63 lines
2.6 KiB
TypeScript
63 lines
2.6 KiB
TypeScript
import { DancerDistance, handToDancerToSideInCircleFacingAcross } from "../interpreterCommon.js";
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import { SemanticAnimationKind } from "../lowLevelMove.js";
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import { Hand } from "../rendererConstants.js";
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import { ISingleVariantMoveInterpreter, LowLevelMovesForAllDancers, MoveInterpreter, MoveInterpreterCtorArgs, SemanticPositionsForAllDancers, SingleVariantMoveInterpreter, moveInterpreters } from "./_moveInterpreter.js";
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const moveName = "star promenade";
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class StarPromenadeSingleVariant extends SingleVariantMoveInterpreter<StarPromenade, typeof moveName> {
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moveAsLowLevelMoves(): LowLevelMovesForAllDancers {
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// TODO start promenade hands/show dancers close
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return this.handleCircleMove(({ id, startPos }) => {
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const inCenter = this.findPairOpposite(this.move.parameters.who, id) !== null;
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// TODO Actually, does star promenade end facing out and butterfly whirl swaps?
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const endWhich = this.moveInterpreter.swap ? startPos.which.swapDiagonal() : startPos.which;
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const endFacing = endWhich.facingAcross();
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return this.combine([{
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beats: this.move.beats,
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endPosition: {
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...startPos,
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which: endWhich,
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facing: endFacing,
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dancerDistance: DancerDistance.Compact,
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// TODO Perhaps different hands indication for "scooped"?
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hands: handToDancerToSideInCircleFacingAcross(endWhich),
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longLines: undefined,
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balance: undefined,
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},
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movementPattern: {
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kind: SemanticAnimationKind.RotateAround,
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around: "Center",
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byHand: inCenter ? this.moveInterpreter.hand : undefined,
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close: inCenter,
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minAmount: this.move.parameters.hand ? this.move.parameters.circling : -this.move.parameters.circling,
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}
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}], startPos);
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});
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}
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}
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class StarPromenade extends MoveInterpreter<typeof moveName> {
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public readonly hand: Hand;
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public readonly swap: boolean;
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constructor(args: MoveInterpreterCtorArgs<typeof moveName>) {
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super(args);
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this.hand = this.move.parameters.hand ? Hand.Right : Hand.Left;
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this.swap = (this.move.parameters.circling % 360) === 180;
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if (!this.swap && (this.move.parameters.circling % 360 !== 0)) {
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throw new Error(this.move.move + " circling by not a multiple of 180 degrees is unsupported.");
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}
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}
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override allowStartingLongLines(): boolean {
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return true;
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}
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buildSingleVariantMoveInterpreter(startingPos: SemanticPositionsForAllDancers): ISingleVariantMoveInterpreter {
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return new StarPromenadeSingleVariant(this, startingPos);
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}
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}
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moveInterpreters.set(moveName, StarPromenade); |