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( "Line3" );
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6 |
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7 | test( "constructor/equals", function() {
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8 | var a = new THREE.Line3();
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9 | ok( a.start.equals( zero3 ), "Passed!" );
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10 | ok( a.end.equals( zero3 ), "Passed!" );
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11 |
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12 | a = new THREE.Line3( two3.clone(), one3.clone() );
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13 | ok( a.start.equals( two3 ), "Passed!" );
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14 | ok( a.end.equals( one3 ), "Passed!" );
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15 | });
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16 |
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17 | test( "copy/equals", function() {
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18 | var a = new THREE.Line3( zero3.clone(), one3.clone() );
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19 | var b = new THREE.Line3().copy( a );
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20 | ok( b.start.equals( zero3 ), "Passed!" );
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21 | ok( b.end.equals( one3 ), "Passed!" );
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22 |
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23 | // ensure that it is a true copy
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24 | a.start = zero3;
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25 | a.end = one3;
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26 | ok( b.start.equals( zero3 ), "Passed!" );
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27 | ok( b.end.equals( one3 ), "Passed!" );
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28 | });
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29 |
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30 | test( "set", function() {
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31 | var a = new THREE.Line3();
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32 |
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33 | a.set( one3, one3 );
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34 | ok( a.start.equals( one3 ), "Passed!" );
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35 | ok( a.end.equals( one3 ), "Passed!" );
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36 | });
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37 |
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38 | test( "at", function() {
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39 | var a = new THREE.Line3( one3.clone(), new THREE.Vector3( 1, 1, 2 ) );
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40 |
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41 | ok( a.at( -1 ).distanceTo( new THREE.Vector3( 1, 1, 0 ) ) < 0.0001, "Passed!" );
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42 | ok( a.at( 0 ).distanceTo( one3.clone() ) < 0.0001, "Passed!" );
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43 | ok( a.at( 1 ).distanceTo( new THREE.Vector3( 1, 1, 2 ) ) < 0.0001, "Passed!" );
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44 | ok( a.at( 2 ).distanceTo( new THREE.Vector3( 1, 1, 3 ) ) < 0.0001, "Passed!" );
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45 | });
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46 |
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47 | test( "closestPointToPoint/closestPointToPointParameter", function() {
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48 | var a = new THREE.Line3( one3.clone(), new THREE.Vector3( 1, 1, 2 ) );
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49 |
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50 | // nearby the ray
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51 | ok( a.closestPointToPointParameter( zero3.clone(), true ) == 0, "Passed!" );
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52 | var b1 = a.closestPointToPoint( zero3.clone(), true );
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53 | ok( b1.distanceTo( new THREE.Vector3( 1, 1, 1 ) ) < 0.0001, "Passed!" );
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54 |
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55 | // nearby the ray
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56 | ok( a.closestPointToPointParameter( zero3.clone(), false ) == -1, "Passed!" );
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57 | var b2 = a.closestPointToPoint( zero3.clone(), false );
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58 | ok( b2.distanceTo( new THREE.Vector3( 1, 1, 0 ) ) < 0.0001, "Passed!" );
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59 |
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60 | // nearby the ray
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61 | ok( a.closestPointToPointParameter( new THREE.Vector3( 1, 1, 5 ), true ) == 1, "Passed!" );
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62 | var b = a.closestPointToPoint( new THREE.Vector3( 1, 1, 5 ), true );
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63 | ok( b.distanceTo( new THREE.Vector3( 1, 1, 2 ) ) < 0.0001, "Passed!" );
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64 |
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65 | // exactly on the ray
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66 | ok( a.closestPointToPointParameter( one3.clone(), true ) == 0, "Passed!" );
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67 | var c = a.closestPointToPoint( one3.clone(), true );
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68 | ok( c.distanceTo( one3.clone() ) < 0.0001, "Passed!" );
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69 | }); |
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