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to the POINTB.4.V2.fromarray (Pointa)To create a vector from the origin to the Pointa.5.V1.fromarray (POINTB). Sub (V2.fromarray (pointa))That is, vector ob-oa at this point the vector is AB, at this time v1 into a vector ab.6.v2.copy (v1)V2 vector copy v1 vector, followed byv2.copy (v1). APPLYMATRIX4 (Mtrx)The rotation matrix is applied to the V2 vector, and then the vector v2 after the V1 vector revolves around the pointa.7. At this time byv2.sub (v1)It gets the starting point is POINTB, the

is projected onto the 2D screen, which is called the projection plane.Perspective projection, the projection line is no longer parallel but intersects at a point – the projection center. Similar to "keyhole imaging", the projection is inverted.Euler angle, using three angles to save the azimuth: Heading,y axis, ( -180,180); pitch, x-axis, (-90, 90); Bank, Z axis, (-180,180).Four Yuan (quation), with 4 numbers to express the azimuth, to avoid the Euler angle "universal lock", slerp spherical dif

Computer Graphics learning methods and related books, games, GIS, VR, and 3D engines can all be viewed.This book referred to the Preface:Based on my current level, I learned three major credits for 3D graphics:A. Space ry mathematics: Space ry transformation, acceleration algorithm, Polygon technology, curves and surfaces, intersection testing, and collision test

course) 16) david h. Eberly's 3D Game Engine Design: A Practical Approach to Real-Time Computer Graphics 17) Alan H. Watt, 3D computer graphics (3rd edition) 18) Computer Graphics of James D. Foley and others: Principles and Practice in C (2nd edition). Let's take a look at this Bible when it's okay. Part 4: Where can I download the materials? My csdn resources are available. I will upload them one after

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