62 lines
1.9 KiB
JavaScript
62 lines
1.9 KiB
JavaScript
import {
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createTypedArray,
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} from '../helpers/arrays';
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function ExpressionValue(elementProp, mult, type) {
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mult = mult || 1;
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var expressionValue;
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if (elementProp.k) {
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elementProp.getValue();
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}
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var i;
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var len;
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var arrValue;
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var val;
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if (type) {
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if (type === 'color') {
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len = 4;
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expressionValue = createTypedArray('float32', len);
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arrValue = createTypedArray('float32', len);
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for (i = 0; i < len; i += 1) {
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arrValue[i] = (i < 3) ? elementProp.v[i] * mult : 1;
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expressionValue[i] = arrValue[i];
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}
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expressionValue.value = arrValue;
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}
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} else if (elementProp.propType === 'unidimensional') {
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val = elementProp.v * mult;
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expressionValue = new Number(val); // eslint-disable-line no-new-wrappers
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expressionValue.value = val;
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} else {
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len = elementProp.pv.length;
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expressionValue = createTypedArray('float32', len);
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arrValue = createTypedArray('float32', len);
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for (i = 0; i < len; i += 1) {
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arrValue[i] = elementProp.v[i] * mult;
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expressionValue[i] = arrValue[i];
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}
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expressionValue.value = arrValue;
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}
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expressionValue.numKeys = elementProp.keyframes ? elementProp.keyframes.length : 0;
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expressionValue.key = function (pos) {
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if (!expressionValue.numKeys) {
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return 0;
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}
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return elementProp.keyframes[pos - 1].t;
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};
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expressionValue.valueAtTime = elementProp.getValueAtTime;
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expressionValue.speedAtTime = elementProp.getSpeedAtTime;
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expressionValue.velocityAtTime = elementProp.getVelocityAtTime;
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expressionValue.propertyGroup = elementProp.propertyGroup;
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Object.defineProperty(expressionValue, 'velocity', {
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get: function () {
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return elementProp.getVelocityAtTime(elementProp.comp.currentFrame);
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},
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});
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return expressionValue;
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}
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export default ExpressionValue;
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