105 lines
2.1 KiB
Lua
105 lines
2.1 KiB
Lua
local gc=love.graphics
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local rnd=math.random
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local mStr=mStr
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local rem=table.remove
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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.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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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 _,τ,T,Τ=gc.getColor()
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gc.setColor(_,τ,T,Τ*(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 getTEXT(text,x,y,font,style,spd,stop)
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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=font 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--another version of TEXT()
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function TEXT(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=font 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 updateText(list)
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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>60 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 drawTexts(list)
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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 |