function testPointAngleSearch()
{
$testSpine = new WMSpine();
$testSpine->addPoint(new WMPoint(50, 50));
$testSpine->addPoint(new WMPoint(150, 50));
$testSpine->addPoint(new WMPoint(150, 150));
$testSpine->addPoint(new WMPoint(0, 150));
$testSpine->addPoint(new WMPoint(0, 0));
$testSpine->addPoint(new WMPoint(100, 100));
/*
\
|\
| \
| \
| \
| E
| \
| \
| v
|
| ------B--A
| |
| C
| |
| |
| |
| |
| |
|-------------D----------'
**/
// A
$result = $testSpine->findPointAndAngleAtDistance(100);
$this->assertTrue($result[0]->identical(new WMPoint(150, 50)));
// B
$result = $testSpine->findPointAndAngleAtDistance(90);
$this->assertTrue($result[0]->identical(new WMPoint(140, 50)));
$this->assertEquals(0, $result[2]);
//C
$result = $testSpine->findPointAndAngleAtDistance(110);
$this->assertTrue($result[0]->identical(new WMPoint(150, 60)));
$this->assertEquals(-90, $result[2]);
// D
$result = $testSpine->findPointAndAngleAtDistance(300);
$this->assertTrue($result[0]->identical(new WMPoint(50, 150)));
$this->assertEquals(180, $result[2]);
// E
$result = $testSpine->findPointAndAngleAtDistance(550);
$this->assertEquals(-45, $result[2]);
}
