Installation

1. Open Blender.
2. Go to Edit > Preferences > Add-ons > Install.
3. Select the script file (LA-Vertex-CA-Gradients.zip).
4. Enable the add-on by checking the box next to it.

Using the Script

1. Open the Custom Panel:

   • In the 3D Viewport, navigate to the right-hand toolbar and find the LA-Vertex CA Gradients tab.

2. Set Alpha Values:

   • Select the mesh object(s) you want to modify.
   • Click Fill White or Fill Black to set all vertex alpha values to white or black.

3. Fill Vertex Colors:

   • Select the mesh object(s) you want to modify.
   • Click Fill White or Fill Black to fill vertex colors with white or black.

4. Clear Vertex Color Channels:

   • Select the mesh object(s) you want to modify.
   • Click Clear Red, Clear Green, or Clear Blue to clear the respective color channel.

5. Apply Gradients:

   • Select the mesh object(s) you want to modify.
   • Choose the direction for the gradient (X Axis, Y Axis, or Z Axis).
   • Adjust the gradient settings as needed:
     • Invert Gradient: Invert the gradient direction.
     • Use Global Coordinates: Apply the gradient based on global coordinates.
     • Gradient Type: Choose between Linear, Reflected, or Radial.
     • Color Start % and Color Gradient %: Set the start and end percentages of the gradient.
     • Use Custom Colors/Greyscale: Enable and set custom colors or greyscale.
     • Radial Offset (X, Y, Z): Adjust the center of the radial gradient.

6. Visualization:

   • Select the mesh object(s) you want to visualize.
   • Click Toggle Visualize Vertex Color or Toggle Visualize Vertex Alpha to switch between visualizing and original materials.

7. Reset Settings:

   • Click Reset Percent Values to reset gradient start and end percentages to default.
   • Click Reset Radial Offsets to reset radial offsets to 0.

8. Apply Current Settings:

   • Click Apply to Current Selection to apply all current settings to the selected mesh object(s).