[28897] | 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( "Frustum" );
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| 6 |
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| 7 | var unit3 = new THREE.Vector3( 1, 0, 0 );
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| 8 |
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| 9 | var planeEquals = function ( a, b, tolerance ) {
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| 10 | tolerance = tolerance || 0.0001;
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| 11 | if( a.normal.distanceTo( b.normal ) > tolerance ) {
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| 12 | return false;
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| 13 | }
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| 14 | if( Math.abs( a.constant - b.constant ) > tolerance ) {
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| 15 | return false;
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| 16 | }
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| 17 | return true;
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| 18 | };
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| 19 |
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| 20 | test( "constructor", function() {
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| 21 | var a = new THREE.Frustum();
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| 22 |
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| 23 | ok( a.planes !== undefined, "Passed!" );
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| 24 | ok( a.planes.length === 6, "Passed!" );
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| 25 |
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| 26 | var pDefault = new THREE.Plane();
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| 27 | for( var i = 0; i < 6; i ++ ) {
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| 28 | ok( a.planes[i].equals( pDefault ), "Passed!" );
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| 29 | }
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| 30 |
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| 31 | var p0 = new THREE.Plane( unit3, -1 );
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| 32 | var p1 = new THREE.Plane( unit3, 1 );
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| 33 | var p2 = new THREE.Plane( unit3, 2 );
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| 34 | var p3 = new THREE.Plane( unit3, 3 );
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| 35 | var p4 = new THREE.Plane( unit3, 4 );
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| 36 | var p5 = new THREE.Plane( unit3, 5 );
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| 37 |
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| 38 | a = new THREE.Frustum( p0, p1, p2, p3, p4, p5 );
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| 39 | ok( a.planes[0].equals( p0 ), "Passed!" );
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| 40 | ok( a.planes[1].equals( p1 ), "Passed!" );
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| 41 | ok( a.planes[2].equals( p2 ), "Passed!" );
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| 42 | ok( a.planes[3].equals( p3 ), "Passed!" );
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| 43 | ok( a.planes[4].equals( p4 ), "Passed!" );
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| 44 | ok( a.planes[5].equals( p5 ), "Passed!" );
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| 45 | });
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| 46 |
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| 47 | test( "copy", function() {
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| 48 |
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| 49 | var p0 = new THREE.Plane( unit3, -1 );
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| 50 | var p1 = new THREE.Plane( unit3, 1 );
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| 51 | var p2 = new THREE.Plane( unit3, 2 );
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| 52 | var p3 = new THREE.Plane( unit3, 3 );
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| 53 | var p4 = new THREE.Plane( unit3, 4 );
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| 54 | var p5 = new THREE.Plane( unit3, 5 );
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| 55 |
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| 56 | var b = new THREE.Frustum( p0, p1, p2, p3, p4, p5 );
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| 57 | var a = new THREE.Frustum().copy( b );
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| 58 | ok( a.planes[0].equals( p0 ), "Passed!" );
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| 59 | ok( a.planes[1].equals( p1 ), "Passed!" );
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| 60 | ok( a.planes[2].equals( p2 ), "Passed!" );
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| 61 | ok( a.planes[3].equals( p3 ), "Passed!" );
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| 62 | ok( a.planes[4].equals( p4 ), "Passed!" );
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| 63 | ok( a.planes[5].equals( p5 ), "Passed!" );
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| 64 |
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| 65 | // ensure it is a true copy by modifying source
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| 66 | b.planes[0] = p1;
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| 67 | ok( a.planes[0].equals( p0 ), "Passed!" );
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| 68 | });
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| 69 |
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| 70 | test( "setFromMatrix/makeOrthographic/containsPoint", function() {
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| 71 | var m = new THREE.Matrix4().makeOrthographic( -1, 1, -1, 1, 1, 100 )
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| 72 | var a = new THREE.Frustum().setFromMatrix( m );
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| 73 |
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| 74 | ok( ! a.containsPoint( new THREE.Vector3( 0, 0, 0 ) ), "Passed!" );
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| 75 | ok( a.containsPoint( new THREE.Vector3( 0, 0, -50 ) ), "Passed!" );
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| 76 | ok( a.containsPoint( new THREE.Vector3( 0, 0, -1.001 ) ), "Passed!" );
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| 77 | ok( a.containsPoint( new THREE.Vector3( -1, -1, -1.001 ) ), "Passed!" );
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| 78 | ok( ! a.containsPoint( new THREE.Vector3( -1.1, -1.1, -1.001 ) ), "Passed!" );
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| 79 | ok( a.containsPoint( new THREE.Vector3( 1, 1, -1.001 ) ), "Passed!" );
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| 80 | ok( ! a.containsPoint( new THREE.Vector3( 1.1, 1.1, -1.001 ) ), "Passed!" );
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| 81 | ok( a.containsPoint( new THREE.Vector3( 0, 0, -100 ) ), "Passed!" );
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| 82 | ok( a.containsPoint( new THREE.Vector3( -1, -1, -100 ) ), "Passed!" );
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| 83 | ok( ! a.containsPoint( new THREE.Vector3( -1.1, -1.1, -100.1 ) ), "Passed!" );
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| 84 | ok( a.containsPoint( new THREE.Vector3( 1, 1, -100 ) ), "Passed!" );
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| 85 | ok( ! a.containsPoint( new THREE.Vector3( 1.1, 1.1, -100.1 ) ), "Passed!" );
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| 86 | ok( ! a.containsPoint( new THREE.Vector3( 0, 0, -101 ) ), "Passed!" );
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| 87 |
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| 88 | });
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| 89 |
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| 90 | test( "setFromMatrix/makeFrustum/containsPoint", function() {
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| 91 | var m = new THREE.Matrix4().makeFrustum( -1, 1, -1, 1, 1, 100 )
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| 92 | var a = new THREE.Frustum().setFromMatrix( m );
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| 93 |
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| 94 | ok( ! a.containsPoint( new THREE.Vector3( 0, 0, 0 ) ), "Passed!" );
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| 95 | ok( a.containsPoint( new THREE.Vector3( 0, 0, -50 ) ), "Passed!" );
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| 96 | ok( a.containsPoint( new THREE.Vector3( 0, 0, -1.001 ) ), "Passed!" );
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| 97 | ok( a.containsPoint( new THREE.Vector3( -1, -1, -1.001 ) ), "Passed!" );
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| 98 | ok( ! a.containsPoint( new THREE.Vector3( -1.1, -1.1, -1.001 ) ), "Passed!" );
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| 99 | ok( a.containsPoint( new THREE.Vector3( 1, 1, -1.001 ) ), "Passed!" );
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| 100 | ok( ! a.containsPoint( new THREE.Vector3( 1.1, 1.1, -1.001 ) ), "Passed!" );
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| 101 | ok( a.containsPoint( new THREE.Vector3( 0, 0, -99.999 ) ), "Passed!" );
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| 102 | ok( a.containsPoint( new THREE.Vector3( -99.999, -99.999, -99.999 ) ), "Passed!" );
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| 103 | ok( ! a.containsPoint( new THREE.Vector3( -100.1, -100.1, -100.1 ) ), "Passed!" );
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| 104 | ok( a.containsPoint( new THREE.Vector3( 99.999, 99.999, -99.999 ) ), "Passed!" );
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| 105 | ok( ! a.containsPoint( new THREE.Vector3( 100.1, 100.1, -100.1 ) ), "Passed!" );
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| 106 | ok( ! a.containsPoint( new THREE.Vector3( 0, 0, -101 ) ), "Passed!" );
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| 107 | });
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| 108 |
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| 109 | test( "setFromMatrix/makeFrustum/intersectsSphere", function() {
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| 110 | var m = new THREE.Matrix4().makeFrustum( -1, 1, -1, 1, 1, 100 )
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| 111 | var a = new THREE.Frustum().setFromMatrix( m );
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| 112 |
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| 113 | ok( ! a.intersectsSphere( new THREE.Sphere( new THREE.Vector3( 0, 0, 0 ), 0 ) ), "Passed!" );
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| 114 | ok( ! a.intersectsSphere( new THREE.Sphere( new THREE.Vector3( 0, 0, 0 ), 0.9 ) ), "Passed!" );
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| 115 | ok( a.intersectsSphere( new THREE.Sphere( new THREE.Vector3( 0, 0, 0 ), 1.1 ) ), "Passed!" );
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| 116 | ok( a.intersectsSphere( new THREE.Sphere( new THREE.Vector3( 0, 0, -50 ), 0 ) ), "Passed!" );
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| 117 | ok( a.intersectsSphere( new THREE.Sphere( new THREE.Vector3( 0, 0, -1.001 ), 0 ) ), "Passed!" );
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| 118 | ok( a.intersectsSphere( new THREE.Sphere( new THREE.Vector3( -1, -1, -1.001 ), 0 ) ), "Passed!" );
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| 119 | ok( ! a.intersectsSphere( new THREE.Sphere( new THREE.Vector3( -1.1, -1.1, -1.001 ), 0 ) ), "Passed!" );
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| 120 | ok( a.intersectsSphere( new THREE.Sphere( new THREE.Vector3( -1.1, -1.1, -1.001 ), 0.5 ) ), "Passed!" );
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| 121 | ok( a.intersectsSphere( new THREE.Sphere( new THREE.Vector3( 1, 1, -1.001 ), 0 ) ), "Passed!" );
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| 122 | ok( ! a.intersectsSphere( new THREE.Sphere( new THREE.Vector3( 1.1, 1.1, -1.001 ), 0 ) ), "Passed!" );
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| 123 | ok( a.intersectsSphere( new THREE.Sphere( new THREE.Vector3( 1.1, 1.1, -1.001 ), 0.5 ) ), "Passed!" );
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| 124 | ok( a.intersectsSphere( new THREE.Sphere( new THREE.Vector3( 0, 0, -99.999 ), 0 ) ), "Passed!" );
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| 125 | ok( a.intersectsSphere( new THREE.Sphere( new THREE.Vector3( -99.999, -99.999, -99.999 ), 0 ) ), "Passed!" );
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| 126 | ok( ! a.intersectsSphere( new THREE.Sphere( new THREE.Vector3( -100.1, -100.1, -100.1 ), 0 ) ), "Passed!" );
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| 127 | ok( a.intersectsSphere( new THREE.Sphere( new THREE.Vector3( -100.1, -100.1, -100.1 ), 0.5 ) ), "Passed!" );
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| 128 | ok( a.intersectsSphere( new THREE.Sphere( new THREE.Vector3( 99.999, 99.999, -99.999 ), 0 ) ), "Passed!" );
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| 129 | ok( ! a.intersectsSphere( new THREE.Sphere( new THREE.Vector3( 100.1, 100.1, -100.1 ), 0 ) ), "Passed!" );
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| 130 | ok( a.intersectsSphere( new THREE.Sphere( new THREE.Vector3( 100.1, 100.1, -100.1 ), 0.2 ) ), "Passed!" );
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| 131 | ok( ! a.intersectsSphere( new THREE.Sphere( new THREE.Vector3( 0, 0, -101 ), 0 ) ), "Passed!" );
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| 132 | ok( a.intersectsSphere( new THREE.Sphere( new THREE.Vector3( 0, 0, -101 ), 1.1 ) ), "Passed!" );
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| 133 | });
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| 134 |
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| 135 | test( "clone", function() {
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| 136 |
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| 137 | var p0 = new THREE.Plane( unit3, -1 );
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| 138 | var p1 = new THREE.Plane( unit3, 1 );
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| 139 | var p2 = new THREE.Plane( unit3, 2 );
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| 140 | var p3 = new THREE.Plane( unit3, 3 );
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| 141 | var p4 = new THREE.Plane( unit3, 4 );
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| 142 | var p5 = new THREE.Plane( unit3, 5 );
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| 143 |
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| 144 | var b = new THREE.Frustum( p0, p1, p2, p3, p4, p5 );
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| 145 | var a = b.clone();
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| 146 | ok( a.planes[0].equals( p0 ), "Passed!" );
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| 147 | ok( a.planes[1].equals( p1 ), "Passed!" );
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| 148 | ok( a.planes[2].equals( p2 ), "Passed!" );
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| 149 | ok( a.planes[3].equals( p3 ), "Passed!" );
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| 150 | ok( a.planes[4].equals( p4 ), "Passed!" );
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| 151 | ok( a.planes[5].equals( p5 ), "Passed!" );
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| 152 |
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| 153 | // ensure it is a true copy by modifying source
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| 154 | a.planes[0].copy( p1 );
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| 155 | ok( b.planes[0].equals( p0 ), "Passed!" );
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| 156 | }); |
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