Unity 2018 Cookbook - Third Edition

How it works...

Four UI Image objects Image-star0/1/2/3 have been created at the top of the screen — initialized with the gray placeholder icon. The gray and yellow icon sprite files have been resized to be 100 x 100 pixels, making their horizontal arrangement positioning at design time easier, since their positions are (0,0), (100,0), (200,0), and (300,0). In a more complicated game screen, or one where real estate is precious, the actual size of the icons would probably be smaller – a decision to be made by the game graphic designer.

In script class PlayerInventory, the int variable totalStars represents how many stars have been collected so far; it is initialized to zero. The variable playerInventoryDisplay is a reference to the scripted ...