1 files changed, 23 insertions, 0 deletions
diff --git a/src/main/java/cc/polyfrost/oneconfig/gui/animations/EaseInOutQuad.java b/src/main/java/cc/polyfrost/oneconfig/gui/animations/EaseInOutQuad.java
new file mode 100644
index 0000000..14e802f
--- /dev/null
+++ b/src/main/java/cc/polyfrost/oneconfig/gui/animations/EaseInOutQuad.java
@@ -0,0 +1,23 @@
+package cc.polyfrost.oneconfig.gui.animations;
+
+public class EaseInOutQuad extends Animation{
+
+    /**
+     * @param duration The duration of the animation
+     * @param start    The start of the animation
+     * @param end      The end of the animation
+     * @param reverse  Reverse the animation
+     */
+    public EaseInOutQuad(int duration, float start, float end, boolean reverse) {
+        super(duration, start, end, reverse);
+    }
+
+    /**
+     * Adapted from <a href="https://github.com/jesusgollonet/processing-penner-easing">https://github.com/jesusgollonet/processing-penner-easing</a>
+     */
+    @Override
+    protected float animate(long timePassed, int duration, float start, float change) {
+        if ((timePassed /= duration / 2) < 1) return change / 2 * timePassed * timePassed + start;;
+        return -change / 2 * ((--timePassed) * (timePassed - 2) - 1) + start;
+    }
+}