def InterpolateOpacity(self,Start,End,Tile1,Tile2):
start = self.getTile(Start).center
end = self.getTile(End).center
point = self.getTile(Tile1).center
d1 = HexMath.distancefromLine(start[0],start[1],end[0],end[1], point[0], point[1])
point = self.getTile(Tile2).center
d2 = HexMath.distancefromLine(start[0],start[1],end[0],end[1], point[0], point[1])
d1 = round((d1/float((d1+d2))),2) #percentage distance for d1
d2 = round(1.0 - d1,2) # precentage distance for d2
#weight view difficulty
return round((self.getTile(Tile1).opacity * d1 + self.getTile(Tile2).opacity * d2),2)
def getFov(self,Pos,Range):
#rather slow lot of overhead,needs to work with 120 tiles
List = self.getTilesbyDistance(Pos,Range,minDistance=1)
for element in List:
rtrOpacity = 0
intersected = self.intersectingline(self.getTile(Pos),self.getTile(element))
for tile in intersected:
if tile[0] == 1: #line did just intercept one tile so add seeing difficulty
rtrOpacity += self.getTile(tile[1]).opacity
else: #two hexes intercepted, calculate mean difficulty weighted by distance
start = self.getTile(Pos).center
end = self.getTile(element).center
point = self.getTile(tile[1]).center
d1 = HexMath.distancefromLine(start[0],start[1],end[0],end[1], point[0], point[1])
point = self.getTile(tile[2]).center
d2 = HexMath.distancefromLine(start[0],start[1],end[0],end[1], point[0], point[1])
d1 = round((d1/float((d1+d2))),2) #percentage distance for d1
d2 = round(1.0 - d1,2) # precentage distance for d2
#weight view difficulty
opacity = round((self.getTile(tile[1]).opacity * d1 + self.getTile(tile[2]).opacity * d2),2)
rtrOpacity += opacity
