MathCancer · asmelko · Feb 9, 2026 · Feb 9, 2026
diff --git a/sample_projects/worm/custom_modules/custom.cpp b/sample_projects/worm/custom_modules/custom.cpp
@@ -284,13 +284,15 @@ void custom_function( Cell* pCell, Phenotype& phenotype , double dt )
 		else
 		{ pCell->functions.update_migration_bias = tail_migration_direction; }
 		phenotype.secretion.secretion_rates[nSignal] = 100; 
+		pCell->set_internal_uptake_constants(diffusion_dt);
 	} 
 
 	// if 2 or more attachments, use middle 
 	if( number_of_attachments > 1 )
 	{
 		pCell->functions.update_migration_bias = middle_migration_direction;
 		phenotype.secretion.secretion_rates[nSignal] = 1; 
+		pCell->set_internal_uptake_constants(diffusion_dt);
 	} 
 
 	return; 

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