CS50 2D - Lecture 3 - Match 3

Match-3 game development centers on managing tile-based grids through efficient data structures and time-based animations. Implementing fluid movement requires moving beyond simple velocity-based physics toward tweening and timers, which allow for smooth interpolation of tile positions and opacity. A robust Match-3 engine relies on a 2D array to maintain board state, enabling precise detection of contiguous tiles of the same color. Once matches are identified, the system triggers a sequence of operations: removing matched tiles, applying gravity to shift existing tiles into gaps, and generating new tiles to replenish the board. Aesthetic coherence is achieved through limited color palettes, which minimize visual noise and ensure design consistency. These mechanics transform static tile grids into dynamic, responsive environments that reward player performance with chain reactions and visual feedback.