本文整理汇总了C++中Matrix3f::MakeRotation方法的典型用法代码示例。如果您正苦于以下问题：C++ Matrix3f::MakeRotation方法的具体用法？C++ Matrix3f::MakeRotation怎么用？C++ Matrix3f::MakeRotation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Matrix3f的用法示例。
在下文中一共展示了Matrix3f::MakeRotation方法的1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: OnSpecialKeyDown
//----------------------------------------------------------------------------
bool DrawImplicitSurface::OnSpecialKeyDown (int key, int, int)
{
// TODO: These are chosen for the specific functions in this
// application. Allow the application to modify these, either by key
// strokes or automatically.
const float trnDelta = 0.25f, rotDelta = 0.1f;
bool moved = false;
float length;
Matrix3f rot;
if (key == KEY_UP_ARROW)
{
// Translate forward in camera direction.
mTracer.Location += trnDelta*mTracer.DVector;
moved = true;
}
else if (key == KEY_DOWN_ARROW)
{
// Translate backward in camera direction.
mTracer.Location -= trnDelta*mTracer.DVector;
moved = true;
}
else if (key == KEY_F1)
{
// Rotate about camera right, move up on view sphere.
length = mTracer.Location.Length();
rot.MakeRotation(mTracer.RVector, rotDelta);
mTracer.DVector = rot*mTracer.DVector;
mTracer.UVector = rot*mTracer.UVector;
mTracer.Location = -length*mTracer.DVector;
moved = true;
}
else if (key == KEY_F2)
{
// Rotate about camera right, move down on view sphere.
length = mTracer.Location.Length();
rot.MakeRotation(mTracer.RVector, -rotDelta);
mTracer.DVector = rot*mTracer.DVector;
mTracer.UVector = rot*mTracer.UVector;
mTracer.Location = -length*mTracer.DVector;
moved = true;
}
else if (key == KEY_F3)
{
// Rotate about camera up, move right on view sphere.
length = mTracer.Location.Length();
rot.MakeRotation(mTracer.UVector, rotDelta);
mTracer.DVector = rot*mTracer.DVector;
mTracer.RVector = rot*mTracer.RVector;
mTracer.Location = -length*mTracer.DVector;
moved = true;
}
else if (key == KEY_F4)
{
// Rotate about camera up, move left on view sphere.
length = mTracer.Location.Length();
rot.MakeRotation(mTracer.UVector, -rotDelta);
mTracer.DVector = rot*mTracer.DVector;
mTracer.RVector = rot*mTracer.RVector;
mTracer.Location = -length*mTracer.DVector;
moved = true;
}
else if (key == KEY_F5)
{
// Rotate about camera direction, roll counterclockwise.
length = mTracer.Location.Length();
rot.MakeRotation(mTracer.DVector, rotDelta);
mTracer.UVector = rot*mTracer.UVector;
mTracer.RVector = rot*mTracer.RVector;
moved = true;
}
else if (key == KEY_F6)
{
// Rotate about camera direction, roll clockwise.
length = mTracer.Location.Length();
rot.MakeRotation(mTracer.DVector, -rotDelta);
mTracer.UVector = rot*mTracer.UVector;
mTracer.RVector = rot*mTracer.RVector;
moved = true;
}
if (moved)
{
mTracer.DrawSurface(mNumSamples, mTracer.DVector, mBlur);
OnDisplay();
}
return true;
}