Perlin 2,3,4 optimisations + Simplex imp fixed + improved architecture

2012-06-05 22:00:09 +02:00
parent 4d975fa67e
commit 5d7f8acbc8
14 changed files with 307 additions and 317 deletions
--- a/include/Nazara/Noise/Perlin4D.inl
+++ b/include/Nazara/Noise/Perlin4D.inl
@@ -34,10 +34,10 @@ T NzPerlin4D<T>::GetValue(T x, T y, T z, T w, T res)
    nz = z/res;
    nw = w/res;

-    x0 = static_cast<int>(nx);
-    y0 = static_cast<int>(ny);
-    z0 = static_cast<int>(nz);
-    w0 = static_cast<int>(nw);
+    x0 = fastfloor(nx);
+    y0 = fastfloor(ny);
+    z0 = fastfloor(nz);
+    w0 = fastfloor(nw);

    ii = x0 & 255;
    jj = y0 & 255;