Garmin Senior Software GPU Embedded Engineer interview questions

Describe in detail one of my past projects that showcased strengths and skills sets would apply for position to which I applied. They asked specific questions about each step. Asked what do I bring to their team, etc. Then technical questions began with basic and led to an algorithm question regarding two structure data types that were rectangles with x, y coordinate as but fields and how would you implement a program ton determine if the two rectangles collide (e.g. overlap or share a coordinate).