END OF AN ERA, FRACTALFORUMS.COM IS CONTINUED ON FRACTALFORUMS.ORG

length = sqrt(x² + y² + z²)

//spherical folding
if(length < minRadius)
{
    x = x * fixedRadius² / minRadius²
    y = y * fixedRadius² / minRadius²
    z = z * fixedRadius² / minRadius²
}
elseif(length < fixedRadius)
{
    x = x * fixedRadius² / length²
    y = y * fixedRadius² / length²
    z = z * fixedRadius² / length²
}

length = sqrt(x² + y² + z²)

//spherical folding
x += xOffset
y += yOffset
z += zOffset
if(length < minRadius)
{
    x = x * fixedRadius² / minRadius²
    y = y * fixedRadius² / minRadius²
    z = z * fixedRadius² / minRadius²
}
elseif(length < fixedRadius)
{
    x = x * fixedRadius² / length²
    y = y * fixedRadius² / length²
    z = z * fixedRadius² / length²
}
x -= xOffset
y -= yOffset
z -= zOffset

a = 2.0 * b * c

temp = b * c
a = temp + temp

return rand() % (max - 1)

return (rand() * (max - 1)) >> 16

static unsigned buddhi_rand_seed = 4632784;  // you can initialize this any way you like
inline unsigned buddhi_rand()
{
    buddhi_rand_seed = buddhi_rand_seed * 1103515245 + 12345;  // This is the exact formula used in gcc's rand()
    return buddhi_rand_seed & 0x7fffffff;  // gcc's rand returns bits 0 to 30; that's the reason for the mask
    // If you use either of the following instead you can use multiply-shift instead of the % operator
    // return (buddhi_rand_seed & 0x7fffffff) >> 15;
    // return buddhi_rand_seed & 0xffff;
}

			case menger_sponge:
			{
				double temp;
				z.x = fabs(z.x);
				z.y = fabs(z.y);
				z.z = fabs(z.z);
				if (z.x - z.y < 0)
				{
					temp = z.y;
					z.y = z.x;
					z.x = temp;
				}
				if (z.x - z.z < 0)
				{
					temp = z.z;
					z.z = z.x;
					z.x = temp;
				}
				if (z.y - z.z < 0)
				{
					temp = z.z;
					z.z = z.y;
					z.y = temp;
				}

				if (Mode == colouring)
				{
					double length2 = z.Length();
					if (length2 < min) min = length2;
				}

				z *= 3.0;

				z.x -= 2.0;
				z.y -= 2.0;
				if (z.z > 1.0) z.z -= 2.0;
				r = z.Length();
				tgladDE *= 3.0;
				break;