bodymovin
Version:
After Effects plugin for exporting animations to SVG + JavaScript or canvas + JavaScript
44 lines (42 loc) • 1.79 kB
JavaScript
var ExpressionValue = (function() {
return function(elementProp, mult, type) {
var expressionValue, arrayValue;
if (elementProp.k) {
elementProp.getValue();
}
var i, len, arrValue;
if (type) {
if(type === 'color') {
len = 4;
expressionValue = Array.apply(null, {length: len});
arrValue = Array.apply(null, {length: len});
for (i = 0; i < len; i += 1) {
expressionValue[i] = arrValue[i] = (mult && i < 3) ? elementProp.v[i] * mult : 1;
}
expressionValue.value = arrValue;
}
} else if (typeof elementProp.v === 'number' || elementProp.v instanceof Number){
expressionValue = mult ? new Number(elementProp.v * mult) : new Number(elementProp.v);
expressionValue.value = mult ? elementProp.v * mult : elementProp.v;
} else {
len = elementProp.v.length;
expressionValue = Array.apply(null, {length: len});
arrValue = Array.apply(null, {length: len});
for (i = 0; i < len; i += 1) {
expressionValue[i] = arrValue[i] = mult ? elementProp.v[i] * mult : elementProp.v[i];
}
expressionValue.value = arrValue;
}
expressionValue.numKeys = elementProp.keyframes ? elementProp.keyframes.length : 0;
expressionValue.key = function(pos) {
if (!expressionValue.numKeys) {
return 0;
} else {
return elementProp.keyframes[pos-1].t;
}
};
expressionValue.valueAtTime = elementProp.getValueAtTime;
expressionValue.propertyGroup = elementProp.propertyGroup;
return expressionValue;
}
}())