import math
TAU = 2 * math.pi

class SoundNode:
	
	def __init__(self, name, room):
		
		self.name = name
		self.room = room
		
		self.air_in = []
		self.air_out = []
		self.wire_in = []
		self.wire_out = []
		
		self.start_location = (0, 0, 0)
		
	def location(self, t):
		
		# Location of the soundnote (x,y,z) in meters
		# at time t.
		
		return self.start_location
			
	def distance_to_node(self, other_node, t):
		
		loc = self.location(t)
		other_loc = other_node.location(t)
	
		return (loc[0]-other_loc[0])**2 + (loc[1]-other_loc[1])**2 + (loc[2]-other_loc[2])**2
	
	def frequency_max_rel_amp(self, f, t):
		return 0
		
	def amp_at_tick(self, f, t):
		
		return self.room.max_amp * self.frequency_max_rel_amp(f, t) * math.sin(self.room.sine_multiplier * f * t)
		
	def amp_at_tick_by_air(self, f, t, node):
		
		dist = self.distance_to_node(node, t)
		t = t - ((self.room.speed_of_sound*dist)/float(self.room.sample_rate))
		
		return self.room.max_amp * self.frequency_max_rel_amp(f, t) * math.sin(self.room.sine_multiplier * f * t)