| 9 |
|
Nx, Ny, Nz - surface normal |
| 10 |
|
Px, Py, Pz - intersection point |
| 11 |
|
T - distance from start |
| 12 |
+ |
Ts - single ray (shadow) distance |
| 13 |
|
Rdot - ray dot product |
| 14 |
|
S - world scale |
| 15 |
|
Tx, Ty, Tz - world origin |
| 96 |
|
red(r,g,b) = if(r,r,0); |
| 97 |
|
green(r,g,b) = if(g,g,0); |
| 98 |
|
blue(r,g,b) = if(b,b,0); |
| 99 |
< |
grey(r,g,b) = .3*r + .59*g + .11*b; |
| 99 |
> |
grey(r,g,b) = noneg(.263*r + .655*g + .082*b); |
| 100 |
|
clip_r(r,g,b) = bound(0,r,1); |
| 101 |
|
clip_g(r,g,b) = bound(0,g,1); |
| 102 |
|
clip_b(r,g,b) = bound(0,b,1); |
| 103 |
< |
clipgrey(r,g,b) = bound(0,grey(r,g,b),1); |
| 103 |
> |
clipgrey(r,g,b) = min(grey(r,g,b),1); |
| 104 |
|
|
| 105 |
|
dot(v1,v2) : v1(1)*v2(1) + v1(2)*v2(2) + v1(3)*v2(3); |
| 106 |
|
cross(i,v1,v2) : select(i, v1(2)*v2(3) - v1(3)*v2(2), |
