allemang.d/toddcox-visualize
1
0
Fork 0
mirror of https://github.com/allemangD/toddcox-visualize.git synced 2025-11-10 12:02:47 -05:00
Code Issues Packages Projects Releases Wiki Activity

Add 4d navball navigation

Browse Source
This commit is contained in:
David Allemang
2022-02-16 10:01:52 -05:00
parent c302cc03a5
commit d3dad55801
3 changed files with 52 additions and 49 deletions
Download Patch File Download Diff File Expand all files Collapse all files

56
src/main.cpp
View File

@@ -12,10 +12,21 @@
#include <ml/meshlib_json.hpp>
struct State {
float bg[4] = {0.45f, 0.55f, 0.60f, 1.00f};
float fg[4] = {0.19f, 0.86f, 0.33f, 1.00f};
Eigen::Vector4f bg{0.45f, 0.55f, 0.60f, 1.00f};
Eigen::Vector4f fg{0.71f, 0.53f, 0.94f, 1.00f};
Eigen::Vector4f wf{0.95f, 0.95f, 0.95f, 1.00f};
Eigen::Matrix4f rot = Eigen::Matrix4f::Identity();
};
Eigen::Matrix4f rotor(int u, int v, float rad) {
Eigen::Matrix4f res = Eigen::Matrix4f::Identity();
res(u, u) = res(v, v) = cosf(rad);
res(u, v) = res(v, u) = sinf(rad);
res(u, v) *= -1;
return res;
}
void show_overlay(State &state) {
static std::string gl_vendor = (const char *) glGetString(GL_VENDOR);
static std::string gl_renderer = (const char *) glGetString(GL_RENDERER);
@@ -24,11 +35,11 @@ void show_overlay(State &state) {
ImGuiWindowFlags window_flags =
ImGuiWindowFlags_AlwaysAutoResize |
ImGuiWindowFlags_NoSavedSettings |
ImGuiWindowFlags_NoFocusOnAppearing |
ImGuiWindowFlags_NoNav |
ImGuiWindowFlags_NoBringToFrontOnFocus |
ImGuiWindowFlags_NoMove;
ImGuiWindowFlags_NoSavedSettings |
ImGuiWindowFlags_NoFocusOnAppearing |
ImGuiWindowFlags_NoNav |
ImGuiWindowFlags_NoBringToFrontOnFocus |
ImGuiWindowFlags_NoMove;
ImGuiStyle &style = ImGui::GetStyle();
const auto PAD = style.DisplaySafeAreaPadding;
@@ -56,8 +67,31 @@ void show_overlay(State &state) {
ImGui::Separator();
ImGui::ColorEdit3("Background", state.bg, ImGuiColorEditFlags_Float);
ImGui::ColorEdit3("Foreground", state.fg, ImGuiColorEditFlags_Float);
ImGui::ColorEdit3("Background", state.bg.data(), ImGuiColorEditFlags_Float);
ImGui::ColorEdit3("Foreground", state.fg.data(), ImGuiColorEditFlags_Float);
ImGui::ColorEdit3("Wireframe", state.wf.data(), ImGuiColorEditFlags_Float);
if (io.MouseDown[0] && !io.WantCaptureMouse) {
Eigen::Matrix4f rot = Eigen::Matrix4f::Identity();
Eigen::Vector2f del{io.MouseDelta.x, io.MouseDelta.y};
del /= 200.0f;
if (io.KeyShift) {
del /= 5.0f;
}
if (io.KeyCtrl) {
Eigen::Matrix4f rx = rotor(0, 3, -del.x());
Eigen::Matrix4f ry = rotor(1, 3, del.y());
rot = rx * ry;
} else {
Eigen::Matrix4f rx = rotor(0, 2, -del.x());
Eigen::Matrix4f ry = rotor(1, 2, del.y());
rot = rx * ry;
}
state.rot = rot * state.rot;
}
ImGui::End();
}
@@ -239,9 +273,10 @@ int run(GLFWwindow *window, ImGuiContext *context) {
glUseProgram(pgm);
glBindVertexArray(vao);
glUniform4fv(0, 1, state.fg);
glUniform4fv(0, 1, state.fg.data());
glUniform1f(1, (GLfloat) glfwGetTime());
glUniformMatrix4fv(2, 1, false, proj.data());
glUniformMatrix4fv(3, 1, false, state.rot.data());
glDrawElements(GL_TRIANGLES, (GLsizei) dynamic.cells().size(), GL_UNSIGNED_INT, nullptr);
glBindVertexArray(0);
glUseProgram(0);
@@ -251,6 +286,7 @@ int run(GLFWwindow *window, ImGuiContext *context) {
glUniform4fv(0, 1, state.fg);
glUniform1f(1, (GLfloat) glfwGetTime());
glUniformMatrix4fv(2, 1, false, proj.data());
glUniformMatrix4fv(3, 1, false, state.rot.data());
glDrawElements(GL_LINES, (GLsizei) wire_dynamic.cells().size(), GL_UNSIGNED_INT, nullptr);
glBindVertexArray(0);
glUseProgram(0);