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Cam tweening working! UI buggy af. To fix.

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This commit is contained in:
Jenny Crowe 2024-02-27 23:29:40 -07:00
parent 00d75e7a3a
commit 858d8edf7a
2 changed files with 111 additions and 2 deletions
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46
source/funkin/play/PlayState.hx
View file

@ -219,6 +219,12 @@ class PlayState extends MusicBeatSubState
*/
public var cameraFollowPoint:FlxObject;
/**
* An FlxTween that tweens the camera to the follow point.
* Only used when tweening the camera manually, rather than tweening via follow.
*/
public var cameraFollowTween:FlxTween;
/**
* The camera follow point from the last stage.
* Used to persist the position of the `cameraFollowPosition` between levels.
@ -2847,15 +2853,51 @@ class PlayState extends MusicBeatSubState
/**
* Resets the camera's zoom level and focus point.
*/
public function resetCamera():Void
public function resetCamera(?resetZoom:Bool = true, ?cancelFollowTween:Bool = true):Void
{
// Cancel the follow tween if it's active.
if (cancelFollowTween && cameraFollowTween != null)
{
cameraFollowTween.cancel();
}
FlxG.camera.follow(cameraFollowPoint, LOCKON, 0.04);
FlxG.camera.targetOffset.set();
FlxG.camera.zoom = defaultCameraZoom;
if (resetZoom)
{
FlxG.camera.zoom = defaultCameraZoom;
}
// Snap the camera to the follow point immediately.
FlxG.camera.focusOn(cameraFollowPoint.getPosition());
}
/**
* Disables camera following and tweens the camera to the follow point manually.
*/
public function tweenCamera(?duration:Float, ?ease:Null<Float->Float>):Void
{
// Cancel the current tween if it's active.
if (cameraFollowTween != null)
{
cameraFollowTween.cancel();
}
// Disable camera following for the duration of the tween.
FlxG.camera.target = null;
// Follow tween! Caching it so we can cancel it later if needed.
var followPos:FlxPoint = cameraFollowPoint.getPosition() - FlxPoint.weak(FlxG.camera.width * 0.5, FlxG.camera.height * 0.5);
cameraFollowTween = FlxTween.tween(FlxG.camera.scroll, {x: followPos.x, y: followPos.y}, duration,
{
ease: ease,
onComplete: function(_) {
resetCamera(false, false); // Re-enable camera following when the tween is complete.
}
});
}
#if (debug || FORCE_DEBUG_VERSION)
/**
* Jumps forward or backward a number of sections in the song.

67
source/funkin/play/event/FocusCameraSongEvent.hx
View file

@ -1,5 +1,6 @@
package funkin.play.event;
import flixel.tweens.FlxEase;
// Data from the chart
import funkin.data.song.SongData;
import funkin.data.song.SongData.SongEventData;
@ -66,6 +67,13 @@ class FocusCameraSongEvent extends SongEvent
if (char == null) char = cast data.value;
var useTween:Null<Bool> = data.getBool('useTween');
if (useTween == null) useTween = false;
var duration:Null<Float> = data.getFloat('duration');
if (duration == null) duration = 4.0;
var ease:Null<String> = data.getString('ease');
if (ease == null) ease = 'linear';
switch (char)
{
case -1: // Position
@ -114,6 +122,20 @@ class FocusCameraSongEvent extends SongEvent
default:
trace('Unknown camera focus: ' + data);
}
if (useTween) // always ends up false??
{
var durSeconds = Conductor.instance.stepLengthMs * duration / 1000;
var easeFunction:Null<Float->Float> = Reflect.field(FlxEase, ease);
if (easeFunction == null)
{
trace('Invalid ease function: $ease');
return;
}
PlayState.instance.tweenCamera(durSeconds, easeFunction);
}
}
public override function getTitle():String
@ -155,6 +177,51 @@ class FocusCameraSongEvent extends SongEvent
step: 10.0,
type: SongEventFieldType.FLOAT,
units: "px"
},
{
name: 'useTween',
title: 'Use Tween',
type: SongEventFieldType.BOOL,
defaultValue: false
},
{
name: 'duration',
title: 'Duration',
defaultValue: 4.0,
step: 0.5,
type: SongEventFieldType.FLOAT,
units: 'steps'
},
{
name: 'ease',
title: 'Easing Type',
defaultValue: 'linear',
type: SongEventFieldType.ENUM,
keys: [
'Linear' => 'linear',
'Instant' => 'INSTANT',
'Quad In' => 'quadIn',
'Quad Out' => 'quadOut',
'Quad In/Out' => 'quadInOut',
'Cube In' => 'cubeIn',
'Cube Out' => 'cubeOut',
'Cube In/Out' => 'cubeInOut',
'Quart In' => 'quartIn',
'Quart Out' => 'quartOut',
'Quart In/Out' => 'quartInOut',
'Quint In' => 'quintIn',
'Quint Out' => 'quintOut',
'Quint In/Out' => 'quintInOut',
'Smooth Step In' => 'smoothStepIn',
'Smooth Step Out' => 'smoothStepOut',
'Smooth Step In/Out' => 'smoothStepInOut',
'Sine In' => 'sineIn',
'Sine Out' => 'sineOut',
'Sine In/Out' => 'sineInOut',
'Elastic In' => 'elasticIn',
'Elastic Out' => 'elasticOut',
'Elastic In/Out' => 'elasticInOut',
]
}
]);
}