X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=ld42_outofspace;a=blobdiff_plain;f=sdr%2Ffield.p.glsl;fp=sdr%2Ffield.p.glsl;h=b8888c9b3762d56bb28ecbfae4107ab94a7c4332;hp=0000000000000000000000000000000000000000;hb=89df915930177f3bc5f71095562c6e15074be220;hpb=b8200afc389ccca3e86463eb48c0563c0e093552

diff --git a/sdr/field.p.glsl b/sdr/field.p.glsl
new file mode 100644
index 0000000..b8888c9
--- /dev/null
+++ b/sdr/field.p.glsl
@@ -0,0 +1,12 @@
+#version 410 compatibility
+
+uniform sampler2D gvis_tex, field_tex;
+
+void main()
+{
+	vec4 gridcol = texture2D(gvis_tex, gl_TexCoord[0].st);
+	float field = -texture2D(field_tex, gl_TexCoord[1].st).x;
+
+	gl_FragColor.rgb = gridcol.rgb + vec3(field, field, field);
+	gl_FragColor.a = 1.0;
+}