2023
Unisport x Adidas
1mo
Creative developer

The Head to Head Challenge was built as a cross‑platform AR game using Effect House and Spark AR to reach users on multiple social platforms. The core physics engine, handling collision detection, bounce logic, and force simulation, was prototyped in Processing and then adapted into AR‑filter environments.
To prevent users from exploiting device motion, the system enforces collisions with screen edges. Real‑time background segmentation isolates the player from their surroundings and composites them into a branded football pitch. The architecture was fine‑tuned to respect platform constraints and deliver consistent performance and responsiveness across devices.
Concept
prototyping
scripting
Processing
Effect house
Spark AR
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With no native physics engine available in Effect House or Spark AR, the core game mechanics were manually implemented using vector math and custom logic. Prototyping began in Processing, where forces such as gravity, acceleration, and paddle-based collision were simulated and refined. Bounce behavior was influenced by the point of contact, allowing for increasing difficulty as the game progressed. Porting this system to AR required re-creating these dynamics within visual scripting environments that lacked traditional physics tools. To maintain consistent and fair gameplay, the logic included velocity limits, edge collision handling, and adaptive difficulty curves
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