src/App.tsx

@@ -17,7 +17,7 @@ const Editor = lazy(() => import("./pages/Editor.tsx"))
 export default function App() {
     function suspense(node: ReactNode) {
         return (
-            <Suspense fallback={<p>Loading, please wait...suspense(</p>}>
+            <Suspense fallback={<p>Loading, please wait...</p>}>
                 {node}
             </Suspense>
         )

src/components/arrows/BendableArrow.tsx

@@ -613,7 +613,7 @@ function wavyBezier(
     wavesPer100px: number,
     amplitude: number,
 ): string {
-    function getVerticalAmplification(t: number): Pos {
+    function getVerticalDerivativeProjectionAmplification(t: number): Pos {
         const velocity = cubicBeziersDerivative(start, cp1, cp2, end, t)
         const velocityLength = norm(velocity)
         //rotate the velocity by 90 deg
@@ -641,7 +641,7 @@ function wavyBezier(
 
     for (let t = step; t <= 1; ) {
         const pos = cubicBeziers(start, cp1, cp2, end, t)
-        const amplification = getVerticalAmplification(t)
+        const amplification = getVerticalDerivativeProjectionAmplification(t)
 
         let nextPos
         if (phase == 1 || phase == 3) {

src/components/editor/BasketCourt.tsx

@@ -37,8 +37,8 @@ export function BasketCourt({
             style={{ position: "relative" }}>
             {courtImage}
 
-            {components.map(renderComponent)}
-            {components.flatMap(renderActions)}
+            {courtRef.current && components.map(renderComponent)}
+            {courtRef.current && components.flatMap(renderActions)}
 
             {previewAction && (
                 <CourtAction

src/components/editor/CourtBall.tsx

@@ -13,8 +13,7 @@ export interface CourtBallProps {
 export function CourtBall({ onPosValidated, ball, onRemove }: CourtBallProps) {
     const pieceRef = useRef<HTMLDivElement>(null)
 
-    const x = ball.rightRatio
-    const y = ball.bottomRatio
+    const { x, y } = ball.pos
 
     return (
         <Draggable

src/components/editor/CourtPlayer.tsx

@@ -15,6 +15,10 @@ export interface CourtPlayerProps {
     availableActions: (ro: HTMLElement) => ReactNode[]
 }
 
+const MOVE_AREA_SENSIBILITY = 0.001
+
+export const PLAYER_RADIUS_PIXELS = 20
+
 /**
  * A player that is placed on the court, which can be selected, and moved in the associated bounds
  * */
@@ -28,8 +32,7 @@ export default function CourtPlayer({
     availableActions,
 }: CourtPlayerProps) {
     const usesBall = playerInfo.ballState != BallState.NONE
-    const x = playerInfo.rightRatio
-    const y = playerInfo.bottomRatio
+    const { x, y } = playerInfo.pos
     const pieceRef = useRef<HTMLDivElement>(null)
 
     return (
@@ -44,7 +47,11 @@ export default function CourtPlayer({
 
                 const pos = ratioWithinBase(pieceBounds, parentBounds)
 
-                if (pos.x !== x || pos.y != y) onPositionValidated(pos)
+                if (
+                    Math.abs(pos.x - x) >= MOVE_AREA_SENSIBILITY ||
+                    Math.abs(pos.y - y) >= MOVE_AREA_SENSIBILITY
+                )
+                    onPositionValidated(pos)
             }, [courtRef, onPositionValidated, x, y])}>
             <div
                 id={playerInfo.id}

src/editor/ActionsDomains.ts

@@ -1,8 +1,8 @@
 import {
     BallState,
     Player,
-    PlayerPhantom,
     PlayerLike,
+    PlayerPhantom,
 } from "../model/tactic/Player"
 import { ratioWithinBase } from "../geo/Pos"
 import {
@@ -16,7 +16,9 @@ import { removeBall, updateComponent } from "./TacticContentDomains"
 import {
     areInSamePath,
     changePlayerBallState,
+    getComponent,
     getOrigin,
+    getPlayerNextTo,
     isNextInPath,
     removePlayer,
 } from "./PlayerDomains"
@@ -173,11 +175,9 @@ function alreadyHasAnAnteriorActionWith(
 
     const targetIdx = targetOriginPath.indexOf(target.id)
     for (let i = targetIdx; i < targetOriginPath.length; i++) {
-        const phantom = components.find(
-            (c) => c.id === targetOriginPath[i],
-        )! as PlayerLike
+        const component = getComponent(targetOriginPath[i], components)
         if (
-            phantom.actions.find(
+            component.actions.find(
                 (a) =>
                     typeof a.target === "string" &&
                     moves(a.type) &&
@@ -218,7 +218,10 @@ export function createAction(
      * Creates a new phantom component.
      * Be aware that this function will reassign the `content` parameter.
      */
-    function createPhantom(forceHasBall: boolean): ComponentId {
+    function createPhantom(
+        forceHasBall: boolean,
+        attachedTo?: ComponentId,
+    ): ComponentId {
         const { x, y } = ratioWithinBase(arrowHead, courtBounds)
 
         let itemIndex: number
@@ -269,8 +272,16 @@ export function createAction(
         const phantom: PlayerPhantom = {
             type: "phantom",
             id: phantomId,
-            rightRatio: x,
-            bottomRatio: y,
+            pos: attachedTo
+                ? {
+                      type: "follows",
+                      attach: attachedTo,
+                  }
+                : {
+                      type: "fixed",
+                      x,
+                      y,
+                  },
             originPlayerId: originPlayer.id,
             ballState: phantomState,
             actions: [],
@@ -299,10 +310,24 @@ export function createAction(
                 content = removeBall(content)
             }
 
-            const action: Action = {
-                target: toId,
-                type: getActionKind(component, origin.ballState).kind,
-                segments: [{ next: toId }],
+            const actionKind = getActionKind(component, origin.ballState).kind
+
+            let action: Action
+
+            if (actionKind === ActionKind.SCREEN) {
+                createPhantom(false, toId)
+
+                action = {
+                    target: toId,
+                    type: actionKind,
+                    segments: [{ next: toId }],
+                }
+            } else {
+                action = {
+                    target: toId,
+                    type: actionKind,
+                    segments: [{ next: toId }],
+                }
             }
 
             return {
@@ -318,11 +343,18 @@ export function createAction(
         }
     }
 
+    const actionKind = getActionKind(null, origin.ballState).kind
+
+    if (actionKind === ActionKind.SCREEN)
+        throw new Error(
+            "Attempted to create a screen action with nothing targeted",
+        )
+
     const phantomId = createPhantom(false)
 
     const action: Action = {
         target: phantomId,
-        type: getActionKind(null, origin.ballState).kind,
+        type: actionKind,
         segments: [{ next: phantomId }],
     }
     return {
@@ -358,10 +390,10 @@ export function removeAllActionsTargeting(
 
 export function removeAction(
     origin: TacticComponent,
-    action: Action,
     actionIdx: number,
     content: TacticContent,
 ): TacticContent {
+    const action = origin.actions[actionIdx]
     origin = {
         ...origin,
         actions: origin.actions.toSpliced(actionIdx, 1),
@@ -408,6 +440,15 @@ export function removeAction(
         }
     }
 
+    // if the action type is a screen over a player, remove the phantom bound to the target
+    if (
+        action.type === ActionKind.SCREEN &&
+        (origin.type === "phantom" || origin.type === "player")
+    ) {
+        const screenPhantom = getPlayerNextTo(origin, 1, content.components)!
+        content = removePlayer(screenPhantom, content)
+    }
+
     return content
 }
 
@@ -440,9 +481,10 @@ export function spreadNewStateFromOriginStateChange(
             continue
         }
 
-        const actionTarget = content.components.find(
-            (c) => action.target === c.id,
-        )! as PlayerLike
+        const actionTarget: PlayerLike = getComponent(
+            action.target,
+            content.components,
+        )
 
         let targetState: BallState = actionTarget.ballState
         let deleteAction = false
@@ -472,13 +514,23 @@ export function spreadNewStateFromOriginStateChange(
             action.type === ActionKind.SCREEN
         ) {
             targetState = BallState.HOLDS_BY_PASS
+            const screenPhantom = getPlayerNextTo(
+                origin,
+                1,
+                content.components,
+            )!
+            if (
+                screenPhantom.type === "phantom" &&
+                screenPhantom.pos.type === "follows"
+            ) {
+                content = removePlayer(screenPhantom, content)
+                origin = getComponent(origin.id, content.components)
+            }
         }
 
         if (deleteAction) {
-            content = removeAction(origin, action, i, content)
-            origin = content.components.find((c) => c.id === origin.id)! as
-                | Player
-                | PlayerPhantom
+            content = removeAction(origin, i, content)
+            origin = getComponent(origin.id, content.components)
             i-- // step back
         } else {
             // do not change the action type if it is a shoot action

src/editor/PlayerDomains.ts

@@ -4,13 +4,27 @@ import {
     PlayerLike,
     PlayerPhantom,
 } from "../model/tactic/Player"
-import { TacticComponent, TacticContent } from "../model/tactic/Tactic"
+import {
+    ComponentId,
+    TacticComponent,
+    TacticContent,
+} from "../model/tactic/Tactic"
 import { removeComponent, updateComponent } from "./TacticContentDomains"
 import {
     removeAllActionsTargeting,
     spreadNewStateFromOriginStateChange,
 } from "./ActionsDomains"
 import { ActionKind } from "../model/tactic/Action"
+import {
+    add,
+    minus,
+    norm,
+    Pos,
+    posWithinBase,
+    ratioWithinBase,
+    relativeTo,
+} from "../geo/Pos.ts"
+import { PLAYER_RADIUS_PIXELS } from "../components/editor/CourtPlayer.tsx"
 
 export function getOrigin(
     pathItem: PlayerPhantom,
@@ -20,6 +34,107 @@ export function getOrigin(
     return components.find((c) => c.id == pathItem.originPlayerId)! as Player
 }
 
+export function getPlayerNextTo(
+    player: PlayerLike,
+    n: number,
+    components: TacticComponent[],
+): PlayerLike | undefined {
+    const playerOrigin =
+        player.type === "player" ? player : getOrigin(player, components)
+    const pathItems = playerOrigin.path!.items
+
+    // add one as there is a shifting because a Player is never at the head of its own path
+    const idx = pathItems.indexOf(player.id) + 1 // is 0 if the player is the origin
+
+    const targetIdx = idx + n
+
+    // remove the screen phantom
+    return targetIdx == 0
+        ? playerOrigin
+        : getComponent<PlayerLike>(pathItems[targetIdx - 1], components)
+}
+
+//FIXME this function can be a bottleneck if the phantom's position is
+// following another phantom and / or the origin of the phantom is another
+export function computePhantomPositioning(
+    phantom: PlayerPhantom,
+    content: TacticContent,
+    area: DOMRect,
+): Pos {
+    const positioning = phantom.pos
+
+    // If the position is already known and fixed, return the pos
+    if (positioning.type === "fixed") return positioning
+
+    // If the position is to determine (positioning.type = "follows"), determine the phantom's pos
+    // by calculating it from the referent position, and the action that targets the referent.
+
+    const components = content.components
+
+    // Get the referent from the components
+    const referent: PlayerLike = getComponent(positioning.attach, components)
+    const referentPos =
+        referent.type === "player"
+            ? referent.pos
+            : computePhantomPositioning(referent, content, area)
+
+    // Get the origin
+    const origin = getOrigin(phantom, components)
+    const originPathItems = origin.path!.items
+    const phantomIdx = originPathItems.indexOf(phantom.id)
+
+    const playerBeforePhantom: PlayerLike =
+        phantomIdx == 0
+            ? origin
+            : getComponent(originPathItems[phantomIdx - 1], components)
+    const action = playerBeforePhantom.actions.find(
+        (a) => a.target === positioning.attach,
+    )!
+
+    const segments = action.segments
+    const lastSegment = segments[segments.length - 1]
+    const lastSegmentStart = segments[segments.length - 2]?.next
+    let pivotPoint = lastSegment.controlPoint
+
+    if (!pivotPoint) {
+        if (lastSegmentStart) {
+            pivotPoint =
+                typeof lastSegmentStart === "string"
+                    ? document
+                          .getElementById(lastSegmentStart)!
+                          .getBoundingClientRect()
+                    : lastSegmentStart
+        } else {
+            pivotPoint =
+                playerBeforePhantom.type === "phantom"
+                    ? computePhantomPositioning(
+                          playerBeforePhantom,
+                          content,
+                          area,
+                      )
+                    : playerBeforePhantom.pos
+        }
+    }
+
+    const segment = posWithinBase(relativeTo(referentPos, pivotPoint), area)
+    const segmentLength = norm(segment)
+    const phantomDistanceFromReferent = PLAYER_RADIUS_PIXELS //TODO Place this in constants
+    const segmentProjection = minus(area, {
+        x: (segment.x / segmentLength) * phantomDistanceFromReferent,
+        y: (segment.y / segmentLength) * phantomDistanceFromReferent,
+    })
+    const segmentProjectionRatio: Pos = ratioWithinBase(segmentProjection, area)
+
+    return add(referentPos, segmentProjectionRatio)
+}
+
+export function getComponent<T extends TacticComponent>(
+    id: string,
+    components: TacticComponent[],
+): T {
+    return components.find((c) => c.id === id)! as T
+}
+
 export function areInSamePath(a: PlayerLike, b: PlayerLike) {
     if (a.type === "phantom" && b.type === "phantom") {
         return a.originPlayerId === b.originPlayerId
@@ -54,7 +169,7 @@ export function isNextInPath(
     )
 }
 
-export function removePlayerPath(
+export function clearPlayerPath(
     player: Player,
     content: TacticContent,
 ): TacticContent {
@@ -75,18 +190,60 @@ export function removePlayerPath(
     )
 }
 
+function removeAllPhantomsAttached(
+    to: ComponentId,
+    content: TacticContent,
+): TacticContent {
+    let i = 0
+    while (i < content.components.length) {
+        const component = content.components[i]
+        if (component.type === "phantom") {
+            if (
+                component.pos.type === "follows" &&
+                component.pos.attach === to
+            ) {
+                content = removePlayer(component, content)
+                continue
+            }
+        }
+        i++
+    }
+    return content
+}
+
 export function removePlayer(
     player: PlayerLike,
     content: TacticContent,
 ): TacticContent {
     content = removeAllActionsTargeting(player.id, content)
+    content = removeAllPhantomsAttached(player.id, content)
+
+    if (player.type === "phantom") {
+        const pos = player.pos
+        // if the phantom was attached to another player, remove the action that symbolizes the attachment
+        if (pos.type === "follows") {
+            const playerBefore = getPlayerNextTo(
+                player,
+                -1,
+                content.components,
+            )!
+            const actions = playerBefore.actions.filter(
+                (a) => a.target === pos.attach,
+            )
+            content = updateComponent(
+                {
+                    ...playerBefore,
+                    actions,
+                },
+                content,
+            )
+        }
 
-    if (player.type == "phantom") {
         const origin = getOrigin(player, content.components)
         return truncatePlayerPath(origin, player, content)
     }
 
-    content = removePlayerPath(player, content)
+    content = clearPlayerPath(player, content)
     content = removeComponent(player.id, content)
 
     for (const action of player.actions) {

src/editor/TacticContentDomains.ts

@@ -3,6 +3,7 @@ import {
     BallState,
     Player,
     PlayerInfo,
+    PlayerLike,
     PlayerTeam,
 } from "../model/tactic/Player"
 import {
@@ -18,22 +19,22 @@ import {
 } from "../model/tactic/Tactic"
 import { overlaps } from "../geo/Box"
 import { RackedCourtObject, RackedPlayer } from "./RackedItems"
-import { changePlayerBallState } from "./PlayerDomains"
+import { changePlayerBallState, getComponent, getOrigin } from "./PlayerDomains"
+import { ActionKind } from "../model/tactic/Action.ts"
 
 export function placePlayerAt(
     refBounds: DOMRect,
     courtBounds: DOMRect,
     element: RackedPlayer,
 ): Player {
-    const { x, y } = ratioWithinBase(refBounds, courtBounds)
+    const pos = ratioWithinBase(refBounds, courtBounds)
 
     return {
         type: "player",
         id: "player-" + element.key + "-" + element.team,
         team: element.team,
         role: element.key,
-        rightRatio: x,
-        bottomRatio: y,
+        pos,
         ballState: BallState.NONE,
         path: null,
         actions: [],
@@ -46,7 +47,7 @@ export function placeObjectAt(
     rackedObject: RackedCourtObject,
     content: TacticContent,
 ): TacticContent {
-    const { x, y } = ratioWithinBase(refBounds, courtBounds)
+    const pos = ratioWithinBase(refBounds, courtBounds)
 
     let courtObject: CourtObject
 
@@ -64,8 +65,7 @@ export function placeObjectAt(
             courtObject = {
                 type: BALL_TYPE,
                 id: BALL_ID,
-                rightRatio: x,
-                bottomRatio: y,
+                pos,
                 actions: [],
             }
             break
@@ -134,13 +134,12 @@ export function placeBallAt(
 
     const ballIdx = content.components.findIndex((o) => o.type == "ball")
 
-    const { x, y } = ratioWithinBase(refBounds, courtBounds)
+    const pos = ratioWithinBase(refBounds, courtBounds)
 
     const ball: Ball = {
         type: BALL_TYPE,
         id: BALL_ID,
-        rightRatio: x,
-        bottomRatio: y,
+        pos,
         actions: [],
     }
 
@@ -174,14 +173,61 @@ export function moveComponent(
     if (!overlaps(playerBounds, courtBounds)) {
         return removed(content)
     }
-    return updateComponent(
-        {
+
+    const isPhantom = component.type === "phantom"
+
+    if (isPhantom && component.pos.type === "follows") {
+        const referent = component.pos.attach
+        const origin = getOrigin(component, content.components)
+        const originPathItems = origin.path!.items
+        const phantomIdx = originPathItems.indexOf(component.id)
+
+        const playerBeforePhantom: PlayerLike =
+            phantomIdx == 0
+                ? origin
+                : getComponent(
+                      originPathItems[phantomIdx - 1],
+                      content.components,
+                  )
+        // detach the action from the screen target and transform it to a regular move action to the phantom.
+        content = updateComponent(
+            {
+                ...playerBeforePhantom,
+                actions: playerBeforePhantom.actions.map((a) =>
+                    a.target === referent
+                        ? {
+                              ...a,
+                              segments: a.segments.toSpliced(
+                                  a.segments.length - 2,
+                                  1,
+                                  {
+                                      ...a.segments[a.segments.length - 1],
+                                      next: component.id,
+                                  },
+                              ),
+                              target: component.id,
+                              type: ActionKind.MOVE,
+                          }
+                        : a,
+                ),
+            },
+            content,
+        )
+    }
+
+    content = updateComponent(
+        <TacticComponent>{
             ...component,
-            rightRatio: newPos.x,
-            bottomRatio: newPos.y,
+            pos: isPhantom
+                ? {
+                      type: "fixed",
+                      ...newPos,
+                  }
+                : newPos,
         },
         content,
     )
+    return content
 }
 
 export function removeComponent(

src/model/tactic/Action.ts

@@ -9,9 +9,10 @@ export enum ActionKind {
     SHOOT = "SHOOT",
 }
 
-export type Action = { type: ActionKind } & MovementAction
+export type Action = MovementAction
 
 export interface MovementAction {
+    type: ActionKind
     target: ComponentId | Pos
     segments: Segment[]
 }

src/model/tactic/CourtObjects.ts

@@ -1,4 +1,5 @@
 import { Component } from "./Tactic"
+import { Pos } from "../../geo/Pos.ts"
 
 export const BALL_ID = "ball"
 export const BALL_TYPE = "ball"
@@ -6,4 +7,4 @@ export const BALL_TYPE = "ball"
 //place here all different kinds of objects
 export type CourtObject = Ball
 
-export type Ball = Component<typeof BALL_TYPE>
+export type Ball = Component<typeof BALL_TYPE, Pos>

src/model/tactic/Player.ts

@@ -1,4 +1,5 @@
 import { Component, ComponentId } from "./Tactic"
+import { Pos } from "../../geo/Pos.ts"
 
 export type PlayerId = string
 
@@ -9,10 +10,6 @@ export enum PlayerTeam {
     Opponents = "opponents",
 }
 
-export interface Player extends PlayerInfo, Component<"player"> {
-    readonly id: PlayerId
-}
-
 /**
  * All information about a player
  */
@@ -33,15 +30,7 @@ export interface PlayerInfo {
      */
     readonly ballState: BallState
 
-    /**
-     * Percentage of the player's position to the bottom (0 means top, 1 means bottom, 0.5 means middle)
-     */
-    readonly bottomRatio: number
-
-    /**
-     * Percentage of the player's position to the right (0 means left, 1 means right, 0.5 means middle)
-     */
-    readonly rightRatio: number
+    readonly pos: Pos
 }
 
 export enum BallState {
@@ -52,7 +41,7 @@ export enum BallState {
     PASSED_ORIGIN,
 }
 
-export interface Player extends Component<"player">, PlayerInfo {
+export interface Player extends Component<"player", Pos>, PlayerInfo {
     /**
      * True if the player has a basketball
      */
@@ -65,11 +54,34 @@ export interface MovementPath {
     readonly items: ComponentId[]
 }
 
+/**
+ * The position of the phantom is known and fixed
+ */
+export type FixedPhantomPositioning = { type: "fixed" } & Pos
+/**
+ * The position of the phantom is constrained to a given component.
+ * The actual position of the phantom is to determine given its environment.
+ */
+export type FollowsPhantomPositioning = { type: "follows"; attach: ComponentId }
+
+/**
+ * Defines the different kind of positioning a phantom can have
+ */
+export type PhantomPositioning =
+    | FixedPhantomPositioning
+    | FollowsPhantomPositioning
+
 /**
  * A player phantom is a kind of component that represents the future state of a player
  * according to the court's step information
  */
-export interface PlayerPhantom extends Component<"phantom"> {
+export interface PlayerPhantom
+    extends Component<"phantom", PhantomPositioning> {
     readonly originPlayerId: ComponentId
     readonly ballState: BallState
+
+    /**
+     * Defines a component this phantom will be attached to.
+     */
+    readonly attachedTo?: ComponentId
 }

src/model/tactic/Tactic.ts

@@ -18,7 +18,7 @@ export interface TacticContent {
 export type TacticComponent = Player | CourtObject | PlayerPhantom
 export type ComponentId = string
 
-export interface Component<T> {
+export interface Component<T, Positioning> {
     /**
      * The component's type
      */
@@ -27,15 +27,8 @@ export interface Component<T> {
      * The component's identifier
      */
     readonly id: ComponentId
-    /**
-     * Percentage of the component's position to the bottom (0 means top, 1 means bottom, 0.5 means middle)
-     */
-    readonly bottomRatio: number
 
-    /**
-     * Percentage of the component's position to the right (0 means left, 1 means right, 0.5 means middle)
-     */
-    readonly rightRatio: number
+    readonly pos: Positioning
 
     readonly actions: Action[]
 }

src/pages/Editor.tsx

@@ -68,6 +68,7 @@ import { Action, ActionKind } from "../model/tactic/Action"
 import BallAction from "../components/actions/BallAction"
 import {
     changePlayerBallState,
+    computePhantomPositioning,
     getOrigin,
     removePlayer,
 } from "../editor/PlayerDomains"
@@ -329,7 +330,7 @@ function EditorView({
                     content,
 
                     (content) => {
-                        if (player.type == "player") insertRackedPlayer(player)
+                        if (player.type === "player") insertRackedPlayer(player)
                         return removePlayer(player, content)
                     },
                 ),
@@ -402,8 +403,11 @@ function EditorView({
                     id: component.id,
                     team: origin.team,
                     role: origin.role,
-                    bottomRatio: component.bottomRatio,
-                    rightRatio: component.rightRatio,
+                    pos: computePhantomPositioning(
+                        component,
+                        content,
+                        courtBounds(),
+                    ),
                     ballState: component.ballState,
                 }
             } else {
@@ -435,8 +439,8 @@ function EditorView({
     )
 
     const doDeleteAction = useCallback(
-        (action: Action, idx: number, origin: TacticComponent) => {
-            setContent((content) => removeAction(origin, action, idx, content))
+        (_: Action, idx: number, origin: TacticComponent) => {
+            setContent((content) => removeAction(origin, idx, content))
         },
         [setContent],
     )

src/pages/HomePage.tsx

@@ -57,10 +57,10 @@ export default function HomePage() {
 }
 
 function Home({
-                  lastTactics,
-                  allTactics,
-                  teams,
-              }: {
+    lastTactics,
+    allTactics,
+    teams,
+}: {
     lastTactics: Tactic[]
     allTactics: Tactic[]
     teams: Team[]
@@ -77,10 +77,10 @@ function Home({
 }
 
 function Body({
-                  lastTactics,
-                  allTactics,
-                  teams,
-              }: {
+    lastTactics,
+    allTactics,
+    teams,
+}: {
     lastTactics: Tactic[]
     allTactics: Tactic[]
     teams: Team[]
@@ -100,10 +100,10 @@ function Body({
 }
 
 function SideMenu({
-                      width,
-                      lastTactics,
-                      teams,
-                  }: {
+    width,
+    lastTactics,
+    teams,
+}: {
     width: number
     lastTactics: Tactic[]
     teams: Team[]
@@ -123,9 +123,9 @@ function SideMenu({
 }
 
 function PersonalSpace({
-                           width,
-                           allTactics,
-                       }: {
+    width,
+    allTactics,
+}: {
     width: number
     allTactics: Tactic[]
 }) {
@@ -198,17 +198,15 @@ function TableData({ allTactics }: { allTactics: Tactic[] }) {
 function BodyPersonalSpace({ allTactics }: { allTactics: Tactic[] }) {
     return (
         <div id="body-personal-space">
-            {
-                allTactics.length == 0
-                    ? <p>Aucune tactique créée !</p>
-                    :
-                    <table>
-                        <tbody key="tbody">
+            {allTactics.length == 0 ? (
+                <p>Aucune tactique créée !</p>
+            ) : (
+                <table>
+                    <tbody key="tbody">
                         <TableData allTactics={allTactics} />
-                        </tbody>
-                    </table>
-            }
-
+                    </tbody>
+                </table>
+            )}
         </div>
     )
 }

src/style/steps_tree.css

@@ -1,87 +0,0 @@
-.step-piece {
-    position: relative;
-    font-family: monospace;
-    pointer-events: all;
-
-    background-color: var(--editor-tree-step-piece);
-    color: var(--selected-team-secondarycolor);
-
-    border-radius: 100px;
-
-    width: 20px;
-    height: 20px;
-
-    display: flex;
-
-    align-items: center;
-    justify-content: center;
-
-    user-select: none;
-    cursor: pointer;
-
-    border: 2px solid var(--editor-tree-background);
-}
-
-.step-piece-selected {
-    border: 2px solid var(--selection-color-light);
-}
-
-.step-piece-selected,
-.step-piece:focus,
-.step-piece:hover {
-    background-color: var(--editor-tree-step-piece-hovered);
-}
-
-.step-piece-actions {
-    display: none;
-    position: absolute;
-    column-gap: 5px;
-    top: -140%;
-}
-
-.step-piece-selected .step-piece-actions {
-    display: flex;
-}
-
-.add-icon,
-.remove-icon {
-    background-color: white;
-    border-radius: 100%;
-}
-
-.add-icon {
-    fill: var(--add-icon-fill);
-}
-
-.remove-icon {
-    fill: var(--remove-icon-fill);
-}
-
-.step-children {
-    margin-top: 10vh;
-    display: flex;
-    flex-direction: row;
-    width: 100%;
-    height: 100%;
-}
-
-.step-group {
-    position: relative;
-
-    display: flex;
-    flex-direction: column;
-    align-items: center;
-
-    width: 100%;
-    height: 100%;
-}
-
-.steps-tree {
-    display: flex;
-    flex-direction: column;
-    justify-content: center;
-    align-items: center;
-    padding-top: 10%;
-
-    height: 100%;
-}