// Use this for initialization
void Awake()
{
#region Initialise
// This line just gets the starting time of the generation so that the total generation time
// can be recorded and displayed
float generationStartTime = Time.realtimeSinceStartup;
RuntimeSampleHelper.RemoveDefaultCamera();
RuntimeSampleHelper.RemoveDefaultLight();
// Get a link to the LBLandscape script
landscape = this.GetComponent <LBLandscape>();
if (landscape == null)
{
Debug.Log("Cannot find LBLandscape script attached to Runtime gameobject");
return;
}
// Check to see if Universal Render Pipeline is installed in the project
bool isURP = LBLandscape.IsURP(false);
// Check to see if Light Weight Render Pipeline is installed in this project
bool isLWRP = !isURP && LBLandscape.IsLWRP(false);
// Check to see if High Definition Render Pipeline is installed in this project
bool isHDRP = !isURP && !isLWRP && LBLandscape.IsHDRP(false);
#if UNITY_2019_2_OR_NEWER
bool is201920Plus = true;
#else
bool is201920Plus = false;
#endif
#endregion
#region Create the terrains and store references to them
terrainsList = new List <Terrain>();
int terrainNumber = 0;
for (float tx = 0f; tx < landscapeSize.x - 1f; tx += 2000f)
{
for (float ty = 0f; ty < landscapeSize.y - 1f; ty += 2000f)
{
// Create a new gameobject
GameObject terrainObj = new GameObject("Runtime Terrain " + (terrainNumber++).ToString("000"));
// Correctly parent and position the terrain
terrainObj.transform.parent = this.transform;
terrainObj.transform.localPosition = new Vector3(tx, 0f, ty);
// Add a terrain component
Terrain newTerrain = terrainObj.AddComponent <Terrain>();
// Set terrain settings (depending on your situtation, you may need to set more or less than I have in this example)
newTerrain.heightmapPixelError = 1;
newTerrain.basemapDistance = 5000f;
newTerrain.treeDistance = 5000f;
newTerrain.treeBillboardDistance = 100f;
newTerrain.detailObjectDistance = 150f;
newTerrain.treeCrossFadeLength = 25f;
// Set terrain data settings (same as above comment)
TerrainData newTerrainData = new TerrainData();
// One thing to note here is that modfiying the heightmap resolution not only clears all terrai height data,
// it also scales up or down the size of the terrain. So you should always set the heightmap resolution
// BEFORE you set the terrain size
newTerrainData.heightmapResolution = 513;
newTerrainData.size = Vector3.one * 2000f;
newTerrainData.SetDetailResolution(1024, 16);
newTerrain.terrainData = newTerrainData;
// Set up the terrain collider
TerrainCollider newTerrainCol = terrainObj.AddComponent <TerrainCollider>();
newTerrainCol.terrainData = newTerrainData;
// Add the terrain to the list of terrains
terrainsList.Add(newTerrain);
}
}
#endregion
landscape.SetLandscapeTerrains(true);
landscape.SetTerrainNeighbours(false);
#region Set the terrain material
int numTerrains = landscape.landscapeTerrains == null ? 0 : landscape.landscapeTerrains.Length;
// Check for URP/LWRP/HDRP or do we need to create a default material for U2019.2.0 or newer
if (isURP || isLWRP || isHDRP || is201920Plus)
{
float pixelError = 0f;
Terrain terrain = null;
LBLandscape.TerrainMaterialType terrainMaterialType = isURP ? LBLandscape.TerrainMaterialType.URP : (isLWRP ? LBLandscape.TerrainMaterialType.LWRP : (terrainMaterialType = isHDRP ? LBLandscape.TerrainMaterialType.HDRP : LBLandscape.TerrainMaterialType.BuiltInStandard));
for (int tIdx = 0; tIdx < numTerrains; tIdx++)
{
terrain = landscape.landscapeTerrains[tIdx];
landscape.SetTerrainMaterial(terrain, tIdx, (tIdx == numTerrains - 1), terrain.terrainData.size.x, ref pixelError, terrainMaterialType);
}
}
#endregion
// Set the topography noise variables
float maskWarpAmount = 0f;
float maskNoiseTileSize = 10000f;
float maskNoiseOffsetX = 0f;
float maskNoiseOffsetY = 0f;
AnimationCurve distanceToCentreMask = new AnimationCurve();
int keyInt = distanceToCentreMask.AddKey(0f, 1f);
keyInt = distanceToCentreMask.AddKey(0.529f, 0.959f);
keyInt = distanceToCentreMask.AddKey(1f, 0f);
Keyframe[] curveKeys = distanceToCentreMask.keys;
curveKeys[0].inTangent = 0f;
curveKeys[0].outTangent = 0f;
curveKeys[1].inTangent = -0.25f;
curveKeys[1].outTangent = -0.25f;
curveKeys[2].inTangent = 0f;
curveKeys[2].outTangent = 0f;
distanceToCentreMask = new AnimationCurve(curveKeys);
AnimationCurve maskNoiseCurveModifier = AnimationCurve.Linear(0f, 0.5f, 1f, 1f);
// Avoid warning of keyInt not being used.
if (keyInt == 0)
{
}
// Create the Topography Layers
// You can mix and match Perlin and Image layers
landscape.topographyLayersList = new List <LBLayer>();
if (landscape.topographyLayersList != null)
{
// Add one or more Base layers
LBLayer lbBaseLayer1 = new LBLayer();
if (lbBaseLayer1 != null)
{
lbBaseLayer1 = LBLayer.SetLayerFromPreset(LBLayer.LayerPreset.DesertFloorBase);
landscape.topographyLayersList.Add(lbBaseLayer1);
}
// Add one or more Additive layers
LBLayer lbAdditiveLayer1 = new LBLayer();
if (lbAdditiveLayer1 != null)
{
// You can manually configure a layer, or use a preset then modify it.
lbAdditiveLayer1 = LBLayer.SetLayerFromPreset(LBLayer.LayerPreset.MountainRangeComplexBase);
// If using using a different type of preset, must set the type after applying preset
lbAdditiveLayer1.type = LBLayer.LayerType.PerlinAdditive;
// Optionally override the preset settings
lbAdditiveLayer1.noiseTileSize = 5000f;
lbAdditiveLayer1.octaves = 8;
lbAdditiveLayer1.lacunarity = 1.92f;
lbAdditiveLayer1.gain = 0.45f;
lbAdditiveLayer1.warpAmount = 0;
lbAdditiveLayer1.removeBaseNoise = true;
lbAdditiveLayer1.heightScale = 1f;
lbAdditiveLayer1.additiveAmount = 0.75f;
lbAdditiveLayer1.additiveCurve = LBLayer.CreateAdditiveCurve(lbAdditiveLayer1.additiveAmount);
lbAdditiveLayer1.perOctaveCurveModifierPresets = new List <LBCurve.CurvePreset>();
lbAdditiveLayer1.perOctaveCurveModifierPresets.Add(LBCurve.CurvePreset.DoubleRidged);
landscape.topographyLayersList.Add(lbAdditiveLayer1);
}
// Add a detail layer
LBLayer lbDetailLayer1 = new LBLayer();
if (lbDetailLayer1 != null)
{
lbDetailLayer1 = LBLayer.SetLayerFromPreset(LBLayer.LayerPreset.HillsDetail);
landscape.topographyLayersList.Add(lbDetailLayer1);
}
}
// Create the terrain topographies
for (int t = 0; t < terrainsList.Count && landscape.topographyLayersList != null; t++)
{
// Add the topography layers
terrainsList[t].terrainData = LBLandscapeTerrain.HeightmapFromLayers(landscape, terrainsList[t].terrainData,
terrainsList[t].transform.position, landscapeSize, landscape.transform.position, landscape.topographyLayersList);
if (IsMaskingOn)
{
// Example of applying a mask to the terrain topography
terrainsList[t].terrainData = LBLandscapeTerrain.MaskedHeightmap(terrainsList[t].terrainData,
terrainsList[t].transform.position, landscapeSize, transform.position,
1, distanceToCentreMask, maskWarpAmount, maskNoiseTileSize,
new Vector2(maskNoiseOffsetX, maskNoiseOffsetY), maskNoiseCurveModifier);
}
}
// Create a list of LBTerrainTexture objects
// These contain the textures and normal maps but also the rules for applying them to the terrain
landscape.terrainTexturesList = new List <LBTerrainTexture>();
// Populate the list by creating temporary LBTerrainTexture objects and adjusting their settings,
// then adding each one into the list
// Grass Hill texture
LBTerrainTexture tempTerrainTexture = new LBTerrainTexture();
tempTerrainTexture.texture = grassHillTexture;
tempTerrainTexture.normalMap = grassHillNormalMap;
tempTerrainTexture.tileSize = Vector2.one * 25f;
tempTerrainTexture.minInclination = 0f;
tempTerrainTexture.maxInclination = 45f;
tempTerrainTexture.useNoise = true;
tempTerrainTexture.noiseTileSize = 100f;
tempTerrainTexture.texturingMode = LBTerrainTexture.TexturingMode.Inclination;
landscape.terrainTexturesList.Add(tempTerrainTexture);
// Rock Layered texture
tempTerrainTexture = new LBTerrainTexture();
tempTerrainTexture.texture = rockLayeredTexture;
tempTerrainTexture.normalMap = rockLayeredNormalMap;
tempTerrainTexture.tileSize = Vector2.one * 100f;
tempTerrainTexture.minInclination = 30f;
tempTerrainTexture.maxInclination = 90f;
tempTerrainTexture.useNoise = true;
tempTerrainTexture.noiseTileSize = 100f;
tempTerrainTexture.texturingMode = LBTerrainTexture.TexturingMode.Inclination;
landscape.terrainTexturesList.Add(tempTerrainTexture);
// Texture the terrains
for (int t = 0; t < terrainsList.Count; t++)
{
// Use the LBLandscapeTerrain.TextureTerrain function for texturing the terrain
terrainsList[t].terrainData = LBLandscapeTerrain.TextureTerrain(terrainsList[t].terrainData, landscape.terrainTexturesList,
terrainsList[t].transform.position, landscapeSize, this.transform.position, false, landscape);
}
// Display the total time taken to generate the landscape (usually for debugging purposes)
Debug.Log("Time taken to generate landscape: " + (Time.realtimeSinceStartup - generationStartTime).ToString("00.00") + " seconds.");
}
// Use this for initialization
void Awake()
{
// This line just gets the starting time of the generation so that the total generation time
// can be recorded and displayed
float generationStartTime = Time.realtimeSinceStartup;
RuntimeSampleHelper.RemoveDefaultCamera();
// Create the terrains and store references to them
terrainsList = new List <Terrain>();
for (float tx = 0f; tx < landscapeSize.x - 1f; tx += 2000f)
{
for (float ty = 0f; ty < landscapeSize.y - 1f; ty += 2000f)
{
// Create a new gameobject
GameObject terrainObj = new GameObject("Runtime Terrain");
// Correctly parent and position the terrain
terrainObj.transform.parent = this.transform;
terrainObj.transform.localPosition = new Vector3(tx, 0f, ty);
// Add a terrain component
Terrain newTerrain = terrainObj.AddComponent <Terrain>();
// Set terrain settings (depending on your situtation, you may need to set more or less than I have in this example)
newTerrain.heightmapPixelError = 1;
newTerrain.basemapDistance = 5000f;
newTerrain.treeDistance = 5000f;
newTerrain.treeBillboardDistance = 100f;
newTerrain.detailObjectDistance = 150f;
newTerrain.treeCrossFadeLength = 25f;
// Set terrain data settings (same as above comment)
TerrainData newTerrainData = new TerrainData();
// One thing to note here is that modfiying the heightmap resolution not only clears all terrai height data,
// it also scales up or down the size of the terrain. So you should always set the heightmap resolution
// BEFORE you set the terrain size
newTerrainData.heightmapResolution = 513;
newTerrainData.size = Vector3.one * 2000f;
newTerrain.terrainData = newTerrainData;
// Set up the terrain collider
TerrainCollider newTerrainCol = terrainObj.AddComponent <TerrainCollider>();
newTerrainCol.terrainData = newTerrainData;
// Add the terrain to the list of terrains
terrainsList.Add(newTerrain);
}
}
// Set the topography noise variables
float maskWarpAmount = 0f;
float maskNoiseTileSize = 10000f;
float maskNoiseOffsetX = 0f;
float maskNoiseOffsetY = 0f;
AnimationCurve distanceToCentreMask = new AnimationCurve();
int keyInt = distanceToCentreMask.AddKey(0f, 1f);
keyInt = distanceToCentreMask.AddKey(0.529f, 0.959f);
keyInt = distanceToCentreMask.AddKey(1f, 0f);
Keyframe[] curveKeys = distanceToCentreMask.keys;
curveKeys[0].inTangent = 0f;
curveKeys[0].outTangent = 0f;
curveKeys[1].inTangent = -0.25f;
curveKeys[1].outTangent = -0.25f;
curveKeys[2].inTangent = 0f;
curveKeys[2].outTangent = 0f;
distanceToCentreMask = new AnimationCurve(curveKeys);
AnimationCurve maskNoiseCurveModifier = AnimationCurve.Linear(0f, 0.5f, 1f, 1f);
// Avoid warning of keyInt not being used.
if (keyInt == 0)
{
}
// Create the terrain topographies
for (int t = 0; t < terrainsList.Count; t++)
{
// Use the LBLandscapeTerrain.PerlinNoiseHeightmap function for value based perlin noise
// This example is using the values from the Rolling Hills preset
terrainsList[t].terrainData = LBLandscapeTerrain.PerlinNoiseHeightmap(terrainsList[t].terrainData, terrainsList[t].transform.position,
7, 10000f, Vector2.zero, 1f, 2.00f, 0.40f, true, true, 1, 0.5f, 0, LBCurve.SetCurveFromPreset(LBCurve.CurvePreset.None), 1.5f);
if (IsMaskingOn)
{
// Example of applying a mask to the terrain topography
terrainsList[t].terrainData = LBLandscapeTerrain.MaskedHeightmap(terrainsList[t].terrainData,
terrainsList[t].transform.position, landscapeSize, transform.position,
1, distanceToCentreMask, maskWarpAmount, maskNoiseTileSize,
new Vector2(maskNoiseOffsetX, maskNoiseOffsetY), maskNoiseCurveModifier);
}
}
// Create a list of LBTerrainTexture objects
// These contain the textures and normal maps but also the rules for applying them to the terrain
List <LBTerrainTexture> terrainTexturesList = new List <LBTerrainTexture>();
// Populate the list by creating temporary LBTerrainTexture objects and adjusting their settings,
// then adding each one into the list
// Grass Hill texture
LBTerrainTexture tempTerrainTexture = new LBTerrainTexture();
tempTerrainTexture.texture = grassHillTexture;
tempTerrainTexture.normalMap = grassHillNormalMap;
tempTerrainTexture.tileSize = Vector2.one * 25f;
tempTerrainTexture.minInclination = 0f;
tempTerrainTexture.maxInclination = 45f;
tempTerrainTexture.useNoise = true;
tempTerrainTexture.noiseTileSize = 100f;
tempTerrainTexture.texturingMode = LBTerrainTexture.TexturingMode.Inclination;
terrainTexturesList.Add(tempTerrainTexture);
// Rock Layered texture
tempTerrainTexture = new LBTerrainTexture();
tempTerrainTexture.texture = rockLayeredTexture;
tempTerrainTexture.normalMap = rockLayeredNormalMap;
tempTerrainTexture.tileSize = Vector2.one * 100f;
tempTerrainTexture.minInclination = 30f;
tempTerrainTexture.maxInclination = 90f;
tempTerrainTexture.useNoise = true;
tempTerrainTexture.noiseTileSize = 100f;
tempTerrainTexture.texturingMode = LBTerrainTexture.TexturingMode.Inclination;
terrainTexturesList.Add(tempTerrainTexture);
// Texture the terrains
for (int t = 0; t < terrainsList.Count; t++)
{
// Use the LBLandscapeTerrain.TextureTerrain function for texturing the terrain
terrainsList[t].terrainData = LBLandscapeTerrain.TextureTerrain(terrainsList[t].terrainData, terrainTexturesList,
terrainsList[t].transform.position, landscapeSize, this.transform.position, false, null);
}
// Display the total time taken to generate the landscape (usually for debugging purposes)
Debug.Log("Time taken to generate landscape: " + (Time.realtimeSinceStartup - generationStartTime).ToString("00.00") + " seconds.");
}