ViewVC Help
View File | Revision Log | Show Annotations | Download File | Root Listing
root/radiance/ray/src/rt/rayinit.cal
(Generate patch)

Comparing ray/src/rt/rayinit.cal (file contents):
Revision 2.15 by greg, Mon Mar 25 16:10:00 2013 UTC vs.
Revision 2.16 by greg, Tue Oct 8 18:59:44 2013 UTC

# Line 51 | Line 51
51  
52          rand(x)                         - pseudo-random function (0 to 1)
53  
54 –        hermite(p0,p1,r0,r1,t)          - 1-dimensional hermite polynomial
55 –
54          noise3(x,y,z), noise3x(x,y,z),
55          noise3y(x,y,z), noise3z(x,y,z)  - noise function with gradient (-1 to 1)
56  
# Line 122 | Line 120 | cross(i,v1,v2) : select(i,     v1(2)*v2(3) - v1(3)*v2(2),
120  
121   fade(near_val,far_val,dist) : far_val +
122                  if (16-dist, (near_val-far_val)/(1+dist*dist), 0);
123 +
124 + hermite(p0,p1,r0,r1,t) :        p0 * ((2*t-3)*t*t+1) +
125 +                                p1 * (-2*t+3)*t*t +
126 +                                r0 * (((t-2)*t+1)*t) +
127 +                                r1 * ((t-1)*t*t);
128  
129   bezier(p1, p2, p3, p4, t) :     p1 * (1+t*(-3+t*(3-t))) +
130                                  p2 * 3*t*(1+t*(-2+t)) +

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines