| 2 | #include "SimplexIslands.hpp" |
| 3 | |
| 4 | SimplexIslands::SimplexIslands() { |
| 5 | |
| 6 | grad3 = { |
| 7 | {1,1,0},{-1,1,0},{1,-1,0},{-1,-1,0}, |
| 8 | {1,0,1},{-1,0,1},{1,0,-1},{-1,0,-1}, |
| 9 | {0,1,1},{0,-1,1},{0,1,-1},{0,-1,-1} |
| 10 | }; |
| 11 | |
| 12 | grad4 = { |
| 13 | {0,1,1,1},{0,1,1,-1},{0,1,-1,1},{0,1,-1,-1}, |
| 14 | {0,-1,1,1},{0,-1,1,-1},{0,-1,-1,1},{0,-1,-1,-1}, |
| 15 | {1,0,1,1},{1,0,1,-1},{1,0,-1,1},{1,0,-1,-1}, |
| 16 | {-1,0,1,1},{-1,0,1,-1},{-1,0,-1,1},{-1,0,-1,-1}, |
| 17 | {1,1,0,1},{1,1,0,-1},{1,-1,0,1},{1,-1,0,-1}, |
| 18 | {-1,1,0,1},{-1,1,0,-1},{-1,-1,0,1},{-1,-1,0,-1}, |
| 19 | {1,1,1,0},{1,1,-1,0},{1,-1,1,0},{1,-1,-1,0}, |
| 20 | {-1,1,1,0},{-1,1,-1,0},{-1,-1,1,0},{-1,-1,-1,0} }; |
| 21 | |
| 22 | for (int i = 0; i < 512; i++) |
| 23 | { |
| 24 | perm[i] = p[i & 255]; |
| 25 | permMod12[i] = (short)(perm[i] % 12); |
| 26 | } |
| 27 | |
| 28 | // Skewing and unskewing factors for 2, 3, and 4 dimensions |
| 29 | F2 = 0.5*(sqrt(3.0) - 1.0); |
| 30 | G2 = (3.0 - sqrt(3.0)) / 6.0; |
| 31 | F3 = 1.0 / 3.0; |
| 32 | G3 = 1.0 / 6.0; |
| 33 | F4 = (sqrt(5.0) - 1.0) / 4.0; |
| 34 | G4 = (5.0 - sqrt(5.0)) / 20.0; |
| 35 | |
| 36 | |
| 37 | } |
| 38 | |
| 39 | short SimplexIslands::pbak[] = { 151,160,137,91,90,15, |
| 40 | 131,13,201,95,96,53,194,233,7,225,140,36,103,30,69,142,8,99,37,240,21,10,23, |
nothing calls this directly
no outgoing calls
no test coverage detected