public void Regenerate()
{
if (modified == false)
{
CheckForModifications();
}
if (modified == true)
{
if (displacementTexture != null && sourceSurfaceMesh != null)
{
if (generatedSurfaceMesh == null)
{
generatedSurfaceMesh = new SGT_SurfaceMultiMesh();
}
// Destroy old meshes
generatedSurfaceMesh.DestroyAllMeshes();
sourceSurfaceMesh.CopyMeshesInto(generatedSurfaceMesh);
var surfaceCount = generatedSurfaceMesh.Count;
for (var i = 0; i < surfaceCount; i++)
{
var multiMesh = generatedSurfaceMesh.GetMultiMesh(i);
if (multiMesh != null)
{
for (var j = 0; j < multiMesh.Count; j++)
{
var mesh = multiMesh.GetSharedMesh(j);
if (mesh != null)
{
mesh = SGT_Helper.CloneObject(mesh);
mesh.hideFlags = HideFlags.DontSave;
var positions = mesh.vertices;
var uv0s = mesh.uv;
var newPositions = new Vector3[positions.Length];
var displacementUV = Vector2.zero;
for (var k = 0; k < positions.Length; k++)
{
var texture = (Texture2D)null;
var position = positions[k];
switch (displacementTexture.Configuration)
{
case SGT_SurfaceConfiguration.Sphere:
{
texture = displacementTexture.GetTexture2D(0);
if (texture != null)
{
displacementUV = useUV == true ? uv0s[k] : SGT_Helper.CartesianToPolarUV(position);
if (clamp == true)
{
displacementUV = SGT_Helper.ClampCollapseV(displacementUV, SGT_Helper.PixelUV(texture));
}
}
}
break;
case SGT_SurfaceConfiguration.Cube:
{
texture = displacementTexture.GetTexture2D(position);
if (texture != null)
{
displacementUV = useUV == true ? uv0s[k] : SGT_Helper.CubeUV(position, true);
if (clamp == true)
{
displacementUV = SGT_Helper.ClampUV(displacementUV, SGT_Helper.PixelUV(texture));
}
}
}
break;
}
var displacement = texture != null?texture.GetPixelBilinear(displacementUV.x, displacementUV.y).r : 0.0f;
newPositions[k] = position * Mathf.Lerp(scaleMin, scaleMax, displacement);
}
mesh.name += "(Displaced)";
mesh.vertices = newPositions;
mesh.bounds = new Bounds(mesh.bounds.center, mesh.bounds.size * scaleMax);
mesh.RecalculateNormals();
multiMesh.SetSharedMesh(mesh, j);
}
}
}
}
MarkAsUnmodified();
SendMessage("SetSurfaceMultiMesh", generatedSurfaceMesh, SendMessageOptions.DontRequireReceiver);
}
}
}
