changeset
improve rendering of the grid
Fri, 04 Mar 2022 23:41:58 +0200
- author
- Teemu Piippo <teemu@hecknology.net>
- date
- Fri, 04 Mar 2022 23:41:58 +0200
- changeset 155
- 13713fadbf14
- parent 154
- 47cb50cfa9ad
- child 156
- 65b75beed7e0
improve rendering of the grid
| src/gl/gridprogram.cpp | file | annotate | diff | comparison | revisions |
--- a/src/gl/gridprogram.cpp Fri Mar 04 23:00:06 2022 +0200 +++ b/src/gl/gridprogram.cpp Fri Mar 04 23:41:58 2022 +0200 @@ -52,12 +52,12 @@ /* compute distance to nearest unit line */ float d = min(min(min(dy, dx), 1 - dy), 1 - dx); /* use an extreme sigmoid to bring out the grid shape */ - d = pow(1 - d, 50); + d = pow(1.02 - d, 100); /* fade the grid towards extreme co-ordinates */ d = (1.0f - 20 * max(abs(ex_uv.x), abs(ex_uv.y))) * d; /* add dashes */ - d *= (1 + cos(ex_uv.y / 0.0001f * pi)) * 0.5f; - d *= (1 + cos(ex_uv.x / 0.0001f * pi)) * 0.5f; + d *= (1 + pow(cos((ex_uv.y / 0.0001f) * pi), 10)) * 0.5f; + d *= (1 + pow(cos((ex_uv.x / 0.0001f) * pi), 10)) * 0.5f; color = vec4(gridColor.xyz, gridColor.w * d); } )";
