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Fix terrain water horizontal flip by correcting step vector axes

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stepX/stepY were transposed: columns stepped south instead of east and
rows stepped east instead of south, mirroring all overworld water. Also
fix per-chunk origin to use layer.x for east offset and layer.y for south.
This commit is contained in:
Kelsi 2026-03-06 20:23:22 -08:00
parent ad66ef9ca6
commit e4d94e5d7c
1 changed files with 6 additions and 6 deletions
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12
src/rendering/water_renderer.cpp
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@ -684,12 +684,12 @@ void WaterRenderer::loadFromTerrain(const pipeline::ADTTerrain& terrain, bool ap
layer.minHeight
);
surface.origin = glm::vec3(
surface.position.x - (static_cast<float>(layer.y) * TILE_SIZE),
surface.position.y - (static_cast<float>(layer.x) * TILE_SIZE),
surface.position.x - (static_cast<float>(layer.x) * TILE_SIZE),
surface.position.y - (static_cast<float>(layer.y) * TILE_SIZE),
layer.minHeight
);
surface.stepX = glm::vec3(0.0f, -TILE_SIZE, 0.0f);
surface.stepY = glm::vec3(-TILE_SIZE, 0.0f, 0.0f);
surface.stepX = glm::vec3(-TILE_SIZE, 0.0f, 0.0f);
surface.stepY = glm::vec3(0.0f, -TILE_SIZE, 0.0f);
surface.minHeight = layer.minHeight;
surface.maxHeight = layer.maxHeight;
@ -750,8 +750,8 @@ void WaterRenderer::loadFromTerrain(const pipeline::ADTTerrain& terrain, bool ap
// Origin = chunk(0,0) position (NW corner of tile)
surface.origin = glm::vec3(chunk00.position[0], chunk00.position[1], groupHeight);
surface.position = surface.origin;
surface.stepX = glm::vec3(0.0f, -TILE_SIZE, 0.0f);
surface.stepY = glm::vec3(-TILE_SIZE, 0.0f, 0.0f);
surface.stepX = glm::vec3(-TILE_SIZE, 0.0f, 0.0f);
surface.stepY = glm::vec3(0.0f, -TILE_SIZE, 0.0f);
surface.minHeight = groupHeight;
surface.maxHeight = groupHeight;