Mask Editor

Creating Mask with Mask Editor

To create a new image mask by means of the mask editor:

Run UnigineEditor.
Add ObjectGrass, ObjectMeshClutter or WorldClutter to the scene by choosing the required object via the Menu bar (the Create menu item).
Specify all the required settings for the added object.
Choose Windows -> Nodes (or press N) to open the Nodes window.
In the nodes hierarchy list, select an ObjectGrass, ObjectMeshClutter or WorldClutter node and go to the Grass, MeshClutter or Clutter tab correspondingly.
Here, click arranged opposite the Image mask field.
Specify the size of the mask in the window that opens.
In the file dialog window that opens, specify the mask name, choose the folder to save the mask and click Ok. The empty image mask will be created.
Perform Steps 4-7 described below to paint the mask.

To edit an image mask by means of the mask editor:

Run UnigineEditor.
Choose Windows -> Nodes (or press N) to open the Nodes window.
In the nodes hierarchy list, select an ObjectGrass, ObjectMeshClutter or WorldClutter node and go to the Grass, MeshClutter or Clutter tab correspondingly.
Here, click arranged opposite the Image mask field.
The mask editor will open.
In the mask editor, specify the required brush settings.
Choose the channels of the image mask to edit by clicking the corresponding buttons (R, G, B, A).
Hold Alt + Left Mouse Button to paint the mask in the scene.

Mode	Available modes: Replace - replace pixel values of the chosen channels of the image mask with the current values set for the brush. Add - add pixels to the chosen channels of the image mask (in other words, add areas to the image mask where grass or clutter objects should be placed). Subtract - subtract the current values set for the brush from pixel values of the chosen channels of the image mask. Smooth - blur pixels of the chosen channels of the image mask, making boundaries softer.
Brushes	Shape of the brush: - circular shape - square shape - diamond shape - texture-based brush. The texture is loaded using the additional button .
Radius	Size of the brush.
Sharpness	Tip of the brush. The lower the value, the sharper and smaller the tip. The higher the value, the flatter and bigger the tip.
Opacity	The rate to apply the brush.
Channel	Channel of the mask to edit.
Palette	The brush palette allows saving all the parameters of the current brush to be used as a preset later. For that, drag the icon to the palette. The palette is shared for all image masks.