private final int method465(Model model, int id) {
		int dest = -1;
		int x = model.xVertex[id];
		int y = model.yVertex[id];
		int z = model.zVertex[id];
		for (int i = 0; i < vertexCount; i++) {
			if (x != xVertex[i] || y != yVertex[i] || z != zVertex[i]) {
				continue;
			}
			dest = i;
			break;
		}
		if (dest == -1) {
			xVertex[vertexCount] = x;
			yVertex[vertexCount] = y;
			zVertex[vertexCount] = z;
			if (model.vertexVSkins != null) {
				vertexVSkins[vertexCount] = model.vertexVSkins[id];
			}
			dest = vertexCount++;
		}
		return dest;
	}