feat(all): 迁移扩展相关功能

2026-04-08 15:34:43 +08:00
parent ad2dd979eb
commit d7c0dba569
278 changed files with 25207 additions and 62 deletions
@@ -0,0 +1,34 @@
+precision highp float;
+precision highp int;
+
+uniform sampler2D tInput;
+uniform vec2 delta;
+in vec2 coord;
+
+out vec4 fragColor;
+
+void main() {
+  /* get vertex info */
+  vec4 info = texture(tInput, coord);
+
+  /* calculate average neighbor height */
+  vec2 dx = vec2(delta.x, 0.0);
+  vec2 dy = vec2(0.0, delta.y);
+  float average = (
+    texture(tInput, coord - dx).r +
+    texture(tInput, coord - dy).r +
+    texture(tInput, coord + dx).r +
+    texture(tInput, coord + dy).r
+  ) * 0.25;
+
+  /* change the velocity to move toward the average */
+  info.g += (average - info.r) * 2.0;
+
+  /* attenuate the velocity a little so waves do not last forever */
+  info.g *= 0.995;
+
+  /* move the vertex along the velocity */
+  info.r += info.g;
+
+  fragColor = info;
+}