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    This study introduces efficient real-time shadow rendering for games using hardware-accelerated virtual cube maps and a hybrid ray tracing approach, enabling high-quality visuals with hundreds of lights.

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    Area of Science:

    • Computer Graphics
    • Real-time Rendering
    • Shadow Algorithms

    Background:

    • Real-time rendering of complex scenes with numerous light sources presents significant computational challenges.
    • Existing algorithms often struggle to balance visual fidelity, performance, and memory usage when handling many lights.

    Purpose of the Study:

    • To develop and evaluate efficient algorithms for real-time shadow rendering with hundreds of light sources.
    • To explore the effectiveness of hardware-supported virtual cube maps and hybrid ray tracing techniques for shadow generation.

    Main Methods:

    • Implementation of hardware-supported virtual cube-map shadows for efficient shadow mapping.
    • Development of a hybrid algorithm combining ray tracing with cube maps to leverage their complementary strengths.
    • Testing and validation in fully dynamic, high-detail scenes.

    Main Results:

    • Achieved real-time performance with hundreds of light sources.
    • Maintained high-quality shadow rendering within a bounded memory footprint.
    • Demonstrated the effectiveness of the hybrid approach in dynamic scenes.

    Conclusions:

    • Hardware-supported virtual cube maps offer an efficient solution for real-time shadows from many lights.
    • A hybrid ray tracing and cube map algorithm effectively combines strengths for superior shadow rendering.
    • The proposed methods enable high-fidelity, real-time graphics with numerous dynamic lights.