Ls_DotDir.blink

kernel Ls_DotDir : ImageComputationKernel<ePixelWise>
{
  Image<eRead, eAccessPoint, eEdgeClamped> src;
  Image<eWrite> dst;

  param:
    float2 dir;

  void define() {
    defineParam(dir, "Direction", float2(0.0, 1.0));
  }

  void process() {
    dst(0) = dot(float2(src(0), src(1)), dir);
    dst(1) = 0.0;
    dst(2) = 0.0;
  }
};