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16
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1
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2 // written in the D programming language
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3
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4 module samples.ChipmunkDemo;
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5
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6 import chipmunkd.chipmunk;
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7
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8 import drawSpace;
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9
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10 import core.stdc.stdlib;
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11
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12 alias cpSpace *function() demoInitFunc;
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13 alias void function(int ticks) demoUpdateFunc;
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14 alias void function()demoDestroyFunc;
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15
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16 struct chipmunkDemo {
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17 string name;
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18
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19 const drawSpaceOptions *drawOptions;
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20
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21 demoInitFunc initFunc;
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22 demoUpdateFunc updateFunc;
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23 demoDestroyFunc destroyFunc;
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24 }
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25
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24
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26 // special hack for OSX
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27 version(OSX) import std.random:uniform;
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28
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16
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29 static cpFloat
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30 frand()
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31 {
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24
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32 version(OSX){
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27
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33 return std.random.uniform(0.0f,1.0f);
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24
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34 }else{
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35 return cast(cpFloat)rand()/cast(cpFloat)RAND_MAX;
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36 }
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24
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37 }
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16
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38
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39 enum GRABABLE_MASK_BIT = (1<<31);
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40 enum NOT_GRABABLE_MASK = (~GRABABLE_MASK_BIT);
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