Merge pull request #76 from infinifen/survival-2020-math-fix

Fix a typo causing crashes in Survival 2020 level 1500+

main.lua

@@ -113,7 +113,7 @@ function love.keypressed(key, scancode)
 		saveConfig()
 		scene.restart_message = true
 		if config.secret then playSE("mode_decide")
-		else playSE("erase") end
+		else playSE("erase", "single") end
 	-- f12 is reserved for saving screenshots
 	elseif scancode == "f12" then
 		local ss_name = os.date("ss/%Y-%m-%d_%H-%M-%S.png")

tetris/modes/survival_2020.lua

@@ -201,7 +201,7 @@ end
 
 Survival2020Game.opacityFunction = function(age)
 	if age > 300 then return 0
-	else return 1 - Math.max(age - 240, 0) / 60 end
+	else return 1 - math.max(age - 240, 0) / 60 end
 end
 
 function Survival2020Game:drawGrid()