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Diffstat (limited to 'demos/raytrace.html')
-rw-r--r-- | demos/raytrace.html | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/demos/raytrace.html b/demos/raytrace.html deleted file mode 100644 index b74b9a10..00000000 --- a/demos/raytrace.html +++ /dev/null @@ -1,64 +0,0 @@ -<html> -<head> - <title> - Emscripten: Raytracing - </title> - <script src="raytrace.js"></script> - <script type="text/javascript"> - // print function which the runtime will call - function print(text) { - document.getElementById('output').innerHTML = text; - } - - var drawingNow = false; - var calcedDepth = -1; - // Do everything - initialize SDL, set up canvas, render - function render(size, depth) { - var startTime = Date.now(); - - if (drawingNow) return; - drawingNow = true; - if (calcedDepth != depth) { - print('<b>Generating scene data, please wait...</b>'); - } - setTimeout(function() { - if (calcedDepth != depth) { - run([depth.toString()]); - calcedDepth = depth; - } - _SDL_Init(size); - var canvas = document.getElementById('canvas'); - canvas.width = canvas.height = size; - IHEAP[_screen] = _SDL_SetVideoMode(canvas.width, canvas.height, 32, 0, canvas); - var y = canvas.height-1; - function drawLine() { - print("Raytracing line: <b>" + (canvas.height-y) + "/" + canvas.height + '</b>'); - __ZL10trace_lineiii(canvas.width, canvas.width, y); - y--; - if (y >= 0) { - setTimeout(arguments.callee, 1); - } else { - print('Finished in ' + (Date.now() - startTime)/1000 + ' seconds.'); - drawingNow = false; - } - } - drawLine(); - }); - } - </script> -</head> -<body> - <canvas id='canvas' width=1 height=1></canvas> - <hr> - <form onsubmit="setTimeout(function() { render(parseInt(size.value), parseInt(depth.value)) }); return false"> - Rendered width/height (pixels): <input type="text" name="size" value="128">(use less for slower machines)<br> - Scene recursion (child spheres/sphere): <input type="text" name="depth" value="5">(use less for slower machines; careful with values > 6!)<br> - <input type="submit" value="Go!"> - </form> - <div id="output" style="font-family: Courier New,Courier,monospace;"></div> - <hr> - Simple raytracing demo. The <a href="http://ompf.org/ray/sphereflake/">original C++ source</a> was - automatically converted to JavaScript using <a href="http://emscripten.org">Emscripten</a>. -</body> -</html> - |