文件列表:

ColorConv.pas (4092, 2003-03-29)
Model3D.pas (29587, 2003-05-07)
Project1.dpr (250, 2003-04-28)
Project1.exe (408064, 2003-05-08)
Unit1.dfm (496, 2003-04-30)
Unit1.pas (2891, 2003-05-03)

3D rendering engine source code for delphi Written by Peter Bone http://www.geocities.com/peter_bone_uk 12 / 5 / 2003 This source code demonstrates the techniques used to handle 3D graphics without using an API such as OpenGL. The code includes Gouraud shading, which gives much better quality than flat shading for curved surfaces. The code does not yet include perspective or texture mapping. The code also includes methods for building general 3D shapes. To create a 3D object, first create an instance of the T3DModel class. You must then build the model by creating the vertices and faces. This can be done using the BuildRotationalVolume procedure, which can be used to create many different shapes. You could also write your own code to build the model bearing in mind that the vertices at the corners of the faces must be listed in clockwise order. You must then specify the center point of the object and the position of the light source. Once the model is built, you can translate the object to a position on the screen using the Translate procedure or rotate it around an axis by a given angle using the Rotate procedure. To render the object to a canvas, call the RenderObject procedure and then draw the off screen bitmap to the canvas by doing ACanvas.Draw(0,0,OffScrBmp);. See the example of how to use the class to render a juggling club in the included Project1.dpr project.

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