Created
August 1, 2014 08:37
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Maze D3.js
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| body { | |
| background: #ececec; | |
| } | |
| </style> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script> | |
| var cellWidth = 20; | |
| var cellHeight = 20; | |
| var cellTypes = { | |
| wall: "X", | |
| empty: " ", | |
| visited: ".", | |
| path: "*", | |
| start: "S", | |
| goal: "G" | |
| } | |
| var maze1 = ["XXSXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", | |
| "XX*XXXXXXXXXXXXX.....XXXXXXXXXXX", | |
| "XX****XXXXXXXXXX.XXX XX XXXX", | |
| "XXXXX*XXXXXX....XXX XX XXX XXXXX", | |
| "XXX.X*XXXXXXX.XX XXX XX XX XXXX", | |
| "XXX..***XXXXX.XXXXXX XXXXXX XXXX", | |
| "XXXXXXX****...XXXXXX XXXX", | |
| "XXXXXXXXXX*XXXXX XXXXXXXXXXXXXXX", | |
| "XXXXXXXXXX XX XXXXX XXXX", | |
| "XXXXXXXXXX XXXXXXXX XXXX XXXX", | |
| "XXXXXXXXXXX XXXXXXXXXX XXXX XXXX", | |
| "XXXXXXXXXXX XXXX XXXX", | |
| "XXXXXXXXXXXXXXXXXXXXXXXX XX XXXX", | |
| "XXXXXX XXXX XX XXXX", | |
| "XXXXXX XXXXXXXXXXXX XX XXXX", | |
| "XXXXXX XXG XXXXXX XXXX XXXXXXX", | |
| "XXXXXX XXXXX XXX XX", | |
| "XXXXXX XXXXXXX XXXXXXXXXXX XXXXX", | |
| "XXXXXX XXXXXXX XXXXXXXXXXXXXXXXX", | |
| "XXXXXX XXXXXXXXXXXXXX"]; | |
| function drawMaze(maze, svg){ | |
| var size = { | |
| width : maze[0].length, | |
| height : maze.length | |
| }; | |
| // scale svg | |
| svg.attr("width", size.width*cellWidth).attr("height", size.height*cellHeight); | |
| for(var i = 0; i < size.height;i++){ | |
| for(var j = 0; j < size.width;j++){ | |
| // draw a rectangle for each maze cell | |
| var cell = svg.append("rect").attr("x", j*cellWidth).attr("y", i*cellHeight).attr("width", cellWidth).attr("height", cellHeight); | |
| switch (maze[i][j]) { | |
| case cellTypes.wall: | |
| cell.style("fill", "purple"); | |
| break; | |
| case cellTypes.empty: | |
| cell.style("fill", "white"); | |
| break; | |
| case cellTypes.start: | |
| cell.style("fill", "green"); | |
| break; | |
| case cellTypes.goal: | |
| cell.style("fill", "red"); | |
| break; | |
| case cellTypes.visited: | |
| cell.style("fill", "rgba(55,55,55,0.2)"); | |
| break; | |
| case cellTypes.path: | |
| cell.style("fill", "rgba(55,55,55,0.2)"); | |
| svg.append("circle").attr("cx", j*cellWidth+(cellWidth/2)).attr("cy", i*cellHeight+(cellHeight/2)).attr("r", cellWidth/3).style("fill", "#333"); | |
| break; | |
| } | |
| } | |
| } | |
| } | |
| // create svg | |
| var svg = d3.select("body").append("svg"); | |
| // copy maze | |
| var maze = maze1.slice(); | |
| // and draw it! | |
| drawMaze(maze,svg); | |
| </script> |
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