From c050fdfc5f6c2e664bc5f8d39ab2aeaa0387e99c Mon Sep 17 00:00:00 2001
From: Bartosz Hejduk <barhej@st.amu.edu.pl>
Date: Mon, 28 Jun 2021 21:42:09 +0200
Subject: [PATCH] Added stepness task

---
 .../Assets/Scripts/ProceduralTextureScript.cs | 50 ++++++++++---------
 1 file changed, 27 insertions(+), 23 deletions(-)

diff --git a/cw6/Terrain/Assets/Scripts/ProceduralTextureScript.cs b/cw6/Terrain/Assets/Scripts/ProceduralTextureScript.cs
index 2529dc56..a38d74b8 100644
--- a/cw6/Terrain/Assets/Scripts/ProceduralTextureScript.cs
+++ b/cw6/Terrain/Assets/Scripts/ProceduralTextureScript.cs
@@ -3,31 +3,37 @@ using System.Collections.Generic;
 using UnityEngine;
 using System.Linq; // used for Sum of array
 
-public class ProceduralTextureScript : MonoBehaviour {
+public class ProceduralTextureScript : MonoBehaviour
+{
     public float snowHeight;
     public float rockSlope;
 
     // Start is called before the first frame update
     void Start()
     {
-        
+
     }
 
-    float transition(float start, float end,float value) {
-        if (start > end) {
+    float transition(float start, float end, float value)
+    {
+        if (start > end)
+        {
             return 1 - transition(end, start, value);
         }
-        if (value < start) {
+        if (value < start)
+        {
             return 0;
         }
-        if (value >= end) {
+        if (value >= end)
+        {
             return 1;
         }
         var scaledValue = (value - start) / (end - start);
         return scaledValue;
     }
 
-    public void runProcedrualTexturing() {
+    public void runProcedrualTexturing()
+    {
         var terrain = gameObject.GetComponent<Terrain>();
         var layers = terrain.terrainData.alphamapLayers;
         var height = terrain.terrainData.alphamapWidth;
@@ -38,40 +44,38 @@ public class ProceduralTextureScript : MonoBehaviour {
         Debug.Log(height);
         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];
         //for (int i=0; i<)
-        
-        for (int i=0; i < width;i++) {
-            for (int j = 0; j < width; j++) {
+
+        for (int i = 0; i < width; i++)
+        {
+            for (int j = 0; j < width; j++)
+            {
                 float x = j / (float)height;
                 float y = i / (float)width;
                 var splatWeights = new float[layers];
-                var terrainHeight = terrain.terrainData.GetInterpolatedHeight(x,y);
-
-                for (int k = 0; k < layers; k++) {
-                    splatWeights[k] = Random.RandomRange(0.0f,1.0f);
+                var terrainSteepness = terrain.terrainData.GetSteepness(x, y);
+                for (int k = 0; k < layers; k++)
+                {
+                    splatWeights[k] = terrainSteepness;
                 }
 
-
-
                 float sum = splatWeights.Sum();
 
-                for (int k = 0; k < layers; k++) {
-                    newSplatMap[i,j,k]=splatWeights[k]/sum;
+                for (int k = 0; k < layers; k++)
+                {
+                    newSplatMap[i, j, k] = splatWeights[k] / sum;
                 }
             }
         }
         terrain.terrainData.SetAlphamaps(0, 0, newSplatMap);
-
-        var a = terrain.terrainData.treeInstances;
-        
     }
 
     // Update is called once per frame
     void Update()
     {
-        
+
     }
 }