| private GetInterpolatedHeight ( float x, float y ) : float | ||
| x | float | |
| y | float | |
| return | float | |
/// <summary>
/// </summary>
/// <param name="terrainData"></param>
/// <param name="position">Location in the XZ plane (not the XY plane!)</param>
/// <param name="sphereRadius"></param>
/// <returns></returns>
private static Vector3 AdjustSpawnPositionForTerrainShape(TerrainData terrainData, Vector2 position, float sphereRadius)
{
var height = terrainData.GetInterpolatedHeight(position.x, position.y);
var normal = terrainData.GetInterpolatedNormal(position.x, position.y);
var offsetAlongNormal = normal * sphereRadius;
var positionOnTerrain = new Vector3(position.x, height, position.y);
return positionOnTerrain + offsetAlongNormal;
}
void checkTerrain(JSONNode mines)
{
terrain_data = terrain.terrainData;
// var pos = mines[0];
// float x = pos[0].AsFloat, y = pos[1].AsFloat, z = pos[2].AsFloat;
// Debug.Log ("mine0: x: " + x + ", " + "z: " + z + ", " + "y: " + y);
// Debug.Log ("InterpolatedHeight: " + terrain_data.GetInterpolatedHeight((x+150.0f)/300.0f, (z+150.0f)/300.0f));
//
// pos = mines[1];
// x = pos [0].AsFloat; y = pos [1].AsFloat; z = pos[2].AsFloat;
// Debug.Log ("mine1: x: " + x + ", " + "z: " + z + ", " + "y: " + y);
// Debug.Log ("InterpolatedHeight: " + terrain_data.GetInterpolatedHeight((x+150.0f)/300.0f, (z+150.0f)/300.0f));
//
// pos = mines[2];
// x = pos [0].AsFloat; y = pos[1].AsFloat; z = pos[2].AsFloat;
// Debug.Log ("mine2: x: " + x + ", " + "z: " + z + ", " + "y: " + y);
// Debug.Log ("InterpolatedHeight: " + terrain_data.GetInterpolatedHeight((x+150.0f)/300.0f, (z+150.0f)/300.0f));
float[] x = new float[200];
float[] y = new float[200];
int mine_num = 200;
for (int i = 0; i < mine_num; i++){
var pos = mines[i];
float px = pos[0].AsFloat, py = pos[1].AsFloat, pz = pos[2].AsFloat;
x[i] = terrain_data.GetInterpolatedHeight((px+150.0f)/300.0f, (pz+150.0f)/300.0f);
y[i] = py;
Debug.Log(i);
}
float mxy = 0;
float mx = 0;
float mx2 = 0;
float my = 0;
for (int i = 0; i < mine_num; i++){
mx += x[i];
mx2 += x[i] * x[i];
my += y[i];
mxy += x[i]*y[i];
}
mx /= mine_num;
mx2 /= mine_num;
my /= mine_num;
mxy /= mine_num;
float a_up = mxy - mx * my;
float a_down = mx2 - mx * mx;
float a = a_up / a_down;
float b = my - a * mx;
Debug.Log("a: "+a);
Debug.Log("b: "+b);
}
void OnGUI()
{
if (finalize) {
// select created texture
Selection.activeObject=AssetDatabase.LoadAssetAtPath(save_path, typeof(Texture2D));
finalize=false;
}
EditorGUILayout.Space();
sourceTerrain = EditorGUILayout.ObjectField("Source Terrain Data", sourceTerrain, typeof(TerrainData), false) as TerrainData;
EditorGUILayout.Space();
if (sourceTerrain) {
bool render_flag=false;
bool render_flag_npot=false;
if (GUILayout.Button("Render heights")) {
render_flag=true;
}
if (GUILayout.Button("Render heights (NPOT exact size 2^n+1)")) {
render_flag_npot=true;
}
if (render_flag || render_flag_npot) {
rendered_tex=new Texture2D(sourceTerrain.heightmapResolution-(render_flag_npot ? 0:1), sourceTerrain.heightmapResolution-(render_flag_npot ? 0:1), TextureFormat.RGBA32, false, true);
Color32[] cols=new Color32[rendered_tex.width * rendered_tex.height];
for( int x = 0; x < rendered_tex.width; x++ ) {
for( int y = 0; y < rendered_tex.height; y++ ) {
float _x = 1.0f*x/(rendered_tex.width-1);
float _y = 1.0f*y/(rendered_tex.height-1);
int _hiP,_loP;
float hgt = sourceTerrain.GetInterpolatedHeight( _x,_y )/sourceTerrain.size.y;
_hiP = Mathf.FloorToInt( hgt*255.0f );
_loP = Mathf.FloorToInt( (hgt*255.0f - _hiP)*255.0f );
int _Nx, _Nz;
Vector3 norm = sourceTerrain.GetInterpolatedNormal( _x,_y );
_Nx = Mathf.RoundToInt( Mathf.Clamp01(norm.x*0.5f+0.5f)*255.0f );
_Nz = Mathf.RoundToInt( Mathf.Clamp01(norm.z*0.5f+0.5f)*255.0f );
cols[y * rendered_tex.width + x] = new Color32( (byte)_hiP, (byte)_loP, (byte)_Nx, (byte)_Nz );
}
}
rendered_tex.SetPixels32(cols);
rendered_tex.Apply(false,false);
if (Selection.activeObject is Texture2D && AssetDatabase.GetAssetPath(Selection.activeObject as Texture2D)!="") {
save_path=AssetDatabase.GetAssetPath(Selection.activeObject as Texture2D);
directory=Path.GetDirectoryName(save_path);
file=Path.GetFileNameWithoutExtension(save_path)+".png";
} else {
if (save_path=="") {
directory=Path.GetDirectoryName(AssetDatabase.GetAssetPath(sourceTerrain));
file=Path.GetFileNameWithoutExtension(AssetDatabase.GetAssetPath(sourceTerrain))+".png";
}
}
}
}
if (rendered_tex) {
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("Height(RG) & normal(BA) texture", GUILayout.MinWidth(200));
EditorGUILayout.ObjectField(rendered_tex, typeof(Texture2D), false, GUILayout.MinWidth(150), GUILayout.MinHeight(150), GUILayout.MaxWidth(150), GUILayout.MaxHeight(150));
EditorGUILayout.EndHorizontal();
if (GUILayout.Button("Save texture")) {
if (save_path=="") {
directory=Path.GetDirectoryName(AssetDatabase.GetAssetPath(sourceTerrain));
file=Path.GetFileNameWithoutExtension(AssetDatabase.GetAssetPath(sourceTerrain))+".png";
}
SaveTexture(directory, file);
}
}
}
void SetMines(JSONNode mines)
{
terrain_data = terrain.terrainData;
int mine_num = 200;
int n = rocks.Length;
for (int i = 0; i < mine_num; i++) {
var pos = mines[i];
float x = pos[0].AsFloat, y = pos[1].AsFloat, z = pos[2].AsFloat;
y = terrain_data.GetInterpolatedHeight((x+150.0f)/300.0f, (z+150.0f)/300.0f)-14.11622f;
/*if (x*x + z*z > 50 * 50) y -= 1;
if (x*x + z*z > 100 * 100) y -= 2;*/
Quaternion q = Quaternion.Euler(0,0,0);
//Quaternion q = Quaternion.Euler(UnityEngine.Random.Range(0, 360), UnityEngine.Random.Range(0, 360), UnityEngine.Random.Range(0, 360));
GameObject temp = (UnityEngine.GameObject)Instantiate(mine, new Vector3(x,y,z), q);
}
}
/// <summary>
/// Generate trees on the terrain
/// </summary>
List<TreeInstance> GenerateTrees(TerrainData data, int tileX, int tileZ)
{
//make sure prototypes have been set
if (_treePrototypes.Length < 1)
{
return null;
}
var trees = new List<TreeInstance>();
int spacing = 8;
var maxHeight = _terrainSettings.TerrainHeight * 0.7f;
var minHeight = _terrainSettings.TerrainHeight * 0.1f;
for (var x = 0; x < _terrainSize; x += spacing)
{
for (var z = 0; z < _terrainSize; z += spacing)
{
var unit = 1.0f / (_terrainSize - 1);
var offsetX = Random.value * unit * spacing;
var offsetZ = Random.value * unit * spacing;
var xNorm = x * unit + offsetX;
var zNorm = z * unit + offsetZ;
var xWorld = x + tileX * (_terrainSize - 1);
var zWorld = z + tileZ * (_terrainSize - 1);
//randomizes the spacing
spacing = Random.Range(4, 12);
// Get the steepness value at the normalized coordinate.
var angle = data.GetSteepness(xNorm, zNorm);
// Steepness is given as an angle, 0..90 degrees. Divide
// by 90 to get an alpha blending value in the range 0..1.
var frac = angle / 90.0f;
if (frac < 0.7f)
{
var noise = _treeNoise.FractalNoise2D(xWorld, zWorld, 3, _terrainSettings.TreeFrequency, 1.0f);
var height = data.GetInterpolatedHeight(xNorm, zNorm);
//no trees on high mountains
if (noise > 0.1f && height < maxHeight && height > minHeight)
{
//Create the tree instance
var tree = new TreeInstance()
{
heightScale = 1,
widthScale = 1,
prototypeIndex = Random.Range(0, _treePrototypes.Length),
lightmapColor = Color.white,
color = Color.white,
position = new Vector3(xNorm, height, zNorm)
};
trees.Add(tree);
}
}
}
}
return trees;
}
