عۅٛده قاެهࢪةه ⚐

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ImVec2 P1, P2;
ImDrawList* pDrawList;
const auto& p = ImGui::GetWindowPos();
pDrawList = ImGui::GetWindowDrawList();
ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 20.0f);

static const int numParticles = 50;
static ImVec2 particlePositions[numParticles];
static ImVec2 particleVelocities[numParticles];

const float starSize = 9.0f;
const float maxVelocity = 3.0f; 

static bool initialized = false;
if (!initialized)
{
    for (int i = 0; i < numParticles; ++i)
    {
        particlePositions[i] = ImVec2(
            ImGui::GetWindowPos().x + ImGui::GetWindowSize().x * static_cast<float>(rand()) / RAND_MAX,
            ImGui::GetWindowPos().y + ImGui::GetWindowSize().y * static_cast<float>(rand()) / RAND_MAX
        );
        particleVelocities[i] = ImVec2(
            maxVelocity * (static_cast<float>(rand()) / RAND_MAX - 0.5f),
            maxVelocity * (static_cast<float>(rand()) / RAND_MAX) 
        );
    }
    initialized = true;
}
auto DrawStar = [&](ImVec2 position, float size, ImU32 color) {
    const int numPoints = 10; 
    ImVec2 points[numPoints];
    for (int i = 0; i < numPoints; ++i)
    {
        float angle = i * (IM_PI / 5); 
        float radius = (i % 2 == 0) ? size : size * 0.5f; 
        points[i] = ImVec2(position.x + cos(angle) * radius, position.y + sin(angle) * radius);
    }
    pDrawList->AddConvexPolyFilled(points, numPoints, color);
};

for (int i = 0; i < numParticles; ++i)
{
    particlePositions[i].x += particleVelocities[i].x;
    particlePositions[i].y += particleVelocities[i].y;
    if (particlePositions[i].y > ImGui::GetWindowPos().y + ImGui::GetWindowSize().y)
    {
        particlePositions[i] = ImVec2(
            ImGui::GetWindowPos().x + ImGui::GetWindowSize().x * static_cast<float>(rand()) / RAND_MAX,
            ImGui::GetWindowPos().y 
        );
        particleVelocities[i] = ImVec2(
            maxVelocity * (static_cast<float>(rand()) / RAND_MAX - 0.5f), 
            maxVelocity * (static_cast<float>(rand()) / RAND_MAX) 
        );
    }

    DrawStar(particlePositions[i], starSize, IM_COL32(255, 255, 255, 200));
}

for (int i = 0; i < numParticles; ++i)
{
    DrawStar(particlePositions[i], starSize * 1.2f, IM_COL32(0, 0, 255, 100)); 
}

ImGui::PopStyleVar();