Plant asset update + test sprites camera fix

entities/plants/scripts/texture_builder/plant_texture_builder.gd

@@ -38,6 +38,8 @@ enum OriginType {BRANCH_ORIGIN, MUTATION_ORIGIN, BASE_LEAF_ORIGIN}
 @export var mutation_weight_gain := 1
 @export var seed_texture_sets: Array[SeedTextureSet]
 
+@export var base_y_offset := -50.0
+
 var rng := RandomNumberGenerator.new()
 var image: Image = Image.create_empty(IMAGE_WIDTH, IMAGE_HEIGHT, false, Image.FORMAT_RGBA8)
 var image_center: Vector2i = Vector2(0.5, 1) * Vector2(image.get_size())
@@ -130,9 +132,8 @@ func build_plant_texture(plant_data: PlantData) -> Texture:
             mutation_weights.append(mutation_weight_base)
 
     var flipped: bool = rng.randi() % 2 == 0
-    flipped = false
 
-    var base_image_coord = blend_part(image_center, -base_part.root.position, base_part, flipped)
+    var base_image_coord = blend_part(image_center, Vector2(0.0, base_y_offset), base_part, flipped)
     populate_part(parts_to_place, weight_per_origin_type, mutation_weights, base_part, base_image_coord, flipped)
 
     texture = ImageTexture.create_from_image(image)