updated submodules to new versions

ctracer @ eba2b2ea

-Subproject commit 56d33f9b69854c7339e8ddd71fe81095ddd5cc41
+Subproject commit eba2b2ea9437e71a38d2e625937fca052a8210d0

glow @ 69dc1e4c

-Subproject commit 07f89ff39a198aa740e6a373c9c3942c339a4028
+Subproject commit 69dc1e4c9564e9ee18a9615653a3f394fcdace03

glow-extras @ 16af2f43

-Subproject commit 604639239f867fe988208d370aa1f539981a2314
+Subproject commit 16af2f4380da22e1c2310fd3f1d9f9afd78cd223

imgui-lean @ fcf73e75

-Subproject commit 54a1be6c4bc6efd1f8fb367c7499d83762f0b081
+Subproject commit fcf73e7562f82dca7de2e66666e77cbbcc38be5b

typed-geometry @ 9e2b6e80

-Subproject commit 53b43d82d92c1d7e4768c09824c1e437efd0be46
+Subproject commit 9e2b6e809433cd885932dd48b057803df7ed2849

rtglive3/src/LiveApp.hh

@@ -45,7 +45,7 @@ struct camera
     tg::dir3 right() const { return normalize(cross(dir, up)); }
 
     tg::mat4 proj() const { return tg::perspective_opengl(70_deg, aspect_ratio, 0.1f, 100.f); }
-    tg::mat4 view() const { return tg::look_at(pos, dir, tg::vec3::unit_y); }
+    tg::mat4 view() const { return tg::look_at_opengl(pos, dir, tg::vec3::unit_y); }
 };
 
 class LiveApp : public glow::glfw::GlfwApp

rtglive4/src/LiveApp.hh

@@ -45,7 +45,7 @@ struct camera
     tg::dir3 right() const { return normalize(cross(dir, up)); }
 
     tg::mat4 proj() const { return tg::perspective_opengl(70_deg, aspect_ratio, 0.1f, 1000.f); }
-    tg::mat4 view() const { return tg::look_at(pos, dir, tg::vec3::unit_y); }
+    tg::mat4 view() const { return tg::look_at_opengl(pos, dir, tg::vec3::unit_y); }
 };
 
 class LiveApp : public glow::glfw::GlfwApp

rtglive5/src/LiveApp.hh

@@ -46,7 +46,7 @@ struct camera
     tg::dir3 right() const { return normalize(cross(dir, up)); }
 
     tg::mat4 proj() const { return tg::perspective_opengl(70_deg, aspect_ratio, 0.1f, 1000.f); }
-    tg::mat4 view() const { return tg::look_at(pos, dir, tg::vec3::unit_y); }
+    tg::mat4 view() const { return tg::look_at_opengl(pos, dir, tg::vec3::unit_y); }
 };
 
 class LiveApp : public glow::glfw::GlfwApp

rtglive6/src/LiveApp.hh

@@ -46,7 +46,7 @@ struct camera
     tg::dir3 right() const { return normalize(cross(dir, up)); }
 
     tg::mat4 proj() const { return tg::perspective_opengl(70_deg, aspect_ratio, 0.1f, 1000.f); }
-    tg::mat4 view() const { return tg::look_at(pos, dir, tg::vec3::unit_y); }
+    tg::mat4 view() const { return tg::look_at_opengl(pos, dir, tg::vec3::unit_y); }
 };
 
 class LiveApp : public glow::glfw::GlfwApp

rtglive7/src/LiveApp.hh

@@ -46,7 +46,7 @@ struct camera
     tg::dir3 right() const { return normalize(cross(dir, up)); }
 
     tg::mat4 proj() const { return tg::perspective_opengl(70_deg, aspect_ratio, 0.1f, 1000.f); }
-    tg::mat4 view() const { return tg::look_at(pos, dir, tg::vec3::unit_y); }
+    tg::mat4 view() const { return tg::look_at_opengl(pos, dir, tg::vec3::unit_y); }
 };
 
 class LiveApp : public glow::glfw::GlfwApp

rtglive8/src/LiveApp.hh

@@ -46,7 +46,7 @@ struct camera
     tg::dir3 right() const { return normalize(cross(dir, up)); }
 
     tg::mat4 proj() const { return tg::perspective_opengl(70_deg, aspect_ratio, 0.1f, 1000.f); }
-    tg::mat4 view() const { return tg::look_at(pos, dir, tg::vec3::unit_y); }
+    tg::mat4 view() const { return tg::look_at_opengl(pos, dir, tg::vec3::unit_y); }
 };
 
 enum class edit_mode

rtglive9/src/LiveApp.hh

@@ -46,7 +46,7 @@ struct camera
     tg::dir3 right() const { return normalize(cross(dir, up)); }
 
     tg::mat4 proj() const { return tg::perspective_opengl(70_deg, aspect_ratio, 0.1f, 1000.f); }
-    tg::mat4 view() const { return tg::look_at(pos, dir, tg::vec3::unit_y); }
+    tg::mat4 view() const { return tg::look_at_opengl(pos, dir, tg::vec3::unit_y); }
 };
 
 enum class edit_mode