Changes between Initial Version and Version 1 of Projects/Springy Graph


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Timestamp:
Aug 7, 2005, 6:48:21 PM (16 years ago)
Author:
Cory McWilliams
Comment:

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  • Projects/Springy Graph

    v1 v1  
     1= Assignment 2 - A graph editor =
     2
     3[[Image(thumbnail.png,right)]]
     4
     5== Project Overview ==
     6
     7This project started out as an attempt to make a particle system
     8affected by interesting-looking physics which "balanced" a graph
     9automatically.  I settled on a compromise where it is more of a graph
     10editor with mathematical relationships which help slightly balance the
     11graph but don't actually model any real physics.
     12
     13Nodes that are near each other are pushed apart.  Nodes that are far apart
     14and connected by an edge are pulled together.
     15
     16== Interaction ==
     17
     18 * Keyboard: (primarily "extra" in terms of using the program)
     19    * Escape - exits
     20    * 1 - sets the edge length to the default
     21    * 2 and 3 - changes the edge length
     22    * 0 - sets the "force" strength to the default
     23    * - and + - changes the "force" strength
     24 * Mouse:
     25    * Right click to get a pop-up menu
     26    * Left click on the menu to do the following:
     27      * The yellow rectangle switches to the "node" tool.  When it is
     28        selected, clicking in the drawing area creates a new node.
     29      * The green line switches to the edge tool.  Press down near one node
     30        and release near another to draw an edge.  A temporary line is drawn
     31        to show you where it will be placed.
     32      * The red X removes all of the edges and nodes.
     33      * The play button pauses and unpauses the animation.
     34    * Drag nodes with the middle mouse button to move them
     35    * The node nearest the cursor is the "selected" node.  It is blue.
     36
     37== Files ==
     38 * assignment2.cpp - The one and only source file
     39 * globj - The executable
     40 * globj.png - A screenshot of a person
     41 * Makefile - A very simple, strict, yet sadly not very portable makefile
     42 * README - This
     43 * graph.txt - An example graph which can be loaded with the right mouse
     44                button's menu
     45
     46== Compilation Instructions ==
     47Compiled in Linux with:
     48 * gcc-3.3.1
     49 * glut-3.7.1