Titlebook: Advanced Graphics with the Sinclair Z. X. Spectrum; Ian O. Angell,Brian J. Jones Textbook 1983Latest edition Macmillan Publishers Limited

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朦朧

German Quernheim,Maria Schreier76) horizontal rows. Individuals from the set of NXPIX by NYPIX pixels can be uniquely identified by a bracketed pair of integers; these are sometimes called a pixel vector (I, J), where 0 ? I ? NXPIX — 1 and 0 ? J ? NYPIX — 1, the vector specifying the position of the pixel in the I. column and J.

Communicate

Betriebsst?rungen und Warteschlangen able to draw line segments between pairs of points. To be strictly accurate, a . (or line for short) in two-dimensional space is not a finite segment, but stretches off to infinity in both directions, and so we need to introduce ways of representing a general point on such a line.

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疼死我了

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FLIP

徹底明白

https://doi.org/10.1007/978-3-642-18531-1we need to make the equivalent linear transformations on three-dimensional space. As in the lower dimension, there are three basic types of transformation: translation, scaling and rotation. We shall represent transformations as square matrices (now they will be 4 × 4). A general point in space rela

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