Added blinking when clicking wrong circles

objects/circle.lua

@@ -13,25 +13,34 @@ function gen:new(game,x,y,color,grid)
 	Circle:register("Circle")
 	Circle:register(color)
 	Circle.selected = false
+	Circle.highlight = false
+	Circle.highlightTimer = game:Timer(0.08)
 
 	function Circle:step(dt)
-		if self.color=="neutron" and self:isMyTurn()then
-			if not self.selected then
-				self.moves = self:findAvailableMoves()
-				self.selected = true
-			end
-		end
 		self.drawx = self.drawx + (self.rect.x-self.drawx)/10
 		self.drawy = self.drawy + (self.rect.y-self.drawy)/10
+
+		if self.highlight then
+			self.highlightTimer:tick(dt)
+			if self.highlightTimer.loops > 3 then
+				self.highlight = false
+				self.highlightTimer.loops = 0
+			end
+		end
 	end
 
 	function Circle:isMyTurn()
-		return self.color=="pink" and self.grid.turn==1 or self.color=="blue" and self.grid.turn==3 or self.color=="neutron" and self.grid.turn%2==0
+		return self:getTurn()==self.color
+	end
+
+	function Circle:getTurn()
+		local turns = {"neutron","pink","neutron","blue"}
+		return turns[self.grid.turn+1]
 	end
 
 	function Circle:draw()
 		local spriteindex = 1
-		if self.selected then spriteindex = 2 end
+		if self.selected or self.highlight and self.highlightTimer.loops%2==0 then spriteindex = 2 end
 		lg.draw(self.sprites[spriteindex],self.drawx-self.game.camerax-self.spriteoffx,self.drawy-self.game.cameray-self.spriteoffy)
 		if self.selected then
 			local i
@@ -42,7 +51,8 @@ function gen:new(game,x,y,color,grid)
 	end
 
 	function Circle:MouseCallback(x,y,presses)
-		if self.rect:collidepoint(x,y) and self:isMyTurn() then
+		if self.rect:collidepoint(x,y) then
+			if self:isMyTurn() then
 				local c = self.game:findName("Circle")
 				local i
 				for i=1,#c do
@@ -54,6 +64,13 @@ function gen:new(game,x,y,color,grid)
 					self.moves = self:findAvailableMoves()
 					self.depth = 2
 				end
+			else
+				objs = self.game:findName(self:getTurn())
+				local i
+				for i=1,#objs do
+					objs[i].highlight = true
+				end
+			end
 		end
 		if self.selected then
 			local i