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Contents
module Mittsu
class BufferAttribute
attr_accessor :array, :item_size, :needs_update
def initialize(array, item_size)
@array = array
@item_size = item_size
@needs_update = false
end
def length
@array.length
end
def copy_at(index1, attribute, index2)
index1 *= @item_size
index2 *= attribute.item_size
@item_size.times do |i|
@array[index1 + i] = attribute.array[index2 + i]
end
self
end
def set(value, offset)
offset ||= 0
@array[offset, value.length] = value
self
end
def set_x(index, x)
@array[index * @item_size] = x
self
end
def set_y(index, y)
@array[index * @item_size + 1] = y
self
end
def set_z(index, z)
@array[index * @item_size + 2] = z
self
end
def set_xy(index, x, y)
index *= @item_size
@array[index ] = x
@array[index + 1] = y
self
end
def set_xyz(index, x, y, z)
index *= @item_size
@array[index ] = x
@array[index + 1] = y
@array[index + 2] = z
self
end
def set_xyzw(index, x, y, z, w)
index *= @item_size
@array[index ] = x
@array[index + 1] = y
@array[index + 2] = z
@array[index + 3] = w
self
end
def clone
BufferAttribute.new(@array.clone, @item_size)
end
end
end
Version data entries
17 entries across 17 versions & 1 rubygems