C++ (Cpp) transformVector3f Exemples

Exemple #1

Fichier : BoundingBox.cpp Projet : Ayutac/GeoIks4

BoundingBox3f transformBoundingBox(const Matrix4f &transformation, const BoundingBox3f &boundingBox) {
   Vector3f v[8];
   v[0] = makeVector3f(boundingBox.lowerCorner[0], boundingBox.lowerCorner[1], boundingBox.lowerCorner[2]);
   v[1] = makeVector3f(boundingBox.lowerCorner[0], boundingBox.lowerCorner[1], boundingBox.upperCorner[2]);
   v[2] = makeVector3f(boundingBox.lowerCorner[0], boundingBox.upperCorner[1], boundingBox.lowerCorner[2]);
   v[3] = makeVector3f(boundingBox.lowerCorner[0], boundingBox.upperCorner[1], boundingBox.upperCorner[2]);
   v[4] = makeVector3f(boundingBox.upperCorner[0], boundingBox.lowerCorner[1], boundingBox.lowerCorner[2]);
   v[5] = makeVector3f(boundingBox.upperCorner[0], boundingBox.lowerCorner[1], boundingBox.upperCorner[2]);
   v[6] = makeVector3f(boundingBox.upperCorner[0], boundingBox.upperCorner[1], boundingBox.lowerCorner[2]);
   v[7] = makeVector3f(boundingBox.upperCorner[0], boundingBox.upperCorner[1], boundingBox.upperCorner[2]);
   Vector3f p = transformVector3f(transformation, v[0]);
   BoundingBox3f result(p);
   for (int i=1; i<8; i++) {
      result.addPoint(transformVector3f(transformation, v[i]));
   }
   return result;
}

Exemple #2

Fichier : Camera.cpp Projet : AmirhosseinKardoost/Geometric-Modeling-2015

void Camera::transformCamera(const Matrix4f &inverseTransformation) {
   Vector3f nViewPoint = transformVector3f(inverseTransformation, position);
   Vector3f nLookAt    = transformVector3f(inverseTransformation, lookAt);
   Vector3f nUp        = transformVector3f(inverseTransformation, position + up) - nViewPoint;
   setup(nViewPoint, nLookAt, nUp);
}