This sections describes the needs in graphics.

For a given species:

• A sprite for each level of branch (~ 5, depends on the species)
• A dummy (transparent version of the level 0 branch) to place the branch
• A sprite for leaf (could be a few different ones and randomly picked at creation)
• A sprite for each level of root (5, dependes on the species)
• A dummy (transparent version of the level 0 root) to place the root
• A sprite for the seed
• An image showing the fully-grown tree (to display when choosing the species)

For a given level:

The background doesn't need to contains resources (e.g. water spots and nutriments), they will be placed using the level editor.

• A background image showing surface and underground zone (around 50% of the image each)
• A version of the background image for each situation: (day, night, rain, snow)