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Update for AtlasBuilder ok

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Need to improuve duplicate vertex for mapping texture.
This commit is contained in:
Troispoils 2024-02-27 17:04:09 +01:00
parent 4777783ffb
commit b9a2b87fe9
11 changed files with 160 additions and 33 deletions
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35
LandblockExtraction/LandBlockExtractor/Utilities/BlockStruct.cs
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@ -1,4 +1,8 @@
namespace LandblockExtraction.LandBlockExtractor {

using System;
using System.Numerics;
namespace LandblockExtraction.LandBlockExtractor {
public class BlockStruct {
public readonly static int BlockSize = 17;
@ -26,5 +30,34 @@
}
}
}
public void GenerateUVByIndices() {
// Calculer les UV en fonction de la position de chaque sommet
for (int y = 0; y < BlockSize; y++) {
for (int x = 0; x < BlockSize; x++) {
// Indices des sommets du premier triangle
//float u = ((float)x / (BlockSize - 1)) * 16;
//float v = ((float)y / (BlockSize - 1)) * 16;
// Définir la position de la texture dans l'atlas
int textureIndexX = 1; // Deuxième colonne
int textureIndexY = 0; // Première ligne
int atlasSize = 4; // L'atlas contient 4x4 textures
// Calculer le décalage dans l'atlas pour la texture ciblée
float offsetX = (float)textureIndexX / atlasSize;
float offsetY = (float)textureIndexY / atlasSize;
// Calculer la taille d'une texture dans l'atlas
float textureSize = 1.0f / atlasSize;
// Calculer les coordonnées UV pour la répétition
float u = ((float)x / (BlockSize - 1)) * 16 * textureSize + offsetX;
float v = ((float)y / (BlockSize - 1)) * 16 * textureSize + offsetY;
verticesStruct.texturecoord[y * BlockSize + x] = new(u, v);
}
}
}
}
}

8
LandblockExtraction/LandBlockExtractor/Utilities/VerticesStruct.cs
View file

@ -5,17 +5,19 @@ namespace LandblockExtraction.LandBlockExtractor {
public Vector3[] position { get; set; }
public Vector4[] color { get; set; }
public Vector4[] farcolor { get; set; }
public Vector2[] texturecoord { get; set; }
public VerticesStruct(int blockSize) {
position = new Vector3[blockSize * blockSize];
color = new Vector4[blockSize * blockSize];
farcolor = new Vector4[blockSize * blockSize];
texturecoord = new Vector2[blockSize * blockSize];
}
public float[] Vertices() {
int length = position.Length;
float[] vertices = new float[length * 11]; // 3 pour position, 4 pour color, et 4 pour farcolor
for (int i = 0, vi = 0; i < length; i++, vi += 11) {
float[] vertices = new float[length * 13]; // 3 pour position, 4 pour color, et 4 pour farcolor
for (int i = 0, vi = 0; i < length; i++, vi += 13) {
vertices[vi] = position[i].X;
vertices[vi + 1] = position[i].Y;
vertices[vi + 2] = position[i].Z;
@ -27,6 +29,8 @@ namespace LandblockExtraction.LandBlockExtractor {
vertices[vi + 8] = farcolor[i].Y;
vertices[vi + 9] = farcolor[i].Z;
vertices[vi + 10] = farcolor[i].W;
vertices[vi + 11] = texturecoord[i].X;
vertices[vi + 12] = texturecoord[i].Y;
}
return vertices;
}