moving around the createPolyline function

1 files changed, 0 insertions, 206 deletions

diff --git a/src/client/util/InteractionUtils.ts b/src/client/util/InteractionUtils.ts
deleted file mode 100644
index 3e6d27242..000000000
--- a/src/client/util/InteractionUtils.ts
+++ /dev/null
@@ -1,206 +0,0 @@
-export namespace InteractionUtils {
-    export const MOUSETYPE = "mouse";
-    export const TOUCHTYPE = "touch";
-    export const PENTYPE = "pen";
-    export const ERASERTYPE = "eraser";
-
-    const POINTER_PEN_BUTTON = -1;
-    const REACT_POINTER_PEN_BUTTON = 0;
-    const ERASER_BUTTON = 5;
-
-    export class MultiTouchEvent<T extends React.TouchEvent | TouchEvent> {
-        constructor(
-            readonly fingers: number,
-            // readonly points: T extends React.TouchEvent ? React.TouchList : TouchList,
-            readonly targetTouches: T extends React.TouchEvent ? React.Touch[] : Touch[],
-            readonly touches: T extends React.TouchEvent ? React.Touch[] : Touch[],
-            readonly changedTouches: T extends React.TouchEvent ? React.Touch[] : Touch[],
-            readonly touchEvent: T extends React.TouchEvent ? React.TouchEvent : TouchEvent
-        ) { }
-    }
-
-    export interface MultiTouchEventDisposer { (): void; }
-
-    export function MakeMultiTouchTarget(
-        element: HTMLElement,
-        startFunc: (e: Event, me: MultiTouchEvent<React.TouchEvent>) => void,
-    ): MultiTouchEventDisposer {
-        const onMultiTouchStartHandler = (e: Event) => startFunc(e, (e as CustomEvent<MultiTouchEvent<React.TouchEvent>>).detail);
-        // const onMultiTouchMoveHandler = moveFunc ? (e: Event) => moveFunc(e, (e as CustomEvent<MultiTouchEvent<TouchEvent>>).detail) : undefined;
-        // const onMultiTouchEndHandler = endFunc ? (e: Event) => endFunc(e, (e as CustomEvent<MultiTouchEvent<TouchEvent>>).detail) : undefined;
-        element.addEventListener("dashOnTouchStart", onMultiTouchStartHandler);
-        // if (onMultiTouchMoveHandler) {
-        //     element.addEventListener("dashOnTouchMove", onMultiTouchMoveHandler);
-        // }
-        // if (onMultiTouchEndHandler) {
-        //     element.addEventListener("dashOnTouchEnd", onMultiTouchEndHandler);
-        // }
-        return () => {
-            element.removeEventListener("dashOnTouchStart", onMultiTouchStartHandler);
-            // if (onMultiTouchMoveHandler) {
-            //     element.removeEventListener("dashOnTouchMove", onMultiTouchMoveHandler);
-            // }
-            // if (onMultiTouchEndHandler) {
-            //     element.removeEventListener("dashOnTouchend", onMultiTouchEndHandler);
-            // }
-        };
-    }
-
-    export function GetMyTargetTouches(mte: InteractionUtils.MultiTouchEvent<React.TouchEvent | TouchEvent>, prevPoints: Map<number, React.Touch>, ignorePen: boolean): React.Touch[] {
-        const myTouches = new Array<React.Touch>();
-        for (const pt of mte.touches) {
-            if (!ignorePen || (pt.radiusX > 1 && pt.radiusY > 1)) {
-                for (const tPt of mte.targetTouches) {
-                    if (tPt?.screenX === pt?.screenX && tPt?.screenY === pt?.screenY) {
-                        if (pt && prevPoints.has(pt.identifier)) {
-                            myTouches.push(pt);
-                        }
-                    }
-                }
-            }
-        }
-        return myTouches;
-    }
-
-    export function IsType(e: PointerEvent | React.PointerEvent, type: string): boolean {
-        switch (type) {
-            // pen and eraser are both pointer type 'pen', but pen is button 0 and eraser is button 5. -syip2
-            case PENTYPE:
-                return e.pointerType === PENTYPE && (e.button === -1 || e.button === 0);
-            case ERASERTYPE:
-                return e.pointerType === PENTYPE && e.button === (e instanceof PointerEvent ? ERASER_BUTTON : ERASER_BUTTON);
-            default:
-                return e.pointerType === type;
-        }
-    }
-
-    export function TwoPointEuclidist(pt1: React.Touch, pt2: React.Touch): number {
-        return Math.sqrt(Math.pow(pt1.clientX - pt2.clientX, 2) + Math.pow(pt1.clientY - pt2.clientY, 2));
-    }
-
-    /**
-     * Returns the centroid of an n-arbitrary long list of points (takes the average the x and y components of each point)
-     * @param pts - n-arbitrary long list of points
-     */
-    export function CenterPoint(pts: React.Touch[]): { X: number, Y: number } {
-        const centerX = pts.map(pt => pt.clientX).reduce((a, b) => a + b, 0) / pts.length;
-        const centerY = pts.map(pt => pt.clientY).reduce((a, b) => a + b, 0) / pts.length;
-        return { X: centerX, Y: centerY };
-    }
-
-    /**
-     * Returns -1 if pinching out, 0 if not pinching, and 1 if pinching in
-     * @param pt1 - new point that corresponds to oldPoint1
-     * @param pt2 - new point that corresponds to oldPoint2
-     * @param oldPoint1 - previous point 1
-     * @param oldPoint2 - previous point 2
-     */
-    export function Pinching(pt1: React.Touch, pt2: React.Touch, oldPoint1: React.Touch, oldPoint2: React.Touch): number {
-        const threshold = 4;
-        const oldDist = TwoPointEuclidist(oldPoint1, oldPoint2);
-        const newDist = TwoPointEuclidist(pt1, pt2);
-
-        /** if they have the same sign, then we are either pinching in or out.
-          * threshold it by 10 (it has to be pinching by at least threshold to be a valid pinch)
-          * so that it can still pan without freaking out
-          */
-        if (Math.sign(oldDist) === Math.sign(newDist) && Math.abs(oldDist - newDist) > threshold) {
-            return Math.sign(oldDist - newDist);
-        }
-        return 0;
-    }
-
-    /**
-     * Returns -1 if pinning and pinching out, 0 if not pinning, and 1 if pinching in
-     * @param pt1 - new point that corresponds to oldPoint1
-     * @param pt2 - new point that corresponds to oldPoint2
-     * @param oldPoint1 - previous point 1
-     * @param oldPoint2 - previous point 2
-     */
-    export function Pinning(pt1: React.Touch, pt2: React.Touch, oldPoint1: React.Touch, oldPoint2: React.Touch): number {
-        const threshold = 4;
-
-        const pt1Dist = TwoPointEuclidist(oldPoint1, pt1);
-        const pt2Dist = TwoPointEuclidist(oldPoint2, pt2);
-
-        const pinching = Pinching(pt1, pt2, oldPoint1, oldPoint2);
-
-        if (pinching !== 0) {
-            if ((pt1Dist < threshold && pt2Dist > threshold) || (pt1Dist > threshold && pt2Dist < threshold)) {
-                return pinching;
-            }
-        }
-        return 0;
-    }
-
-    export function IsDragging(oldTouches: Map<number, React.Touch>, newTouches: React.Touch[], leniency: number): boolean {
-        for (const touch of newTouches) {
-            if (touch) {
-                const oldTouch = oldTouches.get(touch.identifier);
-                if (oldTouch) {
-                    if (TwoPointEuclidist(touch, oldTouch) >= leniency) {
-                        return true;
-                    }
-                }
-            }
-        }
-        return false;
-    }
-
-    // These might not be very useful anymore, but I'll leave them here for now -syip2
-    {
-
-
-        /**
-         * Returns the type of Touch Interaction from a list of points.
-         * Also returns any data that is associated with a Touch Interaction
-         * @param pts - List of points
-         */
-        // export function InterpretPointers(pts: React.Touch[]): { type: Opt<TouchInteraction>, data?: any } {
-        //     const leniency = 200;
-        //     switch (pts.length) {
-        //         case 1:
-        //             return { type: OneFinger };
-        //         case 2:
-        //             return { type: TwoSeperateFingers };
-        //         case 3:
-        //             let pt1 = pts[0];
-        //             let pt2 = pts[1];
-        //             let pt3 = pts[2];
-        //             if (pt1 && pt2 && pt3) {
-        //                 let dist12 = TwoPointEuclidist(pt1, pt2);
-        //                 let dist23 = TwoPointEuclidist(pt2, pt3);
-        //                 let dist13 = TwoPointEuclidist(pt1, pt3);
-        //                 console.log(`distances: ${dist12}, ${dist23}, ${dist13}`);
-        //                 let dist12close = dist12 < leniency;
-        //                 let dist23close = dist23 < leniency;
-        //                 let dist13close = dist13 < leniency;
-        //                 let xor2313 = dist23close ? !dist13close : dist13close;
-        //                 let xor = dist12close ? !xor2313 : xor2313;
-        //                 // three input xor because javascript doesn't have logical xor's
-        //                 if (xor) {
-        //                     let points: number[] = [];
-        //                     let min = Math.min(dist12, dist23, dist13);
-        //                     switch (min) {
-        //                         case dist12:
-        //                             points = [0, 1, 2];
-        //                             break;
-        //                         case dist23:
-        //                             points = [1, 2, 0];
-        //                             break;
-        //                         case dist13:
-        //                             points = [0, 2, 1];
-        //                             break;
-        //                     }
-        //                     return { type: TwoToOneFingers, data: points };
-        //                 }
-        //                 else {
-        //                     return { type: ThreeSeperateFingers, data: null };
-        //                 }
-        //             }
-        //         default:
-        //             return { type: undefined };
-        //     }
-        // }
-    }
-}
\ No newline at end of file