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Add ol.Rectangle.intersects

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This commit is contained in:
Tom Payne
2012-07-17 15:51:13 +02:00
parent d8a5126265
commit 41175a475f
2 changed files with 56 additions and 0 deletions
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13
src/ol/rectangle.js
View File

@@ -40,6 +40,19 @@ ol.Rectangle = function(minX, minY, maxX, maxY) {
};
/**
* @param {ol.Rectangle} rectangle1 Rectangle.
* @param {ol.Rectangle} rectangle2 Rectangle.
* @return {boolean} Intersects.
*/
ol.Rectangle.intersects = function(rectangle1, rectangle2) {
return rectangle1.minX <= rectangle2.maxX &&
rectangle1.maxX >= rectangle2.minX &&
rectangle1.minY <= rectangle2.maxY &&
rectangle1.maxY >= rectangle2.minY;
};
/**
* @return {ol.Rectangle} Clone.
*/

43
src/ol/rectangle_test.js
View File

@@ -56,3 +56,46 @@ function testContainsNegative() {
assertFalse(rectangle.contains(new goog.math.Coordinate(4, 4)));
assertFalse(rectangle.contains(new goog.math.Coordinate(4, 5)));
}
function testIntersects() {
var rectangle1 = new ol.Rectangle(50, 50, 100, 100);
function assertIntersects(rectangle2) {
assertTrue(rectangle1 + ' expected to intersect ' + rectangle2,
ol.Rectangle.intersects(rectangle1, rectangle2));
}
function assertNotIntersects(rectangle2) {
assertFalse(rectangle1 + ' expected to not intersect ' + rectangle2,
ol.Rectangle.intersects(rectangle1, rectangle2));
}
assertIntersects(rectangle1);
assertIntersects(new ol.Rectangle(20, 20, 80, 80));
assertIntersects(new ol.Rectangle(20, 50, 80, 100));
assertIntersects(new ol.Rectangle(20, 80, 80, 120));
assertIntersects(new ol.Rectangle(50, 20, 100, 80));
assertIntersects(new ol.Rectangle(50, 80, 100, 120));
assertIntersects(new ol.Rectangle(80, 20, 120, 80));
assertIntersects(new ol.Rectangle(80, 50, 120, 100));
assertIntersects(new ol.Rectangle(80, 80, 120, 120));
assertIntersects(new ol.Rectangle(20, 20, 120, 120));
assertIntersects(new ol.Rectangle(70, 70, 80, 80));
assertNotIntersects(new ol.Rectangle(10, 10, 30, 30));
assertNotIntersects(new ol.Rectangle(30, 10, 70, 30));
assertNotIntersects(new ol.Rectangle(50, 10, 100, 30));
assertNotIntersects(new ol.Rectangle(80, 10, 120, 30));
assertNotIntersects(new ol.Rectangle(120, 10, 140, 30));
assertNotIntersects(new ol.Rectangle(10, 30, 30, 70));
assertNotIntersects(new ol.Rectangle(120, 30, 140, 70));
assertNotIntersects(new ol.Rectangle(10, 50, 30, 100));
assertNotIntersects(new ol.Rectangle(120, 50, 140, 100));
assertNotIntersects(new ol.Rectangle(10, 80, 30, 120));
assertNotIntersects(new ol.Rectangle(120, 80, 140, 120));
assertNotIntersects(new ol.Rectangle(10, 120, 30, 140));
assertNotIntersects(new ol.Rectangle(30, 120, 70, 140));
assertNotIntersects(new ol.Rectangle(50, 120, 100, 140));
assertNotIntersects(new ol.Rectangle(80, 120, 120, 140));
assertNotIntersects(new ol.Rectangle(120, 120, 140, 140));
}