diff --git a/samples/basic/viewer/main.cc b/samples/basic/viewer/main.cc
index 3c9a29be37cd03ce990ac59aed39247f6de5c5b5..3737540614fa6e3c3d8a5136a7339ed2658a61ae 100644
--- a/samples/basic/viewer/main.cc
+++ b/samples/basic/viewer/main.cc
@@ -199,90 +199,88 @@ void imguizmo(pm::vertex_attribute<tg::pos3> const& pos)
auto transform = tg::mat4::identity;
// an interactive view is required
- gv::interactive(
- [&](float)
+ gv::interactive([&](float) {
+ // you can define keybindings to select an operation
+ if (ImGui::IsKeyPressed(GLFW_KEY_T))
+ currentGizmoOperation = ImGuizmo::TRANSLATE;
+ if (ImGui::IsKeyPressed(GLFW_KEY_R))
+ currentGizmoOperation = ImGuizmo::ROTATE;
+ if (ImGui::IsKeyPressed(GLFW_KEY_S))
+ currentGizmoOperation = ImGuizmo::SCALE;
+
+ // you can also choose the correct operation using gui elements
+ if (ImGui::RadioButton("Translate", currentGizmoOperation == ImGuizmo::TRANSLATE))
+ currentGizmoOperation = ImGuizmo::TRANSLATE;
+ ImGui::SameLine();
+ if (ImGui::RadioButton("Rotate", currentGizmoOperation == ImGuizmo::ROTATE))
+ currentGizmoOperation = ImGuizmo::ROTATE;
+ ImGui::SameLine();
+ if (ImGui::RadioButton("Scale", currentGizmoOperation == ImGuizmo::SCALE))
+ currentGizmoOperation = ImGuizmo::SCALE;
+
+ // ImGuizmo decomposes your input transform into translation, rotation, and scaling components
+ float matrixTranslation[3], matrixRotation[3], matrixScale[3];
+ ImGuizmo::DecomposeMatrixToComponents(&transform[0][0], matrixTranslation, matrixRotation, matrixScale);
+
+ // show the three components individually
+ ImGui::InputFloat3("Tr", matrixTranslation);
+ ImGui::InputFloat3("Rt", matrixRotation);
+ ImGui::InputFloat3("Sc", matrixScale);
+
+ // rebuild your 4x4 transform matrix
+ ImGuizmo::RecomposeMatrixFromComponents(matrixTranslation, matrixRotation, matrixScale, &transform[0][0]);
+
+ // only show the radio button to choose local/global coordinate system when NOT scaling
+ // as scaling is always in local coordinates
+ if (currentGizmoOperation != ImGuizmo::SCALE)
{
- // you can define keybindings to select an operation
- if (ImGui::IsKeyPressed(GLFW_KEY_T))
- currentGizmoOperation = ImGuizmo::TRANSLATE;
- if (ImGui::IsKeyPressed(GLFW_KEY_R))
- currentGizmoOperation = ImGuizmo::ROTATE;
- if (ImGui::IsKeyPressed(GLFW_KEY_S))
- currentGizmoOperation = ImGuizmo::SCALE;
-
- // you can also choose the correct operation using gui elements
- if (ImGui::RadioButton("Translate", currentGizmoOperation == ImGuizmo::TRANSLATE))
- currentGizmoOperation = ImGuizmo::TRANSLATE;
+ if (ImGui::RadioButton("Local", currentGizmoMode == ImGuizmo::LOCAL))
+ currentGizmoMode = ImGuizmo::LOCAL;
ImGui::SameLine();
- if (ImGui::RadioButton("Rotate", currentGizmoOperation == ImGuizmo::ROTATE))
- currentGizmoOperation = ImGuizmo::ROTATE;
- ImGui::SameLine();
- if (ImGui::RadioButton("Scale", currentGizmoOperation == ImGuizmo::SCALE))
- currentGizmoOperation = ImGuizmo::SCALE;
-
- // ImGuizmo decomposes your input transform into translation, rotation, and scaling components
- float matrixTranslation[3], matrixRotation[3], matrixScale[3];
- ImGuizmo::DecomposeMatrixToComponents(&transform[0][0], matrixTranslation, matrixRotation, matrixScale);
-
- // show the three components individually
- ImGui::InputFloat3("Tr", matrixTranslation);
- ImGui::InputFloat3("Rt", matrixRotation);
- ImGui::InputFloat3("Sc", matrixScale);
-
- // rebuild your 4x4 transform matrix
- ImGuizmo::RecomposeMatrixFromComponents(matrixTranslation, matrixRotation, matrixScale, &transform[0][0]);
-
- // only show the radio button to choose local/global coordinate system when NOT scaling
- // as scaling is always in local coordinates
- if (currentGizmoOperation != ImGuizmo::SCALE)
- {
- if (ImGui::RadioButton("Local", currentGizmoMode == ImGuizmo::LOCAL))
- currentGizmoMode = ImGuizmo::LOCAL;
- ImGui::SameLine();
- if (ImGui::RadioButton("World", currentGizmoMode == ImGuizmo::WORLD))
- currentGizmoMode = ImGuizmo::WORLD;
- }
+ if (ImGui::RadioButton("World", currentGizmoMode == ImGuizmo::WORLD))
+ currentGizmoMode = ImGuizmo::WORLD;
+ }
- // toggle snap on p key
- if (ImGui::IsKeyPressed(GLFW_KEY_P))
- useSnap = !useSnap;
+ // toggle snap on p key
+ if (ImGui::IsKeyPressed(GLFW_KEY_P))
+ useSnap = !useSnap;
- // ... or use gui elements
- ImGui::Checkbox("", &useSnap);
- ImGui::SameLine();
+ // ... or use gui elements
+ ImGui::Checkbox("", &useSnap);
+ ImGui::SameLine();
- // name the snap input accordingly
- switch (currentGizmoOperation)
- {
- case ImGuizmo::TRANSLATE:
- ImGui::InputFloat3("Snap", snap);
- break;
- case ImGuizmo::ROTATE:
- ImGui::InputFloat("Angle Snap", snap);
- break;
- case ImGuizmo::SCALE:
- ImGui::InputFloat("Scale Snap", snap);
- break;
- default: // silence warnings as there are quite a few more possible operations supported by ImGuizmo
- break; // do nothing
- }
+ // name the snap input accordingly
+ switch (currentGizmoOperation)
+ {
+ case ImGuizmo::TRANSLATE:
+ ImGui::InputFloat3("Snap", snap);
+ break;
+ case ImGuizmo::ROTATE:
+ ImGui::InputFloat("Angle Snap", snap);
+ break;
+ case ImGuizmo::SCALE:
+ ImGui::InputFloat("Scale Snap", snap);
+ break;
+ default: // silence warnings as there are quite a few more possible operations supported by ImGuizmo
+ break; // do nothing
+ }
- // ImGuizmo requires view and projection matrix for rendering.
- // However, it does not work with a reversed z projection matrix, which is used by the viewer by default
- // So we need to disable it temporarily, generate a projection matrix without it, and then reactivate it
- auto view = cam->computeViewMatrix();
- auto const rev_z_enabled = cam->reverseZEnabled();
- cam->setReverseZEnabled(false); //
- auto project = cam->computeProjMatrix();
- cam->setReverseZEnabled(rev_z_enabled);
-
- // This is where all the ImGuizmo magic comes together
- ImGuizmo::Manipulate(&view[0][0], &project[0][0], currentGizmoOperation, currentGizmoMode, &transform[0][0], nullptr, useSnap ? &snap[0] : nullptr);
-
- // Because the view is resized when we change the object, it might be a good idea to pass the viewer a fixed bounding box
- auto const aabb = tg::aabb3(tg::pos3(-2), tg::pos3(2));
- gv::view(r, cam, transform, aabb);
- });
+ // ImGuizmo requires view and projection matrix for rendering.
+ // However, it does not work with a reversed z projection matrix, which is used by the viewer by default
+ // So we need to disable it temporarily, generate a projection matrix without it, and then reactivate it
+ auto view = cam->computeViewMatrix();
+ auto const rev_z_enabled = cam->reverseZEnabled();
+ cam->setReverseZEnabled(false); //
+ auto project = cam->computeProjMatrix();
+ cam->setReverseZEnabled(rev_z_enabled);
+
+ // This is where all the ImGuizmo magic comes together
+ ImGuizmo::Manipulate(&view[0][0], &project[0][0], currentGizmoOperation, currentGizmoMode, &transform[0][0], nullptr, useSnap ? &snap[0] : nullptr);
+
+ // Because the view is resized when we change the object, it might be a good idea to pass the viewer a fixed bounding box
+ auto const aabb = tg::aabb3(tg::pos3(-2), tg::pos3(2));
+ gv::view(r, cam, transform, aabb);
+ });
}
void advanced_visualization(pm::vertex_attribute<tg::pos3> const& pos)
@@ -535,12 +533,10 @@ void advanced_configs(pm::vertex_attribute<tg::pos3> const& pos)
}
// custom configure function
- gv::view(pos, "config via lambda",
- [](gv::SceneConfig& cfg)
- {
- cfg.enableShadows = false;
- cfg.bgColorInner = {1, 0, 1};
- });
+ gv::view(pos, "config via lambda", [](gv::SceneConfig& cfg) {
+ cfg.enableShadows = false;
+ cfg.bgColorInner = {1, 0, 1};
+ });
}
void advanced_layouting(pm::vertex_attribute<tg::pos3> const& pos)
@@ -736,45 +732,38 @@ void interactive_viewer(pm::vertex_attribute<tg::pos3> const& pos)
// the scene config and all renderables are hashed and the viewer accumulation is cleared when the hash changes
// a simple interactive viewer with some interactive-related controls
- gv::interactive(
- [&](auto)
- {
- if (ImGui::Button("make screenshot"))
- gv::make_screenshot("screenshot.png", 1920, 1080);
+ gv::interactive([&](auto) {
+ if (ImGui::Button("make screenshot"))
+ gv::make_screenshot("screenshot.png", 1920, 1080);
- if (ImGui::Button("close viewer"))
- gv::close_viewer();
+ if (ImGui::Button("close viewer"))
+ gv::close_viewer();
- gv::view(pos, "interactive viewer with custom buttons. It is slow because nothing is cached.");
- });
+ gv::view(pos, "interactive viewer with custom buttons. It is slow because nothing is cached.");
+ });
// creating renderables is expensive, cache them whenever possible
// NOTE: capture by value if the interactive viewer is not the top-most viewer
{
auto const r = gv::make_renderable(pos);
- gv::interactive(
- [r](auto dt)
- {
- static auto time = 0.f;
- time += dt;
+ gv::interactive([r](auto dt) {
+ static auto time = 0.f;
+ time += dt;
- gv::view(r, tg::translation(tg::vec3(tg::sin(tg::radians(time * .5f)) * .5f, 0.f, 0.f)),
- "Caching renderables in interactive views increases performance.");
- });
+ gv::view(r, tg::translation(tg::vec3(tg::sin(tg::radians(time * .5f)) * .5f, 0.f, 0.f)), "Caching renderables in interactive views increases performance.");
+ });
}
// using imgui in an interactive view
{
auto const r = gv::make_renderable(pos);
- gv::interactive(
- [r](auto)
- {
- static float configurable = 0.f;
+ gv::interactive([r](auto) {
+ static float configurable = 0.f;
- ImGui::SliderFloat("Height", &configurable, -3.f, 3.f);
+ ImGui::SliderFloat("Height", &configurable, -3.f, 3.f);
- gv::view(r, tg::translation(tg::vec3(0.f, configurable, 0.f)), "interactive translation of a model");
- });
+ gv::view(r, tg::translation(tg::vec3(0.f, configurable, 0.f)), "interactive translation of a model");
+ });
}
// an interactive textured torus with animated texture coordinates
@@ -787,8 +776,7 @@ void interactive_viewer(pm::vertex_attribute<tg::pos3> const& pos)
auto uv = m.vertices().make_attribute<tg::pos2>();
pm::objects::add_quad(
m,
- [&](pm::vertex_handle v, float x, float y)
- {
+ [&](pm::vertex_handle v, float x, float y) {
auto [cx, sx] = tg::sin_cos(tg::pi<float> * 2 * x);
auto [cy, sy] = tg::sin_cos(tg::pi<float> * 2 * y);
@@ -811,20 +799,18 @@ void interactive_viewer(pm::vertex_attribute<tg::pos3> const& pos)
auto a = 0.f;
auto animate = false;
- gv::interactive(
- [&](auto dt)
- {
- ImGui::Begin("Torus");
- ImGui::SliderFloat("angle", &a, 0.f, 360.f);
- ImGui::Checkbox("Animate", &animate);
- ImGui::End();
+ gv::interactive([&](auto dt) {
+ ImGui::Begin("Torus");
+ ImGui::SliderFloat("angle", &a, 0.f, 360.f);
+ ImGui::Checkbox("Animate", &animate);
+ ImGui::End();
- if (animate)
- a += 5 * dt;
+ if (animate)
+ a += 5 * dt;
- // texture coordinates are rotated by "a" degrees
- view(pos, gv::textured(uv, tex).transform(tg::rotation_around(tg::pos2::zero, tg::degree(a))), "animated texture coordinates");
- });
+ // texture coordinates are rotated by "a" degrees
+ view(pos, gv::textured(uv, tex).transform(tg::rotation_around(tg::pos2::zero, tg::degree(a))), "animated texture coordinates");
+ });
}
}
@@ -937,59 +923,48 @@ void picking(pm::Mesh& m, pm::vertex_attribute<tg::pos3>& pos, pm::face_attribut
auto g = gv::grid();
// Only on_left_click callback defined
- gv::view(pos, col,
- gv::pick().onLeftClick(
- [&](pm::face_index face_id, tg::pos3 world_pos, tg::vec3 normal) -> gv::picking_result
- {
- std::cout << "Something has been picked! ON_LEFT_CLICK"
- << "ID: " << (int)face_id << std::endl;
- std::cout << "World_Position " << world_pos << std::endl;
- std::cout << "Normal " << normal << std::endl;
- gv::picking_result res;
- res.pickingColor = tg::color3::cyan;
- return res;
- }),
+ gv::view(pos, col, gv::pick().onLeftClick([&](pm::face_index face_id, tg::pos3 world_pos, tg::vec3 normal) -> gv::picking_result {
+ std::cout << "Something has been picked! ON_LEFT_CLICK"
+ << "ID: " << (int)face_id << std::endl;
+ std::cout << "World_Position " << world_pos << std::endl;
+ std::cout << "Normal " << normal << std::endl;
+ gv::picking_result res;
+ res.pickingColor = tg::color3::cyan;
+ return res;
+ }),
"picking MeshRenderable - callback on left click");
// Only on_left_click callback defined - LineRenderable - uncolored
- gv::view(gv::lines(pos),
- gv::pick().onLeftClick(
- [&](pm::face_index face_id, tg::pos3 world_pos, tg::vec3 normal)
- {
- std::cout << "Something has been picked! ON_LEFT_CLICK"
- << "ID: " << int(face_id) << std::endl;
- std::cout << "World_Position" << world_pos << std::endl;
- std::cout << "Normal" << normal << std::endl;
- }),
+ gv::view(gv::lines(pos), gv::pick().onLeftClick([&](pm::face_index face_id, tg::pos3 world_pos, tg::vec3 normal) {
+ std::cout << "Something has been picked! ON_LEFT_CLICK"
+ << "ID: " << int(face_id) << std::endl;
+ std::cout << "World_Position" << world_pos << std::endl;
+ std::cout << "Normal" << normal << std::endl;
+ }),
"picking LineRenderable - callback on left click");
{
// Only on_left_click callback defined - PointRenderable - uncolored
- gv::view(gv::points(pos),
- gv::pick().onLeftClick(
- [&](pm::vertex_index vertex_id, tg::pos3 world_pos, tg::vec3 normal)
- {
- std::cout << "Something has been picked! ON_LEFT_CLICK"
- << "ID: " << int(vertex_id) << std::endl;
- std::cout << "World_Position" << world_pos << std::endl;
- std::cout << "Normal" << normal << std::endl;
- return;
- }),
+ gv::view(gv::points(pos), gv::pick().onLeftClick([&](pm::vertex_index vertex_id, tg::pos3 world_pos, tg::vec3 normal) {
+ std::cout << "Something has been picked! ON_LEFT_CLICK"
+ << "ID: " << int(vertex_id) << std::endl;
+ std::cout << "World_Position" << world_pos << std::endl;
+ std::cout << "Normal" << normal << std::endl;
+ return;
+ }),
"picking PointRenderable - callback on left click - spheres");
}
{
// Only on_left_click callback defined - PointRenderable - uncolored - square billboards - NOT WORKING APPROPRIATELY
gv::view(gv::points(pos).point_size_world(0.03f).camera_facing().square(),
- gv::pick().onLeftClick(
- [&](pm::vertex_index vertex_id, tg::pos3 world_pos, tg::vec3 normal)
- {
- std::cout << "Something has been picked! ON_LEFT_CLICK"
- << "ID: " << int(vertex_id) << std::endl;
- std::cout << "World_Position" << world_pos << std::endl;
- std::cout << "Normal" << normal << std::endl;
- return;
- }),
+ gv::pick().onLeftClick([&](pm::vertex_index vertex_id, tg::pos3 world_pos, tg::vec3 normal) {
+ std::cout << "Something has been picked! ON_LEFT_CLICK"
+ << "ID: " << int(vertex_id) << std::endl;
+ std::cout << "World_Position" << world_pos << std::endl;
+ std::cout << "Normal" << normal << std::endl;
+ return;
+ }),
"picking PointRenderables - callback on left click - billboards");
}
}
@@ -998,25 +973,19 @@ void picking(pm::Mesh& m, pm::vertex_attribute<tg::pos3>& pos, pm::face_attribut
auto g = gv::grid();
// Only on_right_click callback defined
- gv::view(pos, col,
- gv::pick().onRightClick(
- [&](pm::face_index face_id, tg::pos3 world_pos, tg::vec3 normal)
- {
- std::cout << "Something has been picked! ON_RIGHT_CLICK"
- << "ID: " << int(face_id) << std::endl;
- return;
- }),
+ gv::view(pos, col, gv::pick().onRightClick([&](pm::face_index face_id, tg::pos3 world_pos, tg::vec3 normal) {
+ std::cout << "Something has been picked! ON_RIGHT_CLICK"
+ << "ID: " << int(face_id) << std::endl;
+ return;
+ }),
"picking MeshRenderable - callback on right click");
// Only on_hover callback defined
- gv::view(pos, col,
- gv::pick().onHover(
- [&](pm::face_index face_id, tg::pos3 world_pos, tg::vec3 normal)
- {
- std::cout << "Something has been picked! ON_HOVER"
- << "ID: " << (int)face_id << std::endl;
- return;
- }),
+ gv::view(pos, col, gv::pick().onHover([&](pm::face_index face_id, tg::pos3 world_pos, tg::vec3 normal) {
+ std::cout << "Something has been picked! ON_HOVER"
+ << "ID: " << (int)face_id << std::endl;
+ return;
+ }),
"picking MeshRenderable - callback on hover");
}
@@ -1033,45 +1002,40 @@ void picking(pm::Mesh& m, pm::vertex_attribute<tg::pos3>& pos, pm::face_attribut
pm::vertex_attribute<tg::pos3> pos2(m2);
pos2.copy_from(pos);
- gv::interactive(
- [&](auto)
+ gv::interactive([&](auto) {
+ gv::view(pos2, col, gv::pick().onLeftClick([&](pm::face_index face_id, tg::pos3 world_pos, tg::vec3 normal) {
+ std::cout << "Something has been picked! ON_LEFT_CLICK"
+ << "ID: " << int(face_id) << std::endl;
+ std::cout << "World_Position" << world_pos << std::endl;
+ std::cout << "Normal" << normal << std::endl;
+
+ face_index_i = face_id;
+ world_pos_i = world_pos;
+ normal_i = normal;
+ }),
+ "picking interactive mode - callback on left click - delete selected face");
+
+ ImGui::Begin("Picking");
+
+ ImGui::Value("pm::face_index", face_index_i.value);
+
+ ImGui::Value("WorldPos.x", world_pos_i.x);
+ ImGui::Value("WorldPos.y", world_pos_i.y);
+ ImGui::Value("WorldPos.z", world_pos_i.z);
+
+ ImGui::Value("Normal.x", normal_i.x);
+ ImGui::Value("Normal.y", normal_i.y);
+ ImGui::Value("Normal.z", normal_i.z);
+
+ if (ImGui::Button("Delete selected face"))
{
- gv::view(pos2, col,
- gv::pick().onLeftClick(
- [&](pm::face_index face_id, tg::pos3 world_pos, tg::vec3 normal)
- {
- std::cout << "Something has been picked! ON_LEFT_CLICK"
- << "ID: " << int(face_id) << std::endl;
- std::cout << "World_Position" << world_pos << std::endl;
- std::cout << "Normal" << normal << std::endl;
-
- face_index_i = face_id;
- world_pos_i = world_pos;
- normal_i = normal;
- }),
- "picking interactive mode - callback on left click - delete selected face");
-
- ImGui::Begin("Picking");
-
- ImGui::Value("pm::face_index", face_index_i.value);
-
- ImGui::Value("WorldPos.x", world_pos_i.x);
- ImGui::Value("WorldPos.y", world_pos_i.y);
- ImGui::Value("WorldPos.z", world_pos_i.z);
-
- ImGui::Value("Normal.x", normal_i.x);
- ImGui::Value("Normal.y", normal_i.y);
- ImGui::Value("Normal.z", normal_i.z);
-
- if (ImGui::Button("Delete selected face"))
- {
- // delete selected face - after deleting one face another face has to be picked
- std::cout << "DELETE FACE" << std::endl;
- m2.faces().remove(m2.faces()[face_index_i]);
- }
-
- ImGui::End();
- });
+ // delete selected face - after deleting one face another face has to be picked
+ std::cout << "DELETE FACE" << std::endl;
+ m2.faces().remove(m2.faces()[face_index_i]);
+ }
+
+ ImGui::End();
+ });
}
{
@@ -1087,74 +1051,64 @@ void picking(pm::Mesh& m, pm::vertex_attribute<tg::pos3>& pos, pm::face_attribut
pm::vertex_attribute<tg::pos3> pos2(m2);
pos2.copy_from(pos);
- gv::interactive(
- [&](auto)
+ gv::interactive([&](auto) {
+ gv::view(gv::points(pos2),
+ gv::pick().onLeftClick([&vertex_index_i, &world_pos_i, &normal_i](pm::vertex_index vertex_id, tg::pos3 world_pos, tg::vec3 normal) {
+ std::cout << "Something has been picked! ON_LEFT_CLICK"
+ << "ID: " << int(vertex_id) << std::endl;
+ std::cout << "World_Position" << world_pos << std::endl;
+ std::cout << "Normal" << normal << std::endl;
+
+ vertex_index_i = vertex_id;
+ world_pos_i = world_pos;
+ normal_i = normal;
+
+ return;
+ }),
+ "picking interactive mode - PointRenderable");
+
+ ImGui::Begin("Picking");
+
+ ImGui::Value("pm::vertex_index", vertex_index_i.value);
+
+ ImGui::Value("WorldPos.x", world_pos_i.x);
+ ImGui::Value("WorldPos.y", world_pos_i.y);
+ ImGui::Value("WorldPos.z", world_pos_i.z);
+
+ ImGui::Value("Normal.x", normal_i.x);
+ ImGui::Value("Normal.y", normal_i.y);
+ ImGui::Value("Normal.z", normal_i.z);
+
+ if (ImGui::Button("Delete selected vertex"))
{
- gv::view(gv::points(pos2),
- gv::pick().onLeftClick(
- [&vertex_index_i, &world_pos_i, &normal_i](pm::vertex_index vertex_id, tg::pos3 world_pos, tg::vec3 normal)
- {
- std::cout << "Something has been picked! ON_LEFT_CLICK"
- << "ID: " << int(vertex_id) << std::endl;
- std::cout << "World_Position" << world_pos << std::endl;
- std::cout << "Normal" << normal << std::endl;
-
- vertex_index_i = vertex_id;
- world_pos_i = world_pos;
- normal_i = normal;
-
- return;
- }),
- "picking interactive mode - PointRenderable");
-
- ImGui::Begin("Picking");
-
- ImGui::Value("pm::vertex_index", vertex_index_i.value);
-
- ImGui::Value("WorldPos.x", world_pos_i.x);
- ImGui::Value("WorldPos.y", world_pos_i.y);
- ImGui::Value("WorldPos.z", world_pos_i.z);
-
- ImGui::Value("Normal.x", normal_i.x);
- ImGui::Value("Normal.y", normal_i.y);
- ImGui::Value("Normal.z", normal_i.z);
-
- if (ImGui::Button("Delete selected vertex"))
- {
- // delete selected vertex - after deleting one vertex another vertex has to be picked
- std::cout << "DELETE VERTEX" << std::endl;
- m2.vertices().remove(m2.vertices()[vertex_index_i]);
- }
-
- ImGui::End();
- });
+ // delete selected vertex - after deleting one vertex another vertex has to be picked
+ std::cout << "DELETE VERTEX" << std::endl;
+ m2.vertices().remove(m2.vertices()[vertex_index_i]);
+ }
+
+ ImGui::End();
+ });
}
{
// On_hover, on_right_click, and on_left_click callbacks defined simultaneously
gv::view(pos, col,
gv::pick()
- .onLeftClick(
- [&](pm::face_index face_id, tg::pos3 world_pos, tg::vec3 normal)
- {
- std::cout << "Something has been picked! ON_LEFT_CLICK"
- << "ID: " << int(face_id) << std::endl;
- return;
- })
- .onRightClick(
- [&](pm::face_index face_id, tg::pos3 world_pos, tg::vec3 normal)
- {
- std::cout << "Something has been picked! ON_RIGHT_CLICK"
- << "ID: " << int(face_id) << std::endl;
- return;
- })
- .onHover(
- [&](pm::face_index face_id, tg::pos3 world_pos, tg::vec3 normal)
- {
- std::cout << "Something has been picked! ON_HOVER"
- << "ID: " << int(face_id) << std::endl;
- return;
- }),
+ .onLeftClick([&](pm::face_index face_id, tg::pos3 world_pos, tg::vec3 normal) {
+ std::cout << "Something has been picked! ON_LEFT_CLICK"
+ << "ID: " << int(face_id) << std::endl;
+ return;
+ })
+ .onRightClick([&](pm::face_index face_id, tg::pos3 world_pos, tg::vec3 normal) {
+ std::cout << "Something has been picked! ON_RIGHT_CLICK"
+ << "ID: " << int(face_id) << std::endl;
+ return;
+ })
+ .onHover([&](pm::face_index face_id, tg::pos3 world_pos, tg::vec3 normal) {
+ std::cout << "Something has been picked! ON_HOVER"
+ << "ID: " << int(face_id) << std::endl;
+ return;
+ }),
"picking MeshRenderable - multiple callbacks: on left click, on right click, on hover");
}
@@ -1167,18 +1121,15 @@ void picking(pm::Mesh& m, pm::vertex_attribute<tg::pos3>& pos, pm::face_attribut
fa[f] = 1000 + i;
i++;
}
- gv::view(pos, col,
- gv::pick(fa).onLeftClick(
- [&](pm::face_index face_id, tg::pos3 world_pos, tg::vec3 normal) -> gv::picking_result
- {
- std::cout << "Something has been picked! ON_LEFT_CLICK"
- << "ID: " << (int)face_id << std::endl;
- std::cout << "World_Position" << world_pos << std::endl;
- std::cout << "Normal" << normal << std::endl;
- gv::picking_result res;
- res.pickingColor = tg::color3::cyan;
- return res;
- }),
+ gv::view(pos, col, gv::pick(fa).onLeftClick([&](pm::face_index face_id, tg::pos3 world_pos, tg::vec3 normal) -> gv::picking_result {
+ std::cout << "Something has been picked! ON_LEFT_CLICK"
+ << "ID: " << (int)face_id << std::endl;
+ std::cout << "World_Position" << world_pos << std::endl;
+ std::cout << "Normal" << normal << std::endl;
+ gv::picking_result res;
+ res.pickingColor = tg::color3::cyan;
+ return res;
+ }),
"simple picking: callback on left click - user-defined IDs");
}
@@ -1186,17 +1137,15 @@ void picking(pm::Mesh& m, pm::vertex_attribute<tg::pos3>& pos, pm::face_attribut
auto v = gv::view(pos, "pciking multiple renderables: different callbacks defined");
// Check multiple Renderables.
- gv::view(pos, gv::pick().onHover(
- [&](pm::face_index face_id, tg::pos3 world_pos, tg::vec3 normal) -> gv::picking_result
- {
- std::cout << "Something has been picked! PICKER 1 "
- << "ID: " << (int)face_id << std::endl;
- std::cout << "World_Position" << world_pos << std::endl;
- std::cout << "Normal" << normal << std::endl;
- gv::picking_result res;
- res.pickingColor = tg::color3::cyan;
- return res;
- }));
+ gv::view(pos, gv::pick().onHover([&](pm::face_index face_id, tg::pos3 world_pos, tg::vec3 normal) -> gv::picking_result {
+ std::cout << "Something has been picked! PICKER 1 "
+ << "ID: " << (int)face_id << std::endl;
+ std::cout << "World_Position" << world_pos << std::endl;
+ std::cout << "Normal" << normal << std::endl;
+ gv::picking_result res;
+ res.pickingColor = tg::color3::cyan;
+ return res;
+ }));
pm::Mesh m2;
m2.copy_from(m);
@@ -1209,17 +1158,15 @@ void picking(pm::Mesh& m, pm::vertex_attribute<tg::pos3>& pos, pm::face_attribut
pos2[p] = pos2[p] + tg::vec3(2, 2, 2);
}
- gv::view(pos2, gv::pick().onLeftClick(
- [&](pm::face_index face_id, tg::pos3 world_pos, tg::vec3 normal) -> gv::picking_result
- {
- std::cout << "Something has been picked! PICKER 2 "
- << "ID: " << (int)face_id << std::endl;
- std::cout << "World_Position" << world_pos << std::endl;
- std::cout << "Normal" << normal << std::endl;
- gv::picking_result res;
- res.pickingColor = tg::color3::cyan;
- return res;
- }));
+ gv::view(pos2, gv::pick().onLeftClick([&](pm::face_index face_id, tg::pos3 world_pos, tg::vec3 normal) -> gv::picking_result {
+ std::cout << "Something has been picked! PICKER 2 "
+ << "ID: " << (int)face_id << std::endl;
+ std::cout << "World_Position" << world_pos << std::endl;
+ std::cout << "Normal" << normal << std::endl;
+ gv::picking_result res;
+ res.pickingColor = tg::color3::cyan;
+ return res;
+ }));
}
}
@@ -1330,27 +1277,23 @@ void special_use_cases(pm::vertex_attribute<tg::pos3> const& pos)
{
auto const r = gv::make_renderable(pos);
- gv::interactive(
- [r](auto dt)
- {
- static auto time = 0.f;
- time += dt;
+ gv::interactive([r](auto dt) {
+ static auto time = 0.f;
+ time += dt;
- // gv::view_cleared creates an always cleared view, resetting accumulation each frame
- gv::view_cleared(r, tg::translation(tg::vec3(tg::sin(tg::radians(time * .5f)) * .5f, 0.f, 0.f)));
- });
+ // gv::view_cleared creates an always cleared view, resetting accumulation each frame
+ gv::view_cleared(r, tg::translation(tg::vec3(tg::sin(tg::radians(time * .5f)) * .5f, 0.f, 0.f)));
+ });
- gv::interactive(
- [r](auto)
- {
- static float configurable = 0.f;
+ gv::interactive([r](auto) {
+ static float configurable = 0.f;
- auto changed = false;
- changed |= ImGui::SliderFloat("Height", &configurable, -3.f, 3.f);
+ auto changed = false;
+ changed |= ImGui::SliderFloat("Height", &configurable, -3.f, 3.f);
- // gv::clear_accumulation conditionally clears the view accumulation
- gv::view(r, tg::translation(tg::vec3(0.f, configurable, 0.f)), gv::clear_accumulation(changed));
- });
+ // gv::clear_accumulation conditionally clears the view accumulation
+ gv::view(r, tg::translation(tg::vec3(0.f, configurable, 0.f)), gv::clear_accumulation(changed));
+ });
}
}