着色器技术飞跃

框架跟进

parts/shaders/grad1.glsl

@@ -1,9 +1,9 @@
-extern float t,w;
-vec4 effect(vec4 color,Image tex,vec2 tex_coords,vec2 scr_coords){
-    float x=scr_coords.x/w;
+uniform float phase;
+vec4 effect(vec4 color,sampler2D tex,vec2 texCoord,vec2 scrCoord){
+    float x=scrCoord.x/love_ScreenSize.x;
     return vec4(
         .8-x*.6,
-        .3+.2*sin(t),
+        .3+.2*sin(phase),
         .15+x*.7,
         .4
     );