getting subnode id

src/shaders/raycasting.cginc

@@ -1,4 +1,24 @@
 
+/*
+    point: Hit point
+    view: View vector (camera ray)
+    normal: Normal vector
+*/
+vec3 solve(vec3 point, vec3 view, vec3 normal)
+{
+    // Lighting
+    vec3 light_color = vec3(1.0, 1.0, 1.0);
+    vec3 light_dir = normalize(point-vec3(0.0, 1.5, 4.0));
+
+    vec3 ambient = light_color * 0.1;
+    vec3 diffuse = light_color * max(1.0-dot(normal, light_dir), 0.0);
+    vec3 specular = light_color * pow(max(dot(view, reflect(-light_dir, normal)), 0.0), 32);
+
+    // Combine colors
+    vec3 object_color = vec3(0.0, 0.1, 0.5);
+    return (ambient + diffuse + specular) * object_color;
+}
+
 vec3 raycast(vec3 origin, vec3 dir)
 {
     // Round input pos to nearest voxel
@@ -13,7 +33,7 @@ vec3 raycast(vec3 origin, vec3 dir)
     // Closest axis to increment in grid will be stored here (x=1 or y=1 or z=1)
     vec3 incAxis = vec3(0,0,0);
 
-
+    float level = 1;
     for(int i=0;i<50;i++)
     {
         // Get node
@@ -27,17 +47,10 @@ vec3 raycast(vec3 origin, vec3 dir)
             // Normal vector (negate previous increment axis and mult by sign)
             vec3 normal = -incAxis * raySign;
 
-            // Lighting
-            vec3 light_color = vec3(1.0, 1.0, 1.0);
-            vec3 light_dir = normalize(point-vec3(0.0, 1.5, 4.0));
-
-            vec3 ambient = light_color * 0.1;
-            vec3 diffuse = light_color * max(1.0-dot(normal, light_dir), 0.0);
-            vec3 specular = light_color * pow(max(dot(dir, reflect(-light_dir, normal)), 0.0), 32);
-
-            // Object color
-            vec3 object_color = vec3(0.0, 0.1, 0.5);
-            return (ambient + diffuse + specular) * object_color;
+            // Get subnode
+            return step(vec3(0.5, 0.5, 0.5), point - pos);
+            
+            //return solve(point, dir, normal);
         }
 
         // Get new closest axis to increment