Method: MiniGL::Vector#rotate

Defined in:
lib/minigl/global.rb

#rotate(radians) ⇒ Object

Returns a vector corresponding to the rotation of this vector around the origin (0, 0) by radians radians.



72
73
74
75
76
 
# File 'lib/minigl/global.rb', line 72

def rotate(radians)
  sin = Math.sin radians
  cos = Math.cos radians
  Vector.new cos * @x - sin * @y, sin * @x + cos * @y
end