double noise(double x,double y)
{
double floorx=(double)((int)x);//This is a cheap way to floor a double integer.
double floory=(double)((int)y);
double s,t,u,v;//Integer declaration
s=findnoise2(floorx,floory);
t=findnoise2(floorx+1,floory);
u=findnoise2(floorx,floory+1);//Get the surrounding pixels to calculate the transition.
v=findnoise2(floorx+1,floory+1);
double int1=interpolate(s,t,x-floorx);//Interpolate between the values.
double int2=interpolate(u,v,x-floorx);//Here we use x-floorx, to get 1st dimension.
return interpolate(int1,int2,y-floory);//Here we use y-floory, to get the 2nd dimension.
}
double ProceduralTexture::noise2(double x,double y)
{
double floorx=(double)((int)x);//This is kinda a cheap way to floor a double integer.
double floory=(double)((int)y);
double s,t,u,v;//Integer declaration
s=findnoise2(floorx,floory);
t=findnoise2(floorx+1,floory);
u=findnoise2(floorx,floory+1);//Get the surrounding pixels to calculate the transition.
v=findnoise2(floorx+1,floory+1);
double int1=interpolate1(s,t,x-floorx);//Interpolate between the values.
double int2=interpolate1(u,v,x-floorx);//Here we use x-floorx, to get 1st dimension. Don't mind the x-floorx thingie, it's part of the cosine formula.
return interpolate1(int1,int2,y-floory);//Here we use y-floory, to get the 2nd dimension.
}
