From e73244bca5ea1a9c2e2734f6f2303ac8f5d59986 Mon Sep 17 00:00:00 2001
From: BoLThompson <60304460+BoLThompson@users.noreply.github.com>
Date: Tue, 12 May 2026 08:47:14 -0700
Subject: [PATCH] add deltatime to darkworld blur size oscillation (#957)

* add deltatime to darkworld blur size oscillation

* updated bloom oscillation to use game_clock
---
 src/d/d_kankyo.cpp | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/d/d_kankyo.cpp b/src/d/d_kankyo.cpp
index 6b84fbae43..468f694b32 100644
--- a/src/d/d_kankyo.cpp
+++ b/src/d/d_kankyo.cpp
@@ -36,6 +36,7 @@
 #include "dusk/imgui/ImGuiBloomWindow.hpp"
 #include "dusk/settings.h"
 #include "dusk/frame_interpolation.h"
+#include "dusk/game_clock.h"
 #endif
 
 static void GxXFog_set();
@@ -2268,6 +2269,7 @@ void dKy_calc_color_set(GXColorS10* out_color_p, color_RGB_class* color_a_start_
                                color_b_start_p->b, color_b_end_p->b, blend_ratio, add_col.b, scale);
 }
 
+
 void dScnKy_env_light_c::setLight() {
     f32 color_ratio;
 
@@ -2513,7 +2515,14 @@ void dScnKy_env_light_c::setLight() {
                 static s16 S_fuwan_sin;
 
                 f32 sin = cM_ssin(S_fuwan_sin);
-                S_fuwan_sin += (s16)cM_rndF(2000.0f) + 500;
+
+                #if TARGET_PC
+                    const f32 deltaTime = dusk::game_clock::consume_interval(this);
+                    const f32 timeScale = deltaTime / dusk::game_clock::period_for_original_frames(1.0f);
+                    S_fuwan_sin += (s16)((cM_rndF(2000.0f) + 500) * timeScale);
+                #else
+                    S_fuwan_sin += (s16)cM_rndF(2000.0f) + 500;
+                #endif
 
                 blure_size += (u8)(sin * (0.2f * blure_size));
             }