import { ScriptGeneratorModule } from './types.js';
import { helpers } from './helpers.js';
export const keyframeGenerators: ScriptGeneratorModule = {
setKeyframeAdvanced: (params: {
compId: number;
layerIndex: number;
propertyPath: string;
time: number;
value: any;
interpolation?: {
temporalEase?: string;
spatialInterpolation?: string;
customEase?: {
easeIn?: { speed: number; influence: number };
easeOut?: { speed: number; influence: number };
};
};
}) => {
// Build the script with proper ES3 compatibility
let script = '';
script += 'var comp = app.project.itemByID(' + params.compId + ');\n';
script += 'if (!comp || !(comp instanceof CompItem)) {\n';
script += ' throw new Error("Composition not found");\n';
script += '}\n\n';
script += 'var layer = comp.layer(' + params.layerIndex + ');\n';
script += 'if (!layer) {\n';
script += ' throw new Error("Layer not found");\n';
script += '}\n\n';
script += '// Navigate property path\n';
script += 'var pathParts = "' + helpers.escapeString(params.propertyPath) + '".split(".");\n';
script += 'var prop = layer;\n\n';
script += 'for (var i = 0; i < pathParts.length; i++) {\n';
script += ' var part = pathParts[i];\n';
script += ' if (part === "Transform" && prop === layer) {\n';
script += ' prop = prop.property("ADBE Transform Group");\n';
script += ' } else if (part === "Position" && i > 0 && pathParts[i-1] === "Transform") {\n';
script += ' prop = prop.property("ADBE Position");\n';
script += ' } else if (part === "Scale" && i > 0 && pathParts[i-1] === "Transform") {\n';
script += ' prop = prop.property("ADBE Scale");\n';
script += ' } else if (part === "Rotation" && i > 0 && pathParts[i-1] === "Transform") {\n';
script += ' prop = prop.property("ADBE Rotate Z");\n';
script += ' } else if (part === "Opacity" && prop === layer) {\n';
script += ' prop = prop.property("ADBE Opacity");\n';
script += ' } else {\n';
script += ' prop = prop.property(part);\n';
script += ' }\n';
script += ' \n';
script += ' if (!prop) {\n';
script += ' throw new Error("Property not found: " + pathParts.slice(0, i + 1).join("."));\n';
script += ' }\n';
script += '}\n\n';
// Set keyframe
script += '// Set keyframe\n';
if (Array.isArray(params.value)) {
script += 'var value = [' + params.value.join(',') + '];\n';
} else {
script += 'var value = ' + params.value + ';\n';
}
script += 'prop.setValueAtTime(' + params.time + ', value);\n\n';
script += '// Get the keyframe index\n';
script += 'var keyIndex = prop.nearestKeyIndex(' + params.time + ');\n\n';
if (params.interpolation) {
script += 'var interpolation = ' + JSON.stringify(params.interpolation) + ';\n\n';
// Set temporal interpolation
if (params.interpolation.temporalEase) {
script += '// Set temporal interpolation\n';
script += 'var easeType = "' + params.interpolation.temporalEase + '";\n';
script += 'var easeIn, easeOut;\n\n';
script += 'switch(easeType) {\n';
script += ' case "linear":\n';
script += ' easeIn = easeOut = new KeyframeEase(0, 0.1);\n';
script += ' break;\n';
script += ' case "easeIn":\n';
script += ' easeIn = new KeyframeEase(0, 33.333);\n';
script += ' easeOut = new KeyframeEase(0, 0.1);\n';
script += ' break;\n';
script += ' case "easeOut":\n';
script += ' easeIn = new KeyframeEase(0, 0.1);\n';
script += ' easeOut = new KeyframeEase(0, 33.333);\n';
script += ' break;\n';
script += ' case "easeInOut":\n';
script += ' easeIn = easeOut = new KeyframeEase(0, 33.333);\n';
script += ' break;\n';
script += ' case "hold":\n';
script += ' prop.setInterpolationTypeAtKey(keyIndex, KeyframeInterpolationType.HOLD);\n';
script += ' break;\n';
script += ' case "custom":\n';
if (params.interpolation.customEase) {
script += ' var customEase = interpolation.customEase;\n';
script += ' if (customEase.easeIn) {\n';
script += ' easeIn = new KeyframeEase(customEase.easeIn.speed, customEase.easeIn.influence);\n';
script += ' }\n';
script += ' if (customEase.easeOut) {\n';
script += ' easeOut = new KeyframeEase(customEase.easeOut.speed, customEase.easeOut.influence);\n';
script += ' }\n';
}
script += ' break;\n';
script += '}\n\n';
script += 'if (easeType !== "hold" && easeIn && easeOut) {\n';
script += ' try {\n';
script += ' // Check if property has separated dimensions\n';
script += ' if (prop.dimensionsSeparated) {\n';
script += ' prop.setTemporalEaseAtKey(keyIndex, [easeIn], [easeOut]);\n';
script += ' } else {\n';
script += ' // Determine number of dimensions\n';
script += ' var numDimensions = 1;\n';
script += ' try {\n';
script += ' var keyValue = prop.keyValue(keyIndex);\n';
script += ' if (typeof keyValue === "object" && keyValue.length) {\n';
script += ' numDimensions = keyValue.length;\n';
script += ' }\n';
script += ' } catch (e) {\n';
script += ' // Fallback to property type checking\n';
script += ' if (prop.propertyValueType === PropertyValueType.TwoD_SPATIAL || prop.propertyValueType === PropertyValueType.TwoD) {\n';
script += ' numDimensions = 2;\n';
script += ' } else if (prop.propertyValueType === PropertyValueType.ThreeD_SPATIAL || prop.propertyValueType === PropertyValueType.ThreeD) {\n';
script += ' numDimensions = 3;\n';
script += ' }\n';
script += ' }\n';
script += ' \n';
script += ' // Apply ease based on dimensions\n';
script += ' if (numDimensions === 1) {\n';
script += ' prop.setTemporalEaseAtKey(keyIndex, [easeIn], [easeOut]);\n';
script += ' } else if (numDimensions === 2) {\n';
script += ' prop.setTemporalEaseAtKey(keyIndex, [easeIn, easeIn], [easeOut, easeOut]);\n';
script += ' } else if (numDimensions === 3) {\n';
script += ' prop.setTemporalEaseAtKey(keyIndex, [easeIn, easeIn, easeIn], [easeOut, easeOut, easeOut]);\n';
script += ' }\n';
script += ' }\n';
script += ' } catch (e) {\n';
script += ' // If standard approach fails, try fallback\n';
script += ' try {\n';
script += ' prop.setTemporalEaseAtKey(keyIndex, [easeIn], [easeOut]);\n';
script += ' } catch (e2) {\n';
script += ' try {\n';
script += ' prop.setTemporalEaseAtKey(keyIndex, [easeIn, easeIn], [easeOut, easeOut]);\n';
script += ' } catch (e3) {\n';
script += ' prop.setTemporalEaseAtKey(keyIndex, [easeIn, easeIn, easeIn], [easeOut, easeOut, easeOut]);\n';
script += ' }\n';
script += ' }\n';
script += ' }\n';
script += '}\n\n';
}
// Set spatial interpolation for position properties
if (params.interpolation.spatialInterpolation) {
script += '// Set spatial interpolation for position properties\n';
script += 'if (prop.propertyValueType === PropertyValueType.TwoD_SPATIAL || prop.propertyValueType === PropertyValueType.ThreeD_SPATIAL) {\n';
script += ' var spatialType = "' + params.interpolation.spatialInterpolation + '";\n';
script += ' \n';
script += ' switch(spatialType) {\n';
script += ' case "linear":\n';
script += ' prop.setSpatialTangentsAtKey(keyIndex, [0, 0], [0, 0]);\n';
script += ' break;\n';
script += ' case "bezier":\n';
script += ' prop.setSpatialAutoBezierAtKey(keyIndex, true);\n';
script += ' break;\n';
script += ' case "auto":\n';
script += ' prop.setSpatialContinuousAtKey(keyIndex, true);\n';
script += ' prop.setSpatialAutoBezierAtKey(keyIndex, true);\n';
script += ' break;\n';
script += ' }\n';
script += '}\n\n';
}
}
script += 'var result = {};\n';
script += 'result.success = true;\n';
script += 'result.data = {};\n';
script += 'result.data.property = "' + helpers.escapeString(params.propertyPath) + '";\n';
script += 'result.data.time = ' + params.time + ';\n';
script += 'result.data.value = value;\n';
script += 'result.data.keyIndex = keyIndex;\n';
script += 'return result;';
return script;
},
applyEasyEase: (params: {
compId: number;
layerIndex: number;
propertyPath: string;
keyframeIndices?: number[];
easeType?: string;
}) => {
// Build the script with proper ES3 compatibility
let script = '';
script += '// Apply Easy Ease to keyframes\n';
script += 'var comp = app.project.itemByID(' + params.compId + ');\n';
script += 'if (!comp || !(comp instanceof CompItem)) {\n';
script += ' throw new Error("Composition not found with ID: ' + params.compId + '");\n';
script += '}\n\n';
script += 'var layer = comp.layer(' + params.layerIndex + ');\n';
script += 'if (!layer) {\n';
script += ' throw new Error("Layer not found at index: ' + params.layerIndex + '");\n';
script += '}\n\n';
script += '// Get property using proper After Effects property access\n';
script += 'var prop = null;\n';
script += 'var propertyPath = "' + helpers.escapeString(params.propertyPath) + '";\n';
script += 'var layerNameSafe = layer.name;\n';
script += 'var layerInfo = "Layer: " + layerNameSafe + " [" + layer.index + "]";\n\n';
script += '// Navigate property path\n';
script += 'var pathParts = propertyPath.split(".");\n';
script += 'prop = layer;\n\n';
script += 'for (var i = 0; i < pathParts.length; i++) {\n';
script += ' var part = pathParts[i];\n';
script += ' if (part === "Transform" && prop === layer) {\n';
script += ' prop = prop.property("ADBE Transform Group");\n';
script += ' } else if (part === "Position" && i > 0 && pathParts[i-1] === "Transform") {\n';
script += ' prop = prop.property("ADBE Position");\n';
script += ' } else if (part === "Scale" && i > 0 && pathParts[i-1] === "Transform") {\n';
script += ' prop = prop.property("ADBE Scale");\n';
script += ' } else if (part === "Rotation" && i > 0 && pathParts[i-1] === "Transform") {\n';
script += ' prop = prop.property("ADBE Rotate Z");\n';
script += ' } else if (part === "Opacity") {\n';
script += ' // Opacity is at layer level, not under Transform\n';
script += ' if (prop === layer || (i > 0 && pathParts[i-1] === "Transform")) {\n';
script += ' // Try both property naming conventions\n';
script += ' prop = layer.property("ADBE Opacity") || layer.property("Opacity");\n';
script += ' } else {\n';
script += ' prop = prop.property("ADBE Opacity") || prop.property("Opacity");\n';
script += ' }\n';
script += ' } else {\n';
script += ' prop = prop.property(part);\n';
script += ' }\n';
script += ' \n';
script += ' if (!prop) {\n';
script += ' throw new Error("Property not found: " + pathParts.slice(0, i + 1).join("."));\n';
script += ' }\n';
script += '}\n\n';
script += 'if (!prop) {\n';
script += ' throw new Error("Property not found: " + propertyPath);\n';
script += '}\n\n';
script += '// Check if property can have keyframes\n';
script += 'if (!prop.canSetExpression) {\n';
script += ' throw new Error("Property cannot be animated: " + propertyPath);\n';
script += '}\n\n';
script += '// Check if property has keyframes\n';
script += 'if (prop.numKeys === 0) {\n';
script += ' var errorMsg = "Property \\\\\\"" + propertyPath + "\\\\\\" has no keyframes. ";\n';
script += ' errorMsg += layerInfo + ". ";\n';
script += ' errorMsg += "Please add keyframes using set_keyframe before applying easing.";\n';
script += ' throw new Error(errorMsg);\n';
script += '}\n\n';
script += 'var keyIndices = ' + (params.keyframeIndices ? JSON.stringify(params.keyframeIndices) : 'null') + ';\n';
script += 'var easeType = "' + (params.easeType || 'ease') + '";\n\n';
script += '// If no specific keys, apply to all\n';
script += 'if (!keyIndices) {\n';
script += ' keyIndices = [];\n';
script += ' for (var i = 1; i <= prop.numKeys; i++) {\n';
script += ' keyIndices.push(i);\n';
script += ' }\n';
script += '}\n\n';
script += '// Define ease values\n';
script += 'var easeIn, easeOut;\n';
script += 'switch(easeType) {\n';
script += ' case "easeIn":\n';
script += ' easeIn = new KeyframeEase(0, 33.333);\n';
script += ' easeOut = new KeyframeEase(0, 0.1);\n';
script += ' break;\n';
script += ' case "easeOut":\n';
script += ' easeIn = new KeyframeEase(0, 0.1);\n';
script += ' easeOut = new KeyframeEase(0, 33.333);\n';
script += ' break;\n';
script += ' case "ease":\n';
script += ' default:\n';
script += ' easeIn = easeOut = new KeyframeEase(0, 33.333);\n';
script += ' break;\n';
script += '}\n\n';
script += 'var modifiedCount = 0;\n\n';
script += '// Apply to each keyframe\n';
script += 'for (var i = 0; i < keyIndices.length; i++) {\n';
script += ' var keyIndex = keyIndices[i];\n';
script += ' if (keyIndex > 0 && keyIndex <= prop.numKeys) {\n';
script += ' try {\n';
script += ' // Check if property has separated dimensions\n';
script += ' if (prop.dimensionsSeparated) {\n';
script += ' // For separated dimensions, apply ease with single value\n';
script += ' prop.setTemporalEaseAtKey(keyIndex, [easeIn], [easeOut]);\n';
script += ' } else {\n';
script += ' // Try to determine the number of dimensions\n';
script += ' var numDimensions = 1;\n';
script += ' \n';
script += ' // Try to get the key value to determine dimensions\n';
script += ' try {\n';
script += ' var keyValue = prop.keyValue(keyIndex);\n';
script += ' if (typeof keyValue === "object" && keyValue.length) {\n';
script += ' numDimensions = keyValue.length;\n';
script += ' }\n';
script += ' } catch (e) {\n';
script += ' // If we cannot get key value, try to infer from property type\n';
script += ' if (prop.propertyValueType === PropertyValueType.TwoD_SPATIAL || prop.propertyValueType === PropertyValueType.TwoD) {\n';
script += ' numDimensions = 2;\n';
script += ' } else if (prop.propertyValueType === PropertyValueType.ThreeD_SPATIAL || prop.propertyValueType === PropertyValueType.ThreeD) {\n';
script += ' numDimensions = 3;\n';
script += ' }\n';
script += ' }\n';
script += ' \n';
script += ' // Apply ease based on dimensions\n';
script += ' if (numDimensions === 1) {\n';
script += ' prop.setTemporalEaseAtKey(keyIndex, [easeIn], [easeOut]);\n';
script += ' } else if (numDimensions === 2) {\n';
script += ' prop.setTemporalEaseAtKey(keyIndex, [easeIn, easeIn], [easeOut, easeOut]);\n';
script += ' } else if (numDimensions === 3) {\n';
script += ' prop.setTemporalEaseAtKey(keyIndex, [easeIn, easeIn, easeIn], [easeOut, easeOut, easeOut]);\n';
script += ' } else {\n';
script += ' // Fallback - try single dimension\n';
script += ' prop.setTemporalEaseAtKey(keyIndex, [easeIn], [easeOut]);\n';
script += ' }\n';
script += ' }\n';
script += ' modifiedCount++;\n';
script += ' } catch (e) {\n';
script += ' // If the standard approach fails, try a fallback approach\n';
script += ' try {\n';
script += ' // Try single ease value (for separated dimensions)\n';
script += ' prop.setTemporalEaseAtKey(keyIndex, [easeIn], [easeOut]);\n';
script += ' modifiedCount++;\n';
script += ' } catch (e2) {\n';
script += ' try {\n';
script += ' // Try two ease values (for 2D properties)\n';
script += ' prop.setTemporalEaseAtKey(keyIndex, [easeIn, easeIn], [easeOut, easeOut]);\n';
script += ' modifiedCount++;\n';
script += ' } catch (e3) {\n';
script += ' try {\n';
script += ' // Try three ease values (for 3D properties)\n';
script += ' prop.setTemporalEaseAtKey(keyIndex, [easeIn, easeIn, easeIn], [easeOut, easeOut, easeOut]);\n';
script += ' modifiedCount++;\n';
script += ' } catch (e4) {\n';
script += ' var errorDetail = "Failed to set ease on keyframe " + keyIndex + " of " + prop.numKeys + ": " + e4.toString();\n';
script += ' errorDetail += " | Property: " + propertyPath;\n';
script += ' errorDetail += " | Layer: " + layer.name;\n';
script += ' errorDetail += " | Ease Type: " + easeType;\n';
script += ' throw new Error(errorDetail);\n';
script += ' }\n';
script += ' }\n';
script += ' }\n';
script += ' }\n';
script += ' } else {\n';
script += ' // Skip invalid keyframe index\n';
script += ' }\n';
script += '}\n\n';
script += 'if (modifiedCount === 0) {\n';
script += ' throw new Error("No keyframes were modified. Check keyframe indices.");\n';
script += '}\n\n';
script += 'var result = {};\n';
script += 'result.success = true;\n';
script += 'result.data = {};\n';
script += 'result.data.property = "' + helpers.escapeString(params.propertyPath) + '";\n';
script += 'result.data.layerName = layer.name;\n';
script += 'result.data.layerIndex = layer.index;\n';
script += 'result.data.keyframesModified = modifiedCount;\n';
script += 'result.data.totalKeyframes = prop.numKeys;\n';
script += 'result.data.easeType = easeType;\n';
script += 'result.data.propertyType = prop.propertyValueType;\n';
script += 'result.data.appliedIndices = keyIndices;\n';
script += 'return result;';
return script;
},
setKeyframeVelocity: (params: {
compId: number;
layerIndex: number;
propertyPath: string;
keyframeIndex: number;
incomingVelocity?: number;
outgoingVelocity?: number;
}) => {
let script = '';
script += 'var comp = app.project.itemByID(' + params.compId + ');\n';
script += 'if (!comp || !(comp instanceof CompItem)) {\n';
script += ' throw new Error("Composition not found");\n';
script += '}\n\n';
script += 'var layer = comp.layer(' + params.layerIndex + ');\n';
script += 'if (!layer) {\n';
script += ' throw new Error("Layer not found");\n';
script += '}\n\n';
script += '// Navigate property path\n';
script += 'var pathParts = "' + helpers.escapeString(params.propertyPath) + '".split(".");\n';
script += 'var prop = layer;\n\n';
script += 'for (var i = 0; i < pathParts.length; i++) {\n';
script += ' var part = pathParts[i];\n';
script += ' if (part === "Transform" && prop === layer) {\n';
script += ' prop = prop.property("ADBE Transform Group");\n';
script += ' } else if (part === "Position" && i > 0 && pathParts[i-1] === "Transform") {\n';
script += ' prop = prop.property("ADBE Position");\n';
script += ' } else if (part === "Scale" && i > 0 && pathParts[i-1] === "Transform") {\n';
script += ' prop = prop.property("ADBE Scale");\n';
script += ' } else if (part === "Rotation" && i > 0 && pathParts[i-1] === "Transform") {\n';
script += ' prop = prop.property("ADBE Rotate Z");\n';
script += ' } else if (part === "Opacity" && prop === layer) {\n';
script += ' prop = prop.property("ADBE Opacity");\n';
script += ' } else {\n';
script += ' prop = prop.property(part);\n';
script += ' }\n';
script += ' \n';
script += ' if (!prop) {\n';
script += ' throw new Error("Property not found: " + pathParts.slice(0, i + 1).join("."));\n';
script += ' }\n';
script += '}\n\n';
script += 'var keyIndex = ' + params.keyframeIndex + ';\n';
script += 'if (keyIndex < 1 || keyIndex > prop.numKeys) {\n';
script += ' throw new Error("Invalid keyframe index. Property has " + prop.numKeys + " keyframes");\n';
script += '}\n\n';
script += '// Get current ease values\n';
script += 'var currentInEase = prop.keyInTemporalEase(keyIndex);\n';
script += 'var currentOutEase = prop.keyOutTemporalEase(keyIndex);\n\n';
script += '// Update velocities\n';
if (params.incomingVelocity !== undefined) {
script += 'for (var i = 0; i < currentInEase.length; i++) {\n';
script += ' currentInEase[i].speed = ' + params.incomingVelocity + ';\n';
script += '}\n\n';
}
if (params.outgoingVelocity !== undefined) {
script += 'for (var i = 0; i < currentOutEase.length; i++) {\n';
script += ' currentOutEase[i].speed = ' + params.outgoingVelocity + ';\n';
script += '}\n\n';
}
script += '// Apply updated ease\n';
script += 'prop.setTemporalEaseAtKey(keyIndex, currentInEase, currentOutEase);\n\n';
script += 'var result = {};\n';
script += 'result.success = true;\n';
script += 'result.data = {};\n';
script += 'result.data.property = "' + helpers.escapeString(params.propertyPath) + '";\n';
script += 'result.data.keyframeIndex = keyIndex;\n';
script += 'result.data.incomingVelocity = ' + (params.incomingVelocity !== undefined ? params.incomingVelocity : 'currentInEase[0].speed') + ';\n';
script += 'result.data.outgoingVelocity = ' + (params.outgoingVelocity !== undefined ? params.outgoingVelocity : 'currentOutEase[0].speed') + ';\n';
script += 'return result;';
return script;
},
setTemporalEase: (params: {
compId: number;
layerIndex: number;
propertyPath: string;
keyframeIndex: number;
easeIn?: Array<{ speed: number; influence: number }>;
easeOut?: Array<{ speed: number; influence: number }>;
}) => {
let script = '';
script += 'var comp = app.project.itemByID(' + params.compId + ');\n';
script += 'if (!comp || !(comp instanceof CompItem)) {\n';
script += ' throw new Error("Composition not found");\n';
script += '}\n\n';
script += 'var layer = comp.layer(' + params.layerIndex + ');\n';
script += 'if (!layer) {\n';
script += ' throw new Error("Layer not found");\n';
script += '}\n\n';
script += '// Navigate property path\n';
script += 'var pathParts = "' + helpers.escapeString(params.propertyPath) + '".split(".");\n';
script += 'var prop = layer;\n\n';
script += 'for (var i = 0; i < pathParts.length; i++) {\n';
script += ' var part = pathParts[i];\n';
script += ' if (part === "Transform" && prop === layer) {\n';
script += ' prop = prop.property("ADBE Transform Group");\n';
script += ' } else if (part === "Position" && i > 0 && pathParts[i-1] === "Transform") {\n';
script += ' prop = prop.property("ADBE Position");\n';
script += ' } else if (part === "Scale" && i > 0 && pathParts[i-1] === "Transform") {\n';
script += ' prop = prop.property("ADBE Scale");\n';
script += ' } else if (part === "Rotation" && i > 0 && pathParts[i-1] === "Transform") {\n';
script += ' prop = prop.property("ADBE Rotate Z");\n';
script += ' } else if (part === "Opacity" && prop === layer) {\n';
script += ' prop = prop.property("ADBE Opacity");\n';
script += ' } else {\n';
script += ' prop = prop.property(part);\n';
script += ' }\n';
script += ' \n';
script += ' if (!prop) {\n';
script += ' throw new Error("Property not found: " + pathParts.slice(0, i + 1).join("."));\n';
script += ' }\n';
script += '}\n\n';
script += 'var keyIndex = ' + params.keyframeIndex + ';\n';
script += 'if (keyIndex < 1 || keyIndex > prop.numKeys) {\n';
script += ' throw new Error("Invalid keyframe index. Property has " + prop.numKeys + " keyframes");\n';
script += '}\n\n';
script += 'var inEase = [];\n';
script += 'var outEase = [];\n\n';
if (params.easeIn) {
script += 'var easeInData = ' + JSON.stringify(params.easeIn) + ';\n';
script += 'for (var i = 0; i < easeInData.length; i++) {\n';
script += ' inEase.push(new KeyframeEase(easeInData[i].speed, easeInData[i].influence));\n';
script += '}\n\n';
} else {
script += 'inEase = prop.keyInTemporalEase(keyIndex);\n\n';
}
if (params.easeOut) {
script += 'var easeOutData = ' + JSON.stringify(params.easeOut) + ';\n';
script += 'for (var i = 0; i < easeOutData.length; i++) {\n';
script += ' outEase.push(new KeyframeEase(easeOutData[i].speed, easeOutData[i].influence));\n';
script += '}\n\n';
} else {
script += 'outEase = prop.keyOutTemporalEase(keyIndex);\n\n';
}
script += '// Apply temporal ease with proper dimension handling\n';
script += 'try {\n';
script += ' prop.setTemporalEaseAtKey(keyIndex, inEase, outEase);\n';
script += '} catch (e) {\n';
script += ' // If the provided ease arrays don\'t match the property dimensions,\n';
script += ' // we need to adjust them\n';
script += ' var numDimensions = 1;\n';
script += ' \n';
script += ' // Check if property has separated dimensions\n';
script += ' if (prop.dimensionsSeparated) {\n';
script += ' // For separated dimensions, we need single ease values\n';
script += ' if (inEase.length > 1 || outEase.length > 1) {\n';
script += ' prop.setTemporalEaseAtKey(keyIndex, [inEase[0]], [outEase[0]]);\n';
script += ' } else {\n';
script += ' throw e;\n';
script += ' }\n';
script += ' } else {\n';
script += ' // Try to determine the correct number of dimensions\n';
script += ' try {\n';
script += ' var keyValue = prop.keyValue(keyIndex);\n';
script += ' if (typeof keyValue === "object" && keyValue.length) {\n';
script += ' numDimensions = keyValue.length;\n';
script += ' }\n';
script += ' } catch (e2) {\n';
script += ' // Check property type\n';
script += ' if (prop.propertyValueType === PropertyValueType.TwoD_SPATIAL || prop.propertyValueType === PropertyValueType.TwoD) {\n';
script += ' numDimensions = 2;\n';
script += ' } else if (prop.propertyValueType === PropertyValueType.ThreeD_SPATIAL || prop.propertyValueType === PropertyValueType.ThreeD) {\n';
script += ' numDimensions = 3;\n';
script += ' }\n';
script += ' }\n';
script += ' \n';
script += ' // Adjust ease arrays to match dimensions\n';
script += ' var adjustedInEase = [];\n';
script += ' var adjustedOutEase = [];\n';
script += ' \n';
script += ' for (var i = 0; i < numDimensions; i++) {\n';
script += ' adjustedInEase.push(inEase[Math.min(i, inEase.length - 1)]);\n';
script += ' adjustedOutEase.push(outEase[Math.min(i, outEase.length - 1)]);\n';
script += ' }\n';
script += ' \n';
script += ' prop.setTemporalEaseAtKey(keyIndex, adjustedInEase, adjustedOutEase);\n';
script += ' }\n';
script += '}\n\n';
script += 'var result = {};\n';
script += 'result.success = true;\n';
script += 'result.data = {};\n';
script += 'result.data.property = "' + helpers.escapeString(params.propertyPath) + '";\n';
script += 'result.data.keyframeIndex = keyIndex;\n';
script += 'return result;';
return script;
},
setSpatialTangent: (params: {
compId: number;
layerIndex: number;
keyframeIndex: number;
inTangent?: number[];
outTangent?: number[];
}) => {
let script = '';
script += 'var comp = app.project.itemByID(' + params.compId + ');\n';
script += 'if (!comp || !(comp instanceof CompItem)) {\n';
script += ' throw new Error("Composition not found");\n';
script += '}\n\n';
script += 'var layer = comp.layer(' + params.layerIndex + ');\n';
script += 'if (!layer) {\n';
script += ' throw new Error("Layer not found");\n';
script += '}\n\n';
script += 'var prop = layer.property("Position");\n';
script += 'if (!prop) {\n';
script += ' throw new Error("Position property not found");\n';
script += '}\n\n';
script += 'var keyIndex = ' + params.keyframeIndex + ';\n';
script += 'if (keyIndex < 1 || keyIndex > prop.numKeys) {\n';
script += ' throw new Error("Invalid keyframe index");\n';
script += '}\n\n';
if (params.inTangent) {
script += 'var inTangent = [' + params.inTangent.join(',') + '];\n';
} else {
script += 'var inTangent = prop.keyInSpatialTangent(keyIndex);\n';
}
if (params.outTangent) {
script += 'var outTangent = [' + params.outTangent.join(',') + '];\n\n';
} else {
script += 'var outTangent = prop.keyOutSpatialTangent(keyIndex);\n\n';
}
script += 'prop.setSpatialTangentsAtKey(keyIndex, inTangent, outTangent);\n\n';
script += 'var result = {};\n';
script += 'result.success = true;\n';
script += 'result.data = {};\n';
script += 'result.data.layerName = layer.name;\n';
script += 'result.data.keyframeIndex = keyIndex;\n';
script += 'return result;';
return script;
},
setKeyframeInterpolationType: (params: {
compId: number;
layerIndex: number;
propertyPath: string;
keyframeIndex: number;
inType?: string;
outType?: string;
}) => {
let script = '';
script += 'var comp = app.project.itemByID(' + params.compId + ');\n';
script += 'if (!comp || !(comp instanceof CompItem)) {\n';
script += ' throw new Error("Composition not found");\n';
script += '}\n\n';
script += 'var layer = comp.layer(' + params.layerIndex + ');\n';
script += 'if (!layer) {\n';
script += ' throw new Error("Layer not found");\n';
script += '}\n\n';
script += '// Navigate property path\n';
script += 'var pathParts = "' + helpers.escapeString(params.propertyPath) + '".split(".");\n';
script += 'var prop = layer;\n\n';
script += 'for (var i = 0; i < pathParts.length; i++) {\n';
script += ' var part = pathParts[i];\n';
script += ' if (part === "Transform" && prop === layer) {\n';
script += ' prop = prop.property("ADBE Transform Group");\n';
script += ' } else if (part === "Position" && i > 0 && pathParts[i-1] === "Transform") {\n';
script += ' prop = prop.property("ADBE Position");\n';
script += ' } else if (part === "Scale" && i > 0 && pathParts[i-1] === "Transform") {\n';
script += ' prop = prop.property("ADBE Scale");\n';
script += ' } else if (part === "Rotation" && i > 0 && pathParts[i-1] === "Transform") {\n';
script += ' prop = prop.property("ADBE Rotate Z");\n';
script += ' } else if (part === "Opacity" && prop === layer) {\n';
script += ' prop = prop.property("ADBE Opacity");\n';
script += ' } else {\n';
script += ' prop = prop.property(part);\n';
script += ' }\n';
script += ' \n';
script += ' if (!prop) {\n';
script += ' throw new Error("Property not found: " + pathParts.slice(0, i + 1).join("."));\n';
script += ' }\n';
script += '}\n\n';
script += 'var keyIndex = ' + params.keyframeIndex + ';\n';
script += 'if (keyIndex < 1 || keyIndex > prop.numKeys) {\n';
script += ' throw new Error("Invalid keyframe index. Property has " + prop.numKeys + " keyframes");\n';
script += '}\n\n';
script += 'var typeMap = {\n';
script += ' "linear": KeyframeInterpolationType.LINEAR,\n';
script += ' "bezier": KeyframeInterpolationType.BEZIER,\n';
script += ' "hold": KeyframeInterpolationType.HOLD,\n';
script += ' "auto": KeyframeInterpolationType.BEZIER // Auto becomes bezier\n';
script += '};\n\n';
if (params.inType) {
script += 'var inType = typeMap["' + params.inType + '"];\n';
script += 'if (inType === undefined) {\n';
script += ' throw new Error("Invalid interpolation type: ' + params.inType + '");\n';
script += '}\n\n';
} else {
script += 'var inType = prop.keyInInterpolationType(keyIndex);\n\n';
}
if (params.outType) {
script += 'var outType = typeMap["' + params.outType + '"];\n';
script += 'if (outType === undefined) {\n';
script += ' throw new Error("Invalid interpolation type: ' + params.outType + '");\n';
script += '}\n\n';
} else {
script += 'var outType = prop.keyOutInterpolationType(keyIndex);\n\n';
}
script += 'prop.setInterpolationTypeAtKey(keyIndex, inType, outType);\n\n';
script += 'var result = {};\n';
script += 'result.success = true;\n';
script += 'result.data = {};\n';
script += 'result.data.property = "' + helpers.escapeString(params.propertyPath) + '";\n';
script += 'result.data.keyframeIndex = keyIndex;\n';
script += 'result.data.inType = "' + (params.inType || 'unchanged') + '";\n';
script += 'result.data.outType = "' + (params.outType || 'unchanged') + '";\n';
script += 'return result;';
return script;
},
createAnimationCurve: (params: {
compId: number;
layerIndex: number;
propertyPath: string;
keyframes: Array<{
time: number;
value: any;
easeIn?: { speed: number; influence: number };
easeOut?: { speed: number; influence: number };
}>;
clearExisting?: boolean;
}) => {
// Build the script with proper ES3 compatibility
let script = '';
script += 'var comp = app.project.itemByID(' + params.compId + ');\n';
script += 'if (!comp || !(comp instanceof CompItem)) {\n';
script += ' throw new Error("Composition not found");\n';
script += '}\n\n';
script += 'var layer = comp.layer(' + params.layerIndex + ');\n';
script += 'if (!layer) {\n';
script += ' throw new Error("Layer not found");\n';
script += '}\n\n';
script += '// Navigate property path\n';
script += 'var pathParts = "' + helpers.escapeString(params.propertyPath) + '".split(".");\n';
script += 'var prop = layer;\n\n';
script += 'for (var i = 0; i < pathParts.length; i++) {\n';
script += ' var part = pathParts[i];\n';
script += ' if (part === "Transform" && prop === layer) {\n';
script += ' prop = prop.property("ADBE Transform Group");\n';
script += ' } else if (part === "Position" && i > 0 && pathParts[i-1] === "Transform") {\n';
script += ' prop = prop.property("ADBE Position");\n';
script += ' } else if (part === "Scale" && i > 0 && pathParts[i-1] === "Transform") {\n';
script += ' prop = prop.property("ADBE Scale");\n';
script += ' } else if (part === "Rotation" && i > 0 && pathParts[i-1] === "Transform") {\n';
script += ' prop = prop.property("ADBE Rotate Z");\n';
script += ' } else if (part === "Opacity" && prop === layer) {\n';
script += ' prop = prop.property("ADBE Opacity");\n';
script += ' } else {\n';
script += ' prop = prop.property(part);\n';
script += ' }\n';
script += ' \n';
script += ' if (!prop) {\n';
script += ' throw new Error("Property not found: " + pathParts.slice(0, i + 1).join("."));\n';
script += ' }\n';
script += '}\n\n';
// Clear existing keyframes if requested
if (params.clearExisting !== false) {
script += '// Clear existing keyframes\n';
script += 'while (prop.numKeys > 0) {\n';
script += ' prop.removeKey(1);\n';
script += '}\n\n';
}
script += '// Add keyframes\n';
script += 'var keyframes = ' + JSON.stringify(params.keyframes) + ';\n\n';
script += 'for (var i = 0; i < keyframes.length; i++) {\n';
script += ' var kf = keyframes[i];\n';
script += ' var value = kf.value;\n';
script += ' \n';
script += ' // Handle array values\n';
script += ' if (typeof value === "object" && value.length) {\n';
script += ' prop.setValueAtTime(kf.time, value);\n';
script += ' } else {\n';
script += ' prop.setValueAtTime(kf.time, value);\n';
script += ' }\n';
script += ' \n';
script += ' // Get the key index\n';
script += ' var keyIndex = prop.nearestKeyIndex(kf.time);\n';
script += ' \n';
script += ' // Apply easing if specified\n';
script += ' if (kf.easeIn || kf.easeOut) {\n';
script += ' var inEase, outEase;\n';
script += ' \n';
script += ' if (kf.easeIn) {\n';
script += ' inEase = new KeyframeEase(kf.easeIn.speed, kf.easeIn.influence);\n';
script += ' } else {\n';
script += ' inEase = new KeyframeEase(0, 33.333);\n';
script += ' }\n';
script += ' \n';
script += ' if (kf.easeOut) {\n';
script += ' outEase = new KeyframeEase(kf.easeOut.speed, kf.easeOut.influence);\n';
script += ' } else {\n';
script += ' outEase = new KeyframeEase(0, 33.333);\n';
script += ' }\n';
script += ' \n';
script += ' // Apply appropriate number of ease values based on property type\n';
script += ' try {\n';
script += ' // Check if property has separated dimensions\n';
script += ' if (prop.dimensionsSeparated) {\n';
script += ' prop.setTemporalEaseAtKey(keyIndex, [inEase], [outEase]);\n';
script += ' } else {\n';
script += ' // Determine number of dimensions from the value we just set\n';
script += ' var numDimensions = 1;\n';
script += ' if (typeof value === "object" && value.length) {\n';
script += ' numDimensions = value.length;\n';
script += ' } else {\n';
script += ' // Fallback to property type checking\n';
script += ' if (prop.propertyValueType === PropertyValueType.TwoD_SPATIAL || prop.propertyValueType === PropertyValueType.TwoD) {\n';
script += ' numDimensions = 2;\n';
script += ' } else if (prop.propertyValueType === PropertyValueType.ThreeD_SPATIAL || prop.propertyValueType === PropertyValueType.ThreeD) {\n';
script += ' numDimensions = 3;\n';
script += ' }\n';
script += ' }\n';
script += ' \n';
script += ' if (numDimensions === 1) {\n';
script += ' prop.setTemporalEaseAtKey(keyIndex, [inEase], [outEase]);\n';
script += ' } else if (numDimensions === 2) {\n';
script += ' prop.setTemporalEaseAtKey(keyIndex, [inEase, inEase], [outEase, outEase]);\n';
script += ' } else if (numDimensions === 3) {\n';
script += ' prop.setTemporalEaseAtKey(keyIndex, [inEase, inEase, inEase], [outEase, outEase, outEase]);\n';
script += ' }\n';
script += ' }\n';
script += ' } catch (e) {\n';
script += ' // Fallback approach - try different dimensions\n';
script += ' try {\n';
script += ' prop.setTemporalEaseAtKey(keyIndex, [inEase], [outEase]);\n';
script += ' } catch (e2) {\n';
script += ' try {\n';
script += ' prop.setTemporalEaseAtKey(keyIndex, [inEase, inEase], [outEase, outEase]);\n';
script += ' } catch (e3) {\n';
script += ' prop.setTemporalEaseAtKey(keyIndex, [inEase, inEase, inEase], [outEase, outEase, outEase]);\n';
script += ' }\n';
script += ' }\n';
script += ' }\n';
script += ' }\n';
script += '}\n\n';
script += 'var result = {};\n';
script += 'result.success = true;\n';
script += 'result.data = {};\n';
script += 'result.data.property = "' + helpers.escapeString(params.propertyPath) + '";\n';
script += 'result.data.keyframesSet = keyframes.length;\n';
script += 'result.data.firstTime = keyframes[0].time;\n';
script += 'result.data.lastTime = keyframes[keyframes.length - 1].time;\n';
script += 'return result;';
return script;
},
copyKeyframes: (params: {
compId: number;
sourceLayer: number;
sourceProperty: string;
targetLayer: number;
targetProperty: string;
timeOffset?: number;
reverseKeyframes?: boolean;
}) => {
let script = '';
script += 'var comp = app.project.itemByID(' + params.compId + ');\n';
script += 'if (!comp || !(comp instanceof CompItem)) {\n';
script += ' throw new Error("Composition not found");\n';
script += '}\n\n';
script += 'var sourceLayer = comp.layer(' + params.sourceLayer + ');\n';
script += 'var targetLayer = comp.layer(' + params.targetLayer + ');\n\n';
script += 'if (!sourceLayer) throw new Error("Source layer not found");\n';
script += 'if (!targetLayer) throw new Error("Target layer not found");\n\n';
script += '// Get source property\n';
script += 'var sourceProp = sourceLayer.property("' + helpers.escapeString(params.sourceProperty) + '");\n';
script += 'if (!sourceProp) {\n';
script += ' sourceProp = sourceLayer.property("Transform").property("' + helpers.escapeString(params.sourceProperty) + '");\n';
script += '}\n';
script += 'if (!sourceProp) throw new Error("Source property not found");\n\n';
script += '// Get target property\n';
script += 'var targetProp = targetLayer.property("' + helpers.escapeString(params.targetProperty) + '");\n';
script += 'if (!targetProp) {\n';
script += ' targetProp = targetLayer.property("Transform").property("' + helpers.escapeString(params.targetProperty) + '");\n';
script += '}\n';
script += 'if (!targetProp) throw new Error("Target property not found");\n\n';
script += 'var timeOffset = ' + (params.timeOffset || 0) + ';\n\n';
script += '// Clear target keyframes\n';
script += 'while (targetProp.numKeys > 0) {\n';
script += ' targetProp.removeKey(1);\n';
script += '}\n\n';
script += '// Copy keyframes\n';
script += 'var keyframeTimes = [];\n';
script += 'var keyframeValues = [];\n';
script += 'var keyframeInEases = [];\n';
script += 'var keyframeOutEases = [];\n\n';
script += 'for (var i = 1; i <= sourceProp.numKeys; i++) {\n';
script += ' keyframeTimes.push(sourceProp.keyTime(i));\n';
script += ' keyframeValues.push(sourceProp.keyValue(i));\n';
script += ' keyframeInEases.push(sourceProp.keyInTemporalEase(i));\n';
script += ' keyframeOutEases.push(sourceProp.keyOutTemporalEase(i));\n';
script += '}\n\n';
// Reverse if requested
if (params.reverseKeyframes) {
script += '// Reverse if requested\n';
script += 'keyframeValues.reverse();\n';
script += 'keyframeInEases.reverse();\n';
script += 'keyframeOutEases.reverse();\n\n';
script += '// Swap in/out eases when reversing\n';
script += 'var temp = keyframeInEases;\n';
script += 'keyframeInEases = keyframeOutEases;\n';
script += 'keyframeOutEases = temp;\n\n';
}
script += '// Apply to target\n';
script += 'for (var i = 0; i < keyframeTimes.length; i++) {\n';
script += ' targetProp.setValueAtTime(keyframeTimes[i] + timeOffset, keyframeValues[i]);\n';
script += ' var keyIndex = targetProp.nearestKeyIndex(keyframeTimes[i] + timeOffset);\n';
script += ' targetProp.setTemporalEaseAtKey(keyIndex, keyframeInEases[i], keyframeOutEases[i]);\n';
script += '}\n\n';
script += 'var result = {};\n';
script += 'result.success = true;\n';
script += 'result.data = {};\n';
script += 'result.data.sourceLayer = sourceLayer.name;\n';
script += 'result.data.targetLayer = targetLayer.name;\n';
script += 'result.data.keyframesCopied = keyframeTimes.length;\n';
script += 'result.data.timeOffset = timeOffset;\n';
script += 'result.data.reversed = ' + (params.reverseKeyframes ? 'true' : 'false') + ';\n';
script += 'return result;';
return script;
},
offsetKeyframes: (params: {
compId: number;
layerIndex: number;
propertyPath: string;
offset: number;
keyframeIndices?: number[];
}) => {
let script = '';
script += 'var comp = app.project.itemByID(' + params.compId + ');\n';
script += 'if (!comp || !(comp instanceof CompItem)) {\n';
script += ' throw new Error("Composition not found");\n';
script += '}\n\n';
script += 'var layer = comp.layer(' + params.layerIndex + ');\n';
script += 'if (!layer) {\n';
script += ' throw new Error("Layer not found");\n';
script += '}\n\n';
script += '// Navigate property path\n';
script += 'var pathParts = "' + helpers.escapeString(params.propertyPath) + '".split(".");\n';
script += 'var prop = layer;\n\n';
script += 'for (var i = 0; i < pathParts.length; i++) {\n';
script += ' var part = pathParts[i];\n';
script += ' if (part === "Transform" && prop === layer) {\n';
script += ' prop = prop.property("ADBE Transform Group");\n';
script += ' } else if (part === "Position" && i > 0 && pathParts[i-1] === "Transform") {\n';
script += ' prop = prop.property("ADBE Position");\n';
script += ' } else if (part === "Scale" && i > 0 && pathParts[i-1] === "Transform") {\n';
script += ' prop = prop.property("ADBE Scale");\n';
script += ' } else if (part === "Rotation" && i > 0 && pathParts[i-1] === "Transform") {\n';
script += ' prop = prop.property("ADBE Rotate Z");\n';
script += ' } else if (part === "Opacity" && prop === layer) {\n';
script += ' prop = prop.property("ADBE Opacity");\n';
script += ' } else {\n';
script += ' prop = prop.property(part);\n';
script += ' }\n';
script += ' \n';
script += ' if (!prop) {\n';
script += ' throw new Error("Property not found: " + pathParts.slice(0, i + 1).join("."));\n';
script += ' }\n';
script += '}\n\n';
script += 'var offset = ' + params.offset + ';\n';
script += 'var keyIndices = ' + (params.keyframeIndices ? JSON.stringify(params.keyframeIndices) : 'null') + ';\n\n';
script += '// Store keyframe data\n';
script += 'var keyframeData = [];\n\n';
script += 'if (keyIndices) {\n';
script += ' // Specific keyframes\n';
script += ' for (var i = 0; i < keyIndices.length; i++) {\n';
script += ' var keyIndex = keyIndices[i];\n';
script += ' if (keyIndex > 0 && keyIndex <= prop.numKeys) {\n';
script += ' var kfData = {};\n';
script += ' kfData.time = prop.keyTime(keyIndex);\n';
script += ' kfData.value = prop.keyValue(keyIndex);\n';
script += ' kfData.inEase = prop.keyInTemporalEase(keyIndex);\n';
script += ' kfData.outEase = prop.keyOutTemporalEase(keyIndex);\n';
script += ' keyframeData.push(kfData);\n';
script += ' }\n';
script += ' }\n';
script += '} else {\n';
script += ' // All keyframes\n';
script += ' for (var i = 1; i <= prop.numKeys; i++) {\n';
script += ' var kfData = {};\n';
script += ' kfData.time = prop.keyTime(i);\n';
script += ' kfData.value = prop.keyValue(i);\n';
script += ' kfData.inEase = prop.keyInTemporalEase(i);\n';
script += ' kfData.outEase = prop.keyOutTemporalEase(i);\n';
script += ' keyframeData.push(kfData);\n';
script += ' }\n';
script += '}\n\n';
script += '// Clear and reapply with offset\n';
script += 'while (prop.numKeys > 0) {\n';
script += ' prop.removeKey(1);\n';
script += '}\n\n';
script += 'for (var i = 0; i < keyframeData.length; i++) {\n';
script += ' var kf = keyframeData[i];\n';
script += ' prop.setValueAtTime(kf.time + offset, kf.value);\n';
script += ' var newKeyIndex = prop.nearestKeyIndex(kf.time + offset);\n';
script += ' prop.setTemporalEaseAtKey(newKeyIndex, kf.inEase, kf.outEase);\n';
script += '}\n\n';
script += 'var result = {};\n';
script += 'result.success = true;\n';
script += 'result.data = {};\n';
script += 'result.data.property = "' + helpers.escapeString(params.propertyPath) + '";\n';
script += 'result.data.keyframesOffset = keyframeData.length;\n';
script += 'result.data.offset = offset;\n';
script += 'return result;';
return script;
},
scaleKeyframeTiming: (params: {
compId: number;
layerIndex: number;
propertyPath: string;
scaleFactor: number;
anchorTime?: number;
}) => {
let script = '';
script += 'var comp = app.project.itemByID(' + params.compId + ');\n';
script += 'if (!comp || !(comp instanceof CompItem)) {\n';
script += ' throw new Error("Composition not found");\n';
script += '}\n\n';
script += 'var layer = comp.layer(' + params.layerIndex + ');\n';
script += 'if (!layer) {\n';
script += ' throw new Error("Layer not found");\n';
script += '}\n\n';
script += '// Navigate property path\n';
script += 'var pathParts = "' + helpers.escapeString(params.propertyPath) + '".split(".");\n';
script += 'var prop = layer;\n\n';
script += 'for (var i = 0; i < pathParts.length; i++) {\n';
script += ' var part = pathParts[i];\n';
script += ' if (part === "Transform" && prop === layer) {\n';
script += ' prop = prop.property("ADBE Transform Group");\n';
script += ' } else if (part === "Position" && i > 0 && pathParts[i-1] === "Transform") {\n';
script += ' prop = prop.property("ADBE Position");\n';
script += ' } else if (part === "Scale" && i > 0 && pathParts[i-1] === "Transform") {\n';
script += ' prop = prop.property("ADBE Scale");\n';
script += ' } else if (part === "Rotation" && i > 0 && pathParts[i-1] === "Transform") {\n';
script += ' prop = prop.property("ADBE Rotate Z");\n';
script += ' } else if (part === "Opacity" && prop === layer) {\n';
script += ' prop = prop.property("ADBE Opacity");\n';
script += ' } else {\n';
script += ' prop = prop.property(part);\n';
script += ' }\n';
script += ' \n';
script += ' if (!prop) {\n';
script += ' throw new Error("Property not found: " + pathParts.slice(0, i + 1).join("."));\n';
script += ' }\n';
script += '}\n\n';
script += 'var scaleFactor = ' + params.scaleFactor + ';\n';
script += 'var anchorTime = ' + (params.anchorTime || 0) + ';\n\n';
script += '// Store keyframe data\n';
script += 'var keyframeData = [];\n';
script += 'for (var i = 1; i <= prop.numKeys; i++) {\n';
script += ' var kfData = {};\n';
script += ' kfData.time = prop.keyTime(i);\n';
script += ' kfData.value = prop.keyValue(i);\n';
script += ' kfData.inEase = prop.keyInTemporalEase(i);\n';
script += ' kfData.outEase = prop.keyOutTemporalEase(i);\n';
script += ' keyframeData.push(kfData);\n';
script += '}\n\n';
script += '// Clear and reapply with scaled timing\n';
script += 'while (prop.numKeys > 0) {\n';
script += ' prop.removeKey(1);\n';
script += '}\n\n';
script += 'for (var i = 0; i < keyframeData.length; i++) {\n';
script += ' var kf = keyframeData[i];\n';
script += ' var newTime = anchorTime + (kf.time - anchorTime) * scaleFactor;\n';
script += ' prop.setValueAtTime(newTime, kf.value);\n';
script += ' var newKeyIndex = prop.nearestKeyIndex(newTime);\n';
script += ' prop.setTemporalEaseAtKey(newKeyIndex, kf.inEase, kf.outEase);\n';
script += '}\n\n';
script += 'var result = {};\n';
script += 'result.success = true;\n';
script += 'result.data = {};\n';
script += 'result.data.property = "' + helpers.escapeString(params.propertyPath) + '";\n';
script += 'result.data.keyframesScaled = keyframeData.length;\n';
script += 'result.data.scaleFactor = scaleFactor;\n';
script += 'result.data.anchorTime = anchorTime;\n';
script += 'return result;';
return script;
},
reverseKeyframes: (params: {
compId: number;
layerIndex: number;
propertyPath: string;
}) => {
let script = '';
script += 'var comp = app.project.itemByID(' + params.compId + ');\n';
script += 'if (!comp || !(comp instanceof CompItem)) {\n';
script += ' throw new Error("Composition not found");\n';
script += '}\n\n';
script += 'var layer = comp.layer(' + params.layerIndex + ');\n';
script += 'if (!layer) {\n';
script += ' throw new Error("Layer not found");\n';
script += '}\n\n';
script += '// Navigate property path\n';
script += 'var pathParts = "' + helpers.escapeString(params.propertyPath) + '".split(".");\n';
script += 'var prop = layer;\n\n';
script += 'for (var i = 0; i < pathParts.length; i++) {\n';
script += ' var part = pathParts[i];\n';
script += ' if (part === "Transform" && prop === layer) {\n';
script += ' prop = prop.property("ADBE Transform Group");\n';
script += ' } else if (part === "Position" && i > 0 && pathParts[i-1] === "Transform") {\n';
script += ' prop = prop.property("ADBE Position");\n';
script += ' } else if (part === "Scale" && i > 0 && pathParts[i-1] === "Transform") {\n';
script += ' prop = prop.property("ADBE Scale");\n';
script += ' } else if (part === "Rotation" && i > 0 && pathParts[i-1] === "Transform") {\n';
script += ' prop = prop.property("ADBE Rotate Z");\n';
script += ' } else if (part === "Opacity" && prop === layer) {\n';
script += ' prop = prop.property("ADBE Opacity");\n';
script += ' } else {\n';
script += ' prop = prop.property(part);\n';
script += ' }\n';
script += ' \n';
script += ' if (!prop) {\n';
script += ' throw new Error("Property not found: " + pathParts.slice(0, i + 1).join("."));\n';
script += ' }\n';
script += '}\n\n';
script += 'if (prop.numKeys < 2) {\n';
script += ' throw new Error("Need at least 2 keyframes to reverse");\n';
script += '}\n\n';
script += '// Store keyframe data\n';
script += 'var keyframeTimes = [];\n';
script += 'var keyframeValues = [];\n';
script += 'var keyframeInEases = [];\n';
script += 'var keyframeOutEases = [];\n\n';
script += 'for (var i = 1; i <= prop.numKeys; i++) {\n';
script += ' keyframeTimes.push(prop.keyTime(i));\n';
script += ' keyframeValues.push(prop.keyValue(i));\n';
script += ' keyframeInEases.push(prop.keyInTemporalEase(i));\n';
script += ' keyframeOutEases.push(prop.keyOutTemporalEase(i));\n';
script += '}\n\n';
script += '// Reverse values and swap eases\n';
script += 'keyframeValues.reverse();\n\n';
script += 'var reversedInEases = [];\n';
script += 'var reversedOutEases = [];\n\n';
script += 'for (var i = keyframeOutEases.length - 1; i >= 0; i--) {\n';
script += ' reversedInEases.push(keyframeOutEases[i]);\n';
script += ' reversedOutEases.push(keyframeInEases[i]);\n';
script += '}\n\n';
script += '// Clear and reapply\n';
script += 'while (prop.numKeys > 0) {\n';
script += ' prop.removeKey(1);\n';
script += '}\n\n';
script += 'for (var i = 0; i < keyframeTimes.length; i++) {\n';
script += ' prop.setValueAtTime(keyframeTimes[i], keyframeValues[i]);\n';
script += ' var keyIndex = prop.nearestKeyIndex(keyframeTimes[i]);\n';
script += ' prop.setTemporalEaseAtKey(keyIndex, reversedInEases[i], reversedOutEases[i]);\n';
script += '}\n\n';
script += 'var result = {};\n';
script += 'result.success = true;\n';
script += 'result.data = {};\n';
script += 'result.data.property = "' + helpers.escapeString(params.propertyPath) + '";\n';
script += 'result.data.keyframesReversed = keyframeTimes.length;\n';
script += 'return result;';
return script;
},
applyAnimationPreset: (params: {
compId: number;
layerIndex: number;
preset: string;
properties?: string[];
startTime?: number;
duration?: number;
}) => {
let script = '';
script += 'var comp = app.project.itemByID(' + params.compId + ');\n';
script += 'if (!comp || !(comp instanceof CompItem)) {\n';
script += ' throw new Error("Composition not found");\n';
script += '}\n\n';
script += 'var layer = comp.layer(' + params.layerIndex + ');\n';
script += 'if (!layer) {\n';
script += ' throw new Error("Layer not found");\n';
script += '}\n\n';
script += 'var preset = "' + params.preset + '";\n';
script += 'var startTime = ' + (params.startTime !== undefined ? params.startTime : 'comp.time') + ';\n';
script += 'var duration = ' + (params.duration || 1) + ';\n';
script += 'var properties = ' + (params.properties ? JSON.stringify(params.properties) : '["position", "scale", "rotation", "opacity"]') + ';\n\n';
script += '// Apply preset animations\n';
script += 'switch(preset) {\n';
// fadeIn
script += ' case "fadeIn":\n';
script += ' if (properties.indexOf("opacity") !== -1) {\n';
script += ' var opacity = layer.property("ADBE Opacity");\n';
script += ' opacity.setValueAtTime(startTime, 0);\n';
script += ' opacity.setValueAtTime(startTime + duration, 100);\n';
script += ' // Apply ease\n';
script += ' opacity.setTemporalEaseAtKey(2, [new KeyframeEase(0, 33.333)], [new KeyframeEase(0, 33.333)]);\n';
script += ' }\n';
script += ' break;\n\n';
// fadeOut
script += ' case "fadeOut":\n';
script += ' if (properties.indexOf("opacity") !== -1) {\n';
script += ' var opacity = layer.property("ADBE Opacity");\n';
script += ' opacity.setValueAtTime(startTime, 100);\n';
script += ' opacity.setValueAtTime(startTime + duration, 0);\n';
script += ' opacity.setTemporalEaseAtKey(2, [new KeyframeEase(0, 33.333)], [new KeyframeEase(0, 33.333)]);\n';
script += ' }\n';
script += ' break;\n\n';
// slideInLeft
script += ' case "slideInLeft":\n';
script += ' if (properties.indexOf("position") !== -1) {\n';
script += ' var position = layer.property("ADBE Transform Group").property("ADBE Position");\n';
script += ' var currentPos = position.value;\n';
script += ' position.setValueAtTime(startTime, [currentPos[0] - comp.width, currentPos[1]]);\n';
script += ' position.setValueAtTime(startTime + duration, currentPos);\n';
script += ' // Apply ease based on dimensions\n';
script += ' if (currentPos.length === 2) {\n';
script += ' position.setTemporalEaseAtKey(2, [new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333)], [new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333)]);\n';
script += ' } else if (currentPos.length === 3) {\n';
script += ' position.setTemporalEaseAtKey(2, [new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333)], [new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333)]);\n';
script += ' }\n';
script += ' }\n';
script += ' break;\n\n';
// slideInRight
script += ' case "slideInRight":\n';
script += ' if (properties.indexOf("position") !== -1) {\n';
script += ' var position = layer.property("ADBE Transform Group").property("ADBE Position");\n';
script += ' var currentPos = position.value;\n';
script += ' position.setValueAtTime(startTime, [currentPos[0] + comp.width, currentPos[1]]);\n';
script += ' position.setValueAtTime(startTime + duration, currentPos);\n';
script += ' // Apply ease based on dimensions\n';
script += ' if (currentPos.length === 2) {\n';
script += ' position.setTemporalEaseAtKey(2, [new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333)], [new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333)]);\n';
script += ' } else if (currentPos.length === 3) {\n';
script += ' position.setTemporalEaseAtKey(2, [new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333)], [new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333)]);\n';
script += ' }\n';
script += ' }\n';
script += ' break;\n\n';
// slideInTop
script += ' case "slideInTop":\n';
script += ' if (properties.indexOf("position") !== -1) {\n';
script += ' var position = layer.property("ADBE Transform Group").property("ADBE Position");\n';
script += ' var currentPos = position.value;\n';
script += ' position.setValueAtTime(startTime, [currentPos[0], currentPos[1] - comp.height]);\n';
script += ' position.setValueAtTime(startTime + duration, currentPos);\n';
script += ' // Apply ease based on dimensions\n';
script += ' if (currentPos.length === 2) {\n';
script += ' position.setTemporalEaseAtKey(2, [new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333)], [new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333)]);\n';
script += ' } else if (currentPos.length === 3) {\n';
script += ' position.setTemporalEaseAtKey(2, [new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333)], [new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333)]);\n';
script += ' }\n';
script += ' }\n';
script += ' break;\n\n';
// slideInBottom
script += ' case "slideInBottom":\n';
script += ' if (properties.indexOf("position") !== -1) {\n';
script += ' var position = layer.property("ADBE Transform Group").property("ADBE Position");\n';
script += ' var currentPos = position.value;\n';
script += ' position.setValueAtTime(startTime, [currentPos[0], currentPos[1] + comp.height]);\n';
script += ' position.setValueAtTime(startTime + duration, currentPos);\n';
script += ' // Apply ease based on dimensions\n';
script += ' if (currentPos.length === 2) {\n';
script += ' position.setTemporalEaseAtKey(2, [new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333)], [new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333)]);\n';
script += ' } else if (currentPos.length === 3) {\n';
script += ' position.setTemporalEaseAtKey(2, [new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333)], [new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333)]);\n';
script += ' }\n';
script += ' }\n';
script += ' break;\n\n';
// scaleIn
script += ' case "scaleIn":\n';
script += ' if (properties.indexOf("scale") !== -1) {\n';
script += ' var scale = layer.property("ADBE Transform Group").property("ADBE Scale");\n';
script += ' scale.setValueAtTime(startTime, [0, 0]);\n';
script += ' scale.setValueAtTime(startTime + duration, [100, 100]);\n';
script += ' scale.setTemporalEaseAtKey(2, [new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333)], \n';
script += ' [new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333)]);\n';
script += ' }\n';
script += ' break;\n\n';
// scaleOut
script += ' case "scaleOut":\n';
script += ' if (properties.indexOf("scale") !== -1) {\n';
script += ' var scale = layer.property("ADBE Transform Group").property("ADBE Scale");\n';
script += ' scale.setValueAtTime(startTime, [100, 100]);\n';
script += ' scale.setValueAtTime(startTime + duration, [0, 0]);\n';
script += ' scale.setTemporalEaseAtKey(2, [new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333)], \n';
script += ' [new KeyframeEase(0, 33.333), new KeyframeEase(0, 33.333)]);\n';
script += ' }\n';
script += ' break;\n\n';
// rotateIn
script += ' case "rotateIn":\n';
script += ' if (properties.indexOf("rotation") !== -1) {\n';
script += ' var rotation = layer.property("ADBE Transform Group").property("ADBE Rotate Z");\n';
script += ' rotation.setValueAtTime(startTime, -720);\n';
script += ' rotation.setValueAtTime(startTime + duration, 0);\n';
script += ' rotation.setTemporalEaseAtKey(2, [new KeyframeEase(0, 33.333)], [new KeyframeEase(0, 33.333)]);\n';
script += ' }\n';
script += ' if (properties.indexOf("scale") !== -1) {\n';
script += ' var scale = layer.property("ADBE Transform Group").property("ADBE Scale");\n';
script += ' scale.setValueAtTime(startTime, [0, 0]);\n';
script += ' scale.setValueAtTime(startTime + duration, [100, 100]);\n';
script += ' }\n';
script += ' break;\n\n';
// bounce
script += ' case "bounce":\n';
script += ' if (properties.indexOf("position") !== -1) {\n';
script += ' // Apply bounce expression\n';
script += ' var position = layer.property("ADBE Transform Group").property("ADBE Position");\n';
script += ' var currentPos = position.value;\n';
script += ' position.setValueAtTime(startTime, [currentPos[0], currentPos[1] - 200]);\n';
script += ' position.setValueAtTime(startTime + duration, currentPos);\n';
script += ' \n';
script += ' // Add bounce expression\n';
script += ' position.expression = "// Bounce\\\\n" +\n';
script += ' "amp = .1;\\\\n" +\n';
script += ' "freq = 2.0;\\\\n" +\n';
script += ' "decay = 2.0;\\\\n" +\n';
script += ' "n = 0;\\\\n" +\n';
script += ' "if (numKeys > 0){\\\\n" +\n';
script += ' " n = nearestKey(time).index;\\\\n" +\n';
script += ' " if (key(n).time > time){n--;}\\\\n" +\n';
script += ' "}\\\\n" +\n';
script += ' "if (n == 0){ t = 0; }\\\\n" +\n';
script += ' "else{t = time - key(n).time;}\\\\n" +\n';
script += ' "if (n > 0 && t < 1){\\\\n" +\n';
script += ' " v = velocityAtTime(key(n).time - thisComp.frameDuration/10);\\\\n" +\n';
script += ' " value + v*amp*Math.sin(freq*t*2*Math.PI)/Math.exp(decay*t);\\\\n" +\n';
script += ' "}else{value}";\n';
script += ' }\n';
script += ' break;\n\n';
// elastic
script += ' case "elastic":\n';
script += ' if (properties.indexOf("scale") !== -1) {\n';
script += ' var scale = layer.property("ADBE Transform Group").property("ADBE Scale");\n';
script += ' scale.setValueAtTime(startTime, [0, 0]);\n';
script += ' scale.setValueAtTime(startTime + duration * 0.7, [100, 100]);\n';
script += ' \n';
script += ' // Add elastic expression\n';
script += ' scale.expression = "// Elastic\\\\n" +\n';
script += ' "amp = .05;\\\\n" +\n';
script += ' "freq = 4.0;\\\\n" +\n';
script += ' "decay = 7.0;\\\\n" +\n';
script += ' "n = 0;\\\\n" +\n';
script += ' "if (numKeys > 0){\\\\n" +\n';
script += ' " n = nearestKey(time).index;\\\\n" +\n';
script += ' " if (key(n).time > time){n--;}\\\\n" +\n';
script += ' "}\\\\n" +\n';
script += ' "if (n == 0){ t = 0; }\\\\n" +\n';
script += ' "else{t = time - key(n).time;}\\\\n" +\n';
script += ' "if (n > 0 && t < 1){\\\\n" +\n';
script += ' " v = velocityAtTime(key(n).time - thisComp.frameDuration/10);\\\\n" +\n';
script += ' " value + v*amp*Math.sin(freq*t*2*Math.PI)/Math.exp(decay*t);\\\\n" +\n';
script += ' "}else{value}";\n';
script += ' }\n';
script += ' break;\n\n';
// overshoot
script += ' case "overshoot":\n';
script += ' if (properties.indexOf("scale") !== -1) {\n';
script += ' var scale = layer.property("ADBE Transform Group").property("ADBE Scale");\n';
script += ' scale.setValueAtTime(startTime, [0, 0]);\n';
script += ' scale.setValueAtTime(startTime + duration * 0.7, [120, 120]);\n';
script += ' scale.setValueAtTime(startTime + duration, [100, 100]);\n';
script += ' \n';
script += ' // Apply custom easing for overshoot\n';
script += ' scale.setTemporalEaseAtKey(2, [new KeyframeEase(0, 75)], [new KeyframeEase(0, 75)]);\n';
script += ' scale.setTemporalEaseAtKey(3, [new KeyframeEase(0, 33.333)], [new KeyframeEase(0, 33.333)]);\n';
script += ' }\n';
script += ' break;\n';
script += '}\n\n';
script += 'var result = {};\n';
script += 'result.success = true;\n';
script += 'result.data = {};\n';
script += 'result.data.layerName = layer.name;\n';
script += 'result.data.preset = preset;\n';
script += 'result.data.startTime = startTime;\n';
script += 'result.data.duration = duration;\n';
script += 'result.data.propertiesAnimated = properties;\n';
script += 'return result;';
return script;
}
};
