Adapt: Desktop to Mobile

Expert guidance for porting desktop games to mobile platforms.

NEVER Do

• NEVER use mouse position directly — Touch has no "hover" state. Replace mouse_motion with screen_drag and check InputEventScreenTouch.pressed.
• NEVER keep small UI elements — Apple HIG requires 44pt minimum touch targets. Android Material: 48dp. Scale up buttons 2-3x.
• NEVER forget finger occlusion — User's finger blocks 50-100px radius. Position critical info ABOVE touch controls, not below.
• NEVER run at full performance when backgrounded — Mobile OSs kill apps that drain battery in background. Pause physics, reduce FPS to 1-5 when app loses focus.
• NEVER use desktop-only features — Mouse hover, right-click, keyboard shortcuts, scroll wheel don't exist on mobile. Provide touch alternatives.

Available Scripts

MANDATORY: Read the appropriate script before implementing the corresponding pattern.