78 lines
2.0 KiB
C#
78 lines
2.0 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using System.Linq; // used for Sum of array
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public class ProceduralTextureScript : MonoBehaviour {
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public float snowHeight;
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public float rockSlope;
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// Start is called before the first frame update
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void Start()
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{
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}
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float transition(float start, float end,float value) {
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if (start > end) {
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return 1 - transition(end, start, value);
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}
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if (value < start) {
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return 0;
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}
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if (value >= end) {
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return 1;
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}
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var scaledValue = (value - start) / (end - start);
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return scaledValue;
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}
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public void runProcedrualTexturing() {
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var terrain = gameObject.GetComponent<Terrain>();
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var layers = terrain.terrainData.alphamapLayers;
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var height = terrain.terrainData.alphamapWidth;
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var width = terrain.terrainData.alphamapHeight;
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Debug.Log(layers);
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Debug.Log(height);
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Debug.Log(width);
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Debug.Log(terrain.terrainData.GetInterpolatedHeight(0.5f,0.5f));
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var newSplatMap = new float[width, height, layers];
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//for (int i=0; i<)
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for (int i=0; i < width;i++) {
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for (int j = 0; j < width; j++) {
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float x = j / (float)height;
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float y = i / (float)width;
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var splatWeights = new float[layers];
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var terrainHeight = terrain.terrainData.GetInterpolatedHeight(x,y);
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for (int k = 0; k < layers; k++) {
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splatWeights[k] = Random.RandomRange(0.0f,1.0f);
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}
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float sum = splatWeights.Sum();
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for (int k = 0; k < layers; k++) {
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newSplatMap[i,j,k]=splatWeights[k]/sum;
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}
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}
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}
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terrain.terrainData.SetAlphamaps(0, 0, newSplatMap);
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var a = terrain.terrainData.treeInstances;
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}
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// Update is called once per frame
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void Update()
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{
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}
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}
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