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#805 - all geometries now know how to rotate - see the examples/rotate-features.html for geometry.rotate in action

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@3602 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
Tim Schaub
2007-07-05 22:03:27 +00:00
parent debca7c477
commit dcffa03e7d
6 changed files with 207 additions and 0 deletions
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24
tests/Geometry/test_Point.html
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@@ -79,6 +79,30 @@
t.eq(point.y, y + dy, "move() correctly modifies y");
}
function test_Point_rotate(t) {
t.plan(4);
var tolerance = 1e-10;
var x = 10;
var y = 20;
var point = new OpenLayers.Geometry.Point(x, y);
var origin = new OpenLayers.Geometry.Point(5, 10);
// rotate a full revolution
point.rotate(2 * Math.PI, origin);
t.ok(((point.x - x) / x) < tolerance,
"rotate by 2 * Math.PI returns to the same y");
t.ok(((point.y - y) / y) < tolerance,
"rotate by 2 * Math.PI returns to the same y")
// rotate an 1/8 turn
point.rotate(Math.PI / 4, origin);
t.ok(((point.x - 1.4644660940672636) / 1.4644660940672636) < tolerance,
"rotate 1/8 turn correctly");
t.ok(((point.y - 20.606601717798213) / 20.606601717798213) < tolerance,
"rotate 1/8 turn correctly")
}
function test_Point_equals(t) {
t.plan(3);