RubyGL::Point

# File lib/rubygl/geometry.rb, line 10
def initialize(x, y, z = 0)
    @x = x
    @y = y
    @z = z
end

# File lib/rubygl/geometry.rb, line 24
def *(point)
    Point.new(@x * point.x, @y * point.y, @z * point.z)
end

# File lib/rubygl/geometry.rb, line 16
def +(point)
    Point.new(@x + point.x, @y + point.y, @z + point.z)
end

# File lib/rubygl/geometry.rb, line 20
def -(point)
    Point.new(@x - point.x, @y - point.y, @z - point.z)
end

# File lib/rubygl/geometry.rb, line 32
def distance(point)
    temp = self - point
    
    Math::sqrt(temp.x * temp.x + temp.y * temp.y + temp.z * temp.z)
end

# File lib/rubygl/geometry.rb, line 38
def midpoint(point)
    Point.new((@x + point.x) * 0.5, (@y + point.y) * 0.5, (@z + point.z) * 0.5)
end

# File lib/rubygl/geometry.rb, line 28
def scale(value)
    Point.new(@x * value, @y * value, @z * value)
end

# File lib/rubygl/geometry.rb, line 46
def to_a
    self.to_ary
end

# File lib/rubygl/geometry.rb, line 42
def to_ary
    [@x, @y, @z]
end