Keep interface layout separate from game rules

A game’s interface can change size without changing its board logic. Store world positions in a consistent coordinate system and let the layout map them onto the display.

Check labels and controls at narrow widths. A responsive playfield still needs text that can be read and buttons that can be reached.

Continue the study

Work through a small code example, make one deliberate change and record the effect. The reading links below connect this exercise with animation, input and retro game design.