setXY method
Implementation
BufferAttribute setXY(int index, x, y) {
index *= itemSize;
array[index + 0] = x;
array[index + 1] = y;
return this;
}
BufferAttribute setXY(int index, x, y) {
index *= itemSize;
array[index + 0] = x;
array[index + 1] = y;
return this;
}