temp

1 files changed, 49 insertions, 0 deletions

diff --git a/src/main/java/cc/polyfrost/oneconfig/gui/animations/Animation.java b/src/main/java/cc/polyfrost/oneconfig/gui/animations/Animation.java
new file mode 100644
index 0000000..894be2a
--- /dev/null
+++ b/src/main/java/cc/polyfrost/oneconfig/gui/animations/Animation.java
@@ -0,0 +1,49 @@
+package cc.polyfrost.oneconfig.gui.animations;
+
+import cc.polyfrost.oneconfig.gui.OneConfigGui;
+
+public abstract class Animation {
+    private final int duration;
+    private final float start;
+    private final float change;
+    private long timePassed = 0;
+
+    /**
+     * @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 Animation(int duration, float start, float end, boolean reverse) {
+        this.duration = duration;
+        this.start = start;
+        if (!reverse) this.change = end - start;
+        else this.change = start - end;
+    }
+
+    /**
+     * @param deltaTime The time since the last frame
+     * @return The new value
+     */
+    public float get(long deltaTime) {
+        timePassed += deltaTime;
+        if (timePassed >= duration) return start + change;
+        return animate(timePassed, duration, start, change);
+    }
+
+    /**
+     * @return The new value
+     */
+    public float get() {
+        return get(OneConfigGui.getDeltaTimeNullSafe());
+    }
+
+    /**
+     * @return If the animation is finished or not
+     */
+    public boolean isFinished() {
+        return timePassed >= duration;
+    }
+
+    protected abstract float animate(long timePassed, int duration, float start, float change);
+}