blender geometry node to generate procedural grass

after download:you will get blender project file,put the file(blender project file) in the assets library path (if you don't know how to add assets read the section below)the project contain a object marked as assets object name(grass).

-the data inside the object is:mesh data:contain the leaf mesh.modifier:contain the geoemtry node.material(one material):the basic material for the leaf.geometry node:contain all node.

-as tree:object(Grass): -mesh data(leaf): -material(DefaultGrassMaterial) modifiers: -geometry node

fields explain:

1-default mesh:1 mean the grass will created on plane(this plane is just temporary while you looking for object)0 to use the object mesh field to create grass on it.

2-object mesh:the object to create grass on it when the value of default mesh is 0.

3-subdivide level:to subdivide the leaf mesh (It will be useful when using high values in bend field).

4-shade Smooth: 1 mean the object is set to smooth shading 0 mean flat shade.

5-seed: to regenerate new randon positions.

6-density: determine the number of leaves to generate.

7-thickness: change the thickness of the leaf.

8-length: change the length of the leaf.

9-rotation: change the rotation of every leaf around itself.

10-bend: bend the leaf (around x axis only) you can rotate x axis by change z value in rotation field.

11-weakness: determine how hard the wind will effect the leaves.

12-wind: animate the wind (the direction depend on z value in the rotation field).

13-wind scale : determine how random is the wind.

14-wind effect factor : detrmine how much the wind will effect the leaves the diffrent between the wind effect factor and weakness is the weakness will effect by wind scale.

add assets:

1-open preferences by click on edit at the top left

2-open tab file paths

3-in the panel Assets Libraries click on+" icon to add new path

4-choose any folder you want to store assets in it

5-click on add assets library

6-put the file(blender project file) in the folder which you chose in step 4