From cc486bacb6be7c9611c2bfe40e41c88527679bf2 Mon Sep 17 00:00:00 2001
From: Alexander Gauggel <agauggel@uni-koblenz.de>
Date: Sat, 26 Jun 2021 20:10:37 +0200
Subject: [PATCH] [#69] Fade out particle color towards end of life
---
projects/particle_simulation/shaders/shader_space.frag | 3 +++
projects/particle_simulation/shaders/shader_water.frag | 3 +++
2 files changed, 6 insertions(+)
diff --git a/projects/particle_simulation/shaders/shader_space.frag b/projects/particle_simulation/shaders/shader_space.frag
index c4abcb28..7f6d2206 100644
--- a/projects/particle_simulation/shaders/shader_space.frag
+++ b/projects/particle_simulation/shaders/shader_space.frag
@@ -40,4 +40,7 @@ void main()
// make the triangle look like a circle
outColor *= circleFactor(passTriangleCoordinates);
+
+ // fade out particle shortly before it dies
+ outColor *= clamp(passlifeTime * 2, 0, 1);
}
\ No newline at end of file
diff --git a/projects/particle_simulation/shaders/shader_water.frag b/projects/particle_simulation/shaders/shader_water.frag
index 4a62ad34..b68f9572 100644
--- a/projects/particle_simulation/shaders/shader_water.frag
+++ b/projects/particle_simulation/shaders/shader_water.frag
@@ -40,4 +40,7 @@ void main()
// make the triangle look like a circle
outColor *= circleFactor(passTriangleCoordinates);
+
+ // fade out particle shortly before it dies
+ outColor *= clamp(passlifeTime * 2, 0, 1);
}
--
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