Change To Black

// Cavalry Script: Change Selected Layers to Black (Updated)
// This script changes the material color of selected layers to black
// Uses the working api.getSelection() method

console.info("Changing selected layers to black...");

// Get selected layers using the working API
var selectedLayers = api.getSelection();

if (selectedLayers.length === 0) {
    console.warn("No layers are selected. Please select some layers first.");
} else {
    console.info("Processing " + selectedLayers.length + " selected layer(s)...");
    
    var processedCount = 0;
    
    // Loop through each selected layer
    for (var i = 0; i < selectedLayers.length; i++) {
        var layerId = selectedLayers[i];
        var layerName = api.getNiceName(layerId);
        
        try {
            // Check if the layer has a material attribute
            var hasMaterial = api.hasAttribute(layerId, "material");
            
            if (hasMaterial) {
                // Set the material color to black using RGBA values (0,0,0,255)
                api.set(layerId, {
                    "material.materialColor.r": 0,    // Red: 0
                    "material.materialColor.g": 0,    // Green: 0
                    "material.materialColor.b": 0,    // Blue: 0
                    "material.materialColor.a": 255   // Alpha: 255 (fully opaque)
                });
                console.log("✓ Changed material color to black for: " + layerName);
                processedCount++;
            } else {
                console.warn("⚠ Layer '" + layerName + "' doesn't have a material attribute");
            }