Perlin noise: Difference between revisions

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 {{trans|Java}}
-<syntaxhighlight lang="python">def perlin_noise(x, y, z):
+<syntaxhighlight lang="python">import math
-    X = int(x) & 255                  # FIND UNIT CUBE THAT
+def perlin_noise(x, y, z):
-    Y = int(y) & 255                  # CONTAINS POINT.
-    Z = int(z) & 255
+    X = math.floor(x) & 255                  # FIND UNIT CUBE THAT
-    x -= int(x)                                # FIND RELATIVE X,Y,Z
+    Y = math.floor(y) & 255                  # CONTAINS POINT.
+    Z = math.floor(z) & 255
-    y -= int(y)                                # OF POINT IN CUBE.
+    x -= math.floor(x)                                # FIND RELATIVE X,Y,Z
-    z -= int(z)
+    y -= math.floor(y)                                # OF POINT IN CUBE.
+    z -= math.floor(z)
     u = fade(x)                                # COMPUTE FADE CURVES
     v = fade(y)                                # FOR EACH OF X,Y,Z.