C++ (Cpp) Extent::Area Examples

Example #1

File: srcpy_navmesh.cpp Project: detoxhby/lambdawars

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
Vector RandomNavAreaPositionWithin( const Vector &mins, const Vector &maxs, float minimumarea, int maxtries )
{
	if( maxtries < 0 )
		maxtries = 1;

	Vector random;
	CNavArea *pArea = NULL;
	Extent extent;

	for( int i = 0; i < maxtries; i++ )
	{
		random.Init( 
			mins.x + ((float)rand() / RAND_MAX) * (maxs.x - mins.x),
			mins.y + ((float)rand() / RAND_MAX) * (maxs.y - mins.y),
			maxs.z
		);
		pArea = TheNavMesh->GetNearestNavArea( random, false, 10000.0f, false, false );
		if( pArea )
		{
			pArea->GetExtent( &extent );
			if( extent.Area() >= minimumarea )
				break;
		}

		// Reset
		pArea = NULL;
	}


	if( !pArea )
	{
		if( g_pynavmesh_debug.GetBool() )
			DevMsg("RandomNavAreaPosition: No area found within Mins: %f %f %f, Maxs: %f %f %f, Random: %f %f %f\n", 
					mins.x, mins.y, mins.z, maxs.x, maxs.y, maxs.z, random.x, random.y, random.z);
		return vec3_origin;
	}
	Vector vRandomPoint = pArea->GetRandomPoint();
	vRandomPoint.z += 32.0f;

	if( g_pynavmesh_debug.GetBool() )
		DevMsg("RandomNavAreaPosition: Found position %f %f %f\n", vRandomPoint.x, vRandomPoint.y, vRandomPoint.z);

	return vRandomPoint;
}