File size: 2,430 Bytes
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import { first } from "../utilities/array";
import { rotatePosition } from "../utilities/rotation";
import { calculateIntersection } from "../utilities/intersection";
import { calculateRotationAboutZAxisQuaternion, calculateForwardsRotationQuaternion, calculateBackwardsRotationQuaternion } from "../utilities/quaternion";
export default class VerticalLine {
constructor(firstPositionComponent, forwardsRotationQuaternion, backwardsRotationQuaternion) {
this.firstPositionComponent = firstPositionComponent;
this.forwardsRotationQuaternion = forwardsRotationQuaternion;
this.backwardsRotationQuaternion = backwardsRotationQuaternion;
}
getFirstPositionComponent() {
return this.firstPositionComponent;
}
getForwardsRotationQuaternion() {
return this.forwardsRotationQuaternion;
}
getBackwardsRotationQuaternion() {
return this.backwardsRotationQuaternion;
}
splitFacet(facet, smallerFacets, marginOfError) {
const edges = facet.getEdges(),
intersections = edges.map((edge) => {
const intersection = calculateIntersection(edge, this.firstPositionComponent);
return intersection;
});
facet.splitWithIntersections(intersections, smallerFacets, marginOfError);
}
splitFacets(facets, marginOfError) {
const smallerFacets = [];
facets.forEach((facet) => {
facet.rotate(this.forwardsRotationQuaternion);
this.splitFacet(facet, smallerFacets, marginOfError);
});
smallerFacets.forEach((smallerFacet) => smallerFacet.rotate(this.backwardsRotationQuaternion));
return smallerFacets;
}
static fromMaskingEdge(maskingEdge) {
const maskingEdgePosition = maskingEdge.getPosition(),
rotationAboutZAxisQuaternion = calculateRotationAboutZAxisQuaternion(maskingEdge),
rotationQuaternion = rotationAboutZAxisQuaternion, ///
forwardsRotationQuaternion = calculateForwardsRotationQuaternion(rotationQuaternion),
backwardsRotationQuaternion = calculateBackwardsRotationQuaternion(rotationQuaternion),
position = rotatePosition(maskingEdgePosition, rotationQuaternion),
positionComponents = position, ///
firstPositionComponent = first(positionComponents),
verticalLine = new VerticalLine(firstPositionComponent, forwardsRotationQuaternion, backwardsRotationQuaternion);
return verticalLine;
}
}
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