TEXT模块会生成文本对象用于绘制

优化绘制方式,略微提升性能
This commit is contained in:
MrZ626
2021-09-11 16:32:06 +08:00
parent 7f4591bcec
commit 19c2724e8b

View File

@@ -1,80 +1,100 @@
local gc=love.graphics
local gc_getColor,gc_setColor,gc_push,gc_pop=gc.getColor,gc.setColor,gc.push,gc.pop
local gc_translate,gc_scale,gc_rotate,gc_shear=gc.translate,gc.scale,gc.rotate,gc.shear
local getColor,setColor=gc.getColor,gc.setColor
local int,rnd=math.floor,math.random
local ins,rem=table.insert,table.remove
local mStr=mStr
local getFont=FONT.get
local draw=gc.draw
local texts={}
local textFX={}
function textFX.appear(t)
mStr(t.text,t.x,t.y-t.font*.7)
draw(
t.text,t.x,t.y,
nil,
nil,nil,
t.text:getWidth()*.5,t.text:getHeight()*.5
)
end
function textFX.sudden(t)
gc_setColor(1,1,1,1-t.c)
mStr(t.text,t.x,t.y-t.font*.7)
setColor(1,1,1,1-t.c)
draw(
t.text,t.x,t.y,
nil,
nil,nil,
t.text:getWidth()*.5,t.text:getHeight()*.5
)
end
function textFX.fly(t)
mStr(t.text,t.x+(t.c-.5)^3*300,t.y-t.font*.7)
draw(
t.text,t.x+(t.c-.5)^3*300,t.y,
nil,
nil,nil,
t.text:getWidth()*.5,t.text:getHeight()*.5
)
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()
draw(
t.text,t.x,t.y,
nil,
t.c<.3 and(.3-t.c)*1.6+1 or 1,1,
t.text:getWidth()*.5,t.text:getHeight()*.5
)
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()
draw(
t.text,t.x,t.y,
nil,
nil,nil,
t.text:getWidth()*.5,t.text:getHeight()*.5,
t.c<.3 and (.3-t.c)*2 or 0,0
)
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()
draw(
t.text,t.x,t.y,
t.c<.3 and (.3-t.c)^2*4 or t.c<.8 and 0 or (t.c-.8)^2*-4,
nil,nil,
t.text:getWidth()*.5,t.text:getHeight()*.5
)
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)
local _,_,_,T=getColor()
setColor(1,1,1,T*(rnd()+.5))
draw(
t.text,t.x,t.y,
nil,
nil,nil,
t.text:getWidth()*.5,t.text:getHeight()*.5
)
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()
draw(
t.text,t.x,t.y,
nil,
t.c^.5*.1+1,nil,
t.text:getWidth()*.5,t.text:getHeight()*.5
)
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()
local k=t.c<.3 and 1.3-t.c^2/.3 or 1
draw(
t.text,t.x,t.y,
nil,
k,k,
t.text:getWidth()*.5,t.text:getHeight()*.5
)
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)
local _,_,_,T=getColor()
setColor(1,1,1,T*.5)
draw(
t.text,t.x,t.y-0-t.c^.2*50,
nil,
nil,nil,
t.text:getWidth()*.5,t.text:getHeight()*.5
)
end
local TEXT={}
@@ -83,23 +103,21 @@ function TEXT.clear()
end
function TEXT.show(text,x,y,font,style,spd,stop)
ins(texts,{
c=0, --Timer
text=text, --String
x=x or 0, --X
y=y or 0, --Y
font=int(font/5)*5 or 40,--Font
spd=(spd or 1)/60, --Timing speed(1=last 1 sec)
stop=stop, --Stop time(sustained text)
c=0, --Timer
text=gc.newText(getFont(int(font/5)*5 or 40),text), --String
x=x or 0, --X
y=y or 0, --Y
spd=(spd or 1)/60, --Timing speed(1=last 1 sec)
stop=stop, --Stop time(sustained text)
draw=assert(textFX[style or'appear'],"no text type:"..style),--Draw method
})
end
function TEXT.getText(text,x,y,font,style,spd,stop)--Another version of TEXT.show(), but only return text object, need manual management
return{
c=0,
text=text,
text=gc.newText(getFont(int(font/5)*5 or 40),text),
x=x or 0,
y=y or 0,
font=int(font/5)*5 or 40,
spd=(spd or 1)/60,
stop=stop,
draw=textFX[style or'appear']or error("unavailable type:"..style),
@@ -129,8 +147,7 @@ function TEXT.draw(list)
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)
FONT.set(t.font)
setColor(1,1,1,p<.2 and p*5 or p<.8 and 1 or 5-p*5)
t:draw()
end
end