Example: Fun

• Swirl (src, dst, theta):

  
  

for (int x = 0; x < xmax; x++) {

for (int y = 0; y < ymax; y++) {

float u = rot(dist(x,xcenter)*theta);

float v = rot(dist(y,ycenter)*theta);

dst(x,y) = resample_src(u,v,w);

}

}

Swirl

45

y

x

v

u

(u,v)

f

(x,y)

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