Files
Techmino/Zframework/text.lua

126 lines
2.5 KiB
Lua

local gc=love.graphics
local rnd=math.random
local rem=table.remove
local setFont,mStr=setFont,mStr
local texts={}
local textFX={}
function textFX.appear(t)
mStr(t.text,t.x,t.y-t.font*.7)
end
function textFX.sudden(t)
gc.setColor(1,1,1,1-t.c)
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)
elseif t.c>.8 then
gc.rotate((t.c-.8)^2*-4)
end
mStr(t.text,0,-t.font*.7)
gc.pop()
end
function textFX.flicker(t)
local _,_,_,T=gc.getColor()
gc.setColor(1,1,1,T*(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 textFX.score(t)
local _,_,_,T=gc.getColor()
gc.setColor(1,1,1,T*.5)
mStr(t.text,t.x,t.y-t.font*.7-t.c^.2*50)
end
local TEXT={}
function TEXT.clear()
texts={}
end
function TEXT.getText(text,x,y,font,style,spd,stop)--Another version of TEXT()
return{
c=0,
text=text,
x=x or 0,
y=y or 0,
font=font or 40,
spd=(spd or 1)/60,
stop=stop,
draw=textFX[style]or assert(false,"unavailable type:"..style),
}
end
function TEXT.show(text,x,y,font,style,spd,stop)
texts[#texts+1]={
c=0, --Timer
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(1=last 1 sec)
stop=stop, --Stop time(sustained text)
draw=textFX[style]or assert(false,"unavailable type:"..style), --Draw method
}
end
function TEXT.update(list)
if not list then list=texts end
for i=#list,1,-1 do
local t=list[i]
t.c=t.c+t.spd
if t.stop then
if t.c>t.stop then
t.c=t.stop
end
end
if t.c>1 then
rem(list,i)
end
end
end
function TEXT.draw(list)
if not list then list=texts end
for i=1,#list do
local t=list[i]
local p=t.c
gc.setColor(1,1,1,p<.2 and p*5 or p<.8 and 1 or 5-p*5)
setFont(t.font)
t:draw()
end
end
return TEXT