re-organize project structure a bit + add icons

src/VisualEditor/time.ts

@@ -1,77 +0,0 @@
-
-export type TimeMode = TimePaused | TimeRealTime;
-
-// When the simulation is paused, we only need to know the current simulated time.
-export type TimePaused = {
-  kind: "paused",
-  simtime: number, // the current simulated time
-}
-
-// When the simulation is running in real time, we need to know the time when the simulation was set to real time (both in simulated and wall-clock time), and the time scale. This allows us to compute the simulated time of every future event.
-// Such a 'future event' may be:
-//  - raising an input event
-//  - changing of the time scale parameter
-//  - pausing the simulation
-export type TimeRealTime = {
-  kind: "realtime",
-  since: {
-    simtime: number,  // the simulated time at which the time was set to realtime
-    wallclktime: number, // the wall-clock time at which the time was set to realtime
-  }
-  scale: number, // time scale relative to wall-clock time
-}
-
-// given a wall-clock time, how does it translate to simtime?
-export function getSimTime(currentMode: TimeMode, wallclktime: number): number {
-  if (currentMode.kind === "paused") {
-    return currentMode.simtime;
-  }
-  else {
-    const elapsedWallclk = wallclktime - currentMode.since.wallclktime;
-    return currentMode.since.simtime + currentMode.scale * elapsedWallclk;
-  }
-}
-
-// given a simulated real time clock, how long will it take in wall-clock time duration until 'simtime' is the current time?
-export function getWallClkDelay(realtime: TimeRealTime, simtime: number, wallclktime: number): number {
-  const currentSimTime = getSimTime(realtime, wallclktime);
-  const simtimeDelay = simtime - currentSimTime;
-  return Math.max(0, simtimeDelay / realtime.scale);
-}
-
-// given a current simulated clock (paused or real time), switch to real time with given time scale
-export function setRealtime(currentMode: TimeMode, scale: number, wallclktime: number): TimeRealTime {
-  if (currentMode.kind === "paused") {
-    return {
-      kind: "realtime",
-      scale,
-      since: {
-        simtime: currentMode.simtime,
-        wallclktime,
-      },
-    };
-  }
-  else {
-    return {
-      kind: "realtime",
-      scale,
-      since: {
-        simtime: getSimTime(currentMode, wallclktime),
-        wallclktime,
-      },
-    };
-  }
-}
-
-// given a current simulated clock (paused or real time), switch to paused
-export function setPaused(currentMode: TimeMode, wallclktime: number): TimePaused {
-  if (currentMode.kind === "paused") {
-    return currentMode; // no change
-  }
-  else {
-    return {
-      kind: "paused",
-      simtime: getSimTime(currentMode, wallclktime),
-    };
-  }
-}