From 801c6efa966673d8198a5e8f42e4d6b7adb0ae03 Mon Sep 17 00:00:00 2001
From: David Zhao <nyquill@ppy.sh>
Date: Fri, 12 Apr 2019 10:50:10 +0900
Subject: [PATCH] Add lightness to flashlight shader for dimming

---
 osu.Game.Resources/Shaders/sh_Flashlight.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/osu.Game.Resources/Shaders/sh_Flashlight.h b/osu.Game.Resources/Shaders/sh_Flashlight.h
index 7e0f344..ef5d450 100644
--- a/osu.Game.Resources/Shaders/sh_Flashlight.h
+++ b/osu.Game.Resources/Shaders/sh_Flashlight.h
@@ -8,11 +8,13 @@ varying vec4 v_Colour;
 uniform vec2 flashlightPos;
 uniform vec2 flashlightSize;
 
+uniform float flashlightLightness;
+
 const float smoothness = 1.1;
 
 vec4 getColourAt(vec2, vec2, vec4);
 
 void main(void)
 {
-    gl_FragColor = getColourAt(flashlightPos - v_Position, flashlightSize, v_Colour);
+    gl_FragColor = mix(vec4(0.0, 0.0, 0.0, 1.0), getColourAt(flashlightPos - v_Position, flashlightSize, v_Colour), flashlightLightness);
 }
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