本文整理汇总了C++中Matrixd::makeScale方法的典型用法代码示例。如果您正苦于以下问题：C++ Matrixd::makeScale方法的具体用法？C++ Matrixd::makeScale怎么用？C++ Matrixd::makeScale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Matrixd的用法示例。
在下文中一共展示了Matrixd::makeScale方法的2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: updateGridUnits
/***************************************************************
* Function: updateGridUnits()
***************************************************************/
void CAVEGroupEditGeodeWireframe::updateGridUnits(const float &gridUnitLegnth,
const float &gridUnitAngle, const float &gridUnitScale)
{
/* update 'Move' matrix transform wireframes */
unsigned int numMoveChildren = mMoveSwitch->getNumChildren();
if (numMoveChildren > 1)
{
Vec3 gridOffsetVect = Vec3(0, 0, 0);
if (mMoveSVect.x() > 0) gridOffsetVect = Vec3(gridUnitLegnth, 0, 0);
else if (mMoveSVect.x() < 0) gridOffsetVect = Vec3(-gridUnitLegnth, 0, 0);
else if (mMoveSVect.y() > 0) gridOffsetVect = Vec3(0, gridUnitLegnth, 0);
else if (mMoveSVect.y() < 0) gridOffsetVect = Vec3(0, -gridUnitLegnth, 0);
else if (mMoveSVect.z() > 0) gridOffsetVect = Vec3(0, 0, gridUnitLegnth);
else if (mMoveSVect.z() < 0) gridOffsetVect = Vec3(0, 0, -gridUnitLegnth);
for (int i = 0; i < numMoveChildren; i++)
{
Matrixd transMat;
transMat.makeTranslate(gridOffsetVect * i);
mMoveMatTransVector[i]->setMatrix(mBoundBoxScaleMat * mAccRootMat * transMat);
}
return;
}
/* update 'Rotate' matrix transform wireframes */
unsigned int numRotateChildren = mRotateSwitch->getNumChildren();
if (numRotateChildren > 1)
{
Vec3 gridRotationAxis = Vec3(0, 0, 1);
if (mRotateSVect.x() > 0) gridRotationAxis = Vec3(1, 0, 0);
else if (mRotateSVect.x() < 0) gridRotationAxis = Vec3(-1, 0, 0);
else if (mRotateSVect.y() > 0) gridRotationAxis = Vec3(0, 1, 0);
else if (mRotateSVect.y() < 0) gridRotationAxis = Vec3(0, -1, 0);
else if (mRotateSVect.z() > 0) gridRotationAxis = Vec3(0, 0, 1);
else if (mRotateSVect.z() < 0) gridRotationAxis = Vec3(0, 0, -1);
for (int i = 0; i < numRotateChildren; i++)
{
Matrixd rotMat;
rotMat.makeRotate(gridUnitAngle * i, gridRotationAxis);
mRotateMatTransVector[i]->setMatrix(mBoundSphereScaleMat * rotMat);
}
return;
}
/* update 'Scale' matrix transform wireframes */
unsigned int numScaleChildren = mManipulateSwitch->getNumChildren();
if (numScaleChildren > 1)
{
/* rewrite scaling vector */
mScaleUnitVect.x() = mScaleUnitVect.x() > 0 ? 1:0;
mScaleUnitVect.y() = mScaleUnitVect.y() > 0 ? 1:0;
mScaleUnitVect.z() = mScaleUnitVect.z() > 0 ? 1:0;
mScaleUnitVect *= gridUnitScale;
for (int i = 0; i < numScaleChildren; i++)
{
/* generate scaling vector with non-negative values */
Vec3 scaleVect = Vec3(1, 1, 1);
if (mScaleNumSegs > 0) scaleVect += mScaleUnitVect * i;
else scaleVect -= mScaleUnitVect * i;
scaleVect.x() = scaleVect.x() > 0 ? scaleVect.x() : 0;
scaleVect.y() = scaleVect.y() > 0 ? scaleVect.y() : 0;
scaleVect.z() = scaleVect.z() > 0 ? scaleVect.z() : 0;
Matrixd scaleMat;
scaleMat.makeScale(scaleVect);
mManipulateMatTransVector[i]->setMatrix(mBoundBoxScaleMat * mAccRootMat * scaleMat);
}
return;
}
}示例2: applyScaling
/***************************************************************
* Function: applyScaling()
*
* 'gridUnitScaleVect' is guranteed to be non-negative vector
*
***************************************************************/
void CAVEGroupEditGeodeWireframe::applyScaling( const short &nOffsetSegs, const Vec3 &gridUnitScaleVect,
const std::string &gridUnitScaleInfo)
{
mManipulateSwitch->setAllChildrenOn();
/* scale to other direction: clear all children of 'mManipulateSwitch' except child[0], rebuild offset tree */
if (mScaleNumSegs * nOffsetSegs <= 0)
{
unsigned int numChildren = mManipulateSwitch->getNumChildren();
if (numChildren > 1)
{
mManipulateSwitch->removeChildren(1, numChildren - 1);
MatrixTransVector::iterator itrMatTrans = mManipulateMatTransVector.begin();
mManipulateMatTransVector.erase(itrMatTrans + 1, itrMatTrans + numChildren);
}
mScaleNumSegs = 0;
}
/* decide unit offset vector and start/end index of children under 'mManipulateSwitch' */
short idxStart = 0, idxEnd = 0;
if (nOffsetSegs != 0)
{
idxStart = mScaleNumSegs;
idxEnd = nOffsetSegs;
}
idxStart = idxStart > 0 ? idxStart: -idxStart;
idxEnd = idxEnd > 0 ? idxEnd : -idxEnd;
/* update the first wireframe with global translation and rotation */
if (idxStart == 0) mManipulateMatTransVector[0]->setMatrix(mBoundBoxScaleMat * mAccRootMat);
/* create or remove a sequence of extra children under 'mMoveSwitch' */
if (idxStart < idxEnd)
{
for (short i = idxStart + 1; i <= idxEnd; i++)
{
/* generate scaling vector with non-negative values */
Vec3 scaleVect = Vec3(1, 1, 1);
if (nOffsetSegs > 0) scaleVect += gridUnitScaleVect * i;
else scaleVect -= gridUnitScaleVect * i;
scaleVect.x() = scaleVect.x() > 0 ? scaleVect.x() : 0;
scaleVect.y() = scaleVect.y() > 0 ? scaleVect.y() : 0;
scaleVect.z() = scaleVect.z() > 0 ? scaleVect.z() : 0;
Matrixd scaleMat;
scaleMat.makeScale(scaleVect);
MatrixTransform *scaleTrans = new MatrixTransform;
CAVEGeodeEditWireframeManipulate *manipulateGeode = new CAVEGeodeEditWireframeManipulate;
mManipulateSwitch->addChild(scaleTrans);
mManipulateMatTransVector.push_back(scaleTrans);
scaleTrans->addChild(manipulateGeode);
scaleTrans->setMatrix(mBoundBoxScaleMat * mAccRootMat * scaleMat);
}
}
else if (idxStart > idxEnd)
{
mManipulateSwitch->removeChildren(idxEnd + 1, idxStart - idxEnd);
MatrixTransVector::iterator itrMatTrans = mManipulateMatTransVector.begin();
itrMatTrans += idxEnd + 1;
mManipulateMatTransVector.erase(itrMatTrans, itrMatTrans + (idxStart - idxEnd));
}
mScaleNumSegs = nOffsetSegs;
mScaleUnitVect = gridUnitScaleVect;
if (!mPrimaryFlag) return;
/* update info text if 'this' wireframe is primary */
mEditInfoTextSwitch->setAllChildrenOn();
float scaleUnit = gridUnitScaleVect.x() > 0 ? gridUnitScaleVect.x() : gridUnitScaleVect.y();
scaleUnit = scaleUnit > 0 ? scaleUnit : gridUnitScaleVect.z();
char info[128];
float scaleval = scaleUnit * nOffsetSegs + 1.0f;
scaleval = scaleval > 0 ? scaleval:0;
sprintf(info, "Scale = %3.2f \nSnapping = ", scaleval);
mEditInfoText->setText(info + gridUnitScaleInfo);
}