public void Execute(int index)
{
// ReSharper disable once RedundantCast
int z = Mathf.FloorToInt((float)index / XSamples);
int x = index - (z * XSamples);
Vector3 samplePosition = new Vector3(CellCorner.x + x * CalculatedSampleDistance, CellCorner.y + 10,
CellCorner.z + z * CalculatedSampleDistance);
VegetationSpawnLocationInstance vegetationSpawnLocationInstance =
new VegetationSpawnLocationInstance
{
Position = samplePosition,
SpawnChance = DefaultSpawnChance,
BiomeDistance = 1000000f
};
int randomNumberIndex = x + z * ZSamples + CellIndex + Seed;
while (randomNumberIndex > 9999)
{
randomNumberIndex = randomNumberIndex - 10000;
}
vegetationSpawnLocationInstance.RandomNumberIndex = randomNumberIndex;
if (RandomizePosition)
{
float3 offset = GetRandomOffset(CalculatedSampleDistance / 2f,
vegetationSpawnLocationInstance.RandomNumberIndex);
vegetationSpawnLocationInstance.RandomNumberIndex =
vegetationSpawnLocationInstance.RandomNumberIndex + 2;
vegetationSpawnLocationInstance.Position += offset;
}
if (UseSamplePointOffset)
{
float randomOffset = RandomRange(vegetationSpawnLocationInstance.RandomNumberIndex,
SamplePointMinOffset, SamplePointMaxOffset);
vegetationSpawnLocationInstance.RandomNumberIndex += 1;
float randomRotation =
math.frac(SamplePointMinOffset) *
365;
UnityEngine.Quaternion samplePointOffsetRotation = UnityEngine.Quaternion.Euler(0, randomRotation, 0);
float3 samplePointOffset = samplePointOffsetRotation * new Vector3(randomOffset, 0, 0);
vegetationSpawnLocationInstance.Position += samplePointOffset;
}
if (!CellRect.Contains(new Vector2(vegetationSpawnLocationInstance.Position.x,
vegetationSpawnLocationInstance.Position.z)))
{
vegetationSpawnLocationInstance.SpawnChance = 0;
}
SpawnLocations[index] = vegetationSpawnLocationInstance;
}
public void Execute(int index)
{
if (HeightmapSampled[index] == 1)
{
return;
}
VegetationSpawnLocationInstance spawnLocation = SpawnLocationList[index];
if (spawnLocation.SpawnChance < 0)
{
Excluded[index] = 1;
HeightmapSampled[index] = 1;
return;
}
Vector3 worldPosition = spawnLocation.Position;
Vector3 terrainSpacePositon = worldPosition - TerrainPosition;
float2 interpolatedPosition = new float2(terrainSpacePositon.x / Size.x, terrainSpacePositon.z / Size.z);
if (interpolatedPosition.x < 0 || interpolatedPosition.x > 1 || interpolatedPosition.y < 0 ||
interpolatedPosition.y > 1)
{
{
Excluded[index] = 1;
return;
}
}
float height = GetTriangleInterpolatedHeight(interpolatedPosition.x, interpolatedPosition.y);
Position[index] = new float3(spawnLocation.Position.x, height + TerrainPosition.y, spawnLocation.Position.z);
TerrainNormal[index] = GetInterpolatedNormal(interpolatedPosition.x, interpolatedPosition.y);
Scales[index] = new float3(1, 1, 1);
Rotation[index] = Quaternion.Euler(0, 0, 0);
RandomNumberIndex[index] = spawnLocation.RandomNumberIndex;
BiomeDistance[index] = spawnLocation.BiomeDistance;
DistanceFalloff[index] = 1;
TerrainSourceIDs[index] = TerrainSourceID;
Excluded[index] = 0;
HeightmapSampled[index] = 1;
TerrainTextureData[index] = 0;
//TODO make sure we do not need to init these 2 here
VegetationMaskDensity[index] = 0;
VegetationMaskScale[index] = 0;
TextureMaskData[index] = 0;
}
public void Execute(int index)
{
VegetationSpawnLocationInstance vegetationSpawnLocationInstance = SpawnLocationList[index];
if (RandomCutoff(vegetationSpawnLocationInstance.SpawnChance * Density,
vegetationSpawnLocationInstance.RandomNumberIndex))
{
vegetationSpawnLocationInstance.RandomNumberIndex++;
vegetationSpawnLocationInstance.SpawnChance = -1;
SpawnLocationList[index] = vegetationSpawnLocationInstance;
}
else
{
vegetationSpawnLocationInstance.RandomNumberIndex++;
SpawnLocationList[index] = vegetationSpawnLocationInstance;
}
}
public void Execute(int index)
{
VegetationSpawnLocationInstance vegetationSpawnLocationInstance = SpawnLocationList[index];
if (vegetationSpawnLocationInstance.SpawnChance > float.Epsilon)
{
float perlin = noise.cnoise(new float2(
(vegetationSpawnLocationInstance.Position.x + Offset.x) / PerlinScale,
(vegetationSpawnLocationInstance.Position.z + Offset.y) / PerlinScale));
perlin += 1f;
perlin /= 2f;
perlin = math.clamp(perlin, 0, 1);
perlin = math.@select(perlin, 1 - perlin, InversePerlinMask);
vegetationSpawnLocationInstance.SpawnChance *= perlin;
SpawnLocationList[index] = vegetationSpawnLocationInstance;
}
}