/// <summary>
/// Create a relatively flat ground.
/// </summary>
/// <param name="rand"></param>
private void GeneratePlainLevel(ref Random rand, float heightOffset = 0.2f)
{
ValueNoise noise = new ValueNoise(ref rand, 3, 8);
// Fill half to test
Int32 maxHeight = Math.Min(8, SizeY - 1);
Parallel.For(0, SizeZ, (z) => {
for (int x = 0; x < SizeX; ++x)
{
float radialHeight = 0.02f * (float)Math.Sqrt((x - SizeX / 2) * (x - SizeX / 2) + (z - SizeZ / 2) * (z - SizeZ / 2));
int height = (int)(maxHeight * (noise.Get(x, z) - radialHeight + heightOffset));
for (int y = 0; y < height; ++y)
{
Set(EncodePosition(x, y, z), VoxelType.GROUND, false);
}
}
});
}
private void GenerateCanoynsLevel(ref Random rand, float heightOffset)
{
ValueNoise noise = new ValueNoise(ref rand, 3, 8);
int sizeYscaled = SizeY / 3;
// Fill half to test
Parallel.For(0, SizeZ, (z) => {
for (int x = 0; x < SizeX; ++x)
{
Set(EncodePosition(x, 0, z), VoxelType.ROCK, false);
for (int d = 1; d < sizeYscaled; ++d)
{
float value = noise.Get(x / 2, z / 2, d / 5) - 0.5f;
if (value > 0)
{
Set(EncodePosition(x, d, z), VoxelType.ROCK, false);
}
}
for (int d = sizeYscaled; d < sizeYscaled + 5; ++d)
{
float value = noise.Get(x / 2, z / 2, d / 5) - 0.6f;
if (value > 0)
{
Set(EncodePosition(x, d, z), VoxelType.ROCK, false);
}
}
// Ground on top
for (int d = SizeY - 1; d >= 0; --d)
{
Int32 pos = EncodePosition(x, d, z);
if (_voxels[pos] != 0)
{
Set(pos, VoxelType.GROUND, false);
break;
}
}
}
});
}
private void GenerateMountainsLevel(ref Random rand, float heightOffset)
{
ValueNoise noise = new ValueNoise(ref rand, 3, 8);
int sizeYscaled = SizeY / 3;
// Fill half to test
Parallel.For(0, SizeZ, (z) => {
for (int x = 0; x < SizeX; ++x)
{
for (int d = 0; d < SizeY; ++d)
{
float radialHeight = Math.Max(0.0f, (float)Math.Sqrt((x - SizeX / 2) * (x - SizeX / 2) + (z - SizeZ / 2) * (z - SizeZ / 2)) - SizeX * 3 / 8) * 2.0f;
float value = (noise.Get(x, z, d) * 3 - heightOffset + noise.Get(x / 2, z / 2)) * sizeYscaled - d;
value -= radialHeight;
if (value > 0)
{
Set(EncodePosition(x, d, z), VoxelType.GROUND, false);
}
}
}
});
Rockyfy();
}
private void GenerateBubbleLevel(ref Random rand, float heightOffset)
{
ValueNoise noise = new ValueNoise(ref rand, 3, 8);
int sizeYscaled = SizeY / 3;
// Fill half to test
Parallel.For(0, SizeZ, (z) => {
for (int x = 0; x < SizeX; ++x)
{
for (int d = 0; d < SizeY; ++d)
{
float radialHeight = 8.0f / SizeX * (float)Math.Sqrt((x - SizeX / 2) * (x - SizeX / 2) + (z - SizeZ / 2) * (z - SizeZ / 2));
float value = SizeY * (noise.Get(x, z, d) - noise.Get(x, z)) / radialHeight - heightOffset - radialHeight - Math.Max(0, d - sizeYscaled) * 2;
// for (int y = 0; y < height; ++y)
if (value > 0)
{
Set(EncodePosition(x, d, z), VoxelType.GROUND, false);
}
}
}
});
Rockyfy();
}
/// <summary>
/// Create a relatively flat ground.
/// </summary>
/// <param name="rand"></param>
private void GeneratePlainLevel(ref Random rand, float heightOffset = 0.2f)
{
ValueNoise noise = new ValueNoise(ref rand, 3, 8);
// Fill half to test
Int32 maxHeight = Math.Min( 8, SizeY-1 );
Parallel.For( 0, SizeZ, (z) => {
for (int x = 0; x < SizeX; ++x)
{
float radialHeight = 0.02f * (float)Math.Sqrt((x - SizeX / 2) * (x - SizeX / 2) + (z - SizeZ / 2) * (z - SizeZ / 2));
int height = (int)(maxHeight * (noise.Get(x, z) - radialHeight + heightOffset));
for (int y = 0; y < height; ++y)
Set(EncodePosition(x, y, z), VoxelType.GROUND, false);
}
});
}
private void GenerateMountainsLevel(ref Random rand, float heightOffset)
{
ValueNoise noise = new ValueNoise(ref rand, 3, 8);
int sizeYscaled = SizeY / 3;
// Fill half to test
Parallel.For( 0, SizeZ, (z) => {
for (int x = 0; x < SizeX; ++x)
for (int d = 0; d < SizeY; ++d)
{
float radialHeight = Math.Max(0.0f, (float)Math.Sqrt((x - SizeX / 2) * (x - SizeX / 2) + (z - SizeZ / 2) * (z - SizeZ / 2)) - SizeX * 3 / 8) * 2.0f;
float value = (noise.Get(x, z, d) * 3 - heightOffset + noise.Get(x / 2, z / 2)) * sizeYscaled - d;
value -= radialHeight;
if (value > 0)
Set(EncodePosition(x, d, z), VoxelType.GROUND, false);
}
});
Rockyfy();
}
private void GenerateCanoynsLevel(ref Random rand, float heightOffset)
{
ValueNoise noise = new ValueNoise(ref rand, 3, 8);
int sizeYscaled = SizeY / 3;
// Fill half to test
Parallel.For( 0, SizeZ, (z) => {
for (int x = 0; x < SizeX; ++x)
{
Set(EncodePosition(x, 0, z), VoxelType.ROCK, false);
for (int d = 1; d < sizeYscaled; ++d)
{
float value = noise.Get(x / 2, z / 2, d / 5) - 0.5f;
if (value > 0)
Set(EncodePosition(x, d, z), VoxelType.ROCK, false);
}
for (int d = sizeYscaled; d < sizeYscaled+5; ++d)
{
float value = noise.Get(x / 2, z / 2, d / 5) - 0.6f;
if (value > 0)
Set(EncodePosition(x, d, z), VoxelType.ROCK, false);
}
// Ground on top
for (int d = SizeY-1; d >= 0; --d)
{
Int32 pos = EncodePosition(x, d, z);
if( _voxels[pos] != 0 )
{
Set(pos, VoxelType.GROUND, false);
break;
}
}
}
});
}
private void GenerateBubbleLevel(ref Random rand, float heightOffset)
{
ValueNoise noise = new ValueNoise(ref rand, 3, 8);
int sizeYscaled = SizeY / 3;
// Fill half to test
Parallel.For( 0, SizeZ, (z) => {
for (int x = 0; x < SizeX; ++x)
for (int d = 0; d < SizeY; ++d)
{
float radialHeight = 8.0f / SizeX * (float)Math.Sqrt((x - SizeX / 2) * (x - SizeX / 2) + (z - SizeZ / 2) * (z - SizeZ / 2));
float value = SizeY * (noise.Get(x, z, d) - noise.Get(x, z)) / radialHeight - heightOffset - radialHeight - Math.Max(0, d - sizeYscaled)*2;
// for (int y = 0; y < height; ++y)
if (value > 0)
Set(EncodePosition(x, d, z), VoxelType.GROUND, false);
}
});
Rockyfy();
}