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Reduce terrain texture seams

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Kelsi 2026-02-07 20:28:50 -08:00
parent 9f19d9fa1a
commit a7c0b4320b
2 changed files with 40 additions and 11 deletions
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8
src/pipeline/terrain_mesh.cpp
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@ -214,9 +214,11 @@ std::vector<TerrainVertex> TerrainMeshGenerator::generateVertices(const MapChunk
vertex.normal[2] = 1.0f;
}
// Texture coordinates (0-1 per chunk, tiles with GL_REPEAT)
vertex.texCoord[0] = offsetX / 8.0f;
vertex.texCoord[1] = offsetY / 8.0f;
// Texture coordinates: world-aligned so patterns don't reset per chunk.
// Keep one texture repeat per chunk (matches prior scale).
constexpr float texScale = 1.0f / CHUNK_SIZE;
vertex.texCoord[0] = -vertex.position[1] * texScale;
vertex.texCoord[1] = -vertex.position[0] * texScale;
// Layer UV for alpha map sampling (0-1 range per chunk).
// Sample at texel centers of the 64x64 alpha map to avoid edge seams.