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 // 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. import 'package:test/test.dart'; import 'package:vector_math/vector_math.dart'; import 'test_utils.dart'; void testPlaneNormalize() { final plane = Plane.normalconstant(\$v3(2.0, 0.0, 0.0), 2.0); plane.normalize(); expect(plane.normal.x, equals(1.0)); expect(plane.normal.y, equals(0.0)); expect(plane.normal.z, equals(0.0)); expect(plane.normal.length, equals(1.0)); expect(plane.constant, equals(1.0)); } void testPlaneDistanceToVector3() { final plane = Plane.normalconstant(\$v3(2.0, 0.0, 0.0), -2.0); plane.normalize(); expect(plane.distanceToVector3(\$v3(4.0, 0.0, 0.0)), equals(3.0)); expect(plane.distanceToVector3(\$v3(1.0, 0.0, 0.0)), equals(0.0)); } void testPlaneIntersection() { final plane1 = Plane.normalconstant(\$v3(1.0, 0.0, 0.0), -2.0); final plane2 = Plane.normalconstant(\$v3(0.0, 1.0, 0.0), -3.0); final plane3 = Plane.normalconstant(\$v3(0.0, 0.0, 1.0), -4.0); plane1.normalize(); plane2.normalize(); plane3.normalize(); final point = Vector3.zero(); Plane.intersection(plane1, plane2, plane3, point); expect(point.x, equals(2.0)); expect(point.y, equals(3.0)); expect(point.z, equals(4.0)); } void main() { group('Plane', () { test('Normalize', testPlaneNormalize); test('DistanceToVector3', testPlaneDistanceToVector3); test('Intersection', testPlaneIntersection); }); }