165 lines
3.1 KiB
Lua
165 lines
3.1 KiB
Lua
local gc=love.graphics
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local setColor=gc.setColor
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local setWidth=gc.setLineWidth
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local ins,rem=table.insert,table.remove
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local fx={}
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local FXupdate={}
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function FXupdate.badge(S,dt)
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S.t=S.t+dt
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if S.t<.2 then
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S.x,S.y=S.x1-14,S.y1-14
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elseif S.t<.8 then
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local t=((S.t-.2)*1.6667)
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t=(3-2*t)*t*t
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S.x,S.y=S.x1*(1-t)+S.x2*t-14,S.y1*(1-t)+S.y2*t-14
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else
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S.x,S.y=S.x2-14,S.y2-14
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end
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return S.t>=1
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end
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function FXupdate.attack(S,dt)
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S.t=S.t+dt
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local L=S.drag
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if S.t>.8 then
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S.rad=S.rad*1.05+.1
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S.x,S.y=S.x2,S.y2
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elseif S.t>.2 then
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local t=(S.t-.2)*1.6667
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t=(3-2*t)*t*t
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S.x,S.y=S.x1*(1-t)+S.x2*t,S.y1*(1-t)+S.y2*t
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ins(L,S.x)ins(L,S.y)
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end
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if #L==4+4*setting.atkFX then
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rem(L,1)rem(L,1)
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end
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return S.t>1
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end
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function FXupdate.ripple(S,dt)
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S.t=S.t+dt*S.rate
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return S.t>=1
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end
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function FXupdate.rectRipple(S,dt)
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S.t=S.t+dt*S.rate
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return S.t>=1
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end
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function FXupdate.shade(S,dt)
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S.t=S.t+dt*S.rate
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return S.t>=1
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end
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local FXdraw={}
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function FXdraw.badge(S)
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gc.setColor(1,1,1,S.t<.2 and S.t*.6 or S.t<.8 and 1 or(1-S.t)*.6)
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gc.draw(IMG.badgeIcon,S.x,S.y)
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end
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function FXdraw.attack(S)
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gc.setLineWidth(5)
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gc.push("transform")
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local t=S.t
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local a=(t<.2 and t*5 or t<.8 and 1 or 5-t*5)*S.a
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local L=S.drag
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local len=#L
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local r,g,b=S.r,S.g,S.b
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local rad,crn=S.rad,S.corner
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for i=1,len,2 do
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gc.setColor(r,g,b,.4*a*i/len)
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gc.translate(L[i],L[i+1])
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gc.rotate(t*.1)
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gc.circle("fill",0,0,rad,crn)
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gc.rotate(-t*.1)
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gc.translate(-L[i],-L[i+1])
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end
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gc.translate(S.x,S.y)
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gc.rotate(t*6)
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gc.setColor(r,g,b,a*.5)gc.circle("line",0,0,rad,crn)
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gc.setColor(r,g,b,a)gc.circle("fill",0,0,rad,crn)
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gc.pop()
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end
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function FXdraw.ripple(S)
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local t=S.t
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setWidth(2)
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setColor(1,1,1,1-t)
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gc.circle("line",S.x,S.y,t*(2-t)*S.r)
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end
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function FXdraw.rectRipple(S)
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setWidth(6)
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setColor(1,1,1,1-S.t)
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local r=(10*S.t)^1.2
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gc.rectangle("line",S.x-r,S.y-r,S.w+2*r,S.h+2*r)
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end
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function FXdraw.shade(S)
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setColor(S.r,S.g,S.b,1-S.t)
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gc.rectangle("fill",S.x,S.y,S.w,S.h,2)
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end
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local sysFX={}
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function sysFX.update(dt)
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for i=#fx,1,-1 do
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if fx[i]:update(dt) then
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rem(fx,i)
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end
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end
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end
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function sysFX.draw()
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for i=1,#fx do
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fx[i]:draw()
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end
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end
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function sysFX.newBadge(x1,y1,x2,y2)
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fx[#fx+1]={
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update=FXupdate.badge,
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draw=FXdraw.badge,
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t=0,
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x=x1,y=y1,
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x1=x1,y1=y1,
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x2=x2,y2=y2,
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}
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end
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function sysFX.newAttack(x1,y1,x2,y2,rad,corner,type,r,g,b,a)
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fx[#fx+1]={
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update=FXupdate.attack,
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draw=FXdraw.attack,
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t=0,
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x=x1,y=y1,
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x1=x1,y1=y1,--Start pos
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x2=x2,y2=y2,--End pos
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rad=rad,
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corner=corner,
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type=type,
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r=r,g=g,b=b,a=a,
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drag={},--Afterimage coordinate list
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}
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end
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function sysFX.newRipple(duration,x,y,r)
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fx[#fx+1]={
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update=FXupdate.ripple,
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draw=FXdraw.ripple,
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t=0,
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rate=1/duration,
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x=x,y=y,r=r,
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}
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end
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function sysFX.newRectRipple(duration,x,y,w,h)
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fx[#fx+1]={
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update=FXupdate.rectRipple,
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draw=FXdraw.rectRipple,
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t=0,
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rate=1/duration,
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x=x,y=y,w=w,h=h,
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}
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end
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function sysFX.newShade(duration,r,g,b,x,y,w,h)
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fx[#fx+1]={
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update=FXupdate.shade,
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draw=FXdraw.shade,
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t=0,
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rate=1/duration,
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r=r,g=g,b=b,
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x=x,y=y,w=w,h=h,
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}
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end
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return sysFX |