QgsRayCastingUtils Namespace Reference

Functions
bool	rayBoxIntersection (const QgsRay3D &ray, const QgsAABB &nodeBbox)
	Tests whether an axis aligned box is intersected by a ray.
bool	rayMeshIntersection (Qt3DRender::QGeometryRenderer *geometryRenderer, const QgsRay3D &r, float maxDist, const QMatrix4x4 &worldTransform, QVector3D &intPt, int &triangleIndex)
	Tests whether a triangular mesh is intersected by a ray.
bool	rayTriangleIntersection (const QgsRay3D &ray, float maxDist, const QVector3D &a, const QVector3D &b, const QVector3D &c, QVector3D &uvw, float &t)
	Tests whether a triangle is intersected by a ray.

Function Documentation

rayBoxIntersection()

bool QgsRayCastingUtils::rayBoxIntersection	(	const QgsRay3D &	ray,
		const QgsAABB &	nodeBbox )

Tests whether an axis aligned box is intersected by a ray.

Since

QGIS 4.0

rayMeshIntersection()

bool QgsRayCastingUtils::rayMeshIntersection	(	Qt3DRender::QGeometryRenderer *	geometryRenderer,
		const QgsRay3D &	r,
		float	maxDist,
		const QMatrix4x4 &	worldTransform,
		QVector3D &	intPt,
		int &	triangleIndex )

Tests whether a triangular mesh is intersected by a ray.

Returns whether an intersection was found. If found, it outputs the point at which the intersection happened in world coordinates and the index of the intersecting triangle.

Since

QGIS 4.0

rayTriangleIntersection()

bool QgsRayCastingUtils::rayTriangleIntersection	(	const QgsRay3D &	ray,
		float	maxDist,
		const QVector3D &	a,
		const QVector3D &	b,
		const QVector3D &	c,
		QVector3D &	uvw,
		float &	t )

Tests whether a triangle is intersected by a ray.

Since

QGIS 4.0