qssgshadowmaphelpers.cpp File Reference

(dd78bf80046946c53e4c3b3b89082e22c141d921)

#include "qssgshadowmaphelpers_p.h"
#include "qssgdebugdrawsystem_p.h"
#include "qssgrenderray_p.h"

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Classes
struct	Vertex
	\qmltype MapCircle \instantiates QDeclarativeCircleMapItem \inqmlmodule QtLocation More...

Functions
static bool	lineLineIntersection (QVector2D a, QVector2D b, QVector2D c, QVector2D d)
static QList< QVector3D >	sliceBoxByPlanes (const QList< std::array< QVector3D, 2 > > &planes, const QSSGBoxPoints &castingBox, QSSGDebugDrawSystem *debugDrawSystem, const QColor &color)

Variables
static QT_BEGIN_NAMESPACE constexpr std::array< std::array< int, 2 >, 12 >	BOX_LINE_INDICES

Function Documentation

lineLineIntersection()

static bool lineLineIntersection ( QVector2D a, QVector2D b, QVector2D c, QVector2D d )

static

Definition at line 85 of file qssgshadowmaphelpers.cpp.

References a1, a2, c2, d, qFuzzyCompare(), qMax(), qMin(), QVector2D::x(), and QVector2D::y().

Referenced by sliceBoxByPlanes().

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sliceBoxByPlanes()

static QList< QVector3D > sliceBoxByPlanes ( const QList< std::array< QVector3D, 2 > > & planes, const QSSGBoxPoints & castingBox, QSSGDebugDrawSystem * debugDrawSystem, const QColor & color )

static

Definition at line 152 of file qssgshadowmaphelpers.cpp.

References Vertex::active, BOX_LINE_INDICES, QVector3D::crossProduct(), d, QVector3D::dotProduct(), QSSGDebugDrawSystem::drawLine(), i, QSSGRenderRay::intersect(), j, line, lineLineIntersection(), Vertex::neighbors, position(), Vertex::position, Q_ASSERT, QSSGDebugDrawSystem::setEnabled(), QVector3D::x(), and QVector3D::y().

Referenced by ShadowmapHelpers::intersectBoxByBox().

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Variable Documentation

BOX_LINE_INDICES

QT_BEGIN_NAMESPACE constexpr std::array<std::array<int, 2>, 12> BOX_LINE_INDICES

staticconstexpr

Initial value:

= {
    std::array<int, 2> { 0, 1 }, std::array<int, 2> { 1, 2 }, std::array<int, 2> { 2, 3 }, std::array<int, 2> { 3, 0 },
    std::array<int, 2> { 4, 5 }, std::array<int, 2> { 5, 6 }, std::array<int, 2> { 6, 7 }, std::array<int, 2> { 7, 4 },
    std::array<int, 2> { 0, 4 }, std::array<int, 2> { 1, 5 }, std::array<int, 2> { 2, 6 }, std::array<int, 2> { 3, 7 },
}

Definition at line 12 of file qssgshadowmaphelpers.cpp.

Referenced by ShadowmapHelpers::addDebugBox(), and sliceBoxByPlanes().