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| author | Dan Goodliffe <dan@randomdan.homeip.net> | 2022-12-18 16:47:36 +0000 |
|---|---|---|
| committer | Dan Goodliffe <dan@randomdan.homeip.net> | 2022-12-18 16:47:36 +0000 |
| commit | fd16562719e89eb71fc065a7c46df892865af13f (patch) | |
| tree | a2f207228d94c0314b90c8e98489dd30252549fa /gfx/gl/camera.cpp | |
| parent | First cut of view scope shadow mapper view (diff) | |
| download | ilt-fd16562719e89eb71fc065a7c46df892865af13f.tar.bz2 ilt-fd16562719e89eb71fc065a7c46df892865af13f.tar.xz ilt-fd16562719e89eb71fc065a7c46df892865af13f.zip | |
No need to store view or unView
view is transient to create viewProjection, unview only needed on unproject
Diffstat (limited to 'gfx/gl/camera.cpp')
| -rw-r--r-- | gfx/gl/camera.cpp | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/gfx/gl/camera.cpp b/gfx/gl/camera.cpp index 31be9a6..ff706e7 100644 --- a/gfx/gl/camera.cpp +++ b/gfx/gl/camera.cpp @@ -14,15 +14,14 @@ Ray Camera::unProject(const glm::vec2 & mouse) const { static constexpr const glm::vec4 screen {0, 0, 1, 1}; - return {position, glm::normalize(glm::unProject(mouse ^ 1, unView, projection, screen))}; + const auto mouseProjection = glm::lookAt(::origin, forward, up); + return {position, glm::normalize(glm::unProject(mouse ^ 1, mouseProjection, projection, screen))}; } void Camera::updateView() { - view = glm::lookAt(position, position + forward, up); - unView = glm::lookAt(::origin, forward, up); - viewProjection = projection * view; + viewProjection = projection * glm::lookAt(position, position + forward, up); inverseViewProjection = glm::inverse(viewProjection); } |