# HG changeset patch
# User John Tsiombikas <nuclear@mutantstargoat.com>
# Date 1315382178 -10800
# Node ID 889dade2566727a8ac88d6ebc00f397db645019e
# Parent  75a63f9ab7cc6f82a9c25eea32c332a715d1aca1
added fog

diff -r 75a63f9ab7cc -r 889dade25667 sdr/test.p.glsl
--- a/sdr/test.p.glsl	Wed Sep 07 10:49:11 2011 +0300
+++ b/sdr/test.p.glsl	Wed Sep 07 10:56:18 2011 +0300
@@ -4,13 +4,19 @@
 
 uniform sampler2D tex;
 
+varying vec3 vpos;
 varying vec4 var_color;
 varying vec2 var_texcoord;
 
 void main()
 {
+	vec4 fog_color = vec4(0.6, 0.6, 0.6, 1.0);
+
+	float fog = exp(-(0.2 * -vpos.z));
+
 	vec4 texel = texture2D(tex, var_texcoord);
 	texel.w = 1.0;
 
-	gl_FragColor = var_color * texel;
+	vec4 col = var_color * texel;
+	gl_FragColor = mix(fog_color, col, fog);
 }
diff -r 75a63f9ab7cc -r 889dade25667 sdr/test.v.glsl
--- a/sdr/test.v.glsl	Wed Sep 07 10:49:11 2011 +0300
+++ b/sdr/test.v.glsl	Wed Sep 07 10:56:18 2011 +0300
@@ -3,6 +3,7 @@
 attribute vec4 attr_vertex, attr_color;
 attribute vec2 attr_texcoord;
 
+varying vec3 vpos;
 varying vec4 var_color;
 varying vec2 var_texcoord;
 
@@ -10,6 +11,7 @@
 {
 	mat4 mvp = matrix_projection * matrix_modelview;
 	gl_Position = mvp * attr_vertex;
+	vpos = (matrix_modelview * attr_vertex).xyz;
 	var_color = attr_color;
 	var_texcoord = attr_texcoord;
 }
diff -r 75a63f9ab7cc -r 889dade25667 src/istereo.c
--- a/src/istereo.c	Wed Sep 07 10:49:11 2011 +0300
+++ b/src/istereo.c	Wed Sep 07 10:56:18 2011 +0300
@@ -47,7 +47,7 @@
 		return -1;
 	}
 
-	cam_fov(30.0);
+	cam_fov(43.0);
 
 	return 0;
 }
@@ -65,6 +65,7 @@
 	z = ring_height * segm;
 	worm(tsec, z, &pan_x, &pan_y);
 
+	glClearColor(0.6, 0.6, 0.6, 1.0);
 	glClear(GL_COLOR_BUFFER_BIT);
 
 	if(stereo) {