着色器技术飞跃

框架跟进

parts/backgrounds/rainbow2.lua

@@ -8,16 +8,12 @@ function back.init()
     t=math.random()*260
     BG.resize(SCR.w,SCR.h)
 end
-function back.resize(_,h)
-    shader:send('w',SCR.W)
-    shader:send('h',h*SCR.dpi)
-end
 function back.update(dt)
     t=(t+dt)%2600
 end
 function back.draw()
     gc.clear(.08,.08,.084)
-    shader:send('t',t)
+    shader:send('phase',t)
     gc.setShader(shader)
     gc.rectangle('fill',0,0,SCR.w,SCR.h)
     gc.setShader()