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Fix matrix in GEVulkanCameraSceneNode::render

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This commit is contained in:
Benau 2022-07-07 13:08:44 +08:00
parent 8ab63edd30
commit fa72ef7246
1 changed files with 11 additions and 3 deletions
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14
lib/graphics_engine/src/ge_vulkan_camera_scene_node.cpp
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@ -1,5 +1,7 @@
#include "ge_vulkan_camera_scene_node.hpp" #include "ge_vulkan_camera_scene_node.hpp"
#include "ge_main.hpp"
#include "ge_vulkan_driver.hpp"
#include "ge_vulkan_dynamic_buffer.hpp" #include "ge_vulkan_dynamic_buffer.hpp"
namespace GE namespace GE
@ -29,16 +31,22 @@ void GEVulkanCameraSceneNode::render()
m_ubo_data.m_view_matrix = ViewArea.getTransform(irr::video::ETS_VIEW); m_ubo_data.m_view_matrix = ViewArea.getTransform(irr::video::ETS_VIEW);
m_ubo_data.m_projection_matrix = ViewArea.getTransform(irr::video::ETS_PROJECTION); m_ubo_data.m_projection_matrix = ViewArea.getTransform(irr::video::ETS_PROJECTION);
// Irrlicht matrix4 was originally designed for OpenGL,
// where the Y coordinate of the clip coordinates is inverted.
// The easiest way to compensate for that is to flip the sign on the
// scaling factor of the Y axis in the projection matrix.
m_ubo_data.m_projection_matrix(1, 1) *= -1.0f;
m_ubo_data.m_projection_matrix = getVKDriver()->getPreRotationMatrix() *
m_ubo_data.m_projection_matrix;
irr::core::matrix4 mat; irr::core::matrix4 mat;
ViewArea.getTransform(irr::video::ETS_VIEW).getInverse(mat); ViewArea.getTransform(irr::video::ETS_VIEW).getInverse(mat);
m_ubo_data.m_inverse_view_matrix = mat; m_ubo_data.m_inverse_view_matrix = mat;
ViewArea.getTransform(irr::video::ETS_PROJECTION).getInverse(mat); m_ubo_data.m_projection_matrix.getInverse(mat);
m_ubo_data.m_inverse_projection_matrix = mat; m_ubo_data.m_inverse_projection_matrix = mat;
mat = ViewArea.getTransform(irr::video::ETS_PROJECTION) * mat = m_ubo_data.m_projection_matrix * m_ubo_data.m_view_matrix;
ViewArea.getTransform(irr::video::ETS_VIEW);
m_ubo_data.m_projection_view_matrix = mat; m_ubo_data.m_projection_view_matrix = mat;
} // render } // render