summaryrefslogtreecommitdiffstats
path: root/source/cNoise.cpp
diff options
context:
space:
mode:
authormadmaxoft@gmail.com <madmaxoft@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6>2012-02-22 18:04:04 +0100
committermadmaxoft@gmail.com <madmaxoft@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6>2012-02-22 18:04:04 +0100
commit1cb756cbf2611693ec21eec9fd98e4367bb7d918 (patch)
treeaee6ec88277f768365d02727a61e4cd925584ba3 /source/cNoise.cpp
parentWorldGenerator: fixed small foliage - cacti now generate only at beaches, not underwater. (diff)
downloadcuberite-1cb756cbf2611693ec21eec9fd98e4367bb7d918.tar
cuberite-1cb756cbf2611693ec21eec9fd98e4367bb7d918.tar.gz
cuberite-1cb756cbf2611693ec21eec9fd98e4367bb7d918.tar.bz2
cuberite-1cb756cbf2611693ec21eec9fd98e4367bb7d918.tar.lz
cuberite-1cb756cbf2611693ec21eec9fd98e4367bb7d918.tar.xz
cuberite-1cb756cbf2611693ec21eec9fd98e4367bb7d918.tar.zst
cuberite-1cb756cbf2611693ec21eec9fd98e4367bb7d918.zip
Diffstat (limited to '')
-rw-r--r--source/cNoise.cpp21
1 files changed, 14 insertions, 7 deletions
diff --git a/source/cNoise.cpp b/source/cNoise.cpp
index 4221d9218..653b9e95c 100644
--- a/source/cNoise.cpp
+++ b/source/cNoise.cpp
@@ -129,18 +129,21 @@ float cNoise::CosineNoise2D( float a_X, float a_Y ) const
return CosineInterpolate( interp1, interp2, FracY );
}
+
+
+
+
float cNoise::CubicNoise2D( float a_X, float a_Y ) const
{
const int BaseX = FAST_FLOOR( a_X );
const int BaseY = FAST_FLOOR( a_Y );
- const float points[4][4] = {
-
- IntNoise2D( BaseX-1, BaseY-1 ), IntNoise2D( BaseX, BaseY-1 ), IntNoise2D( BaseX+1, BaseY-1 ), IntNoise2D( BaseX+2, BaseY-1 ),
- IntNoise2D( BaseX-1, BaseY ), IntNoise2D( BaseX, BaseY ), IntNoise2D( BaseX+1, BaseY ), IntNoise2D( BaseX+2, BaseY ),
- IntNoise2D( BaseX-1, BaseY+1 ), IntNoise2D( BaseX, BaseY+1 ), IntNoise2D( BaseX+1, BaseY+1 ), IntNoise2D( BaseX+2, BaseY+1 ),
- IntNoise2D( BaseX-1, BaseY+2 ), IntNoise2D( BaseX, BaseY+2 ), IntNoise2D( BaseX+1, BaseY+2 ), IntNoise2D( BaseX+2, BaseY+2 ),
-
+ const float points[4][4] =
+ {
+ IntNoise2D( BaseX-1, BaseY-1 ), IntNoise2D( BaseX, BaseY-1 ), IntNoise2D( BaseX+1, BaseY-1 ), IntNoise2D( BaseX+2, BaseY-1 ),
+ IntNoise2D( BaseX-1, BaseY ), IntNoise2D( BaseX, BaseY ), IntNoise2D( BaseX+1, BaseY ), IntNoise2D( BaseX+2, BaseY ),
+ IntNoise2D( BaseX-1, BaseY+1 ), IntNoise2D( BaseX, BaseY+1 ), IntNoise2D( BaseX+1, BaseY+1 ), IntNoise2D( BaseX+2, BaseY+1 ),
+ IntNoise2D( BaseX-1, BaseY+2 ), IntNoise2D( BaseX, BaseY+2 ), IntNoise2D( BaseX+1, BaseY+2 ), IntNoise2D( BaseX+2, BaseY+2 ),
};
const float FracX = (a_X) - BaseX;
@@ -154,6 +157,10 @@ float cNoise::CubicNoise2D( float a_X, float a_Y ) const
return CubicInterpolate( interp1, interp2, interp3, interp4, FracY );
}
+
+
+
+
#if NOISE_USE_SSE
float cNoise::SSE_CubicNoise2D( float a_X, float a_Y ) const
{