gistfile1.txt

  5 unsigned char
  6 intersect(
  7                 __const float4 origin,
  8                 float4 dir,
  9                 shape shape)
 10 {
 11         float4 trans_origin = origin - shape.sphere.origin;
 12         //float a = 0;
 13         float a = dot(dir, dir);
 14         //float b = 0;
 15         float b = 2 * dot(dir, dir);
 16         float c = 0;
 17         //float c = dot(trans_origin, trans_origin) - dot(shape.sphere.radius, shape.sphere.radius);