Author: Kore Nordmann
Date: 2007-01-31 11:19:05 +0100 (Wed, 31 Jan 2007)
New Revision: 4601
Log:
- Renamed rotation methods
- Added tests for vector rotation
Modified:
trunk/Graph/src/math/vector.php
trunk/Graph/tests/vector_test.php
Modified: trunk/Graph/src/math/vector.php
===================================================================
--- trunk/Graph/src/math/vector.php 2007-01-31 10:12:37 UTC (rev 4600)
+++ trunk/Graph/src/math/vector.php 2007-01-31 10:19:05 UTC (rev 4601)
@@ -21,11 +21,11 @@
*
* @return void
*/
- public function toLeft()
+ public function rotateCounterClockwise()
{
$tmp = $this->x;
- $this->x = -$this->y;
- $this->y = $tmp;
+ $this->x = $this->y;
+ $this->y = -$tmp;
return $this;
}
@@ -35,11 +35,11 @@
*
* @return void
*/
- public function toRight()
+ public function rotateClockwise()
{
$tmp = $this->x;
- $this->x = $this->y;
- $this->y = -$tmp;
+ $this->x = -$this->y;
+ $this->y = $tmp;
return $this;
}
Modified: trunk/Graph/tests/vector_test.php
===================================================================
--- trunk/Graph/tests/vector_test.php 2007-01-31 10:12:37 UTC (rev 4600)
+++ trunk/Graph/tests/vector_test.php 2007-01-31 10:19:05 UTC (rev 4601)
@@ -106,6 +106,40 @@
);
}
+ public function testVectorRotateClockwise()
+ {
+ $vector = new ezcGraphVector( 1, 2 );
+ $result = $vector->rotateClockwise();
+
+ $this->assertEquals(
+ $result,
+ new ezcGraphVector( -2, 1 )
+ );
+
+ $this->assertEquals(
+ $result,
+ $vector,
+ 'Result should be the vector itself'
+ );
+ }
+
+ public function testVectorRotateCounterClockwise()
+ {
+ $vector = new ezcGraphVector( 1, 2 );
+ $result = $vector->rotateCounterClockwise();
+
+ $this->assertEquals(
+ $result,
+ new ezcGraphVector( 2, -1 )
+ );
+
+ $this->assertEquals(
+ $result,
+ $vector,
+ 'Result should be the vector itself'
+ );
+ }
+
public function testVectorMultiplyCoordinate()
{
$vector = new ezcGraphVector( 1, 2 );
--
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