Method DrawRectangle

engine/Poseidon/UI/Map/UIMapExt.cpp:122–167

}

void CStaticMap::DrawRectangle(Vector3Val position, float a, float b, float angle, PackedColor color)
{
    DrawCoord posMap = WorldToScreen(position);
    float cx = posMap.x * _wScreen;
    float cy = posMap.y * _hScreen;

    const float invSizeLand = InvLandSize;
    float aMap = a * invSizeLand * _invScaleX * _wScreen;
    float bMap = b * invSizeLand * _invScaleY * _hScreen;

    float r = sqrt(Square(aMap) + Square(bMap));
    if (cx + r < _clipRect.x)
    {
        return;
    }
    if (cy + r < _clipRect.y)
    {
        return;
    }
    if (cx - r > _clipRect.x + _clipRect.w)
    {
        return;
    }
    if (cy - r > _clipRect.y + _clipRect.h)
    {
        return;
    }

    float angleRad = HDegree(angle);
    float s = sin(angleRad);
    float c = cos(angleRad);

    float x1 = cx + c * aMap + s * bMap;
    float y1 = cy + s * aMap - c * bMap;
    float x2 = cx + c * aMap + s * (-bMap);
    float y2 = cy + s * aMap - c * (-bMap);
    float x3 = cx + c * (-aMap) + s * (-bMap);
    float y3 = cy + s * (-aMap) - c * (-bMap);
    float x4 = cx + c * (-aMap) + s * bMap;
    float y4 = cy + s * (-aMap) - c * bMap;

    GLOB_ENGINE->DrawLine(Line2DPixel(x1, y1, x2, y2), color, color, _clipRect);
    GLOB_ENGINE->DrawLine(Line2DPixel(x2, y2, x3, y3), color, color, _clipRect);
    GLOB_ENGINE->DrawLine(Line2DPixel(x3, y3, x4, y4), color, color, _clipRect);
    GLOB_ENGINE->DrawLine(Line2DPixel(x4, y4, x1, y1), color, color, _clipRect);
}

inline PackedColor ModAlpha(PackedColor color, float alpha)
{