData.directionVector.setZ(m_direction.z() - m_position.z());
50 paintingData.directionVector.normalize();
53 paintingData.coneCutOffLimit = 0.0f;
54 paintingData.coneFullLight = -antiAliasTreshold;
61 paintingData.coneCutOffLimit = cosf(deg2rad(180.0f - limitingConeAngle));
62 paintingData.coneFullLight = paintingData.coneCutOffLimit - antiAliasTreshold;
67 paintingData.specularExponent = 0;
69 paintingData.specularExponent = 1;
71 paintingData.specularExponent = 2;
74 void SpotLightSource::updatePaintingData(PaintingData& paintingData, int x, int y, float z)
76 paintingData.lightVector.setX(m_position.x() - x);
77 paintingData.lightVector.setY(m_position.y() - y);
78 paintingData.lightVector.setZ(m_position.z() - z);
79 paintingData.lightVectorLength = paintingData.lightVector.length();
81 float cosineOfAngle = (paintingData.lightVector * paintingData.directionVector) / paintingData.lightVectorLength;
82 if (cosineOfAngle > paintingData.coneCutOffLimit) {
84 paintingData.colorVector.setX(0.0f);
85 paintingData.colorVector.setY(0.0f);
86 paintingData.colorVector.setZ(0.0f);
92 switch (paintingData.specularExponent) {
104 if (cosineOfAngle > paintingData.coneFullLight)
105 lightStrength *= (paintingData.coneCutOffLimit - cosineOfAngle) / (paintingData.coneCutOffLimit - paintingData.coneFullLight);
110 paintingData.colorVector.setX(paintingData.privateColorVector.x() * lightStrength);
111 paintingData.colorVector.setY(paintingData.privateColorVector.y() * lightStrength);
112 paintingData.colorVector.setZ(paintingData.privateColorVector.z() * lightStrength);
