Function DrawBox

Source/Editors/map_editor.cpp:623–665

}

static void DrawBox(const Box& box_, const Object* object_, bool highlight, const vec4& box_color) {
    mat4 transform = object_->GetTransform();
    // Translate
    transform[0 + 3 * 4] += box_.center[0];
    transform[1 + 3 * 4] += box_.center[1];
    transform[2 + 3 * 4] += box_.center[2];
    // Scale
    transform[0 + 0 * 4] *= box_.dims[0];
    transform[1 + 0 * 4] *= box_.dims[0];
    transform[2 + 0 * 4] *= box_.dims[0];
    transform[0 + 1 * 4] *= box_.dims[1];
    transform[1 + 1 * 4] *= box_.dims[1];
    transform[2 + 1 * 4] *= box_.dims[1];
    transform[0 + 2 * 4] *= box_.dims[2];
    transform[1 + 2 * 4] *= box_.dims[2];
    transform[2 + 2 * 4] *= box_.dims[2];

    vec4 draw_color = box_color;
    draw_color[3] *= highlight ? 1.0f : 0.2f;

    static const GLfloat vertices[] = {
        -0.5f, -0.5f, 0.5f, 0.5f, -0.5f, 0.5f, 0.5f, 0.5f, 0.5f, -0.5f, 0.5f, 0.5f,      // front (in coord system: +x to the right, +y up, -z into distance)
        -0.5f, -0.5f, -0.5f, 0.5f, -0.5f, -0.5f, 0.5f, 0.5f, -0.5f, -0.5f, 0.5f, -0.5f,  // back
    };
    static const GLubyte edges[] = {
        0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6,
        6, 7, 7, 4, 4, 0, 7, 3, 5, 1, 6, 2};

    GLfloat transformed_vertices[3 * 8];
    for (int i = 0; i < 8; ++i) {
        vec3 temp = TransformVec3(transform, *(vec3*)&vertices[i * 3]);
        memcpy(&transformed_vertices[i * 3], &temp, sizeof(vec3));
    }

    // Draw edges of box
    for (int i = 0; i < 12; i++) {
        int start_index = edges[i * 2 + 0] * 3;
        int end_index = edges[i * 2 + 1] * 3;
        vec3 start = *(vec3*)&transformed_vertices[start_index];
        vec3 end = *(vec3*)&transformed_vertices[end_index];
        DebugDraw::Instance()->AddLine(start, end, draw_color, _delete_on_draw);
    }
}

static void DrawControlledFace(const Box& box_, const Object* object_, int face_selected_, FaceDisplay face_display_) {
    PROFILER_GPU_ZONE(g_profiler_ctx, "DrawControlledFace");