+++ /dev/null
-//
-// Fragment shader for procedural bricks
-//
-// Authors: Dave Baldwin, Steve Koren, Randi Rost
-// based on a shader by Darwyn Peachey
-//
-// Copyright (c) 2002-2006 3Dlabs Inc. Ltd.
-//
-// See 3Dlabs-License.txt for license information
-//
-
-uniform vec3 BrickColor, MortarColor;
-uniform vec2 BrickSize;
-uniform vec2 BrickPct;
-
-varying vec2 MCposition;
-varying float LightIntensity;
-
-void main()
-{
- vec3 color;
- vec2 position, useBrick;
-
- position = MCposition / BrickSize;
-
- if (fract(position.y * 0.5) > 0.5)
- position.x += 0.5;
-
- position = fract(position);
-
- useBrick = step(position, BrickPct);
-
- color = mix(MortarColor, BrickColor, useBrick.x * useBrick.y);
- color *= LightIntensity;
- gl_FragColor = vec4(color, 1.0);
-}