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import {Vector3} from 'three';
let objectWorldPosition = new Vector3();
let cameraWorldPosition = new Vector3();
let objectWorldScale = new Vector3();
export default function(object, renderer, camera) {
if (renderer.domElement.width && renderer.domElement.height && object.material.map.textLines.length) {
let distance = object.getWorldPosition(objectWorldPosition).distanceTo(camera.getWorldPosition(cameraWorldPosition));
if (distance) {
let heightInPixels = object.getWorldScale(objectWorldScale).y * renderer.domElement.height / distance;
if (heightInPixels) {
return Math.round(heightInPixels / object.material.map.imageHeight);
}
}
}
return 0;
}
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