private static void DrawGizmoVolume(DecalVolume decal, GizmoType gizmoType)
{
if (gizmoType != (GizmoType.Selected | GizmoType.InSelectionHierarchy | GizmoType.Active))
{
return;
}
//
// Uncomment this for debug affected bounds of volume.
//
//Gizmos.color = Color.red;
//Bounds bounds = decal.GetBounds();
//Gizmos.DrawWireCube(bounds.center, bounds.size);
Vector3 pos = decal.transform.position;
Gizmos.matrix = Matrix4x4.TRS(pos, decal.transform.rotation, Vector3.one);
var color = DecalVolume.EditorColor;
color.a = 0.25f;
Gizmos.color = color;
Gizmos.DrawCube(decal.Origin, decal.Size);
}
public static Mesh Create(DecalVolume decal, float surfaceMaxAngle, float surfaceDistance, float smoothAngle)
{
var pols = new List <Polygon>();
var transform = decal.transform;
var bounds = decal.GetBounds();
GameObject[] affectedList = decal.GetGameObjectsInBounds(decal.Layer);
Terrain[] terrains = Terrain.activeTerrains;
for (int i = 0, count = terrains.Length; i < count; i++)
{
if ((1 << terrains[i].gameObject.layer & decal.Layer) == 0)
{
continue;
}
Vector3 terrainPos = terrains[i].GetPosition();
Vector3 terrainSize = terrains[i].terrainData.size;
var terrainBounds = new Bounds(terrainPos + terrainSize * 0.5f, terrainSize);
if (bounds.Intersects(terrainBounds) == false)
{
continue;
}
pols.AddRange(CreateFromTerrain(terrains[i], terrainPos, terrainSize, bounds, decal, surfaceMaxAngle));
}
pols.AddRange(CreateFromObjects(affectedList, decal, surfaceMaxAngle));
Mesh mesh = CreateMesh(pols, true);
var verts = mesh.vertices;
for (int i = 0, count = verts.Length; i < count; i++)
{
verts[i] = transform.InverseTransformPoint(verts[i]);
}
mesh.vertices = verts;
mesh.vertices = PushMesh(mesh, surfaceDistance);
mesh.uv = CreateUVs(mesh.vertices, decal.Volume, decal.Sprite);
mesh.name = "Decal Mesh";
mesh.RecalculateBounds();
mesh.RecalculateNormals();
return(mesh);
}