The young man who lived with the highest of highs as well as some of the most lows.
The Allen County Coroner's Office said that he passed away from natural causes.
Swanigan was raised in Indianapolis.
Swanigan attended Homestead High School in Fort Wayne.
He won Indiana's Mr. Basketball in 2015.
He was in 2015 when he assisted guide Homestead Basketball to the first state championship.
"Our prayers and thoughts for Caleb's family and loved ones. We lost our world's most sweet soul last night." Men's Basketball's Twitter account wrote.
The first day of the summer and lenghtiest day of the season.