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1 function init(w, h)
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2 {
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3 var gl = initWebGL("screen", "vshader", "fshader",
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4 [ "vNormal", "vTexCoord", "vPosition"],
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5 [ 0, 0, 0, 1 ], 10000);
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6
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7 if(!gl){
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8 return;
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9 }
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10 gl.uniform3f(gl.getUniformLocation(gl.program, "lightDir"), 0, -1, 0);
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11 gl.uniform1i(gl.getUniformLocation(gl.program, "sampler2d"), 0);
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12 gl.enable(gl.TEXTURE_2D);
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13 gl.sgroot = new SceneGraphRoot(gl,w,h);
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14 if(!gl.sgroot){
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15 return;
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16 }
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17 main(gl,gl.sgroot, w, h);
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18 return gl;
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19 }
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20
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21
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22
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23
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24 width = 1;
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25 height = -1;
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26
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27 function reshape(ctx, sgroot)
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28 {
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29 var canvas = document.getElementById('screen');
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30 if (canvas.width == width && canvas.width == height){
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31 return;
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32 }
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33 width = canvas.width;
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34 height = canvas.height;
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35 // 画面の調節はいまだ手作業
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36 ctx.viewport(0, 0, width, height);
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37 }
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38
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39 function drawPicture(ctx,sgroot,w,h)
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40 {
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41 reshape(ctx, sgroot);
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42 ctx.clear(ctx.COLOR_BUFFER_BIT | ctx.DEPTH_BUFFER_BIT);
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43 //sgroot.getCamera(ctx)
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44 MainLoop(ctx,sgroot,w,h);
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45 ctx.flush();
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46 framerate.snapshot();
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47 currentAngle += incAngle;
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48 if (currentAngle > 360){
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49 currentAngle -= 360;
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50 }
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51 }
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52
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53 function start(){
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54 var c = document.getElementById("screen");
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55 var w = Math.floor(window.innerWidth * 0.9);
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56 var h = Math.floor(window.innerHeight * 0.9);
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57 c.width = w;
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58 c.height = h;
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59 theta_xz = 90;
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60 theta_yz = 0;
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61 cameraAngle_xyz = new Array(0,0,0);
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62 var ctx = init(w, h);
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63 if(!ctx){
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64 return;
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65 }
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66 document.onkeydown = HandleKeyDown;
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67 document.onkeyup = HandleKeyUp;
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68 currentAngle = 0;
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69 incAngle = 2.0;
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70 var f = function() { drawPicture(ctx,ctx.sgroot,w,h) };
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71 setInterval(f, 10);
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72 framerate = new Framerate("framerate");
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73 }
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74
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