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Interactive 2D Polygon Reshaping & Animation

Learn how to reshape a square and create interactive animations through rotating vertices on a circle. Experiment with key events and color changes for an engaging experience.

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Interactive 2D Polygon Reshaping & Animation

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  1. Interaction and Animation 고려대학교 컴퓨터 그래픽스 연구실 kucg.korea.ac.kr

  2. 2D Polygon kucg.korea.ac.kr

  3. Reshape kucg.korea.ac.kr

  4. Result – Reshape kucg.korea.ac.kr

  5. Animation – Rotating a Square • Four Vertices of the Square to Lie at Four Equally Spaced Points on a Circle (-sinθ, cosθ) (cosθ, sinθ) (-cosθ, -sinθ) (sinθ, -cosθ) kucg.korea.ac.kr

  6. Class Wizard kucg.korea.ac.kr

  7. New Variables kucg.korea.ac.kr

  8. Constructor kucg.korea.ac.kr

  9. OnCreate( ) kucg.korea.ac.kr

  10. OnSize( ) kucg.korea.ac.kr

  11. DrawScene( ) kucg.korea.ac.kr

  12. Math Header File kucg.korea.ac.kr

  13. OnTimer( ) kucg.korea.ac.kr

  14. Result – Rotating a Square kucg.korea.ac.kr

  15. Double Buffering (1/2) kucg.korea.ac.kr

  16. Double Buffering (2/2) kucg.korea.ac.kr

  17. Interaction by the Keyboard kucg.korea.ac.kr

  18. Key Event Handling kucg.korea.ac.kr

  19. Interaction by the Menu kucg.korea.ac.kr

  20. Resources – Menu (1/2) kucg.korea.ac.kr

  21. Resources – Menu (2/2) kucg.korea.ac.kr

  22. Class Wizard kucg.korea.ac.kr

  23. Callback Function kucg.korea.ac.kr

  24. Exercises • Rotate a square in the reverse direction if ‘R’ or ‘r’ is pressed • Change the color of square randomly whenever the left mouse button is clicked kucg.korea.ac.kr

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