lib/mageo/vector3dinternal.rb in mageo-0.0.0 vs lib/mageo/vector3dinternal.rb in mageo-0.0.1

- old
+ new

@@ -1,11 +1,11 @@ require 'mageo/vector3d.rb' class Array - def to_v3di - Vector3DInternal[ *self ] - end + def to_v3di + Vector3DInternal[ *self ] + end end # 内部座標系( internal coordinate ) でのベクトルを表現するクラス。 # 直交座標系とは違い、内積・外積などの角度を含む演算が無効。 # (直交座標と間違えて)内部座標で内積を求めるなど誤った演算を例外で止めるのが目的。 @@ -15,111 +15,110 @@ # # 軸の情報は持たない。 # 軸に関係ない抽象的な内部座標について議論することもありうるし、 # 軸情報が必要なのは to_v3d メソッドくらいなので。 class Vector3DInternal < Vector3D - class RangeError < Exception; end - class TypeError < Exception; end + class RangeError < Exception; end + class TypeError < Exception; end - #要素数3以外では例外 Vector3DInternalSizeError を発生。 - def self.[]( *args ) - raise RangeError unless args.size == 3 - super *args - end + #要素数3以外では例外 Vector3DInternalSizeError を発生。 + def self.[]( *args ) + raise RangeError unless args.size == 3 + super *args + end - ## Return order of vector. In this class, always three. - #def size - # return 3 - #end + ## Return order of vector. In this class, always three. + #def size + # return 3 + #end - # Return self. - def to_v3di - return self - end + # Return self. + def to_v3di + return self + end - # Convert to Vector3D. Non-destructive. - def to_v3d( axes ) - result = [ 0.0, 0.0, 0.0 ] - 3.times do |i| - 3.times do |j| - result[i] += ( self[j] * axes[j][i] ) - end - end - Vector3D[ *result ] - end + # Convert to Vector3D. Non-destructive. + def to_v3d( axes ) + result = [ 0.0, 0.0, 0.0 ] + 3.times do |i| + 3.times do |j| + result[i] += ( self[j] * axes[j][i] ) + end + end + Vector3D[ *result ] + end - ## Return an array converted from self. - #def to_a - # @coords - #end + ## Return an array converted from self. + #def to_a + # @coords + #end - ## Check the same vector self and other. - ## Return false if the size of other is not three. - #def ==( other ) - # return false if other.size != 3 - # 3.times { |i| - # return false if self[i] != other[i] - # } - # return true - #end + ## Check the same vector self and other. + ## Return false if the size of other is not three. + #def ==( other ) + # return false if other.size != 3 + # 3.times { |i| + # return false if self[i] != other[i] + # } + # return true + #end - #0〜2 以外の要素にアクセスしようとすると例外 Vector3DInternal::RangeError を発生。 - def []( index ) - raise RangeError if ( index < 0 || 2 < index ) - super index - end + #0〜2 以外の要素にアクセスしようとすると例外 Vector3DInternal::RangeError を発生。 + def []( index ) + raise RangeError if ( index < 0 || 2 < index ) + super index + end - #0〜2 以外の要素にアクセスしようとすると例外 Vector3DInternal::RangeError を発生。 - def []=( index, val ) - raise RangeError if ( index < 0 || 2 < index ) - super index, val - end + #0〜2 以外の要素にアクセスしようとすると例外 Vector3DInternal::RangeError を発生。 + def []=( index, val ) + raise RangeError if ( index < 0 || 2 < index ) + super index, val + end - #ベクトルとしての加算 - def +(vec) - unless vec.class == Vector3DInternal - raise TypeError, - "Argument: #{vec.inspect}, #{vec.class}." - end - result = Vector3DInternal[0.0, 0.0, 0.0] - 3.times do |i| - result[ i ] = (self[ i ] + vec[ i ]) - end - result - end + #ベクトルとしての加算 + def +(vec) + unless vec.class == Vector3DInternal + raise TypeError, + "Argument: #{vec.inspect}, #{vec.class}." + end + result = Vector3DInternal[0.0, 0.0, 0.0] + 3.times do |i| + result[ i ] = (self[ i ] + vec[ i ]) + end + result + end - #ベクトルとしての減算 - def -( vec ) - unless vec.class == Vector3DInternal - raise TypeError, - "Argument: #{vec.inspect}, #{vec.class}." - end - result = Vector3DInternal[0.0, 0.0, 0.0] - 3.times do |i| - result[ i ] = (self[ i ] - vec[ i ]) - end - result - end + #ベクトルとしての減算 + def -( vec ) + unless vec.class == Vector3DInternal + raise TypeError, + "Argument: #{vec.inspect}, #{vec.class}." + end + result = Vector3DInternal[0.0, 0.0, 0.0] + 3.times do |i| + result[ i ] = (self[ i ] - vec[ i ]) + end + result + end - #ベクトルとしての乗算 - def *( val ) - result = Vector3DInternal[0.0, 0.0, 0.0] - 3.times do |i| - result[ i ] = ( self[ i ] * val ) - end - result - end + #ベクトルとしての乗算 + def *( val ) + result = Vector3DInternal[0.0, 0.0, 0.0] + 3.times do |i| + result[ i ] = ( self[ i ] * val ) + end + result + end - ## each method - #def each - # @coords.each { |i| - # yield( i ) - # } - #end + ## each method + #def each + # @coords.each { |i| + # yield( i ) + # } + #end - #private - ## - #def initialize( a, b, c ) - # @coords = [ a, b, c ] - #end - + #private + ## + #def initialize( a, b, c ) + # @coords = [ a, b, c ] + #end end