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This commit is contained in:
Dan Paulat 2023-08-28 00:15:57 -05:00
parent 37d751774d
commit 8dfb9f1105
14 changed files with 243 additions and 36 deletions
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23
scwx-qt/source/scwx/qt/util/maplibre.cpp
View file

@ -20,6 +20,29 @@ GetMapDistance(const QMapLibreGL::CustomLayerRenderParameters& params)
(params.width + params.height) / 2.0);
}
glm::mat4 GetMapMatrix(const QMapLibreGL::CustomLayerRenderParameters& params)
{
glm::vec2 scale = GetMapScale(params);
glm::mat4 mapMatrix(1.0f);
mapMatrix = glm::scale(mapMatrix, glm::vec3(scale, 1.0f));
mapMatrix = glm::rotate(mapMatrix,
glm::radians<float>(params.bearing),
glm::vec3(0.0f, 0.0f, 1.0f));
return mapMatrix;
}
glm::vec2 GetMapScale(const QMapLibreGL::CustomLayerRenderParameters& params)
{
const float scale = std::pow(2.0, params.zoom) * 2.0f *
mbgl::util::tileSize_D / mbgl::util::DEGREES_MAX;
const float xScale = scale / params.width;
const float yScale = scale / params.height;
return glm::vec2 {xScale, yScale};
}
glm::vec2 LatLongToScreenCoordinate(const QMapLibreGL::Coordinate& coordinate)
{
static constexpr double RAD2DEG_D = 180.0 / M_PI;

2
scwx-qt/source/scwx/qt/util/maplibre.hpp
View file

@ -15,6 +15,8 @@ namespace maplibre
units::length::meters<double>
GetMapDistance(const QMapLibreGL::CustomLayerRenderParameters& params);
glm::mat4 GetMapMatrix(const QMapLibreGL::CustomLayerRenderParameters& params);
glm::vec2 GetMapScale(const QMapLibreGL::CustomLayerRenderParameters& params);
glm::vec2 LatLongToScreenCoordinate(const QMapLibreGL::Coordinate& coordinate);
} // namespace maplibre