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fix tests

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NEDJIMAbelgacem authored and wonder-sk committed Jan 13, 2021
1 parent 05735cd commit 0167d07eaa5d32569e8c3d219fa0b80b5c5a5d5a
@@ -62,16 +62,10 @@ Sets the direction of the ray
.. seealso:: :py:func:`direction`
%End

bool operator==( const QgsRay3D &r );

QVector3D projectedPoint( const QVector3D &point ) const;
%Docstring
Returns the projection of the point on the ray
(which is the closest point of the ray to ``point``)
%End
bool intersectsWith( const QgsBox3d &box ) const;
%Docstring
Checks whether the ray intersects with ``box``
%End
bool isInFront( const QVector3D &point ) const;
%Docstring
@@ -14,8 +14,6 @@
***************************************************************************/
#include "qgsray3d.h"

#include "qgsrange.h"

#include <QtMath>

QgsRay3D::QgsRay3D( const QVector3D &origin, const QVector3D &direction )
@@ -35,58 +33,11 @@ void QgsRay3D::setDirection( const QVector3D direction )
mDirection = direction.normalized();
}

bool QgsRay3D::operator==( const QgsRay3D &r )
{
return this->mOrigin == r.origin() && this->mDirection == r.direction();
}

QVector3D QgsRay3D::projectedPoint( const QVector3D &point ) const
{
return mOrigin + QVector3D::dotProduct( point - mOrigin, mDirection ) * mDirection;
}

bool QgsRay3D::intersectsWith( const QgsBox3d &box ) const
{
double tminX = box.xMinimum() - mOrigin.x(), tmaxX = box.xMaximum() - mOrigin.x();
double tminY = box.yMinimum() - mOrigin.y(), tmaxY = box.yMaximum() - mOrigin.y();
double tminZ = box.zMinimum() - mOrigin.z(), tmaxZ = box.zMaximum() - mOrigin.z();
if ( mDirection.x() < 0 ) std::swap( tminX, tmaxX );
if ( mDirection.y() < 0 ) std::swap( tminY, tmaxY );
if ( mDirection.z() < 0 ) std::swap( tminZ, tmaxZ );
if ( mDirection.x() != 0 )
{
tminX /= mDirection.x();
tmaxX /= mDirection.x();
}
else
{
tminX = std::numeric_limits<double>::lowest();
tmaxX = std::numeric_limits<double>::max();
}
if ( mDirection.y() != 0 )
{
tminY /= mDirection.y();
tmaxY /= mDirection.y();
}
else
{
tminY = std::numeric_limits<double>::lowest();
tmaxY = std::numeric_limits<double>::max();
}
if ( mDirection.z() != 0 )
{
tminZ /= mDirection.z();
tmaxZ /= mDirection.z();
}
else
{
tminZ = std::numeric_limits<double>::lowest();
tmaxZ = std::numeric_limits<double>::max();
}
QgsDoubleRange tRange( std::max( std::max( tminX, tminY ), tminZ ), std::min( std::min( tmaxX, tmaxY ), tmaxZ ) );
return !tRange.isEmpty();
}

bool QgsRay3D::isInFront( const QVector3D &point ) const
{
return QVector3D::dotProduct( ( point - mOrigin ).normalized(), mDirection ) >= 0.0;
@@ -61,16 +61,11 @@ class CORE_EXPORT QgsRay3D
*/
void setDirection( const QVector3D direction );

//! Comparison operator
bool operator==( const QgsRay3D &r );

/**
* Returns the projection of the point on the ray
* (which is the closest point of the ray to \a point)
*/
QVector3D projectedPoint( const QVector3D &point ) const;
//! Checks whether the ray intersects with \a box
bool intersectsWith( const QgsBox3d &box ) const;
//! Checks whether the point is in front of the ray
bool isInFront( const QVector3D &point ) const;
//! Returns the angle between the ray and the vector from the ray's origin and the point \a point
@@ -104,17 +104,20 @@ void TestQgs3DUtils::testRayFromScreenPoint()
{
QgsRay3D ray1 = Qgs3DUtils::rayFromScreenPoint( QPoint( 50, 50 ), QSize( 100, 100 ), &camera );
QgsRay3D ray2( QVector3D( 8.99999904632568, 14.9999980926514, 29.9999980926514 ), QVector3D( -0.25916051864624, -0.431934207677841, -0.863868415355682 ) );
QVERIFY( ray1 == ray2 );
QCOMPARE( ray1.origin(), ray2.origin() );
QCOMPARE( ray1.direction(), ray2.direction() );
}
{
QgsRay3D ray1 = Qgs3DUtils::rayFromScreenPoint( QPoint( 0, 0 ), QSize( 100, 100 ), &camera );
QgsRay3D ray2( QVector3D( 8.99999904632568, 14.9999980926514, 29.9999980926514 ), QVector3D( -0.810001313686371, -0.0428109727799892, -0.584863305091858 ) );
QVERIFY( ray1 == ray2 );
QCOMPARE( ray1.origin(), ray2.origin() );
QCOMPARE( ray1.direction(), ray2.direction() );
}
{
QgsRay3D ray1 = Qgs3DUtils::rayFromScreenPoint( QPoint( 100, 100 ), QSize( 100, 100 ), &camera );
QgsRay3D ray2( QVector3D( 8.99999904632568, 14.9999980926514, 29.9999980926514 ), QVector3D( 0.429731547832489, -0.590972006320953, -0.682702660560608 ) );
QVERIFY( ray1 == ray2 );
QCOMPARE( ray1.origin(), ray2.origin() );
QCOMPARE( ray1.direction(), ray2.direction() );
}
}

@@ -130,17 +133,20 @@ void TestQgs3DUtils::testRayFromScreenPoint()
{
QgsRay3D ray1 = Qgs3DUtils::rayFromScreenPoint( QPoint( 500, 500 ), QSize( 1000, 1000 ), &camera );
QgsRay3D ray2( QVector3D( 0, 0, 0 ), QVector3D( 0, 0.70710676908493, -0.70710676908493 ) );
QVERIFY( ray1 == ray2 );
QCOMPARE( ray1.origin(), ray2.origin() );
QCOMPARE( ray1.direction(), ray2.direction() );
}
{
QgsRay3D ray1 = Qgs3DUtils::rayFromScreenPoint( QPoint( 0, 0 ), QSize( 1000, 1000 ), &camera );
QgsRay3D ray2( QVector3D( 0, 0, 0 ), QVector3D( -0.70710676908493, 0.683012664318085, -0.183012709021568 ) );
QVERIFY( ray1 == ray2 );
QCOMPARE( ray1.origin(), ray2.origin() );
QCOMPARE( ray1.direction(), ray2.direction() );
}
{
QgsRay3D ray1 = Qgs3DUtils::rayFromScreenPoint( QPoint( 500, 1000 ), QSize( 1000, 1000 ), &camera );
QgsRay3D ray2( QVector3D( 0, 0, 0 ), QVector3D( 0, 0.258819073438644, -0.965925812721252 ) );
QVERIFY( ray1 == ray2 );
QCOMPARE( ray1.origin(), ray2.origin() );
QCOMPARE( ray1.direction(), ray2.direction() );
}
}
}
@@ -149,48 +155,61 @@ void TestQgs3DUtils::testQgsBox3DDistanceTo()
{
{
QgsBox3d box( -1, -1, -1, 1, 1, 1 );
QVERIFY( box.distanceTo( QVector3D( 0, 0, 0 ) ) == 0.0 );
QVERIFY( box.distanceTo( QVector3D( 2, 2, 2 ) ) == qSqrt( 3.0 ) );
QCOMPARE( box.distanceTo( QVector3D( 0, 0, 0 ) ), 0.0 );
QCOMPARE( box.distanceTo( QVector3D( 2, 2, 2 ) ), qSqrt( 3.0 ) );
}
{
QgsBox3d box( 1, 2, 1, 4, 3, 3 );
QVERIFY( box.distanceTo( QVector3D( 1, 2, 1 ) ) == 0.0 );
QVERIFY( box.distanceTo( QVector3D( 0, 0, 0 ) ) == qSqrt( 6.0 ) );
QCOMPARE( box.distanceTo( QVector3D( 1, 2, 1 ) ), 0.0 );
QCOMPARE( box.distanceTo( QVector3D( 0, 0, 0 ) ), qSqrt( 6.0 ) );
}
}

void TestQgs3DUtils::testQgsRay3D()
{
QgsRay3D ray( QVector3D( 0, 0, 0 ), QVector3D( 1, 1, 1 ) );
float t = 1.0f + ( float )( rand() % 1000 ) / 1000.0f;
QVector3D p1 = ray.origin() + t * ray.direction();
QVector3D p2 = ray.origin() - t * ray.direction();
// point already on the ray
QVERIFY( ray.projectedPoint( p1 ) == p1 );
QVERIFY( ray.projectedPoint( p2 ) == p2 );

// t >= 0 then the point is in front of the ray
QVERIFY( ray.isInFront( p1 ) );
// t < 0 then the point is in front of the ray
QVERIFY( !ray.isInFront( p2 ) );

for ( int i = 0; i < 8; ++i )
{
// random vector
QVector3D n = QVector3D( 1.0f + ( float )( rand() % 1000 ) / 1000.0f, 1.0f + ( float )( rand() % 1000 ) / 1000.0f, 1.0f + ( float )( rand() % 1000 ) / 1000.0f ).normalized();
// random point on the ray
float t = 1.0f + ( float )( rand() % 1000 ) / 1000.0f;
QVector3D p = ray.origin() + t * ray.direction();
// a random point that projects to p
QVector3D p2 = p + ( 1.0f + ( float )( rand() % 1000 ) / 1000.0f ) * QVector3D::crossProduct( ray.direction(), n );

QVERIFY( qFuzzyCompare( ray.projectedPoint( p2 ), p ) );

float angle = qRadiansToDegrees( std::atan2( ( p - ray.origin() ).length(), ( p2 - ray.origin() ).length() ) );

QVERIFY( qFuzzyCompare( ( float )ray.angleToPoint( p2 ), angle ) );
QgsRay3D ray( QVector3D( 0, 0, 0 ), QVector3D( 1, 1, 1 ) );
QVector3D p1( 0.5f, 0.5f, 0.5f );
QVector3D p2( -0.5f, -0.5f, -0.5f );
// points are already on the ray
QVector3D projP1 = ray.projectedPoint( p1 );
QVector3D projP2 = ray.projectedPoint( p2 );

QCOMPARE( p1.x(), projP1.x() );
QCOMPARE( p1.y(), projP1.y() );
QCOMPARE( p1.z(), projP1.z() );

QCOMPARE( p2.x(), projP2.x() );
QCOMPARE( p2.y(), projP2.y() );
QCOMPARE( p2.z(), projP2.z() );

QVERIFY( qFuzzyIsNull( ( float )ray.angleToPoint( p1 ) ) );
QVERIFY( qFuzzyIsNull( ( float )ray.angleToPoint( p2 ) ) );

QVERIFY( ray.isInFront( p1 ) );
QVERIFY( !ray.isInFront( p2 ) );
}

{
QgsRay3D ray( QVector3D( 0, 0, 0 ), QVector3D( 1, 1, 1 ) );
QVector3D p1( 0, 1, 1 );
QVector3D p2( 0, -1, -1 );
QVector3D expectedProjP1( 0.666667, 0.666667f, 0.666667 );
QVector3D expectedProjP2( -0.666667, -0.666667f, -0.666667f );

QVector3D projP1 = ray.projectedPoint( p1 );
QCOMPARE( projP1.x(), expectedProjP1.x() );
QCOMPARE( projP1.y(), expectedProjP1.y() );
QCOMPARE( projP1.z(), expectedProjP1.z() );

QVector3D projP2 = ray.projectedPoint( p2 );
QCOMPARE( projP2.x(), expectedProjP2.x() );
QCOMPARE( projP2.y(), expectedProjP2.y() );
QCOMPARE( projP2.z(), expectedProjP2.z() );

QVERIFY( ray.isInFront( p1 ) );
QVERIFY( !ray.isInFront( p2 ) );
}
}

QGSTEST_MAIN( TestQgs3DUtils )

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