Matter.js is a JavaScript 2D rigid body Physics engine Web page. The Matter.engine module contains methods for creating and manipulating engines. This engine is an analog controller that manages the updating and rendering of the world. Matter.js is currently a beta version, which means that the API is still under development and may occasionally change.Online Demo Source Download Related articles that may be of interest to you
The JQuery effect "
Unity 2D Game Development Tutorial to add multiple ground to a game sceneadd multiple ground to a game sceneObviously, only one ground of the game scene is too small, there is not enough elves to move around. So, this section introduces a simple way to add multiple floors to a game scene. The specific methods of operation are: ( 1 ) in project View, create a new folder named prefabs hierarchy platform object, drag to prefabs folder, As a
Search a 2D Matrix IIWrite an efficient algorithm, searches for a value in a m x n Matrix. This matrix has the following properties:
Integers in each row is sorted in ascending from left to right.
Integers in each column is sorted in ascending from top to bottom.
For example,Consider the following matrix:[ [1, 4, 7, one, a], [2, 5, 8,, + ], [3, 6, 9, +, +], [10, 13, 14, 17, [18, 21, 23, 26, 30]Given target = 5 , return
Istrolid is an HTML5 game that uses many new web technologies. The game author treeform uses webGL, WebSocket, AudioContext, and the self-developed responsive HTML framework to render graphics, create network connections, play audio, and design the UI ........ .....,. Istrolid is an HTML5 game that uses many new web technologies. The game author treeform uses webGL, WebSocket, AudioContext, and the self-developed responsive HTML framework to render graphics, create network connections, play audi
Finally, I got it almost done. Remember it and don't forget it.
Native2d itself can use sort layer to sort, and each layer has a different order in layer, so that each genie can naturally adjust who will cover who.
But ngui cannot be used together.
After being tortured for a long time, the following conclusions are drawn.
1. ngui is in the default layer of the sort layer, and the order in layer is 0.
2. Set the native 2D sprite to the same positi
Write an efficient algorithm, searches for a value in a m x n Matrix. This matrix has the following properties:
Integers in each row is sorted from the left to the right.
The first integer of each row was greater than the last integer of the previous row.
For example,Consider the following matrix:[ [1, 3, 5, 7], [Ten, One,], [23, 30, 34, 50]]Given Target = 3 , return true .The condition of the first question is stronger than the second one, that is, the first element of
Reference
[1] http://stackoverflow.com/questions/1877987/whats-the-difference-between-quartz-core-core-graphics-and-quartz-2d
Quartz 2D is part of core graphic. quartz is a set of functions, data types, and objects. It is designed to directly draw views or images in memory.
The quartz 2D API is part of the core graphics framework, so you may see quartz referred
This series of articles is written by sky. For more information, see the source. Http://blog.csdn.net/qq573011406/article/details/8220208
Author: Yuan quanwei mail: qq573011406@126.com welcome mail exchange programming experience
Index of this series of tutorials:Tutorial series of 2D game engine Allegro (1) configure the allegro Development Environment2D game engine Allegro series tutorial (2) Hello world!2D
Ogre output screen 2d text (Overlay text), ogreoverlay
Reference: http://www.cnblogs.com/wanghao111/archive/2009/08/11/1543495.htmlReference: http://www.cnblogs.com/gogoplayer/archive/2008/05/09/1189795.html
Reference: Pro OGRE 3D Programming
(Owed by: spring night rain http://blog.csdn.net/chunyexiyu reprint please indicate the source)
The Ogre text generation method is divided into configuration file creation and program creation. The two are simil
In normal times, developers are inevitably required to perform various transformations on images. Sometimes the transformation may be complicated, for example, after translation, rotation, translation, and scaling.
Using formulas directly is not only complex, but also inefficient. In this case, you can combine multiple transformations into one by using the transformation matrix and matrix multiplication. Finally, you only need to use a matrix to process each vertex once to get the desired result
U3D's new 2D development method (
New Method and Application of 2D game development for airplane hitting in Unity3d-4.x)
Outline: Without ngui and tk2d plug-ins, U3D provides the most powerful built-in tools.
The development process is designed as follows:
Extract the genie from the image set. (These are different from the previous methods)
Continuous animation production.
Edit an animation
Use of m
PHP uses keys to sort two-dimensional arrays. PHP arrays have one-dimensional arrays instead of arrays. here we will analyze the PHP 2D array sorting techniques. PHP, an abbreviated name for nesting, is an English super Text preprocessing language (PHP: Hy PHP array has a one-dimensional array and not an array. here we will analyze the PHP 2D array sorting technique. PHP, an abbreviated name for nesting, is
Original: 3D image engine from zero: (2) It is not easy to draw a 2D line1. Mathematical analysis1) The problem of drawing straight lineI thought it would be easy to draw a straight line, take a straight line formula, traverse X for Y to draw out is not finished, but it is not true. Take the 2D line as an example, because the 3D line is just introducing a z-coordinate. The key question: The straight line w
First, spine useResearch 2D Skeletal animation, cyou friend introduced me spine this tool, developed from Esotericsoftware of a special 2D animation software, network information is very little, I this from the perspective of Dabbler art technology to briefly use the tutorial. There are several nice places to stay:1, the art before the preparation of the map for a bunch of small slices of the map. Do not
Title Link: https://leetcode.com/problems/range-sum-query-2d-immutable/Topic:Given a 2D matrix matrix, find the sum of the elements inside the rectangle defined by it upper left corner (Row1, col1) and lower right corner (Row2, col2).The above rectangle (with the red border) are defined by (row1, col1) = (2, 1) and (Row2, col2) = (4, 3), which contains sum = 8.Example:Given matrix = [ [3, 0, 1, 4, 2], [5,
Search a 2D Matrix IIWrite an efficient algorithm, searches for a value in a m x n Matrix. This matrix has the following properties:
Integers in each row is sorted in ascending from left to right.
Integers in each column is sorted in ascending from top to bottom.
For example,Consider the following matrix:[ [1, 4, 7, one, a], [2, 5, 8, 3, 6, 9, +, + ], [10, 13, 14, 17, 24], [18, 21, 23, 26, 30]]giventarget =5 , Returntrue .
-in-out the transition effect that starts and ends at a slow speed.
Cubic-bezier (n,n,n,n) defines its own value in Cubic-bezier, and the possible value is a number from 0 to 1.
Transition-delay define when an over-effect starts
Syntax: Transititon-delay:time;
TIME specifies how long to wait before the transition effect begins.
Example:Results:
Example: (Bézier curve)Results:
Example: (write with multiple variations)Results:
2.transformThe letter is the deformation, the
conversion is an effect of changing the shape, size, and position of an element, CSS3 includes 2D conversions and 3D conversions, where we only accept 2D conversions!
1.Translate () method
By the translate () method, the element is moved from its current position and converted according to the given positional parameters
Code implementation:
Actual effect:
2.Rotate () method
The element rotates the giv
iOS Quartz 2d drawing, drawing sometimes requires a graphical transformation.Remember: Quartz 2D Transformation is the beginning of the CG, do not mix with the core animation, Core Animatin is the beginning of the CA.iOS provides a set of API interfaces that can be used for image transformations, and general image transformations are divided into, pan, zoom, and rotate.Translationvoid CgcontextTranslateCTM
Reference: http://blog.sina.com.cn/s/blog_61feffe10100msbz.html, http://allenchou.net/2013/12/ game-physics-constraints-sequential-impulse/Constraint is the restriction of the movement of objects, can be used to deal with collisions, simulating joints and other things. For example, a collision is the minimum distance of two objects is at least 0, the joint is two objects are nailed together by a nail can only be rotated around the nail, the spring is the distance of two objects to remain within
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