| // Copyright (c) 2015, Google Inc. Please see the AUTHORS file for details. |
| // All rights reserved. Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| library vector_math.test.noise_test; |
| |
| import 'package:test/test.dart'; |
| |
| import 'package:vector_math/vector_math.dart'; |
| |
| void testSimplexNoise() { |
| final SimplexNoise noise = new SimplexNoise(); |
| |
| List<double> values2D = new List<double>(10); |
| List<double> values3D = new List<double>(10); |
| |
| // Cache several values at known coordinates |
| for (int i = 0; i < values2D.length; ++i) { |
| values2D[i] = noise.noise2D(i.toDouble(), i.toDouble()); |
| values3D[i] = noise.noise3D(i.toDouble(), i.toDouble(), i.toDouble()); |
| } |
| |
| // Ensure that querying those same coordinates repeats the cached value |
| for (var i = 0; i < values2D.length; ++i) { |
| expect(values2D[i], equals(noise.noise2D(i.toDouble(), i.toDouble()))); |
| expect(values3D[i], |
| equals(noise.noise3D(i.toDouble(), i.toDouble(), i.toDouble()))); |
| } |
| } |
| |
| void main() { |
| group('Noise', () { |
| test('Simplex Noise', testSimplexNoise); |
| }); |
| } |