public void spawnTrees(Fairway fairway)
{
for (int i = 0; i < treeOptions.numberOfTrees; i++)
{
var pos = MathfEx.RandomPointOnTerrain(terrain);
if (fairway.isPointInsideOuterHull(pos))
{
continue;
}
var randPrefab = treeOptions.randomTreePrefab;
Quaternion rot = Quaternion.identity * Quaternion.Euler(0, Random.value * 360, 0);
var obj = GameObject.Instantiate(randPrefab, pos, rot);
obj.transform.localScale = Vector3.one * (1f + Random.Range(-treeOptions.treeScaleVariance, treeOptions.treeScaleVariance));
}
}
public void setMaps(List <Sandtrap> sandtraps, Fairway fairway, Terrain terrain)
{
//Alias for terrain data
TerrainData tdata = terrain.terrainData;
//Get terrain detail size
int terrainDetailSize = tdata.alphamapWidth;
//Not the best way to deal with this, but it is being done before
//the game starts.. so not that bad
//Outside = 0 (rough)
//Inside = 1 (green)
//Inside, last node = 2 (green hole)
//Inside, sandtrap = 3 (sandtrap)
//Array for height map
var heightMap = tdata.GetHeights(0, 0, tdata.heightmapResolution, tdata.heightmapResolution);
//Array for detail maps, get the first layer
var detailLayer = new int[tdata.detailWidth, tdata.detailHeight];
//Get the maps
float[,,] maps = new float[tdata.alphamapWidth, tdata.alphamapHeight, 4];
for (int y = 0; y < terrainDetailSize; y++)
{
//Get normalised y
var normY = (y / (float)terrain.terrainData.alphamapHeight);
for (int x = 0; x < terrainDetailSize; x++)
{
//Get normalised x
var normX = (x / (float)terrain.terrainData.alphamapWidth);
//Calculate world pos
var nx = terrain.transform.position.x + normX * Terrain.activeTerrain.terrainData.size.x;
var ny = terrain.transform.position.z + normY * Terrain.activeTerrain.terrainData.size.z;
var point = new Vector3(nx, 0, ny);
//Running through each (x, y) in the detail map
//..
heightMap[y, x] = sandtraps[0].options.sinkDepth;
//Is it inside a sandtrap?
if (sandtraps.Any(s => s.isPointInside(point)))
{
maps[y, x, 3] = 1.0f;
//Make it a bit lower
heightMap[y, x] -= sandtraps[0].options.sinkDepth;
}
//Is the point inside the hole?
else if (fairway.isPointInsideHole(point))
{
maps[y, x, 2] = 1.0f;
}
//Otherwise, is it inside the fairway?
else if (fairway.isPointInside(point))
{
maps[y, x, 1] = 1.0f;
}
//It's not in the hole, fairway or sandtraps
else
{
maps[y, x, 0] = 1.0f;
if (!fairway.isPointInsideOuterHull(point))
{
detailLayer[y, x] = splatOptions.densityPerPixel;
}
// else
// detailLayer[y, x] = 1;
}
}
}
//Set the detail layer map
tdata.SetDetailLayer(0, 0, 0, detailLayer);
//Set the heightmap
tdata.SetHeights(0, 0, heightMap);
//And set the alphamaps
tdata.SetAlphamaps(0, 0, maps);
terrain.Flush();
}