3D Graphics with pi3d - GitHub Pages
3D Graphics with pi3d
Release 1.0 @paddyg
November 02, 2015
CONTENTS
1 Introduction
2
1.1 Target Audience . . . . . . . . . . . . . . . . . . . 2
1.2 The Structure and how to use this book . . . . . . . 4
1.3 Installation . . . . . . . . . . . . . . . . . . . . . . 5
2 3D Graphics Explanation
6
2.1 Communication between python and the GPU . . . 7
2.2 Sequence of events . . . . . . . . . . . . . . . . . . 9
3 Vectors and Matrices
12
3.1 Vectors . . . . . . . . . . . . . . . . . . . . . . . . 12
3.2 Matrices . . . . . . . . . . . . . . . . . . . . . . . 13
3.3 Illustrations . . . . . . . . . . . . . . . . . . . . . . 14
4 Shapes, Buffers and Display
18
4.1 Shape . . . . . . . . . . . . . . . . . . . . . . . . . 19
4.2 Buffer . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.3 Display . . . . . . . . . . . . . . . . . . . . . . . . 24
5 Textures, Lights and Shaders
25
5.1 Textures . . . . . . . . . . . . . . . . . . . . . . . 25
5.2 Lights . . . . . . . . . . . . . . . . . . . . . . . . . 25
5.3 Shaders . . . . . . . . . . . . . . . . . . . . . . . . 26
5.4 A Final look at Textures . . . . . . . . . . . . . . . 30
i
6 Cameras, 2D projection and Sprites
32
7 Models
35
8 Constructing a Shape from scratch
38
9 User input and Environment Utilities
44
9.1 Keyboard . . . . . . . . . . . . . . . . . . . . . . . 44
9.2 Mouse . . . . . . . . . . . . . . . . . . . . . . . . 45
9.3 Events . . . . . . . . . . . . . . . . . . . . . . . . 45
9.4 3D Backgrounds . . . . . . . . . . . . . . . . . . . 46
9.5 ElevationMap . . . . . . . . . . . . . . . . . . . . . 47
10 Lines, Points and Merging
49
10.1 set_line_width and set_point_size . . . . . . . . . . 49
10.2 Points using texture mapping . . . . . . . . . . . . 52
11 Strings
54
12 Off-screen textures (and other more complicated things) 57 12.1 Other Shaders . . . . . . . . . . . . . . . . . . . . 60 12.2 Video Textures . . . . . . . . . . . . . . . . . . . . 60 12.3 Conclusion . . . . . . . . . . . . . . . . . . . . . . 61
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Contents:
3D Graphics with pi3d, Release 1.0
CONTENTS
1
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