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Rework tweening system and fix tweening bugs #49

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Rework tweening system and fix tweening bugs #49

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933b4f0
Add custom functionality to clear tweens on state switch
stringdotjar Mar 6, 2026
5e9219c
Merge branch 'develop' into core/tweening
stringdotjar Mar 7, 2026
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21 changes: 20 additions & 1 deletion flixelgdx-core/src/main/java/me/stringdotjar/flixelgdx/Flixel.java
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@
import me.stringdotjar.flixelgdx.logging.FlixelLogger;
import me.stringdotjar.flixelgdx.signal.FlixelSignal;
import me.stringdotjar.flixelgdx.signal.FlixelSignalData.UpdateSignalData;
import me.stringdotjar.flixelgdx.tween.FlixelTween;
import me.stringdotjar.flixelgdx.signal.FlixelSignalData.StateSwitchSignalData;
import org.jetbrains.annotations.NotNull;

Expand Down Expand Up @@ -96,12 +97,22 @@ public static void initialize(@NotNull FlixelGame gameInstance,
initialized = true;
}

/**
* Sets the current screen to the provided screen, and clears all active tweens by default.
*
* @param newState The new {@code FlixelState} to set as the current screen.
*/
public static void switchState(FlixelState newState) {
switchState(newState, true);
}

/**
* Sets the current screen to the provided screen.
*
* @param newState The new {@code FlixelState} to set as the current screen.
* @param clearTweens Whether to clear all active tweens.
*/
public static void switchState(FlixelState newState) {
public static void switchState(FlixelState newState, boolean clearTweens) {
Signals.preStateSwitch.dispatch(new StateSwitchSignalData(newState));
if (!initialized) {
throw new IllegalStateException("Flixel has not been initialized yet!");
Expand All @@ -113,6 +124,14 @@ public static void switchState(FlixelState newState) {
state.hide();
state.dispose();
}
if (clearTweens) {
FlixelTween.getGlobalManager()
.getActiveTweens()
.forEach(tween -> tween.cancel());
FlixelTween.getGlobalManager()
.getTweenPool()
.clear();
}
game.resetCameras();
state = newState;
state.create();
Expand Down