Merge pull request #155 from orange-cpp/feaute/examples-folders

retructurized examples

CMakeLists.txt

@@ -130,11 +130,10 @@ set_target_properties(
                CXX_STANDARD 23
                CXX_STANDARD_REQUIRED ON)
 
-if (OMATH_STATIC_MSVC_RUNTIME_LIBRARY)
+if(OMATH_STATIC_MSVC_RUNTIME_LIBRARY)
-    set_target_properties(${PROJECT_NAME} PROPERTIES
+    set_target_properties(${PROJECT_NAME} PROPERTIES MSVC_RUNTIME_LIBRARY
-            MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>"
+                                                     "MultiThreaded$<$<CONFIG:Debug>:Debug>")
-    )
+endif()
-endif ()
 
 if(OMATH_USE_AVX2)
     if(MSVC)

examples/CMakeLists.txt

@@ -1,35 +1,7 @@
-project(examples)
+add_subdirectory(example_barycentric)
-
+add_subdirectory(example_glfw3)
-add_executable(example_projection_matrix_builder example_proj_mat_builder.cpp)
+add_subdirectory(example_proj_mat_builder)
-set_target_properties(
+add_subdirectory(example_signature_scan)
-    example_projection_matrix_builder
-    PROPERTIES CXX_STANDARD 23
-               ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
-               LIBRARY_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
-               RUNTIME_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}")
-target_link_libraries(example_projection_matrix_builder PRIVATE omath::omath)
-
-add_executable(example_signature_scan example_signature_scan.cpp)
-set_target_properties(
-    example_signature_scan
-    PROPERTIES CXX_STANDARD 23
-               ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
-               LIBRARY_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
-               RUNTIME_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}")
-target_link_libraries(example_signature_scan PRIVATE omath::omath)
-
-add_executable(example_glfw3 example_glfw3.cpp)
-set_target_properties(
-    example_glfw3
-    PROPERTIES CXX_STANDARD 23
-               ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
-               LIBRARY_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
-               RUNTIME_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}")
-
-find_package(OpenGL)
-find_package(GLEW REQUIRED)
-find_package(glfw3 CONFIG REQUIRED)
-target_link_libraries(example_glfw3 PRIVATE omath::omath GLEW::GLEW glfw OpenGL::GL)
 
 if(OMATH_ENABLE_VALGRIND)
     omath_setup_valgrind(example_projection_matrix_builder)

examples/example_barycentric/CMakeLists.txt

@@ -0,0 +1,14 @@
+project(example_barycentric)
+
+add_executable(${PROJECT_NAME} example_barycentric.cpp)
+set_target_properties(
+    ${PROJECT_NAME}
+    PROPERTIES CXX_STANDARD 23
+               ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
+               LIBRARY_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
+               RUNTIME_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}")
+
+find_package(OpenGL)
+find_package(GLEW REQUIRED)
+find_package(glfw3 CONFIG REQUIRED)
+target_link_libraries(${PROJECT_NAME} PRIVATE omath::omath GLEW::GLEW glfw OpenGL::GL)

examples/example_barycentric/example_barycentric.cpp

@@ -0,0 +1,427 @@
+#include <GL/glew.h>
+#include <GLFW/glfw3.h>
+#include <cmath>
+#include <iostream>
+#include <omath/omath.hpp>
+#include <vector>
+
+using omath::Color;
+using omath::Triangle;
+using omath::Vector3;
+
+static const char* vertexShaderSource = R"(
+#version 330 core
+layout (location = 0) in vec3 aPos;
+layout (location = 1) in vec3 aColor;
+layout (location = 2) in float aPointSize;
+layout (location = 3) in float aIsLine;
+
+out vec3 vColor;
+out float vIsLine;
+
+void main() {
+    gl_Position = vec4(aPos, 1.0);
+    vColor = aColor;
+    gl_PointSize = aPointSize;
+    vIsLine = aIsLine;
+}
+)";
+
+static const char* fragmentShaderSource = R"(
+#version 330 core
+in vec3 vColor;
+in float vIsLine;
+out vec4 FragColor;
+
+void main() {
+    if (vIsLine < 0.5) {
+        // Calculate distance from center of the point
+        vec2 coord = gl_PointCoord - vec2(0.5);
+        if(length(coord) > 0.5)
+            discard;
+    }
+
+    FragColor = vec4(vColor, 1.0);
+}
+)";
+
+GLuint compileShader(GLenum type, const char* src)
+{
+    GLuint shader = glCreateShader(type);
+    glShaderSource(shader, 1, &src, nullptr);
+    glCompileShader(shader);
+    GLint ok;
+    glGetShaderiv(shader, GL_COMPILE_STATUS, &ok);
+    if (!ok)
+    {
+        char log[1024];
+        glGetShaderInfoLog(shader, sizeof(log), nullptr, log);
+        std::cerr << "Shader error: " << log << std::endl;
+    }
+    return shader;
+}
+
+void drawChar(char c, float x, float y, float scale, const Color& color, std::vector<float>& lines)
+{
+    float w = 0.5f * scale;
+    float h = 1.0f * scale;
+
+    auto add = [&](float x1, float y1, float x2, float y2)
+    {
+        lines.push_back(x + x1 * w);
+        lines.push_back(y + y1 * h);
+        lines.push_back(0.0f);
+        lines.push_back(color.x);
+        lines.push_back(color.y);
+        lines.push_back(color.z);
+        lines.push_back(1.0f); // size
+        lines.push_back(1.0f); // isLine
+
+        lines.push_back(x + x2 * w);
+        lines.push_back(y + y2 * h);
+        lines.push_back(0.0f);
+        lines.push_back(color.x);
+        lines.push_back(color.y);
+        lines.push_back(color.z);
+        lines.push_back(1.0f); // size
+        lines.push_back(1.0f); // isLine
+    };
+
+    switch (c)
+    {
+    case '0':
+        add(0, 0, 1, 0);
+        add(1, 0, 1, 1);
+        add(1, 1, 0, 1);
+        add(0, 1, 0, 0);
+        break;
+    case '1':
+        add(0.5f, 0, 0.5f, 1);
+        add(0.25f, 0.75f, 0.5f, 1);
+        add(0.25f, 0, 0.75f, 0);
+        break;
+    case '2':
+        add(0, 1, 1, 1);
+        add(1, 1, 1, 0.5f);
+        add(1, 0.5f, 0, 0.5f);
+        add(0, 0.5f, 0, 0);
+        add(0, 0, 1, 0);
+        break;
+    case '3':
+        add(0, 1, 1, 1);
+        add(1, 1, 1, 0);
+        add(1, 0, 0, 0);
+        add(0, 0.5f, 1, 0.5f);
+        break;
+    case '4':
+        add(0, 1, 0, 0.5f);
+        add(0, 0.5f, 1, 0.5f);
+        add(1, 1, 1, 0);
+        break;
+    case '5':
+        add(1, 1, 0, 1);
+        add(0, 1, 0, 0.5f);
+        add(0, 0.5f, 1, 0.5f);
+        add(1, 0.5f, 1, 0);
+        add(1, 0, 0, 0);
+        break;
+    case '6':
+        add(1, 1, 0, 1);
+        add(0, 1, 0, 0);
+        add(0, 0, 1, 0);
+        add(1, 0, 1, 0.5f);
+        add(1, 0.5f, 0, 0.5f);
+        break;
+    case '7':
+        add(0, 1, 1, 1);
+        add(1, 1, 0.5f, 0);
+        break;
+    case '8':
+        add(0, 0, 1, 0);
+        add(1, 0, 1, 1);
+        add(1, 1, 0, 1);
+        add(0, 1, 0, 0);
+        add(0, 0.5f, 1, 0.5f);
+        break;
+    case '9':
+        add(1, 0.5f, 0, 0.5f);
+        add(0, 0.5f, 0, 1);
+        add(0, 1, 1, 1);
+        add(1, 1, 1, 0);
+        add(1, 0, 0, 0);
+        break;
+    case '.':
+        add(0.4f, 0, 0.6f, 0);
+        add(0.6f, 0, 0.6f, 0.2f);
+        add(0.6f, 0.2f, 0.4f, 0.2f);
+        add(0.4f, 0.2f, 0.4f, 0);
+        break;
+    }
+}
+
+void drawText(const std::string& text, float x, float y, float scale, const Color& color, std::vector<float>& lines)
+{
+    float cursor = x;
+    for (char c : text)
+    {
+        drawChar(c, cursor, y, scale, color, lines);
+        cursor += (c == '.' ? 0.3f : 0.7f) * scale;
+    }
+}
+
+GLFWwindow* initWindow(int width, int height, const char* title)
+{
+    if (!glfwInit())
+    {
+        std::cerr << "Failed to initialize GLFW\n";
+        return nullptr;
+    }
+
+    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
+    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
+    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
+
+    GLFWwindow* window = glfwCreateWindow(width, height, title, NULL, NULL);
+    if (!window)
+    {
+        std::cerr << "Failed to create GLFW window\n";
+        glfwTerminate();
+        return nullptr;
+    }
+    glfwMakeContextCurrent(window);
+
+    // Check if context is valid using standard GL
+    const GLubyte* renderer = glGetString(GL_RENDERER);
+    const GLubyte* version = glGetString(GL_VERSION);
+    if (renderer && version)
+    {
+        std::cout << "Renderer: " << renderer << "\n";
+        std::cout << "OpenGL version supported: " << version << "\n";
+    }
+    else
+    {
+        std::cerr << "Failed to get GL_RENDERER or GL_VERSION. Context might be invalid.\n";
+    }
+
+    glewExperimental = GL_TRUE;
+    GLenum glewErr = glewInit();
+    if (glewErr != GLEW_OK)
+    {
+        // Ignore GLEW_ERROR_NO_GLX_DISPLAY if we have a valid context (e.g. Wayland)
+        if (glewErr == GLEW_ERROR_NO_GLX_DISPLAY && renderer)
+        {
+            std::cerr << "GLEW warning: " << glewGetErrorString(glewErr) << " (Ignored because context seems valid)\n";
+        }
+        else
+        {
+            std::cerr << "Failed to initialize GLEW: " << glewGetErrorString(glewErr) << "\n";
+            glfwTerminate();
+            return nullptr;
+        }
+    }
+    return window;
+}
+
+GLuint createShaderProgram()
+{
+    GLuint vs = compileShader(GL_VERTEX_SHADER, vertexShaderSource);
+    GLuint fs = compileShader(GL_FRAGMENT_SHADER, fragmentShaderSource);
+    GLuint shaderProgram = glCreateProgram();
+    glAttachShader(shaderProgram, vs);
+    glAttachShader(shaderProgram, fs);
+    glLinkProgram(shaderProgram);
+    return shaderProgram;
+}
+
+void generatePointCloud(std::vector<float>& pointCloud, const Triangle<Vector3<float>>& triangle)
+{
+    const auto& A = triangle.m_vertex1;
+    const auto& B = triangle.m_vertex2;
+    const auto& C = triangle.m_vertex3;
+    // Iterating over barycentric coordinates (u, v, w) from 0.0 to 1.0
+    for (float u = 0.0f; u <= 1.0f; u += 0.015f)
+    {
+        for (float v = 0.0f; v <= 1.0f - u; v += 0.015f)
+        {
+            float w = 1.0f - u - v;
+            if (w >= 0.0f && w <= 1.0f)
+            {
+                Vector3<float> P = A * u + B * v + C * w;
+                pointCloud.push_back(P.x);
+                pointCloud.push_back(P.y);
+                pointCloud.push_back(P.z);
+                pointCloud.push_back(u);
+                pointCloud.push_back(v);
+                pointCloud.push_back(w);
+                pointCloud.push_back(2.0f); // size
+                pointCloud.push_back(0.0f); // isLine
+            }
+        }
+    }
+}
+
+void setupBuffers(GLuint& VAO_cloud, GLuint& VBO_cloud, const std::vector<float>& pointCloud, GLuint& VAO_dyn,
+                  GLuint& VBO_dyn)
+{
+    glGenVertexArrays(1, &VAO_cloud);
+    glGenBuffers(1, &VBO_cloud);
+    glBindVertexArray(VAO_cloud);
+    glBindBuffer(GL_ARRAY_BUFFER, VBO_cloud);
+    glBufferData(GL_ARRAY_BUFFER, pointCloud.size() * sizeof(float), pointCloud.data(), GL_STATIC_DRAW);
+    glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)0);
+    glEnableVertexAttribArray(0);
+    glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)(3 * sizeof(float)));
+    glEnableVertexAttribArray(1);
+    glVertexAttribPointer(2, 1, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)(6 * sizeof(float)));
+    glEnableVertexAttribArray(2);
+    glVertexAttribPointer(3, 1, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)(7 * sizeof(float)));
+    glEnableVertexAttribArray(3);
+
+    glGenVertexArrays(1, &VAO_dyn);
+    glGenBuffers(1, &VBO_dyn);
+    glBindVertexArray(VAO_dyn);
+    glBindBuffer(GL_ARRAY_BUFFER, VBO_dyn);
+    glBufferData(GL_ARRAY_BUFFER, 1000 * 8 * sizeof(float), NULL, GL_DYNAMIC_DRAW);
+    glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)0);
+    glEnableVertexAttribArray(0);
+    glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)(3 * sizeof(float)));
+    glEnableVertexAttribArray(1);
+    glVertexAttribPointer(2, 1, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)(6 * sizeof(float)));
+    glEnableVertexAttribArray(2);
+    glVertexAttribPointer(3, 1, GL_FLOAT, GL_FALSE, 8 * sizeof(float), (void*)(7 * sizeof(float)));
+    glEnableVertexAttribArray(3);
+}
+
+void updateDynamicData(std::vector<float>& dynData, float u, float v, float w, const Vector3<float>& P,
+                       const Triangle<Vector3<float>>& triangle)
+{
+    const auto& A = triangle.m_vertex1;
+    const auto& B = triangle.m_vertex2;
+    const auto& C = triangle.m_vertex3;
+
+    float sizeA = 10.0f + u * 30.0f;
+    float sizeB = 10.0f + v * 30.0f;
+    float sizeC = 10.0f + w * 30.0f;
+    float sizeP = 12.0f;
+
+    dynData = {// Lines from P to A, B, C
+               P.x, P.y, P.z, u, v, w, 1.0f, 1.0f, A.x, A.y, A.z, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f,
+
+               P.x, P.y, P.z, u, v, w, 1.0f, 1.0f, B.x, B.y, B.z, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f,
+
+               P.x, P.y, P.z, u, v, w, 1.0f, 1.0f, C.x, C.y, C.z, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f,
+
+               // The animated dot itself (White)
+               P.x, P.y, P.z, 1.0f, 1.0f, 1.0f, sizeP, 0.0f,
+
+               // The 3 corner dots
+               A.x, A.y, A.z, 1.0f, 0.0f, 0.0f, sizeA, 0.0f, B.x, B.y, B.z, 0.0f, 1.0f, 0.0f, sizeB, 0.0f, C.x, C.y,
+               C.z, 0.0f, 0.0f, 1.0f, sizeC, 0.0f};
+
+    char bufA[16], bufB[16], bufC[16];
+    snprintf(bufA, sizeof(bufA), "%.2f", u);
+    snprintf(bufB, sizeof(bufB), "%.2f", v);
+    snprintf(bufC, sizeof(bufC), "%.2f", w);
+
+    // Keep text at a fixed distance from the dots
+    float distA = 0.13f;
+    float distB = 0.13f;
+    float distC = 0.13f;
+
+    drawText(bufA, A.x - 0.05f, A.y + distA, 0.1f, Color(1, 0, 0, 1), dynData);
+    drawText(bufB, B.x - 0.15f - distB, B.y - 0.05f - distB, 0.1f, Color(0, 1, 0, 1), dynData);
+    drawText(bufC, C.x + 0.05f + distC, C.y - 0.05f - distC, 0.1f, Color(0, 0, 1, 1), dynData);
+}
+
+int main()
+{
+    GLFWwindow* window = initWindow(800, 800, "Barycentric Coordinates");
+    if (!window)
+        return -1;
+
+    GLuint shaderProgram = createShaderProgram();
+
+    // Triangle vertices as shown in the picture (Red, Green, Blue)
+    // Scaled down slightly to leave room for text
+    Triangle<Vector3<float>> triangle(Vector3<float>(0.0f, 0.6f, 0.0f), // Red dot (top)
+                                      Vector3<float>(-0.6f, -0.6f, 0.0f), // Green dot (bottom left)
+                                      Vector3<float>(0.6f, -0.6f, 0.0f) // Blue dot (bottom right)
+    );
+
+    std::vector<float> pointCloud;
+    generatePointCloud(pointCloud, triangle);
+
+    GLuint VAO_cloud, VBO_cloud, VAO_dyn, VBO_dyn;
+    setupBuffers(VAO_cloud, VBO_cloud, pointCloud, VAO_dyn, VBO_dyn);
+
+    glEnable(GL_PROGRAM_POINT_SIZE);
+    glEnable(GL_BLEND);
+    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+    while (!glfwWindowShouldClose(window))
+    {
+        glClearColor(0.02f, 0.02f, 0.02f, 1.0f);
+        glClear(GL_COLOR_BUFFER_BIT);
+
+        glUseProgram(shaderProgram);
+
+        // Draw the point cloud (the iterated points)
+        glBindVertexArray(VAO_cloud);
+        glDrawArrays(GL_POINTS, 0, pointCloud.size() / 8);
+
+        // Animate the white dot to simulate dragging
+        float t = glfwGetTime();
+        float u = (std::sin(t * 1.5f) * 0.5f + 0.5f);
+        float v = (std::cos(t * 1.1f) * 0.5f + 0.5f);
+
+        if (u + v > 1.0f)
+        {
+            u = 1.0f - u;
+            v = 1.0f - v;
+        }
+        float w = 1.0f - u - v;
+
+        if (w > 1.0f)
+        {
+            float diff = w - 1.0f;
+            w = 1.0f;
+            u += diff / 2.0f;
+            v += diff / 2.0f;
+        }
+        else if (w < 0.0f)
+        {
+            float diff = -w;
+            w = 0.0f;
+            u -= diff / 2.0f;
+            v -= diff / 2.0f;
+        }
+
+        Vector3<float> P = triangle.m_vertex1 * u + triangle.m_vertex2 * v + triangle.m_vertex3 * w;
+
+        std::vector<float> dynData;
+        updateDynamicData(dynData, u, v, w, P, triangle);
+
+        glBindVertexArray(VAO_dyn);
+        glBindBuffer(GL_ARRAY_BUFFER, VBO_dyn);
+        glBufferSubData(GL_ARRAY_BUFFER, 0, dynData.size() * sizeof(float), dynData.data());
+
+        // Draw lines
+        glDrawArrays(GL_LINES, 0, 6);
+
+        // Draw text lines
+        int numTextVertices = (dynData.size() / 8) - 10;
+        if (numTextVertices > 0)
+        {
+            glDrawArrays(GL_LINES, 10, numTextVertices);
+        }
+
+        // Draw dots
+        glDrawArrays(GL_POINTS, 6, 4);
+
+        glfwSwapBuffers(window);
+        glfwPollEvents();
+    }
+
+    glfwTerminate();
+    return 0;
+}

examples/example_glfw3/CMakeLists.txt

@@ -0,0 +1,14 @@
+project(example_glfw3)
+
+add_executable(${PROJECT_NAME} example_glfw3.cpp)
+set_target_properties(
+    ${PROJECT_NAME}
+    PROPERTIES CXX_STANDARD 23
+               ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
+               LIBRARY_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
+               RUNTIME_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}")
+
+find_package(OpenGL)
+find_package(GLEW REQUIRED)
+find_package(glfw3 CONFIG REQUIRED)
+target_link_libraries(${PROJECT_NAME} PRIVATE omath::omath GLEW::GLEW glfw OpenGL::GL)

examples/example_glfw3/example_glfw3.cpp

@@ -342,7 +342,7 @@ int main()
             old_mouse_time = glfwGetTime();
             mouse_capture = !mouse_capture;
 
-            glfwSetInputMode(window, GLFW_CURSOR, mouse_capture ? GLFW_CURSOR_CAPTURED : GLFW_CURSOR_NORMAL);
+            glfwSetInputMode(window, GLFW_CURSOR, mouse_capture ? GLFW_CURSOR_HIDDEN : GLFW_CURSOR_NORMAL);
         }
         if (mouse_capture)
         {

examples/example_proj_mat_builder/CMakeLists.txt

@@ -0,0 +1,10 @@
+project(example_projection_matrix_builder)
+
+add_executable(${PROJECT_NAME} example_proj_mat_builder.cpp)
+set_target_properties(
+    ${PROJECT_NAME}
+    PROPERTIES CXX_STANDARD 23
+               ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
+               LIBRARY_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
+               RUNTIME_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}")
+target_link_libraries(${PROJECT_NAME} PRIVATE omath::omath)

examples/example_signature_scan/CMakeLists.txt

@@ -0,0 +1,10 @@
+project(example_signature_scan)
+
+add_executable(${PROJECT_NAME} example_signature_scan.cpp)
+set_target_properties(
+    ${PROJECT_NAME}
+    PROPERTIES CXX_STANDARD 23
+               ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
+               LIBRARY_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
+               RUNTIME_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}")
+target_link_libraries(${PROJECT_NAME} PRIVATE omath::omath)

pixi/run.benchmark.cmake

@@ -15,7 +15,10 @@ endif()
 set(EXAMPLES_BIN_DIR "${PROJECT_ROOT}/out/${CMAKE_BUILD_TYPE}")
 
 if(NOT EXISTS "${EXAMPLES_BIN_DIR}")
-    message(FATAL_ERROR "Examples binary directory not found: ${EXAMPLES_BIN_DIR}. Please build the project first.")
+    message(
+        FATAL_ERROR
+            "Examples binary directory not found: ${EXAMPLES_BIN_DIR}. Please build the project first."
+        )
 endif()
 
 message(STATUS "Looking for benchmark executables in: ${EXAMPLES_BIN_DIR}")
@@ -48,11 +51,8 @@ foreach(EXAMPLE_PATH ${EXAMPLE_FILES})
     message(STATUS "Running benchmark: ${FILENAME}")
     message(STATUS "-------------------------------------------------")
 
-    execute_process(
+    execute_process(COMMAND "${EXAMPLE_PATH}" WORKING_DIRECTORY "${PROJECT_ROOT}"
-        COMMAND "${EXAMPLE_PATH}"
+                    RESULT_VARIABLE EXIT_CODE)
-        WORKING_DIRECTORY "${PROJECT_ROOT}"
-        RESULT_VARIABLE EXIT_CODE
-    )
 
     if(NOT EXIT_CODE EQUAL 0)
         message(WARNING "Benchmark ${FILENAME} exited with error code: ${EXIT_CODE}")

pixi/run.examples.cmake

@@ -15,7 +15,10 @@ endif()
 set(EXAMPLES_BIN_DIR "${PROJECT_ROOT}/out/${CMAKE_BUILD_TYPE}")
 
 if(NOT EXISTS "${EXAMPLES_BIN_DIR}")
-    message(FATAL_ERROR "Examples binary directory not found: ${EXAMPLES_BIN_DIR}. Please build the project first.")
+    message(
+        FATAL_ERROR
+            "Examples binary directory not found: ${EXAMPLES_BIN_DIR}. Please build the project first."
+        )
 endif()
 
 message(STATUS "Looking for example executables in: ${EXAMPLES_BIN_DIR}")
@@ -48,11 +51,8 @@ foreach(EXAMPLE_PATH ${EXAMPLE_FILES})
     message(STATUS "Running example: ${FILENAME}")
     message(STATUS "-------------------------------------------------")
 
-    execute_process(
+    execute_process(COMMAND "${EXAMPLE_PATH}" WORKING_DIRECTORY "${PROJECT_ROOT}"
-        COMMAND "${EXAMPLE_PATH}"
+                    RESULT_VARIABLE EXIT_CODE)
-        WORKING_DIRECTORY "${PROJECT_ROOT}"
-        RESULT_VARIABLE EXIT_CODE
-    )
 
     if(NOT EXIT_CODE EQUAL 0)
         message(WARNING "Example ${FILENAME} exited with error code: ${EXIT_CODE}")

pixi/run.unit.tests.cmake

@@ -15,7 +15,10 @@ endif()
 set(EXAMPLES_BIN_DIR "${PROJECT_ROOT}/out/${CMAKE_BUILD_TYPE}")
 
 if(NOT EXISTS "${EXAMPLES_BIN_DIR}")
-    message(FATAL_ERROR "Examples binary directory not found: ${EXAMPLES_BIN_DIR}. Please build the project first.")
+    message(
+        FATAL_ERROR
+            "Examples binary directory not found: ${EXAMPLES_BIN_DIR}. Please build the project first."
+        )
 endif()
 
 message(STATUS "Looking for unit test executables in: ${EXAMPLES_BIN_DIR}")
@@ -48,11 +51,8 @@ foreach(EXAMPLE_PATH ${EXAMPLE_FILES})
     message(STATUS "Running unit_tests: ${FILENAME}")
     message(STATUS "-------------------------------------------------")
 
-    execute_process(
+    execute_process(COMMAND "${EXAMPLE_PATH}" WORKING_DIRECTORY "${PROJECT_ROOT}"
-        COMMAND "${EXAMPLE_PATH}"
+                    RESULT_VARIABLE EXIT_CODE)
-        WORKING_DIRECTORY "${PROJECT_ROOT}"
-        RESULT_VARIABLE EXIT_CODE
-    )
 
     if(NOT EXIT_CODE EQUAL 0)
         message(WARNING "Example ${FILENAME} exited with error code: ${EXIT_CODE}")

scripts/cmake-format.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Format all CMakeLists.txt and *.cmake files in the repo (excluding common build dirs)
+REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+
+cd "$REPO_ROOT"
+
+find . \
+  -path "./build" -prune -o \
+  -path "./cmake-build*" -prune -o \
+  -path "./out" -prune -o \
+  -path "./.git" -prune -o \
+  \( -name "CMakeLists.txt" -o -name "*.cmake" \) -print0 \
+| xargs -0 cmake-format -i