128 lines
2.7 KiB
Lua
128 lines
2.7 KiB
Lua
local gc=love.graphics
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local gc_getColor,gc_setColor,gc_push,gc_pop,gc_translate,gc_scale,gc_rotate,gc_shear
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=gc.getColor,gc.setColor,gc.push,gc.pop,gc.translate,gc.scale,gc.rotate,gc.shear
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local int,rnd,rem=math.floor,math.random,table.remove
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local setFont,mStr=setFont,mStr
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local texts={}
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local textFX={}
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function textFX.appear(t)
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mStr(t.text,t.x,t.y-t.font*.7)
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end
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function textFX.sudden(t)
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gc_setColor(1,1,1,1-t.c)
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mStr(t.text,t.x,t.y-t.font*.7)
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end
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function textFX.fly(t)
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mStr(t.text,t.x+(t.c-.5)^3*300,t.y-t.font*.7)
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end
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function textFX.stretch(t)
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gc_push("transform")
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gc_translate(t.x,t.y)
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if t.c<.3 then gc_scale((.3-t.c)*1.6+1,1)end
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mStr(t.text,0,-t.font*.7)
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gc_pop()
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end
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function textFX.drive(t)
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gc_push("transform")
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gc_translate(t.x,t.y)
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if t.c<.3 then gc_shear((.3-t.c)*2,0)end
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mStr(t.text,0,-t.font*.7)
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gc_pop()
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end
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function textFX.spin(t)
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gc_push("transform")
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gc_translate(t.x,t.y)
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if t.c<.3 then
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gc_rotate((.3-t.c)^2*4)
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elseif t.c>.8 then
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gc_rotate((t.c-.8)^2*-4)
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end
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mStr(t.text,0,-t.font*.7)
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gc_pop()
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end
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function textFX.flicker(t)
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local _,_,_,T=gc_getColor()
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gc_setColor(1,1,1,T*(rnd()+.5))
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mStr(t.text,t.x,t.y-t.font*.7)
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end
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function textFX.zoomout(t)
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gc_push("transform")
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local k=t.c^.5*.1+1
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gc_translate(t.x,t.y)
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gc_scale(k,k)
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mStr(t.text,0,-t.font*.7)
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gc_pop()
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end
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function textFX.beat(t)
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gc_push("transform")
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gc_translate(t.x,t.y)
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if t.c<.3 then
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local k=1.3-t.c^2/.3
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gc_scale(k,k)
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end
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mStr(t.text,0,-t.font*.7)
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gc_pop()
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end
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function textFX.score(t)
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local _,_,_,T=gc_getColor()
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gc_setColor(1,1,1,T*.5)
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mStr(t.text,t.x,t.y-t.font*.7-t.c^.2*50)
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end
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local TEXT={}
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function TEXT.clear()
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texts={}
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end
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function TEXT.show(text,x,y,font,style,spd,stop)
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texts[#texts+1]={
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c=0, --Timer
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text=text, --String
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x=x or 0, --X
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y=y or 0, --Y
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font=int(font/5)*5 or 40, --Font
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spd=(spd or 1)/60, --Timing speed(1=last 1 sec)
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stop=stop, --Stop time(sustained text)
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draw=textFX[style]or error("unavailable type:"..style), --Draw method
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}
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end
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function TEXT.getText(text,x,y,font,style,spd,stop)--Another version of TEXT.show(), but only return text object, need manual management
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return{
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c=0,
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text=text,
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x=x or 0,
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y=y or 0,
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font=int(font/5)*5 or 40,
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spd=(spd or 1)/60,
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stop=stop,
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draw=textFX[style]or error("unavailable type:"..style),
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}
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end
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function TEXT.update(list)
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if not list then list=texts end
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for i=#list,1,-1 do
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local t=list[i]
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t.c=t.c+t.spd
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if t.stop then
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if t.c>t.stop then
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t.c=t.stop
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end
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end
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if t.c>1 then
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rem(list,i)
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end
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end
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end
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function TEXT.draw(list)
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if not list then list=texts end
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for i=1,#list do
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local t=list[i]
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local p=t.c
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gc_setColor(1,1,1,p<.2 and p*5 or p<.8 and 1 or 5-p*5)
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setFont(t.font)
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t:draw()
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end
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end
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return TEXT |