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Meshes groups problem


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I've got a problem with a scene, I've got 2 groups with 2 children on each group, and when a load it I've got an error inside BabylonJS code :

BABYLON.Mesh.prototype.isVerticesDataPresent = function(kind) {    if (!this._vertexBuffers && this._delayInfo) {        return this._delayInfo.indexOf(kind) !== -1;    }    return this._vertexBuffers[kind] !== undefined;};

The problem here is that "this" has no property _vertexBuffers (when this is a "group").



"Cubes" and "Icospheres" are groups (they didn't have any vertices), and their children are meshes.


You can find my babylon file inside this archive GroupsTests.zip

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I've quickly try something, it solves the problem, but I'm not sure that is the best way to do :

if (!this._vertexBuffers) {    if (this._delayInfo) {        return this._delayInfo.indexOf(kind) !== -1;    }    return false;}return this._vertexBuffers[kind] !== undefined; 
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