1 | /**
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2 | * @author bhouston / http://exocortex.com
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3 | */
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4 |
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5 | module( "Sphere" );
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6 |
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7 | test( "constructor", function() {
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8 | var a = new THREE.Sphere();
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9 | ok( a.center.equals( zero3 ), "Passed!" );
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10 | ok( a.radius == 0, "Passed!" );
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11 |
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12 | a = new THREE.Sphere( one3.clone(), 1 );
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13 | ok( a.center.equals( one3 ), "Passed!" );
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14 | ok( a.radius == 1, "Passed!" );
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15 | });
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16 |
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17 | test( "copy", function() {
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18 | var a = new THREE.Sphere( one3.clone(), 1 );
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19 | var b = new THREE.Sphere().copy( a );
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20 |
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21 | ok( b.center.equals( one3 ), "Passed!" );
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22 | ok( b.radius == 1, "Passed!" );
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23 |
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24 | // ensure that it is a true copy
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25 | a.center = zero3;
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26 | a.radius = 0;
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27 | ok( b.center.equals( one3 ), "Passed!" );
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28 | ok( b.radius == 1, "Passed!" );
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29 | });
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30 |
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31 | test( "set", function() {
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32 | var a = new THREE.Sphere();
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33 | ok( a.center.equals( zero3 ), "Passed!" );
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34 | ok( a.radius == 0, "Passed!" );
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35 |
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36 | a.set( one3, 1 );
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37 | ok( a.center.equals( one3 ), "Passed!" );
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38 | ok( a.radius == 1, "Passed!" );
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39 | });
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40 |
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41 | test( "empty", function() {
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42 | var a = new THREE.Sphere();
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43 | ok( a.empty(), "Passed!" );
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44 |
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45 | a.set( one3, 1 );
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46 | ok( ! a.empty(), "Passed!" );
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47 | });
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48 |
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49 | test( "containsPoint", function() {
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50 | var a = new THREE.Sphere( one3.clone(), 1 );
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51 |
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52 | ok( ! a.containsPoint( zero3 ), "Passed!" );
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53 | ok( a.containsPoint( one3 ), "Passed!" );
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54 | });
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55 |
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56 | test( "distanceToPoint", function() {
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57 | var a = new THREE.Sphere( one3.clone(), 1 );
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58 |
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59 | ok( ( a.distanceToPoint( zero3 ) - 0.7320 ) < 0.001, "Passed!" );
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60 | ok( a.distanceToPoint( one3 ) === -1, "Passed!" );
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61 | });
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62 |
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63 | test( "intersectsSphere", function() {
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64 | var a = new THREE.Sphere( one3.clone(), 1 );
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65 | var b = new THREE.Sphere( zero3.clone(), 1 );
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66 | var c = new THREE.Sphere( zero3.clone(), 0.25 );
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67 |
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68 | ok( a.intersectsSphere( b ) , "Passed!" );
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69 | ok( ! a.intersectsSphere( c ) , "Passed!" );
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70 | });
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71 |
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72 | test( "clampPoint", function() {
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73 | var a = new THREE.Sphere( one3.clone(), 1 );
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74 |
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75 | ok( a.clampPoint( new THREE.Vector3( 1, 1, 3 ) ).equals( new THREE.Vector3( 1, 1, 2 ) ), "Passed!" );
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76 | ok( a.clampPoint( new THREE.Vector3( 1, 1, -3 ) ).equals( new THREE.Vector3( 1, 1, 0 ) ), "Passed!" );
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77 | });
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78 |
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79 | test( "getBoundingBox", function() {
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80 | var a = new THREE.Sphere( one3.clone(), 1 );
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81 |
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82 | ok( a.getBoundingBox().equals( new THREE.Box3( zero3, two3 ) ), "Passed!" );
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83 |
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84 | a.set( zero3, 0 )
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85 | ok( a.getBoundingBox().equals( new THREE.Box3( zero3, zero3 ) ), "Passed!" );
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86 | });
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87 |
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88 | test( "applyMatrix4", function() {
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89 | var a = new THREE.Sphere( one3.clone(), 1 );
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90 |
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91 | var m = new THREE.Matrix4().makeTranslation( 1, -2, 1 );
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92 |
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93 | ok( a.clone().applyMatrix4( m ).getBoundingBox().equals( a.getBoundingBox().applyMatrix4( m ) ), "Passed!" );
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94 | });
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95 |
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96 | test( "translate", function() {
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97 | var a = new THREE.Sphere( one3.clone(), 1 );
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98 |
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99 | a.translate( one3.clone().negate() );
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100 | ok( a.center.equals( zero3 ), "Passed!" );
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101 | });
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