整理代码，微调节日主题变色逻辑

parts/player/draw.lua

@@ -2,7 +2,7 @@ local gc=love.graphics
 local gc_push,gc_pop,gc_scale,gc_translate=gc.push,gc.pop,gc.scale,gc.translate
 local gc_draw,gc_print,gc_line,gc_rectangle,gc_circle=gc.draw,gc.print,gc.line,gc.rectangle,gc.circle
 local gc_setColor,gc_setLineWidth=gc.setColor,gc.setLineWidth
-local TIME=love.timer.getTime
+local TIME=TIME
 local int,ceil,rnd=math.floor,math.ceil,math.random
 local max,min,sin=math.max,math.min,math.sin
 local SCR=SCR