| <!DOCTYPE html> |
| <!-- |
| Copyright (c) 2014 The Chromium Authors. All rights reserved. |
| Use of this source code is governed by a BSD-style license that can be |
| found in the LICENSE file. |
| --> |
| <link rel="import" href="/base/rect.html"> |
| <link rel="import" href="/base/quad.html"> |
| <script> |
| 'use strict'; |
| |
| function assertQuadEquals(a, b, opt_message) { |
| var ok = true; |
| ok &= a.p1[0] === b.p1[0] && a.p1[1] === b.p1[1]; |
| ok &= a.p2[0] === b.p2[0] && a.p2[1] === b.p2[1]; |
| ok &= a.p3[0] === b.p3[0] && a.p3[1] === b.p3[1]; |
| ok &= a.p4[0] === b.p4[0] && a.p4[1] === b.p4[1]; |
| if (ok) |
| return; |
| var message = opt_message || 'Expected "' + a.toString() + |
| '", got "' + b.toString() + '"'; |
| throw new tr.b.unittest.TestError(message); |
| } |
| |
| tr.b.unittest.testSuite(function() { |
| test('pointInTri', function() { |
| var res = tr.b.pointInTriangle2( |
| [0.25, 0.25], |
| [0, 0], |
| [1, 0], |
| [0, 1]); |
| assert.isTrue(res); |
| }); |
| |
| test('pointNotInTri', function() { |
| var res = tr.b.pointInTriangle2( |
| [0.75, 0.75], |
| [0, 0], |
| [1, 0], |
| [0, 1]); |
| assert.isFalse(res); |
| }); |
| |
| test('pointInside', function() { |
| var q = tr.b.Quad.from4Vecs([0, 0], |
| [1, 0], |
| [1, 1], |
| [0, 1]); |
| var res = q.pointInside([0.5, 0.5]); |
| assert.isTrue(res); |
| }); |
| |
| test('pointNotInQuad', function() { |
| var q = tr.b.Quad.from4Vecs([0, 0], |
| [1, 0], |
| [1, 1], |
| [0, 1]); |
| var res = q.pointInside([1.5, 0.5]); |
| assert.isFalse(res); |
| }); |
| |
| test('isRectangle', function() { |
| assert.isTrue(tr.b.Quad.fromXYWH(0, 0, 10, 10).isRectangle()); |
| assert.isTrue(tr.b.Quad.fromXYWH(-10, -10, 5, 5).isRectangle()); |
| assert.isTrue(tr.b.Quad.fromXYWH(-10, -10, 20, 20).isRectangle()); |
| assert.isTrue(tr.b.Quad.fromXYWH(-10, 10, 5, 5).isRectangle()); |
| |
| assert.isFalse(tr.b.Quad.fromXYWH(0, 0, -10, -10).isRectangle()); |
| assert.isFalse( |
| tr.b.Quad.from8Array([0, 1, 2, 3, 4, 5, 6, 7]).isRectangle()); |
| assert.isFalse( |
| tr.b.Quad.from8Array([0, 0, 0, 5, 5, 5, 0, 0]).isRectangle()); |
| }); |
| |
| test('projectUnitRect', function() { |
| var container = tr.b.Quad.fromXYWH(0, 0, 10, 10); |
| var srcRect = tr.b.Rect.fromXYWH(0.1, 0.8, 0.8, 0.1); |
| var expectedRect = srcRect.scale(10); |
| |
| var q = new tr.b.Quad(); |
| container.projectUnitRectFast(q, srcRect); |
| |
| assertQuadEquals(tr.b.Quad.fromRect(expectedRect), q); |
| }); |
| |
| test('projectUnitRectOntoUnitQuad', function() { |
| var container = tr.b.Quad.fromXYWH(0, 0, 1, 1); |
| var srcRect = tr.b.Rect.fromXYWH(0.0, 0, 1, 1); |
| var expectedRect = srcRect; |
| |
| var q = new tr.b.Quad(); |
| container.projectUnitRectFast(q, srcRect); |
| |
| assertQuadEquals(tr.b.Quad.fromRect(expectedRect), q); |
| }); |
| |
| test('projectUnitRectOntoSizeTwoQuad', function() { |
| var container = tr.b.Quad.fromXYWH(0, 0, 2, 2); |
| var srcRect = tr.b.Rect.fromXYWH(0.0, 0, 1, 1); |
| var expectedRect = srcRect.scale(2); |
| |
| var q = new tr.b.Quad(); |
| container.projectUnitRectFast(q, srcRect); |
| |
| assertQuadEquals(tr.b.Quad.fromRect(expectedRect), q); |
| }); |
| |
| test('projectUnitRectOntoTranslatedQuad', function() { |
| var container = tr.b.Quad.fromXYWH(1, 1, 1, 1); |
| var srcRect = tr.b.Rect.fromXYWH(0.0, 0, 1, 1); |
| var expectedRect = srcRect.translate([1, 1]); |
| |
| var q = new tr.b.Quad(); |
| container.projectUnitRectFast(q, srcRect); |
| |
| assertQuadEquals(tr.b.Quad.fromRect(expectedRect), q); |
| }); |
| |
| test('projectShrunkUnitRectOntoUnitQuad', function() { |
| var container = tr.b.Quad.fromXYWH(0, 0, 1, 1); |
| var srcRect = tr.b.Rect.fromXYWH(0.1, 0.1, 0.8, 0.8); |
| var expectedRect = srcRect; |
| |
| var q = new tr.b.Quad(); |
| container.projectUnitRectFast(q, srcRect); |
| |
| assertQuadEquals(tr.b.Quad.fromRect(expectedRect), q); |
| }); |
| }); |
| </script> |
