To quickly test sprites, create temporary placeholder sprites. A placeholder sprite is a simple white shape, for example a triangle, a square, or a capsule.
Follow these steps:
Unity creates a GameObject with a Sprite Renderer component that references a placeholder sprite shape.
For more information about the different placeholder sprite shapes, refer to Types of 2D primitive GameObjects.
You can’t edit a placeholder sprite or its texture in the Sprite Editor. To replace the placeholder sprite with a sprite you imported, follow these steps:
For more information, refer to import sprites.