@binding(1) @group(0) var mySampler: sampler;
@binding(2) @group(0) var myTexture: texture_2d<f32>;

@stage(fragment) fn main(
        @location(0) fragUV: vec2<f32>,
        @location(1) fragPosition: vec4<f32>
) -> @location(0) vec4<f32> {
  let texColor = textureSample(myTexture, mySampler, fragUV * 0.8 + vec2<f32>(0.1, 0.1));
  let f = f32(length(texColor.rgb - vec3<f32>(0.5, 0.5, 0.5)) < 0.01);
  return (1.0 - f) * texColor + f * fragPosition;
  // return vec4<f32>(texColor.rgb,1.0);
}