Download Advanced Linux 3D Graphics Programming by Norman Lin PDF

By Norman Lin

Complex Linux 3D pictures Programming builds upon the starting place set in Norman Lin's Linux 3D images Programming. This moment quantity offers programmers who're skilled in either Linux and primary 3D pictures ideas with a well-rounded viewpoint on 3D concept and perform in the context of programming greater interactive 3D functions.

Lin's basic objective is to supply an effective realizing of the strategies inquisitive about interactive 3D photographs programming that allows you to permit the reader to put in writing 3D courses, libraries, and video games, and to research and comprehend others' 3D code. via targeting greater than simply hard-core 3D algorithms, and via offering designated details on both very important concerns equivalent to 3D modeling, international modifying, electronic sound, and collision detection, Lin offers the reader enough info to application and populate entire 3D worlds less than Linux.

Lin's cautious stability among idea and perform presents either operating code examples and an organization theoretical beginning, thereby empowering the reader to join the pro 3D programming group.

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The base classes l3d_polygon_2d and l3d_polygon_3d describe the geometry of a polygon in 2D or 3D, respectively. Some typical geometric operations on polygons are clipping, transformation, or surface normal computation. We subclass the geometric polygon classes to obtain drawable polygon classes. For instance, l3d_polygon_3d_flatshaded inherits the attributes and methods used for describing the geometry of a 3D polygon, and adds new attributes and methods necessary to draw the polygon on-screen.

The l3d source code defines various operators allowing the appropriate mathematical operations among scalars, points, vectors, and matrices. For instance, we can multiply two matrices together, multiply a matrix and a point, add a point and a vector, and so forth. Note that the pipe character (the vertical bar “|”) is used to specify matrix multiplication. Polygons The l3d classes make a distinction between the geometry and the appearance of a polygon. The base classes l3d_polygon_2d and l3d_polygon_3d describe the geometry of a polygon in 2D or 3D, respectively.

Lists Specifying more complex geometry (as we see in the coming section on polygons) requires us to store lists of vertices. h). Class l3d_list is a dynamically growable list that is like an array, but which automatically expands and allocates more space as necessary. The elements are accessed as normal through the array index operator [ ]. Class l3d_two_ part_list is an extension of l3d_list and partitions the list of items into two parts: a fixed part and a varying part. The fixed part is fixed in size and never changes; the varying part is based on some dynamic calculation and changes often in size.

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