public void BuildFromLandingSpot(SphericalCoord landingSpot)
{
System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
sw.Start();
terrainChunks = new DynamicTerrainChunk[numCols, numRows];
// Create the center chunk.
Quaternion rotation = CoordHelper.SphericalToRotation(landingSpot);
if (rotTest)
{
rotation *= Quaternion.Euler(0, 0, 45);
}
Vector3 position = new Vector3(
(-WorldUnitsPerChunk / 2f),
0,
(-WorldUnitsPerChunk / 2f)
);
// FIXME: Hardcoded?
terrainChunks[1, 1] = BuildChunk(rotation, position);
BuildChunkArray();
//RebuildChunks();
sw.Stop();
Debug.Log("Terrain generation time: " + (sw.ElapsedMilliseconds / 1000f));
}
/// <summary>
/// Converts a SphericalCoord (Lat/Lon) into a Vector3 that represents
/// the position of the Lat/Lon on this terrain chunk
/// </summary>
/// <param name="sc">Sc.</param>
Vector3 SphericalToLocalPosition(SphericalCoord sc)
{
//Debug.Log( gameObject.name + " -- " + sc.ToString());
Quaternion buildingQat = CoordHelper.SphericalToRotation(sc);
float xAngleDiff = buildingQat.eulerAngles.x - ChunkRotation.eulerAngles.x;
while (xAngleDiff < -360)
{
xAngleDiff += 360;
}
while (xAngleDiff > 360)
{
xAngleDiff -= 360;
}
float yAngleDiff = buildingQat.eulerAngles.y - ChunkRotation.eulerAngles.y;
//Debug.Log( gameObject.name + " -- xAngleDiff: " + xAngleDiff);
//Debug.Log( gameObject.name + " -- yAngleDiff: " + yAngleDiff);
Vector3 distFromCenter = new Vector3(
((yAngleDiff / DegreesPerChunk)) * WorldUnitsPerChunk,
0, // HEIGHT of building
((xAngleDiff / DegreesPerChunk)) * WorldUnitsPerChunk
);
// Rotate the vector based on chunk's rotation
// FIXME: I AM WRONG HERE. MAKE MATH MORE BETTER PLEASE
// Do we need to incorporate longitude? I think we do.
// I think we need to check the different in longitude between the center of the
// terrain chunk and where the building is.
distFromCenter = Quaternion.Euler(0, -ChunkRotation.eulerAngles.z, 0) * distFromCenter;
// Now move the vector's origin to the bottom-left corner and return that
return(distFromCenter + new Vector3(WorldUnitsPerChunk / 2, 0, WorldUnitsPerChunk / 2));
}
public void BuildFromLandingSpot(SphericalCoord landingSpot)
{
terrainChunks = new DynamicTerrainChunk[numCols, numRows];
// Create the center chunk.
Quaternion rotation = CoordHelper.SphericalToRotation(landingSpot);
//rotation *= Quaternion.Euler( 0, 0, 45 );
Vector3 position = new Vector3(
(-WorldUnitsPerChunk / 2f),
0,
(-WorldUnitsPerChunk / 2f)
);
// FIXME: Hardcoded?
terrainChunks[1, 1] = BuildChunk(rotation, position);
BuildChunkArray();
//RebuildChunks();
}
