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@@ -3703,8 +3703,8 @@ Matrix4.prototype = {
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multiplyMatrices: function ( a, b ) {
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multiplyMatrices: function ( a, b ) {
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- var ae = (a == this) ? a.elements.slice() : a.elements;
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- var be = (b == this) ? b.elements.slice() : b.elements;
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+ var ae = (a === this) ? a.elements.slice() : a.elements;
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+ var be = (b === this) ? b.elements.slice() : b.elements;
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var te = this.elements;
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var te = this.elements;
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te[ 0 ] = ae[ 0 ] * be[ 0 ] + ae[ 4 ] * be[ 1 ] + ae[ 8 ] * be[ 2 ] + ae[ 12 ] * be[ 3 ];
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te[ 0 ] = ae[ 0 ] * be[ 0 ] + ae[ 4 ] * be[ 1 ] + ae[ 8 ] * be[ 2 ] + ae[ 12 ] * be[ 3 ];
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