private void DrawTerrainMeshPreview(GStylizedTerrain t, Camera cam)
{
Material mat = t.TerrainData.Shading.MaterialToRender;
if (mat == null)
{
return;
}
GTerrainChunk[] chunks = t.GetChunks();
instance.GetQuad(worldPoints);
for (int i = 0; i < normalizedPoints.Length; ++i)
{
normalizedPoints[i] = t.WorldPointToUV(worldPoints[i]);
}
Rect dirtyRect = GUtilities.GetRectContainsPoints(normalizedPoints);
for (int i = 0; i < chunks.Length; ++i)
{
Rect uvRange = chunks[i].GetUvRange();
if (uvRange.Overlaps(dirtyRect))
{
Vector3Int key = GTerrainChunk.GetChunkMeshKey(chunks[i].Index, 0);
Mesh chunkMesh = t.TerrainData.GeometryData.GetMesh(key);
if (chunkMesh != null)
{
Graphics.DrawMesh(
chunkMesh,
chunks[i].transform.localToWorldMatrix,
mat,
chunks[i].gameObject.layer,
cam,
0,
previewPropertyBlock,
t.TerrainData.Rendering.CastShadow,
t.TerrainData.Rendering.ReceiveShadow);
}
}
}
}
private void DrawTerrainMeshPreview(GStylizedTerrain t, Camera cam)
{
Material mat = t.TerrainData.Shading.MaterialToRender;
if (mat == null)
{
return;
}
GTerrainChunk[] chunks = t.GetChunks();
List <Rect> dirtyRects = new List <Rect>(instance.SplineCreator.SweepDirtyRect(t));
int chunkGridSize = t.TerrainData.Geometry.ChunkGridSize;
for (int i = 0; i < chunks.Length; ++i)
{
Rect uvRange = chunks[i].GetUvRange();
for (int r = 0; r < dirtyRects.Count; ++r)
{
if (uvRange.Overlaps(dirtyRects[r]))
{
Vector3Int key = GTerrainChunk.GetChunkMeshKey(chunks[i].Index, 0);
Mesh chunkMesh = t.TerrainData.GeometryData.GetMesh(key);
if (chunkMesh != null)
{
Graphics.DrawMesh(
chunkMesh,
chunks[i].transform.localToWorldMatrix,
mat,
chunks[i].gameObject.layer,
cam,
0,
previewPropertyBlock,
t.TerrainData.Rendering.CastShadow,
t.TerrainData.Rendering.ReceiveShadow);
}
break;
}
}
}
}
