| // Copyright 2013 The Flutter Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style license that can be | |
| // found in the LICENSE file. | |
| layout(location = 0) uniform float iTime; | |
| layout(location = 1) uniform vec2 iResolution; | |
| layout(location = 0) out vec4 fragColor; | |
| void main() { | |
| vec2 uv = gl_FragCoord.xy / iResolution; | |
| float t = 4 * iTime; | |
| vec3 col = 0.5 + 0.5 * cos(t + uv.xyx + vec3(0, 1, 4)); | |
| fragColor = vec4(col, 1.0); | |
| } |