public void GatherHeightmap()
{
var blitMaterial = TerrainPaintUtility.GetHeightBlitMaterial();
blitMaterial.SetFloat("_Height_Offset", 0.0f);
blitMaterial.SetFloat("_Height_Scale", 1.0f);
GatherInternal(
t => t.terrain.terrainData.heightmapTexture,
new Color(0.0f, 0.0f, 0.0f, 0.0f),
"PaintContext.GatherHeightmap",
blitMaterial: blitMaterial,
beforeBlit: t =>
{
blitMaterial.SetFloat("_Height_Offset", (t.terrain.GetPosition().y - heightWorldSpaceMin) / heightWorldSpaceSize * kNormalizedHeightScale);
blitMaterial.SetFloat("_Height_Scale", t.terrain.terrainData.size.y / heightWorldSpaceSize);
});
}
public void ScatterHeightmap(string editorUndoName)
{
var blitMaterial = TerrainPaintUtility.GetHeightBlitMaterial();
blitMaterial.SetFloat("_Height_Offset", 0.0f);
blitMaterial.SetFloat("_Height_Scale", 1.0f);
ScatterInternal(
t => t.terrain.terrainData.heightmapTexture,
"PaintContext.ScatterHeightmap",
blitMaterial: blitMaterial,
beforeBlit: t =>
{
onTerrainTileBeforePaint?.Invoke(t, ToolAction.PaintHeightmap, editorUndoName);
blitMaterial.SetFloat("_Height_Offset", (heightWorldSpaceMin - t.terrain.GetPosition().y) / t.terrain.terrainData.size.y * kNormalizedHeightScale);
blitMaterial.SetFloat("_Height_Scale", heightWorldSpaceSize / t.terrain.terrainData.size.y);
},
afterBlit: t =>
{
t.terrain.terrainData.DirtyHeightmapRegion(t.clippedTerrainPixels, t.terrain.drawInstanced ? TerrainHeightmapSyncControl.None : TerrainHeightmapSyncControl.HeightOnly);
OnTerrainPainted(t, ToolAction.PaintHeightmap);
});
}