Chapter 13: A Simple 3D Application Chapter 13.

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Presentation transcript:

Chapter 13: A Simple 3D Application Chapter 13

This Chapter: we will learn about Basic elements in 3D composition Model Camera Scene (lighting and material) Left vs. Right Handed Coordinate System Compose a 3D Scene in a Computer Graphics Program Chapter 13

A Photograph of two papers The Model: 2 papers 8cm x 8cm and 5cm x 5cm The Camera Simple pinhole No focusing capability The Scene Arrangements model and camera Light sources (later) Chapter 13

The Arrangements Chapter 13

3D Coordinate Systems Two options for Z-axis direction! Same position, different sign for z-value!! Chapter 13

Left vs. Right Handed Systems Right-Handed System EXCLUSIVELY!! Chapter 13

The Model and the Scene Right-Handed Coordinate System Convenience Origin Center of 8x8 Units in cm Chapter 13

Details … Chapter 13

Tut 13.1: Drawing the papers For now: Simplest application no library GrfxWindow class Chapter 13

Tut 13.1: The drawing code … Chapter 13

Tut 13.1: Z-Buffer for 3D Drawing GrfxWindow::OnCreate(): create z-buffer GrfxWindow::OnPaint(): Enable z-buffer Clear z-buffer Chapter 13

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