/**
* @param IPointGlobal $zeroPoint
* @param IPointGlobal $endPoint
* @param FieldConfiguration $config
* @param float $width track width in meters
*/
public function __construct(IPointGlobal $zeroPoint, IPointGlobal $endPoint, FieldConfiguration $config, $width)
{
$this->zeroPoint = $zeroPoint->convertToLocal($config);
$this->endPoint = $endPoint->convertToLocal($config);
$diff = $this->endPoint->subtract($this->zeroPoint, $config);
$this->factor = max(abs($diff->getLatitude()), abs($diff->getLongitude()));
$this->vector = new LinearVector($diff);
$absDiff = new LinearVector($endPoint->subtract($zeroPoint));
$this->cursor = new FieldCursor($this->zeroPoint, $absDiff->getPerpendicular(), $config, $width);
}
/**
* Constructor
* @param array $config
* @throws BadParamException
*/
public function __construct(array $config)
{
foreach ($config as $prop => $value) {
if (property_exists($this, $prop)) {
$this->{$prop} = $value;
}
}
if (!$this->zeroPoint instanceof IPointGlobal) {
throw new BadParamException('ZeroPoint must be instance of IPointGlobal');
}
if (!$this->endPoint instanceof IPointGlobal) {
throw new BadParamException('EndPoint must be instance of IPointGlobal');
}
if ($this->zeroPoint->equal($this->endPoint, true)) {
throw new BadParamException("Field Points are equal");
}
$offset = $this->endPoint->subtract($this->zeroPoint);
$this->latOffset = $offset->getLatitude();
$this->lonOffset = $offset->getLongitude();
$this->checkPositiveInt($this->latSegments, $this->lonSegments);
$this->checkPositiveNumber($this->latLength, $this->lonLength);
}
/**
* Create new Point as a subtraction of the current one and the given
* @param IPointGlobal $point
* @return Point
*/
public function subtract(IPointGlobal $point)
{
return new Point($this->latitude - $point->getLatitude(), $this->longitude - $point->getLongitude());
}