Zframework finished

Zframework/sysFX.lua

@@ -0,0 +1,42 @@
+local gc=love.graphics
+local setColor=gc.setColor
+local setWidth=gc.setLineWidth
+local rect=gc.rectangle
+
+local fx={}
+
+local FXdraw={}
+function FXdraw.ripple(S)
+	setWidth(6)
+	setColor(1,1,1,1-S.t)
+	local r=(10*S.t)^1.2
+	rect("line",S[1]-r,S[2]-r,S[3]+2*r,S[4]+2*r)
+end
+function FXdraw.shade(S)
+	setColor(S[1],S[2],S[3],1-S.t)
+	rect("fill",S[4],S[5],S[6],S[7],2)
+end
+
+local sysFX={}
+function sysFX.update(dt)
+	for i=#fx,1,-1 do
+		local S=fx[i]
+		S.t=S.t+dt*S.rate
+		if S.t>=1 then
+			for i=i,#fx do
+				fx[i]=fx[i+1]
+			end
+		end
+	end
+end
+function sysFX.draw()
+	for i=1,#fx do
+		fx[i]:draw()
+	end
+end
+--0=ripple,x,y,w,h
+--1=shade,r,g,b,x,y,w,h
+function sysFX.new(type,duration,...)
+	fx[#fx+1]={draw=FXdraw[type],t=0,rate=1/duration,...}
+end
+return sysFX