//2 versions for fast adding spheres
public void AppendSphereWalkable(Vector3 spherePos, float sphereRadius, byte area)
{
float voxelSize = template.voxelSize;
float voxelSizeHalf = voxelSize * 0.5f;
float sphereRadiusSqr = sphereRadius * sphereRadius;
float maxSlopeY = Mathf.Sin(template.maxSlope * Mathf.PI / 180) * sphereRadius;
Vector3 chunkReal = template.realOffsetedPosition;
Vector3 sphereLocal = spherePos - chunkReal;
float sphereY = spherePos.y;
float sphereLocalX = sphereLocal.x;
float sphereLocalZ = sphereLocal.z;
int xMin = Mathf.Clamp((int)((sphereLocalX - sphereRadius) / voxelSize), 0, template.lengthX_extra);
int xMax = Mathf.Clamp((int)((sphereLocalX + sphereRadius) / voxelSize) + 1, 0, template.lengthX_extra);
int zMin = Mathf.Clamp((int)((sphereLocalZ - sphereRadius) / voxelSize), 0, template.lengthZ_extra);
int zMax = Mathf.Clamp((int)((sphereLocalZ + sphereRadius) / voxelSize) + 1, 0, template.lengthZ_extra);
for (int x = xMin; x < xMax; x++)
{
for (int z = zMin; z < zMax; z++)
{
float distSqr = SomeMath.SqrMagnitude(
sphereLocalX - (x * voxelSize) - voxelSizeHalf,
sphereLocalZ - (z * voxelSize) - voxelSizeHalf);
if (distSqr < sphereRadiusSqr)
{
float height = Mathf.Sqrt(sphereRadiusSqr - distSqr);
sbyte pass = height >= maxSlopeY ? (sbyte)Passability.Walkable : (sbyte)Passability.Slope;
SetVoxel(x, z, sphereY - height, sphereY + height, pass, area);
}
}
}
int centerX = (int)(sphereLocalX / voxelSize);
int centerZ = (int)(sphereLocalZ / voxelSize);
if (SomeMath.InRangeArrayLike(centerX, 0, template.lengthX_extra) &&
SomeMath.InRangeArrayLike(centerZ, 0, template.lengthZ_extra))
{
SetVoxel(centerX, centerX, sphereY - sphereRadius, sphereY + sphereRadius, (sbyte)Passability.Walkable, area);
}
}
//general purpose for internal usage
private void AppendSpherePrivate(DataCompact[] compactData, Vector3 spherePos, float sphereRadius, float heightDelta, bool appentPassive, bool isWalkable)
{
float voxelSize = template.voxelSize;
float voxelSizeHalf = voxelSize * 0.5f;
float sphereRadiusSqr = sphereRadius * sphereRadius;
float maxSlopeY = Mathf.Sin(template.maxSlope * Mathf.PI / 180) * sphereRadius;
Vector3 chunkReal = template.realOffsetedPosition;
Vector3 sphereLocal = spherePos - chunkReal;
float sphereY = spherePos.y;
float sphereLocalX = sphereLocal.x;
float sphereLocalZ = sphereLocal.z;
int xMin = Mathf.Clamp((int)((sphereLocalX - sphereRadius) / voxelSize), 0, template.lengthX_extra);
int xMax = Mathf.Clamp((int)((sphereLocalX + sphereRadius) / voxelSize) + 1, 0, template.lengthX_extra);
int zMin = Mathf.Clamp((int)((sphereLocalZ - sphereRadius) / voxelSize), 0, template.lengthZ_extra);
int zMax = Mathf.Clamp((int)((sphereLocalZ + sphereRadius) / voxelSize) + 1, 0, template.lengthZ_extra);
if (appentPassive)
{
if (isWalkable)
{
for (int x = xMin; x < xMax; x++)
{
for (int z = zMin; z < zMax; z++)
{
float distSqr = SomeMath.SqrMagnitude(
sphereLocalX - (x * voxelSize) - voxelSizeHalf,
sphereLocalZ - (z * voxelSize) - voxelSizeHalf);
if (distSqr < sphereRadiusSqr)
{
float height = Mathf.Sqrt(sphereRadiusSqr - distSqr);
sbyte pass = height >= maxSlopeY ? (sbyte)Passability.Walkable : (sbyte)Passability.Slope;
compactData[GetIndex(x, z)].UpdatePassive(sphereY - height - heightDelta, sphereY + height + heightDelta, pass);
}
}
}
}
else
{
for (int x = xMin; x < xMax; x++)
{
for (int z = zMin; z < zMax; z++)
{
float distSqr = SomeMath.SqrMagnitude(
sphereLocalX - (x * voxelSize) - voxelSizeHalf,
sphereLocalZ - (z * voxelSize) - voxelSizeHalf);
if (distSqr < sphereRadiusSqr)
{
float height = Mathf.Sqrt(sphereRadiusSqr - distSqr);
compactData[GetIndex(x, z)].UpdatePassive(sphereY - height - heightDelta, sphereY + height + heightDelta, (sbyte)Passability.Unwalkable);
}
}
}
}
int centerX = (int)(sphereLocalX / voxelSize);
int centerZ = (int)(sphereLocalZ / voxelSize);
if (SomeMath.InRangeArrayLike(centerX, 0, template.lengthX_extra) &&
SomeMath.InRangeArrayLike(centerZ, 0, template.lengthZ_extra))
{
compactData[GetIndex(
(int)(sphereLocalX / voxelSize),
(int)(sphereLocalZ / voxelSize))].UpdatePassive(
sphereY - sphereRadius - heightDelta,
sphereY + sphereRadius + heightDelta,
isWalkable ? (sbyte)Passability.Walkable : (sbyte)Passability.Unwalkable);
}
}
else
{
if (isWalkable)
{
for (int x = xMin; x < xMax; x++)
{
for (int z = zMin; z < zMax; z++)
{
float distSqr = SomeMath.SqrMagnitude(
sphereLocalX - (x * voxelSize) - voxelSizeHalf,
sphereLocalZ - (z * voxelSize) - voxelSizeHalf);
if (distSqr < sphereRadiusSqr)
{
float height = Mathf.Sqrt(sphereRadiusSqr - distSqr);
sbyte pass = height >= maxSlopeY ? (sbyte)Passability.Walkable : (sbyte)Passability.Slope;
compactData[GetIndex(x, z)].Update(sphereY - height - heightDelta, sphereY + height + heightDelta, pass);
}
}
}
}
else
{
for (int x = xMin; x < xMax; x++)
{
for (int z = zMin; z < zMax; z++)
{
float distSqr = SomeMath.SqrMagnitude(
sphereLocalX - (x * voxelSize) - voxelSizeHalf,
sphereLocalZ - (z * voxelSize) - voxelSizeHalf);
if (distSqr < sphereRadiusSqr)
{
float height = Mathf.Sqrt(sphereRadiusSqr - distSqr);
compactData[GetIndex(x, z)].Update(sphereY - height - heightDelta, sphereY + height + heightDelta, (sbyte)Passability.Unwalkable);
}
}
}
}
int centerX = (int)(sphereLocalX / voxelSize);
int centerZ = (int)(sphereLocalZ / voxelSize);
if (SomeMath.InRangeArrayLike(centerX, 0, template.lengthX_extra) &&
SomeMath.InRangeArrayLike(centerZ, 0, template.lengthZ_extra))
{
compactData[GetIndex(
(int)(sphereLocalX / voxelSize),
(int)(sphereLocalZ / voxelSize))].Update(
sphereY - sphereRadius - heightDelta,
sphereY + sphereRadius + heightDelta,
isWalkable ? (sbyte)Passability.Walkable : (sbyte)Passability.Unwalkable);
}
}
}