feat(all): 迁移扩展相关功能

packages/sdk/public/resource/shaders/water/simulation/drop_fragment.glsl

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+precision highp float;
+precision highp int;
+
+const float PI = 3.141592653589793;
+uniform sampler2D tInput;
+uniform vec2 center;
+uniform float radius;
+uniform float strength;
+in vec2 coord;
+
+out vec4 fragColor;
+
+void main() {
+  /* Get vertex info */
+  vec4 info = texture(tInput, coord);
+
+  /* Add the drop to the height */
+  float drop = max(0.0, 1.0 - length(center * 0.5 + 0.5 - coord) / radius);
+  drop = 0.5 - cos(drop * PI) * 0.5;
+  info.r += drop * strength;
+
+  fragColor = info;
+}