vrshoot

diff sdr/default.p.glsl @ 0:b2f14e535253

initial commit
author John Tsiombikas <nuclear@member.fsf.org>
date Sat, 01 Feb 2014 19:58:19 +0200
parents
children
line diff
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/sdr/default.p.glsl	Sat Feb 01 19:58:19 2014 +0200
     1.3 @@ -0,0 +1,28 @@
     1.4 +varying vec3 vpos, norm;
     1.5 +varying vec2 texcoord;
     1.6 +
     1.7 +void main()
     1.8 +{
     1.9 +	vec3 n = normalize(norm);
    1.10 +	vec3 ldir = normalize(vec3(-0.5, 0.5, 2));
    1.11 +
    1.12 +	float ndotl = max(dot(n, ldir), 0.0);
    1.13 +
    1.14 +	vec3 color = vec3(0.8, 0.8, 0.8) * ndotl;
    1.15 +
    1.16 +	float hpat = smoothstep(0.49, 0.5, mod(texcoord.x * 8.0, 1.0));
    1.17 +	float vpat = smoothstep(0.49, 0.5, mod(texcoord.y * 8.0, 1.0));
    1.18 +
    1.19 +	float pattern = 0.0;
    1.20 +	if((hpat > 0.5 && vpat > 0.5) || (hpat < 0.5 && vpat < 0.5)) {
    1.21 +		pattern = 1.0;
    1.22 +	} else {
    1.23 +		pattern = 0.0;
    1.24 +	}
    1.25 +
    1.26 +	vec3 tex = vec3(pattern * 0.5 + 0.5);
    1.27 +
    1.28 +
    1.29 +	gl_FragColor.rgb = color * tex;
    1.30 +	gl_FragColor.a = 1.0;
    1.31 +}