From c04a5800f80108b0e2a507fa6be3031376f46f9b Mon Sep 17 00:00:00 2001
From: Eric Andrews <eric.b.andrews.auto@protonmail.com>
Date: Mon, 16 Dec 2024 18:46:24 -0500
Subject: [PATCH] streamline opacity

---
 Mlem/App/Views/Pages/ImageViewer.swift | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/Mlem/App/Views/Pages/ImageViewer.swift b/Mlem/App/Views/Pages/ImageViewer.swift
index aadcfba55..24b81d7c4 100644
--- a/Mlem/App/Views/Pages/ImageViewer.swift
+++ b/Mlem/App/Views/Pages/ImageViewer.swift
@@ -34,7 +34,7 @@ struct ImageViewer: View {
             DynamicMediaView(url: url, cornerRadius: 0, playImmediately: true)
         }
         .offset(y: offset)
-        .background(Color.black.opacity(1.0 - (abs(offset) / screenHeight)))
+        .background(.black)
         .opacity(opacity)
         .overlay(alignment: .topTrailing) {
             if offset == 0 {
@@ -52,19 +52,18 @@ struct ImageViewer: View {
                 .padding(Constants.main.standardSpacing)
             }
         }
-        .onAppear {
-            updateOpacity(1.0)
-        }
         .simultaneousGesture(DragGesture(minimumDistance: 0.0)
-            .onChanged { value in
+            .updating($dragState) { value, state, _ in
+                state = true
                 if !isZoomed, !isDismissing {
                     offset = value.translation.height
+                    opacity = 1.0 - (abs(value.translation.height) / screenHeight)
                 }
             }
-            .updating($dragState) { _, state, _ in
-                state = true
-            }
         )
+        .onAppear {
+            updateOpacity(1.0)
+        }
         .onChange(of: dragState) {
             if !dragState {
                 if abs(offset) > 100 {
@@ -104,6 +103,7 @@ struct ImageViewer: View {
     private func updateDragDistance(_ newDistance: CGFloat, callback: (() -> Void)? = nil) {
         withAnimation(.easeOut(duration: duration)) {
             offset = newDistance
+            opacity = 1.0 - (abs(newDistance) / screenHeight)
         }
         if let callback {
             DispatchQueue.main.asyncAfter(deadline: .now() + duration) {