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Funkin/source/funkin/effects/RetroCameraFade.hx
2024-06-25 13:56:31 -04:00

107 lines
2.7 KiB
Haxe

package funkin.effects;
import flixel.util.FlxTimer;
import flixel.FlxCamera;
import openfl.filters.ColorMatrixFilter;
class RetroCameraFade
{
// im lazy, but we only use this for week 6
// and also sorta yoinked for djflixel, lol !
public static function fadeWhite(camera:FlxCamera, camSteps:Int = 5, time:Float = 1):Void
{
var steps:Int = 0;
var stepsTotal:Int = camSteps;
new FlxTimer().start(time / stepsTotal, _ -> {
var V:Float = (1 / stepsTotal) * steps;
if (steps == stepsTotal) V = 1;
var matrix = [
1, 0, 0, 0, V * 255,
0, 1, 0, 0, V * 255,
0, 0, 1, 0, V * 255,
0, 0, 0, 1, 0
];
camera.filters = [new ColorMatrixFilter(matrix)];
steps++;
}, stepsTotal + 1);
}
public static function fadeFromWhite(camera:FlxCamera, camSteps:Int = 5, time:Float = 1):Void
{
var steps:Int = camSteps;
var stepsTotal:Int = camSteps;
var matrixDerp = [
1, 0, 0, 0, 1.0 * 255,
0, 1, 0, 0, 1.0 * 255,
0, 0, 1, 0, 1.0 * 255,
0, 0, 0, 1, 0
];
camera.filters = [new ColorMatrixFilter(matrixDerp)];
new FlxTimer().start(time / stepsTotal, _ -> {
var V:Float = (1 / stepsTotal) * steps;
if (steps == stepsTotal) V = 1;
var matrix = [
1, 0, 0, 0, V * 255,
0, 1, 0, 0, V * 255,
0, 0, 1, 0, V * 255,
0, 0, 0, 1, 0
];
camera.filters = [new ColorMatrixFilter(matrix)];
steps--;
}, camSteps);
}
public static function fadeToBlack(camera:FlxCamera, camSteps:Int = 5, time:Float = 1):Void
{
var steps:Int = 0;
var stepsTotal:Int = camSteps;
new FlxTimer().start(time / stepsTotal, _ -> {
var V:Float = (1 / stepsTotal) * steps;
if (steps == stepsTotal) V = 1;
var matrix = [
1, 0, 0, 0, -V * 255,
0, 1, 0, 0, -V * 255,
0, 0, 1, 0, -V * 255,
0, 0, 0, 1, 0
];
camera.filters = [new ColorMatrixFilter(matrix)];
steps++;
}, camSteps);
}
public static function fadeBlack(camera:FlxCamera, camSteps:Int = 5, time:Float = 1):Void
{
var steps:Int = camSteps;
var stepsTotal:Int = camSteps;
var matrixDerp = [
1, 0, 0, 0, -1.0 * 255,
0, 1, 0, 0, -1.0 * 255,
0, 0, 1, 0, -1.0 * 255,
0, 0, 0, 1, 0
];
camera.filters = [new ColorMatrixFilter(matrixDerp)];
new FlxTimer().start(time / stepsTotal, _ -> {
var V:Float = (1 / stepsTotal) * steps;
if (steps == stepsTotal) V = 1;
var matrix = [
1, 0, 0, 0, -V * 255,
0, 1, 0, 0, -V * 255,
0, 0, 1, 0, -V * 255,
0, 0, 0, 1, 0
];
camera.filters = [new ColorMatrixFilter(matrix)];
steps--;
}, camSteps + 1);
}
}