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Techmino/text.lua
2020-02-04 19:38:48 +08:00

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Lua
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local gc=love.graphics
local rnd=math.random
local mStr=mStr
local textFX={}
function textFX.appear(t)
mStr(t.text,t.x,t.y-t.font*.7)
end
function textFX.fly(t)
mStr(t.text,t.x+(t.c-.5)^3*300,t.y-t.font*.7)
end
function textFX.stretch(t)
gc.push("transform")
gc.translate(t.x,t.y)
if t.c<.3 then gc.scale((.3-t.c)*1.6+1,1)end
mStr(t.text,0,-t.font*.7)
gc.pop()
end
function textFX.drive(t)
gc.push("transform")
gc.translate(t.x,t.y)
if t.c<.3 then gc.shear((.3-t.c)*2,0)end
mStr(t.text,0,-t.font*.7)
gc.pop()
end
function textFX.spin(t)
gc.push("transform")
gc.translate(t.x,t.y)
if t.c<.3 then
gc.rotate((.3-t.c)^2*4)
end
mStr(t.text,0,-t.font*.7)
gc.pop()
end
function textFX.flicker(t)
local _,τ,T,Τ=gc.getColor()
gc.setColor(_,τ,T,Τ*(rnd()+.5))
mStr(t.text,t.x,t.y-t.font*.7)
end
function textFX.zoomout(t)
gc.push("transform")
local k=t.c^.5*.1+1
gc.translate(t.x,t.y)
gc.scale(k,k)
mStr(t.text,0,-t.font*.7)
gc.pop()
end
function textFX.beat(t)
gc.push("transform")
gc.translate(t.x,t.y)
if t.c<.3 then
local k=1.3-t.c^2/.3
gc.scale(k,k)
end
mStr(t.text,0,-t.font*.7)
gc.pop()
end
function getTEXT(text,x,y,font,style,spd,stop)
return{
c=0, --counter
text=text, --string
x=x or 0, --x
y=y or 0, --y
font=font or 40, --font
spd=(spd or 1)/60, --timing speed
stop=stop, --timing stop
draw=textFX[style]or error("unavailable type:"..style), --draw method
}
end
function TEXT(text,x,y,font,style,spd,stop)
texts[#texts+1]={
c=0, --timer
text=text or"NaN", --string
x=x or 0, --x
y=y or 0, --y
font=font or 40, --font
spd=(spd or 1)/60, --timing speed(1=last 1 sec)
stop=stop, --stop time(sustained text)
draw=textFX[style]or error("unavailable type:"..style), --draw method
}
end