/// <summary>
/// Event raised by Surface when its being destroyed
/// </summary>
public void SurfaceDestroyed(Surface surface)
{
for (int f = 0; f < foliageTypes.Length; f++)
{
MeshInstanceList toBeRemoved = null;
for (int i = 0; i < foliageTypes[f].meshLists.Count; i++)
{
if (foliageTypes[f].meshLists[i].surface == surface)
{
toBeRemoved = foliageTypes[f].meshLists[i];
break;
}
}
if (toBeRemoved != null)
{
foliageTypes[f].meshLists.Remove(toBeRemoved);
}
}
}
/// <summary>
/// Event raised by the planet when a new surface is generated.
/// If enabled, adds SurfaceObjects component to the Surface and populates it with objects
/// </summary>
public void OnSurfaceGenerated(Surface surface)
{
for(int f = 0; f < foliageTypes.Length; f++) {
if(surface.lodLevel == foliageTypes[f].lodLevel) {
// create new list
MeshInstanceList mil = new MeshInstanceList();
mil.meshInstances = new List<MeshInstance>();
// save surface reference and listen for its destruction
mil.surface = surface;
surface.SurfaceDestroyed += SurfaceDestroyed;
// get mesh
Vector3[] vertices = surface.mesh.vertices;
Vector3[] normals = surface.mesh.normals;
Color[] colors = surface.mesh.colors;
Vector3 right = Vector3.zero; //, perpendicular = Vector3.one, normalized = Vector3.zero;
//float vertexDistance = 0f;
for(int i = 0; i < vertices.Length; i++) {
if(i + 1 < vertices.Length) {
right = vertices[i] - vertices[i+1];
//vertexDistance = right.magnitude;
right.Normalize();
}
if(colors[i].r >= foliageTypes[f].minHeight && colors[i].r <= foliageTypes[f].maxHeight &&
colors[i].g >= foliageTypes[f].minPolarity && colors[i].g <= foliageTypes[f].maxPolarity &&
colors[i].b >= foliageTypes[f].minSlope && colors[i].b <= foliageTypes[f].maxSlope ) {
float terrainValue = terrainModule.module.GetValue(vertices[i].normalized);
if(terrainValue >= foliageTypes[f].minNoiseValue && terrainValue <= foliageTypes[f].maxNoiseValue) {
MeshInstance newInstance = new MeshInstance();
Vector3 vertex = planet.transform.TransformPoint(vertices[i]);
Vector3 normal = planet.transform.TransformDirection(normals[i]);
/*if(foliageTypes[f].positionVariation != Vector3.zero) {
normalized = vertices[i].normalized;
perpendicular = Vector3.Cross(right, normalized);
newInstance.position += right * vertexDistance * Random.Range(-foliageTypes[f].positionVariation.x, foliageTypes[f].positionVariation.x);
newInstance.position += normalized * vertexDistance * Random.Range(-foliageTypes[f].positionVariation.y, foliageTypes[f].positionVariation.y);
newInstance.position += perpendicular * vertexDistance * Random.Range(-foliageTypes[f].positionVariation.z, foliageTypes[f].positionVariation.z);
}*/
Quaternion adjustedRotation;
if(foliageTypes[f].useGroundNormalAsUp)
adjustedRotation = Quaternion.LookRotation(normal);
else
adjustedRotation = Quaternion.LookRotation(vertex.normalized);
adjustedRotation *= Quaternion.Euler(foliageTypes[f].rotation);
adjustedRotation *= Quaternion.Euler(new Vector3(Random.Range(-foliageTypes[f].rotationVariation.x, foliageTypes[f].rotationVariation.x),
Random.Range(-foliageTypes[f].rotationVariation.y, foliageTypes[f].rotationVariation.y),
Random.Range(-foliageTypes[f].rotationVariation.z, foliageTypes[f].rotationVariation.z)));
Vector3 adjustedScale = foliageTypes[f].scale * (1f + foliageTypes[f].scaleVariation * Random.Range(0f, 1f));
newInstance.position = vertex;
newInstance.scale = adjustedScale;
newInstance.matrix = new Matrix4x4();
newInstance.matrix.SetTRS(newInstance.position, adjustedRotation, adjustedScale);
newInstance.mesh = foliageTypes[f].mesh;
newInstance.materials = foliageTypes[f].materials;
newInstance.layer = foliageTypes[f].meshLayer;
newInstance.castShadows = foliageTypes[f].castShadows;
newInstance.receiveShadows = foliageTypes[f].receiveShadows;
mil.meshInstances.Add(newInstance);
}
}
}
// add list to other lists
foliageTypes[f].meshLists.Add(mil);
}
}
}
/// <summary>
/// Event raised by the planet when a new surface is generated.
/// If enabled, adds SurfaceObjects component to the Surface and populates it with objects
/// </summary>
public void OnSurfaceGenerated(Surface surface)
{
for (int f = 0; f < foliageTypes.Length; f++)
{
if (surface.lodLevel == foliageTypes[f].lodLevel)
{
// create new list
MeshInstanceList mil = new MeshInstanceList();
mil.meshInstances = new List <MeshInstance>();
// save surface reference and listen for its destruction
mil.surface = surface;
surface.SurfaceDestroyed += SurfaceDestroyed;
// get mesh
Vector3[] vertices = surface.mesh.vertices;
Vector3[] normals = surface.mesh.normals;
Color[] colors = surface.mesh.colors;
Vector3 right = Vector3.zero, perpendicular = Vector3.one, normalized = Vector3.zero;
float vertexDistance = 0f;
for (int i = 0; i < vertices.Length; i++)
{
if (i + 1 < vertices.Length)
{
right = vertices[i] - vertices[i + 1];
vertexDistance = right.magnitude;
right.Normalize();
}
if (colors[i].r >= foliageTypes[f].minHeight && colors[i].r <= foliageTypes[f].maxHeight &&
colors[i].g >= foliageTypes[f].minPolarity && colors[i].g <= foliageTypes[f].maxPolarity &&
colors[i].b >= foliageTypes[f].minSlope && colors[i].b <= foliageTypes[f].maxSlope)
{
float terrainValue = terrainModule.module.GetValue(vertices[i].normalized);
if (terrainValue >= foliageTypes[f].minNoiseValue && terrainValue <= foliageTypes[f].maxNoiseValue)
{
MeshInstance newInstance = new MeshInstance();
Vector3 vertex = planet.transform.TransformPoint(vertices[i]);
Vector3 normal = planet.transform.TransformDirection(normals[i]);
/*if(foliageTypes[f].positionVariation != Vector3.zero) {
* normalized = vertices[i].normalized;
* perpendicular = Vector3.Cross(right, normalized);
* newInstance.position += right * vertexDistance * Random.Range(-foliageTypes[f].positionVariation.x, foliageTypes[f].positionVariation.x);
* newInstance.position += normalized * vertexDistance * Random.Range(-foliageTypes[f].positionVariation.y, foliageTypes[f].positionVariation.y);
* newInstance.position += perpendicular * vertexDistance * Random.Range(-foliageTypes[f].positionVariation.z, foliageTypes[f].positionVariation.z);
* }*/
Quaternion adjustedRotation;
if (foliageTypes[f].useGroundNormalAsUp)
{
adjustedRotation = Quaternion.LookRotation(normal);
}
else
{
adjustedRotation = Quaternion.LookRotation(vertex.normalized);
}
adjustedRotation *= Quaternion.Euler(foliageTypes[f].rotation);
adjustedRotation *= Quaternion.Euler(new Vector3(Random.Range(-foliageTypes[f].rotationVariation.x, foliageTypes[f].rotationVariation.x),
Random.Range(-foliageTypes[f].rotationVariation.y, foliageTypes[f].rotationVariation.y),
Random.Range(-foliageTypes[f].rotationVariation.z, foliageTypes[f].rotationVariation.z)));
Vector3 adjustedScale = foliageTypes[f].scale * (1f + foliageTypes[f].scaleVariation * Random.Range(0f, 1f));
newInstance.position = vertex;
newInstance.scale = adjustedScale;
newInstance.matrix = new Matrix4x4();
newInstance.matrix.SetTRS(newInstance.position, adjustedRotation, adjustedScale);
newInstance.mesh = foliageTypes[f].mesh;
newInstance.materials = foliageTypes[f].materials;
newInstance.layer = foliageTypes[f].meshLayer;
newInstance.castShadows = foliageTypes[f].castShadows;
newInstance.receiveShadows = foliageTypes[f].receiveShadows;
mil.meshInstances.Add(newInstance);
}
}
}
// add list to other lists
foliageTypes[f].meshLists.Add(mil);
}
}
}
