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Please specify the source: Http://blog.csdn.net/BonChoix, thank you ~)
Tangent spaces (Tangent space)
Switching space, same as local space, world space, is one of the many coordinate systems in 3D graphics. One of the most important uses for
Reprint Please specify source: http://blog.csdn.net/qq_26525215This article is from the "university trip _ remember the blog"
The advantage of using Aspectjexpressionpointcut to realize pointcuts is that it is possible to use the tangent
From: http://www.cnblogs.com/jerrylead/archive/2011/03/09/1978280.html
The author makes it very clear
Remember that the tangent of the curve is often required when you are doing a math problem in high school. If you see a function like this,
Find public tangent
The public tangent is a simple line tangent to the polygon at the same time, and both polygon are located on the same side of the line. In other words, a public tangent is a line that is tangent to both polygon. An example is
Sample Example: http://www.zhaojz.com.cn/demo/draw9.html
Copy Code code as follows:
Draw Tangent
Point round outside the dot
Dot Center
R radius
function drawcircletangent (point, Dot, R) {
Draw Auxiliary Line-start
var color = '
Currently, many tools can directly generate normalmap.
Algorithm Different algorithms make the calculation of tangent and binormal a little different. Currently, most artists use 3 DSMAX most often. Using Max to generate normalmap is also a common
Example: http://www.zhaojz.com.cn/demo/draw9.html//Draw tangents//a dot outside the point circle//Dot Center//R radiusfunctiondrawcircletangent (point, Dot, r) {//Draw Auxiliary Line-start varcolor = ' darkred ';//the color of the tangent
Arc tangent function application
Time limit:1000 ms
Memory limit:10000 K
Total submissions:14468
Accepted:5227
Description The arc tangent function can be expanded into an infinite
Introduction to the Math. tan () method for processing tangent in JavaScript
This article mainly introduces the Math. tan () method used to process tangent in JavaScript. It is the basic knowledge in JS beginners. For more information, see
This
This is the 3rd part of the 3D Foundation, mainly about the vertex tangent vector calculation principle, I believe that many people are shader in the tangent components do not have in-depth understanding, I hope this article can help you understand
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