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Corrected Kinetic.Path.getPointOnLine() to work in negative x direction. Including Unit test.

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This commit is contained in:
David Johansson
2012-09-25 08:56:15 +02:00
parent 90ba0d9a78
commit 869e420099
4 changed files with 53 additions and 4 deletions
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45
tests/js/unitTests.js
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@@ -5794,6 +5794,51 @@ Test.prototype.tests = {
layer.add(textpath);
stage.add(layer);
},
'*PATH - getPointOnLine for different directions': function() {
var origo = {x: 0, y: 0};
var p, point;
//point up left
p = {x:-10, y: -10};
point = Kinetic.Path.getPointOnLine(10, origo.x, origo.y, p.x, p.y);
test(point.x < 0 && point.y < 0, 'The new point should be up left');
//point up right
p = {x:10, y: -10};
point = Kinetic.Path.getPointOnLine(10, origo.x, origo.y, p.x, p.y);
test(point.x > 0 && point.y < 0, 'The new point should be up right');
//point down right
p = {x:10, y: 10};
point = Kinetic.Path.getPointOnLine(10, origo.x, origo.y, p.x, p.y);
test(point.x > 0 && point.y > 0, 'The new point should be down right');
//point down left
p = {x:-10, y: 10};
point = Kinetic.Path.getPointOnLine(10, origo.x, origo.y, p.x, p.y);
test(point.x < 0 && point.y > 0, 'The new point should be down left');
//point left
p = {x:-10, y: 0};
point = Kinetic.Path.getPointOnLine(10, origo.x, origo.y, p.x, p.y);
test(point.x == -10 && point.y == 0, 'The new point should be left');
//point up
p = {x:0, y: -10};
point = Kinetic.Path.getPointOnLine(10, origo.x, origo.y, p.x, p.y);
test(Math.abs(point.x) < 0.0000001 && point.y == -10, 'The new point should be up');
//point right
p = {x:10, y: 0};
point = Kinetic.Path.getPointOnLine(10, origo.x, origo.y, p.x, p.y);
test(point.x == 10 && point.y == 0, 'The new point should be right');
//point down
p = {x:0, y: 10};
point = Kinetic.Path.getPointOnLine(10, origo.x, origo.y, p.x, p.y);
test(Math.abs(point.x) < 0.0000001 && point.y == 10, 'The new point should be down');
},
'PATH - Borneo Map (has scientific notation: -10e-4)': function(containerId) {
var stage = new Kinetic.Stage({