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Added stepness task

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This commit is contained in:
Bartosz Hejduk 2021-06-28 21:42:09 +02:00
parent 765955cd22
commit c050fdfc5f
1 changed files with 27 additions and 23 deletions
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44
cw6/Terrain/Assets/Scripts/ProceduralTextureScript.cs
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@ -3,7 +3,8 @@ using System.Collections.Generic;
using UnityEngine; using UnityEngine;
using System.Linq; // used for Sum of array using System.Linq; // used for Sum of array
public class ProceduralTextureScript : MonoBehaviour { public class ProceduralTextureScript : MonoBehaviour
{
public float snowHeight; public float snowHeight;
public float rockSlope; public float rockSlope;
@ -13,21 +14,26 @@ public class ProceduralTextureScript : MonoBehaviour {
} }
float transition(float start, float end,float value) { float transition(float start, float end, float value)
if (start > end) { {
if (start > end)
{
return 1 - transition(end, start, value); return 1 - transition(end, start, value);
} }
if (value < start) { if (value < start)
{
return 0; return 0;
} }
if (value >= end) { if (value >= end)
{
return 1; return 1;
} }
var scaledValue = (value - start) / (end - start); var scaledValue = (value - start) / (end - start);
return scaledValue; return scaledValue;
} }
public void runProcedrualTexturing() { public void runProcedrualTexturing()
{
var terrain = gameObject.GetComponent<Terrain>(); var terrain = gameObject.GetComponent<Terrain>();
var layers = terrain.terrainData.alphamapLayers; var layers = terrain.terrainData.alphamapLayers;
var height = terrain.terrainData.alphamapWidth; var height = terrain.terrainData.alphamapWidth;
@ -38,35 +44,33 @@ public class ProceduralTextureScript : MonoBehaviour {
Debug.Log(height); Debug.Log(height);
Debug.Log(width); Debug.Log(width);
Debug.Log(terrain.terrainData.GetInterpolatedHeight(0.5f,0.5f)); Debug.Log(terrain.terrainData.GetInterpolatedHeight(0.5f, 0.5f));
var newSplatMap = new float[width, height, layers]; var newSplatMap = new float[width, height, layers];
//for (int i=0; i<) //for (int i=0; i<)
for (int i=0; i < width;i++) { for (int i = 0; i < width; i++)
for (int j = 0; j < width; j++) { {
for (int j = 0; j < width; j++)
{
float x = j / (float)height; float x = j / (float)height;
float y = i / (float)width; float y = i / (float)width;
var splatWeights = new float[layers]; var splatWeights = new float[layers];
var terrainHeight = terrain.terrainData.GetInterpolatedHeight(x,y); var terrainSteepness = terrain.terrainData.GetSteepness(x, y);
for (int k = 0; k < layers; k++)
for (int k = 0; k < layers; k++) { {
splatWeights[k] = Random.RandomRange(0.0f,1.0f); splatWeights[k] = terrainSteepness;
} }
float sum = splatWeights.Sum(); float sum = splatWeights.Sum();
for (int k = 0; k < layers; k++) { for (int k = 0; k < layers; k++)
newSplatMap[i,j,k]=splatWeights[k]/sum; {
newSplatMap[i, j, k] = splatWeights[k] / sum;
} }
} }
} }
terrain.terrainData.SetAlphamaps(0, 0, newSplatMap); terrain.terrainData.SetAlphamaps(0, 0, newSplatMap);
var a = terrain.terrainData.treeInstances;
} }
// Update is called once per frame // Update is called once per frame