calculate length of hypotenuse of right triangle

Effect Chart: First, the analysis chart: Inside the green border: the outer div element, relative positioning; White round box: auxiliary analysis of the imaginary shape; White dot: The center point of the Circle, the point O; Center angle:

Vectors are the standard tool for 2D and 3D Mathematical research, and in 3D games vectors are the basis. Therefore, it is very important to master some basic concepts and properties of vectors and common operation methods. In this blog, horse and

I. Theory Article 1. Mathematical formulasCircle Area formula: Π*r*r, where π is pi, R is the circle radius;Square area formula: S*s, where S is the edge length;Pythagorean Theorem: a*a + b*b = c*c, where A/b is right triangle two right-angled edges,

Reference article:Http://games.sina.com.cn/zl/duanpian/2014-03-11/105973.shtmlhttp://www.oschina.net/translate/understanding-steering-behaviors-collision-avoidance?cmphttp://blog.csdn.net/ityuany/article/details/5509750I. Definition of artificial

Name Abs Category Mathematical functions Prototype Abs (number) Parameters Must be selected. The number argument is a valid numeric expression of any type "Return value" Type of same number "Exception/Error" No Description Returns the absolute value

Sorry, the upload was wrong. Then look at the picture!Since we're going to demonstrate with Pygame, his coordinate system is the y-axis downward, so here we also use the Y-downward coordinate system.The general idea of the algorithm is that the time

General words Mathematics, maths (BRE), math (AME) Axiom Theorem Calculate Calculation Operation Prove proof Assume that hypothesis, hypotheses (pl .) Proposition proposition Arithmetic Add plus (prep.), add (v.), addition (n .) Added augend,

Automatic tracking algorithm, in our design of 2D shooting games often used, this sounds very tall things, in fact, is not a military science patent, in mathematics to solve the words need to resolve the differential equation,It's hard to work out a

Job Description: The following activities are broadly marked by the need to use the knowledge point, where the gray text part of the difficulty of the extension to improve the problem, for the choice. (Basic) write down the basic features of JS

OneSupport for regular expressions is provided in Java.Sometimes, the proper use of the regular, can make our work more than a multiplier!The following code is used to verify the number of data items in a arithmetic type, please fill in the missing