1 | ( function () {
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2 |
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3 | class LineGeometry extends THREE.LineSegmentsGeometry {
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4 |
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5 | constructor() {
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6 |
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7 | super();
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8 | this.type = 'LineGeometry';
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9 |
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10 | }
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11 |
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12 | setPositions( array ) {
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13 |
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14 |
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15 | var length = array.length - 3;
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16 | var points = new Float32Array( 2 * length );
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17 |
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18 | for ( var i = 0; i < length; i += 3 ) {
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19 |
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20 | points[ 2 * i ] = array[ i ];
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21 | points[ 2 * i + 1 ] = array[ i + 1 ];
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22 | points[ 2 * i + 2 ] = array[ i + 2 ];
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23 | points[ 2 * i + 3 ] = array[ i + 3 ];
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24 | points[ 2 * i + 4 ] = array[ i + 4 ];
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25 | points[ 2 * i + 5 ] = array[ i + 5 ];
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26 |
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27 | }
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28 |
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29 | super.setPositions( points );
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30 | return this;
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31 |
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32 | }
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33 |
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34 | setColors( array ) {
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35 |
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36 |
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37 | var length = array.length - 3;
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38 | var colors = new Float32Array( 2 * length );
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39 |
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40 | for ( var i = 0; i < length; i += 3 ) {
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41 |
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42 | colors[ 2 * i ] = array[ i ];
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43 | colors[ 2 * i + 1 ] = array[ i + 1 ];
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44 | colors[ 2 * i + 2 ] = array[ i + 2 ];
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45 | colors[ 2 * i + 3 ] = array[ i + 3 ];
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46 | colors[ 2 * i + 4 ] = array[ i + 4 ];
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47 | colors[ 2 * i + 5 ] = array[ i + 5 ];
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48 |
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49 | }
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50 |
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51 | super.setColors( colors );
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52 | return this;
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53 |
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54 | }
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55 |
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56 | fromLine( line ) {
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57 |
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58 | var geometry = line.geometry;
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59 |
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60 | if ( geometry.isGeometry ) {
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61 |
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62 | console.error( 'THREE.LineGeometry no longer supports Geometry. Use THREE.BufferGeometry instead.' );
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63 | return;
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64 |
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65 | } else if ( geometry.isBufferGeometry ) {
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66 |
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67 | this.setPositions( geometry.attributes.position.array );
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68 |
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69 | }
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70 |
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71 |
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72 | return this;
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73 |
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74 | }
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75 |
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76 | }
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77 |
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78 | LineGeometry.prototype.isLineGeometry = true;
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79 |
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80 | THREE.LineGeometry = LineGeometry;
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81 |
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82 | } )();
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