| Conditions | 4 |
| Total Lines | 113 |
| Lines | 0 |
| Ratio | 0 % |
| Changes | 0 | ||
Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.
For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.
Commonly applied refactorings include:
If many parameters/temporary variables are present:
| 1 | package org.gannacademy.cdf.turtlelogo.docs; |
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| 34 | public static void main(String[] args) { |
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| 35 | SavableTerrarium terrarium = new SavableTerrarium(); |
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| 36 | Turtle turtle = new Turtle(terrarium); |
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| 37 | resetDirectory(BASE_PATH); |
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| 38 | |||
| 39 | // cecil.png |
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| 40 | turtle.fd(100); |
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| 41 | turtle.lt(90); |
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| 42 | turtle.fd(100); |
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| 43 | turtle.lt(90); |
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| 44 | turtle.fd(100); |
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| 45 | turtle.lt(90); |
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| 46 | turtle.fd(100); |
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| 47 | terrarium.drawTo(site("cecil")); |
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| 48 | |||
| 49 | // resize for small figures |
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| 50 | terrarium.setSize(148, 92); // 148 is min width, 92:148 is golden ratio |
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| 51 | |||
| 52 | // trail.png |
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| 53 | terrarium.clear(); |
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| 54 | turtle.home(); |
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| 55 | turtle.hd(Turtle.WEST); |
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| 56 | for (double i = 0; i < 44; i++) { |
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| 57 | turtle.rt(15); |
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| 58 | turtle.fd(i / 3.0); |
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| 59 | } |
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| 60 | terrarium.drawTo(site("trail")); |
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| 61 | |||
| 62 | // move.png |
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| 63 | terrarium.clear(); |
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| 64 | turtle.home(); |
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| 65 | turtle.lt(36); |
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| 66 | turtle.tp(5, terrarium.getHeight() - 5); |
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| 67 | turtle.to(terrarium.getWidth() - 5, 5); |
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| 68 | terrarium.drawTo(site("move")); |
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| 69 | |||
| 70 | // turn.png |
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| 71 | terrarium.clear(); |
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| 72 | Turtle[] turtles = new Turtle[8]; |
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| 73 | int width = 115; |
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| 74 | for (int i = 0; i < turtles.length; i++) { |
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| 75 | turtles[i] = new Turtle(); |
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| 76 | turtles[i].tp((terrarium.getWidth() - width) / 2 + width / turtles.length * i, terrarium.getHeight() / 2); |
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| 77 | turtles[i].lt(180 / turtles.length * i); |
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| 78 | } |
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| 79 | turtle.tp((terrarium.getWidth() - width) / 2 + width, terrarium.getHeight() / 2); |
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| 80 | turtle.hd(180); |
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| 81 | terrarium.drawTo(site("turn")); |
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| 82 | for (int i = 0; i < turtles.length; i++) { |
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| 83 | turtles[i].tp(-10, -10); |
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| 84 | } |
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| 85 | |||
| 86 | // penColor.png |
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| 87 | terrarium.clear(); |
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| 88 | turtle.home(); |
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| 89 | turtle.tp(20, terrarium.getHeight() / 2); |
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| 90 | turtle.pc(Color.red); |
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| 91 | turtle.to(terrarium.getWidth() - 20, terrarium.getHeight() / 2); |
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| 92 | terrarium.drawTo(site("penColor")); |
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| 93 | |||
| 94 | // penWidth |
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| 95 | terrarium.clear(); |
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| 96 | turtle.tp(20, terrarium.getHeight() / 2); |
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| 97 | turtle.pc(Color.green); |
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| 98 | turtle.pw(15); |
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| 99 | turtle.to(terrarium.getWidth() - 20, terrarium.getHeight() / 2); |
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| 100 | terrarium.drawTo(site("penWidth")); |
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| 101 | |||
| 102 | // setBackground |
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| 103 | terrarium.clear(); |
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| 104 | turtle.home(); |
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| 105 | terrarium.setBackground(Color.pink); |
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| 106 | terrarium.drawTo(site("setBackground")); |
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| 107 | |||
| 108 | // moveTo |
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| 109 | terrarium.clear(); |
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| 110 | terrarium.setBackground(Color.white); |
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| 111 | turtle.pc(Color.black); |
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| 112 | turtle.pw(1); |
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| 113 | turtle.home(); |
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| 114 | turtle.lt(36); |
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| 115 | turtle.lt(90); |
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| 116 | turtle.tp(15, terrarium.getHeight() - 10); |
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| 117 | turtle.to(terrarium.getWidth() - 15, 10); |
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| 118 | terrarium.drawTo(site("moveTo")); |
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| 119 | |||
| 120 | // teleport |
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| 121 | terrarium.clear(); |
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| 122 | turtle.home(); |
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| 123 | turtle.tp(15, terrarium.getHeight() - 10); |
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| 124 | turtles[0].home(); |
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| 125 | turtles[0].tp(terrarium.getWidth() - 5, 10); |
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| 126 | terrarium.drawTo(site("teleport")); |
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| 127 | |||
| 128 | // hide |
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| 129 | terrarium.clear(); |
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| 130 | turtles[0].tp(-10, -10); |
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| 131 | turtle.home(); |
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| 132 | double side = terrarium.getWidth() / 3; |
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| 133 | turtle.tp(side, terrarium.getHeight() - (side / 2)); |
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| 134 | turtle.lt(60); |
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| 135 | turtle.fd(side); |
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| 136 | turtle.rt(120); |
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| 137 | turtle.fd(side); |
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| 138 | turtle.rt(120); |
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| 139 | turtle.fd(side); |
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| 140 | turtle.ht(); |
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| 141 | terrarium.drawTo(site("hide")); |
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| 142 | |||
| 143 | turtle.st(); |
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| 144 | terrarium.drawTo(site("show")); |
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| 145 | |||
| 146 | System.exit(0); |
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| 147 | } |
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| 149 |