merian-nodes: common: Add relative_distance_greather_than helper

LDAP · Sep 13, 2024 · acd8c6b · acd8c6b
1 parent 94a874e
commit acd8c6b
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/include/merian-shaders/common.glsl b/include/merian-shaders/common.glsl
@@ -11,4 +11,10 @@
 
 #define MERIAN_SQUARE(x) ((x) * (x))
 
+bool merian_relative_distance_greather_than(const vec3 center, const vec3 p1, const vec3 p2, const float threshold) {
+    const float d1 = distance(center, p1);
+    const float d2 = distance(center, p2);
+    return abs(d1 - d2) / max(d1, d2) > threshold;
+}
+
 #endif // _MERIAN_SHADERS_COMMON_H_