From b3c87a7b30a7faf0f4366a01ed7e9b07b60370d0 Mon Sep 17 00:00:00 2001
From: drumsetmonkey <abelleisle@roadrunner.com>
Date: Wed, 4 Nov 2015 08:42:23 -0500
Subject: Made ray casting example

---
 shader.frag | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

(limited to 'shader.frag')

diff --git a/shader.frag b/shader.frag
index 857c6b9..55527a1 100644
--- a/shader.frag
+++ b/shader.frag
@@ -5,16 +5,10 @@ uniform vec3 lightColor;
 uniform float lightStrength;
 uniform float screenHeight;
 
-uniform vec2 rayStart;
-uniform vec2 rayEnd;
-
-uniform sampler2D tex;
-uniform vec2 resolution;
-
 void main(){
 	float distance = length(lightLocation - gl_FragCoord.xy);
 	float attenuation = lightStrength / distance;
-	vec4 color = vec4(0, 0, 0, 0.8f - pow(attenuation, 3)) * vec4(lightColor, 1);
+	vec4 color = vec4(attenuation, attenuation, attenuation, (pow(attenuation, 3)) * vec4(lightColor, 2))+.5;
 	
 	gl_FragColor = color;
 }
-- 
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