diff options
Diffstat (limited to 'examples/quick/shadereffects/content/shaders/wobble.frag')
-rw-r--r-- | examples/quick/shadereffects/content/shaders/wobble.frag | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/examples/quick/shadereffects/content/shaders/wobble.frag b/examples/quick/shadereffects/content/shaders/wobble.frag new file mode 100644 index 0000000000..fedbb68254 --- /dev/null +++ b/examples/quick/shadereffects/content/shaders/wobble.frag @@ -0,0 +1,13 @@ +uniform lowp float qt_Opacity; +uniform highp float amplitude; +uniform highp float frequency; +uniform highp float time; +uniform sampler2D source; + +varying highp vec2 qt_TexCoord0; + +void main() +{ + highp vec2 p = sin(time + frequency * qt_TexCoord0); + gl_FragColor = texture2D(source, qt_TexCoord0 + amplitude * vec2(p.y, -p.x)) * qt_Opacity; +} |