X-Git-Url: http://git.mutantstargoat.com?p=faros-demo;a=blobdiff_plain;f=sdr%2Fbeam.v.glsl;fp=sdr%2Fbeam.v.glsl;h=6ea5003fe6e2994590a2c3b0a51c9ba15fde89da;hp=a823e8b7907a53300b5c0132e4db9129bb3a868e;hb=b9f859fddd8d2e482a6fbcfe37828b64865a8727;hpb=e288b11ca263beae92f508ca53e1500f0ce68377

diff --git a/sdr/beam.v.glsl b/sdr/beam.v.glsl
index a823e8b..6ea5003 100644
--- a/sdr/beam.v.glsl
+++ b/sdr/beam.v.glsl
@@ -1,9 +1,15 @@
+uniform float beam_len;
+
 void main()
 {
-	float s = gl_Vertex.z + 1.0;
+	float dist = gl_Vertex.z;
+	float s = (dist + 1.0) * 1.6;
 
 	vec4 pos = gl_Vertex * vec4(s, s, 1.0, 1.0);
 
 	gl_Position = gl_ModelViewProjectionMatrix * pos;
-	gl_FrontColor = gl_Color;
+
+	float d = dist / beam_len;
+	float falloff = min(1.0 - d, 1.0);
+	gl_FrontColor = vec4(gl_Color.xyz, gl_Color.a * falloff);
 }