Merge pull request #64 from kushal2000/patch-2

Added nearest_point_on_line function to Line class

utils/math_functions.py

@@ -166,7 +166,13 @@ def normalized_vector(self):
 		# angle = math.atan(self.slope)
 		angle = self.angle
 		return Vector2D(math.cos(angle), math.sin(angle))
-
+
+	def nearest_point_on_line(self,point):
+		t=(point.y-self.point.y)*math.sin(self.angle)+(point.x-self.point.x)*(math.cos(self.angle))
+		x1=self.point.x+math.cos(self.angle)*t
+		y1=self.point.y+math.sin(self.angle)*t
+		point=Vector2D(x1,y1)
+		return point
 
 	##
 	## @var slope