CellSpacePartitioning constructor

CellSpacePartitioning(double width, double height, double depth, int cellsX, int cellsY, int cellsZ,)

Constructs a new spatial index with the given values.

Implementation

CellSpacePartitioning( this.width, this.height, this.depth, this.cellsX, this.cellsY, this.cellsZ ) {
	_halfWidth = width / 2;
	_halfHeight = height / 2;
	_halfDepth = depth / 2;

	_min = Vector3( - _halfWidth, - _halfHeight, - _halfDepth );
	_max = Vector3( _halfWidth, _halfHeight, _halfDepth );

	//

	final cellSizeX = width / cellsX;
	final cellSizeY = height / cellsY;
	final cellSizeZ = depth / cellsZ;

	for ( int i = 0; i < cellsX; i ++ ) {
		final x = ( i * cellSizeX ) - _halfWidth;

		for ( int j = 0; j < cellsY; j ++ ) {
			final y = ( j * cellSizeY ) - _halfHeight;

			for ( int k = 0; k < cellsZ; k ++ ) {

				final z = ( k * cellSizeZ ) - _halfDepth;

				final min = Vector3();
				final max = Vector3();

				min.set( x, y, z );

				max.x = min.x + cellSizeX;
				max.y = min.y + cellSizeY;
				max.z = min.z + cellSizeZ;

				final aabb = AABB( min, max );
				final cell = Cell( aabb );
				cells.add( cell );
			}
		}
	}
}