本文整理汇总了C++中tgStructure::addRotation方法的典型用法代码示例。如果您正苦于以下问题：C++ tgStructure::addRotation方法的具体用法？C++ tgStructure::addRotation怎么用？C++ tgStructure::addRotation使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类tgStructure的用法示例。
在下文中一共展示了tgStructure::addRotation方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: rotateAndTranslate
/// @todo should use a best fit transformation from one set of points to another
void TensegrityModel::rotateAndTranslate(tgStructure& childStructure2,
std::vector<btVector3>& structure1RefNodes, std::vector<btVector3>& structure2RefNodes) {
btVector3 structure1RefNodesCentroid = tgUtil::getCentroid(structure1RefNodes);
btVector3 structure2RefNodesCentroid = tgUtil::getCentroid(structure2RefNodes);
btVector3 structure1PlaneNormal = ((structure1RefNodes[1] - structure1RefNodes[0]).
cross(structure1RefNodes[2] - structure1RefNodes[0])).normalize();
btVector3 structure2PlaneNormal = ((structure2RefNodes[1] - structure2RefNodes[0]).
cross(structure2RefNodes[2] - structure2RefNodes[0])).normalize();
// rotate structure 2 to align normals
btVector3 fallBackAxis = (structure2RefNodes[1] - structure2RefNodes[0]).normalize();
childStructure2.addRotation(structure2RefNodesCentroid,
tgUtil::getQuaternionBetween(structure2PlaneNormal, structure1PlaneNormal, fallBackAxis));
// rotate structure 2 ref nodes
tgUtil::addRotation(structure2RefNodes[0], structure2RefNodesCentroid,
tgUtil::getQuaternionBetween(structure2PlaneNormal, structure1PlaneNormal, fallBackAxis));
tgUtil::addRotation(structure2RefNodesCentroid, structure2RefNodesCentroid,
tgUtil::getQuaternionBetween(structure2PlaneNormal, structure1PlaneNormal, fallBackAxis));
// translate structure 2 to match up centroid points
childStructure2.move(structure1RefNodesCentroid - structure2RefNodesCentroid);
// translate structure 2 ref nodes
structure2RefNodes[0] += structure1RefNodesCentroid - structure2RefNodesCentroid;
structure2RefNodesCentroid += structure1RefNodesCentroid - structure2RefNodesCentroid;
// rotate structure 2 around structure1PlaneNormal axis to match up node with edge midpoints
childStructure2.addRotation(structure1RefNodesCentroid,
tgUtil::getQuaternionBetween(structure2RefNodes[0] - structure1RefNodesCentroid,
structure1RefNodes[0] - structure1RefNodesCentroid, structure1PlaneNormal));
}示例2: addChildRotation
void TensegrityModel::addChildRotation(tgStructure& childStructure, const Yam& rotation) {
if (!rotation) return;
Yam reference = rotation["reference"];
Yam axis = rotation["axis"];
Yam angle = rotation["angle"];
if (axis && angle) {
double axisX = axis[0].as<double>();
double axisY = axis[1].as<double>();
double axisZ = axis[2].as<double>();
btVector3 axisVector = btVector3(axisX, axisY, axisZ);
double angleDegrees = angle.as<double>();
double angleRadians = tgUtil::deg2rad(angleDegrees);
btVector3 referenceVector;
if (reference) {
// rotate child around provided reference point
double referenceX = reference[0].as<double>();
double referenceY = reference[1].as<double>();
double referenceZ = reference[2].as<double>();
referenceVector = btVector3(referenceX, referenceY, referenceZ);
}
else {
// rotate child around structure's centroid
referenceVector = childStructure.getCentroid();
}
childStructure.addRotation(referenceVector, axisVector, angleRadians);
}
}示例3: addNodes
// Nodes: center points of opposing faces of rectangles
void CraterDeep::addNodes(tgStructure& s) {
const int nBoxes = 4;
// Accumulating rotation on boxes
btVector3 rotationPoint = origin;
btVector3 rotationAxis = btVector3(0, 1, 0); // y-axis
double rotationAngle = M_PI/2;
addBoxNodes();
addBoxNodes();
addBoxNodes();
addBoxNodes();
for(int i=0;i<nodes.size();i+=2) {
s.addNode(nodes[i]);
s.addNode(nodes[i+1]);
s.addRotation(rotationPoint, rotationAxis, rotationAngle);
s.addPair(i, i+1, "box");
}
s.move(btVector3(0, -5, 0)); // Sink boxes into the ground
}示例4: addNodes
// Nodes: center points of opposing faces of rectangles
void tgCraterDeep::addNodes(tgStructure& s) {
#if (0)
const int nBoxes = 4;
#endif // Suppress compiler warning unused variable
// Accumulating rotation on boxes
btVector3 rotationPoint = origin;
btVector3 rotationAxis = btVector3(0, 1, 0); // y-axis
double rotationAngle = M_PI/2;
addBoxNodes();
addBoxNodes();
addBoxNodes();
addBoxNodes();
for(std::size_t i=0;i<nodes.size();i+=2) {
s.addNode(nodes[i]);
s.addNode(nodes[i+1]);
s.addRotation(rotationPoint, rotationAxis, rotationAngle);
s.addPair(i, i+1, "box");
}
s.move(btVector3(0, -5, 0)); // Sink boxes into the ground
}