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 +1,28 @@
+precision highp float;
+precision highp int;
+
+#include <utils>
+
+in vec3 oldPos;
+in vec3 newPos;
+in vec3 ray;
+
+out vec4 fragColor;
+
+void main() {
+  /* if the triangle gets smaller, it gets brighter, and vice versa */
+  float oldArea = length(dFdx(oldPos)) * length(dFdy(oldPos));
+  float newArea = length(dFdx(newPos)) * length(dFdy(newPos));
+  fragColor = vec4(oldArea / newArea * 0.2, 1.0, 0.0, 0.0);
+
+  vec3 refractedLight = refract(-light, vec3(0.0, 1.0, 0.0), IOR_AIR / IOR_WATER);
+
+  /* shadow for the rim of the pool */
+  vec2 t = intersectCube(
+    newPos,
+    -refractedLight,
+    vec3(-poolHalfSize.x, -poolHeight, -poolHalfSize.y),
+    vec3(poolHalfSize.x, poolHeight * 2.0, poolHalfSize.y)
+  );
+  fragColor.r *= 1.0 / (1.0 + exp(-200.0 / (1.0 + 10.0 * (t.y - t.x)) * (newPos.y - refractedLight.y * t.y - poolHeight * 2.0 / 12.0)));
+}