From bc5db9b0273d43fffad93cf67cf2bfdb714441a9 Mon Sep 17 00:00:00 2001
From: Perttu Ahola <celeron55@gmail.com>
Date: Sat, 3 Aug 2013 19:04:16 +0300
Subject: [PATCH] Lessen the sky color glitch when quickly turning to look up
after looking at ground that contains caves
---
src/sky.cpp | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/src/sky.cpp b/src/sky.cpp
index 22b12ca1b..e55dd1eb2 100644
--- a/src/sky.cpp
+++ b/src/sky.cpp
@@ -433,9 +433,14 @@ void Sky::update(float time_of_day, float time_brightness,
//video::SColorf cloudcolor_bright_dawn_f(1.0, 0.65, 0.44);
video::SColorf cloudcolor_bright_dawn_f(1.0, 0.7, 0.5);
+ float cloud_color_change_fraction = 0.95;
if(sunlight_seen){
- //m_brightness = m_brightness * 0.95 + direct_brightness * 0.05;
- m_brightness = m_brightness * 0.95 + time_brightness * 0.05;
+ if(fabs(time_brightness - m_brightness) < 0.2){
+ m_brightness = m_brightness * 0.95 + time_brightness * 0.05;
+ } else {
+ m_brightness = m_brightness * 0.80 + time_brightness * 0.20;
+ cloud_color_change_fraction = 0.0;
+ }
}
else{
if(direct_brightness < m_brightness)
@@ -493,8 +498,8 @@ void Sky::update(float time_of_day, float time_brightness,
} else {
cloud_direct_brightness = direct_brightness;
}
- m_cloud_brightness = m_cloud_brightness * 0.95 +
- cloud_direct_brightness * (1.0 - 0.95);
+ m_cloud_brightness = m_cloud_brightness * cloud_color_change_fraction +
+ cloud_direct_brightness * (1.0 - cloud_color_change_fraction);
m_cloudcolor_f = video::SColorf(
m_cloudcolor_bright_f.getRed() * m_cloud_brightness,
m_cloudcolor_bright_f.getGreen() * m_cloud_brightness,
--
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