本文整理汇总了C++中Matrix3x3::getColumn方法的典型用法代码示例。如果您正苦于以下问题：C++ Matrix3x3::getColumn方法的具体用法？C++ Matrix3x3::getColumn怎么用？C++ Matrix3x3::getColumn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Matrix3x3的用法示例。
在下文中一共展示了Matrix3x3::getColumn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: setRotation
void Node::setRotation( const Matrix3x3& rotation )
{
assert( rotation.getColumn(0).finite() );
assert( rotation.getColumn(1).finite() );
assert( rotation.getColumn(2).finite() );
assert( ( rotation.getColumn(0).cross(rotation.getColumn(1)) ).dot( rotation.getColumn(2) ) > 0.f ); // Left handed coordinate system?
m_localTransform.setRotation( rotation );
m_flags |= NODE_WORLDTMDIRTY;
}示例2: getSquaredScale
/** Returns maximum column length squared. */
static Vector3 getSquaredScale( const Matrix3x3& m )
{
Vector3 scalev;
for ( int i = 0 ; i < 3 ; ++i )
{
float lensqr = m.getColumn(i).lengthSquared();
scalev[i] = lensqr;
}
return scalev;
}示例3: resampleRotationKeys
/**
* Resamples animation until maximum error is smaller than specified angle (radians).
* @param maxErr Maximum absolute error (radians).
*/
static void resampleRotationKeys( KeyFrameContainer& anim, Interval range, float maxErr, const Vector<Matrix4x4>& tm )
{
TimeValue dticks = SGEXPORT_TICKS_PER_SAMPLE;
int frame = range.Start() / dticks;
require( frame >= 0 && frame < tm.size() );
TimeValue rangeLen = (range.Duration()/SGEXPORT_TICKS_PER_SAMPLE)*SGEXPORT_TICKS_PER_SAMPLE;
for ( TimeValue ticks = range.Start() ; ticks < range.End() ; ticks += dticks )
{
if ( ticks > range.End() )
ticks = range.End();
// find out error (distance) between real and sampled animation
require( frame >= 0 && frame < tm.size() );
const Matrix4x4& m = tm[frame++];
Matrix3x3 ref = m.rotation().orthonormalize();
float q[4];
anim.getValue( TicksToSec(ticks), q, 4 );
Matrix3x3 cmp( Quaternion(q[0],q[1],q[2],q[3]) );
float xang = Math::abs( Math::acos( clamp(cmp.getColumn(0).dot(ref.getColumn(0)), -1.f, 1.f) ) );
float yang = Math::abs( Math::acos( clamp(cmp.getColumn(1).dot(ref.getColumn(1)), -1.f, 1.f) ) );
float zang = Math::abs( Math::acos( clamp(cmp.getColumn(2).dot(ref.getColumn(2)), -1.f, 1.f) ) );
float err = xang;
if ( yang > err )
err = yang;
if ( zang > err )
err = zang;
// sample more accurately if needed
if ( err > maxErr && rangeLen > dticks )
{
TimeValue halfRange = alignTicks( (range.End() + range.Start())/2 );
AnimExportUtil::addRotationKey( anim, tm[halfRange/dticks], TicksToSec(halfRange) );
if ( ticks <= halfRange )
resampleRotationKeys( anim, Interval(range.Start(),halfRange), maxErr, tm );
else
resampleRotationKeys( anim, Interval(halfRange,range.End()), maxErr, tm );
}
if ( ticks == range.End() )
break;
}
}示例4: Render
//.........这里部分代码省略.........
}
Matrix3x3 colABCs = ssii*tcols;
colABCs = colABCs.transpose();
//Z buffer interpolation
Vector3D tzs = Vector3D(projVerts[vinds[0]][2], projVerts[vinds[1]][2], projVerts[vinds[2]][2]);
Vector3D zABC = ssii * tzs;
//Normal interpolation
Matrix3x3 tnormals = Matrix3x3();
Matrix3x3 normalABCs = Matrix3x3();
if(normals != NULL){
tnormals[0] = normals[vinds[0]];
tnormals[1] = normals[vinds[1]];
tnormals[2] = normals[vinds[2]];
normalABCs = ssii*tnormals;
normalABCs = normalABCs.transpose();
}
//Model Space Interpolation
Matrix3x3 camM;
camM.setColumn(0,ppc->a);
camM.setColumn(1,ppc->b);
camM.setColumn(2,ppc->c);
Matrix3x3 triM;
triM.setColumn(0, verts[vinds[0]] - ppc->C);
triM.setColumn(1, verts[vinds[1]] - ppc->C);
triM.setColumn(2, verts[vinds[2]] - ppc->C);
Matrix3x3 Q = triM.inverse() * camM;
Vector3D DEF = Q[0] + Q[1] + Q[2];
Vector3D ABCr = Vector3D(
tcols.getColumn(0) * Q.getColumn(0),
tcols.getColumn(0) * Q.getColumn(1),
tcols.getColumn(0) * Q.getColumn(2));
Vector3D ABCg = Vector3D(
tcols.getColumn(1) * Q.getColumn(0),
tcols.getColumn(1) * Q.getColumn(1),
tcols.getColumn(1) * Q.getColumn(2));
Vector3D ABCb = Vector3D(
tcols.getColumn(2) * Q.getColumn(0),
tcols.getColumn(2) * Q.getColumn(1),
tcols.getColumn(2) * Q.getColumn(2));
Vector3D ABCk = Vector3D(Q[1]);
Vector3D ABCl = Vector3D(Q[2]);
Matrix3x3 tst = Matrix3x3();
Vector3D ABCs, ABCt;
if(textured){
tst[0] = st[vinds[0]];
tst[1] = st[vinds[1]];
tst[2] = st[vinds[2]];
ABCs = Vector3D(
tst.getColumn(0) * Q.getColumn(0),
tst.getColumn(0) * Q.getColumn(1),
tst.getColumn(0) * Q.getColumn(2));
ABCt = Vector3D(
tst.getColumn(1) * Q.getColumn(0),
tst.getColumn(1) * Q.getColumn(1),
tst.getColumn(1) * Q.getColumn(2));
}
//Rasterization