public function placeOnField(Field $field)
{
$iterations = 0;
while (true) {
$field->placeCursor($this->cursor);
$this->cursor->moveLinear($this->vector, $this->factor);
if ($this->endPoint->equal($this->cursor->getZeroPoint())) {
$field->placeCursor($this->cursor);
break;
}
//just debug issue
if ($iterations++ > 5000) {
var_dump("Max iterations!");
break;
}
}
}
/**
* @param IPointConverted $zeroPoint
* @param LinearVector $vector
* @param IFieldConfiguration $config
* @param float $width cursor width in meters
*/
public function __construct(IPointConverted $zeroPoint, LinearVector $vector, IFieldConfiguration $config, $width)
{
$this->initialPoints = [$zeroPoint->moveLinear($vector, 0)];
$this->currentPoints = [$zeroPoint->moveLinear($vector, 0)];
$i = 1;
while (true) {
$point = $zeroPoint->moveLinear($vector, $i);
if ($point->distance($zeroPoint, $config) > $width / 2 || $vector->getLatFactor() == 0 && $vector->getLonFactor() == 0) {
break;
} else {
$this->initialPoints[] = $point;
$this->currentPoints[] = clone $point;
$negative = $zeroPoint->moveLinear($vector, -1 * $i);
if ($negative->distance($point, $config) < $width) {
$this->initialPoints[] = $negative;
$this->currentPoints[] = clone $negative;
$i++;
} else {
break;
}
}
}
}
/**
* Create new PointConverted as a subtraction of the current one and the given
* @param IPointConverted $point
* @param IFieldConfiguration $config
* @return PointConverted
*/
public function subtract(IPointConverted $point, IFieldConfiguration $config)
{
return new PointConverted($this->latitude - $point->getLatitude(), $this->longitude - $point->getLongitude(), $config);
}
/**
* Fill the cell
* @param IPointConverted $point
* @throws OutOfFieldException
*/
private function fillCell(IPointConverted $point)
{
if (!isset($this->field[$point->getOffset()])) {
throw new OutOfFieldException("Point outside of the field");
}
$item =& $this->field[$point->getOffset()];
if ($item & $this->bitMask[$point->getBitOffset()]) {
$this->duplicateCells++;
} else {
$this->filledCells++;
}
$item |= $this->bitMask[$point->getBitOffset()];
}
