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Copy pathExplodeModifier.js
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43 lines (29 loc) · 781 Bytes
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/**
* Make all faces use unique vertices
* so that each face can be separated from others
*
* @author alteredq / http://alteredqualia.com/
*/
THREE.ExplodeModifier = function () {
};
THREE.ExplodeModifier.prototype.modify = function ( geometry ) {
var vertices = [];
for ( var i = 0, il = geometry.faces.length; i < il; i ++ ) {
var n = vertices.length;
var face = geometry.faces[ i ];
var a = face.a;
var b = face.b;
var c = face.c;
var va = geometry.vertices[ a ];
var vb = geometry.vertices[ b ];
var vc = geometry.vertices[ c ];
vertices.push( va.clone() );
vertices.push( vb.clone() );
vertices.push( vc.clone() );
face.a = n;
face.b = n + 1;
face.c = n + 2;
}
geometry.vertices = vertices;
delete geometry.__tmpVertices;
}