зеркало из https://github.com/mozilla/pjs.git
101 строка
2.7 KiB
HTML
101 строка
2.7 KiB
HTML
<html>
|
|
<head>
|
|
<script type="application/x-javascript">
|
|
|
|
var gl = null;
|
|
|
|
function draw() {
|
|
// set up and draw geometry
|
|
var vertArray = [ -1, 1, 0,
|
|
-1, -1, 0,
|
|
1, 1, 0,
|
|
1, -1, 0 ];
|
|
var normArray = [ 0, 0, 1,
|
|
0, 0, 1,
|
|
0, 0, 1,
|
|
0, 0, 1 ];
|
|
var texCoordArray = [ 0, 1,
|
|
0, 0,
|
|
1, 1,
|
|
1, 0 ];
|
|
var colorArray = [ 1, 1, 1, 1,
|
|
1, 1, 1, 1,
|
|
1, 1, 1, 1,
|
|
1, 1, 1, 1 ];
|
|
|
|
gl.vertexPointer(3, gl.FLOAT, vertArray);
|
|
gl.normalPointer(gl.FLOAT, normArray);
|
|
gl.texCoordPointer(2, gl.FLOAT, texCoordArray);
|
|
gl.colorPointer(4, gl.FLOAT, colorArray);
|
|
|
|
gl.enableClientState(gl.VERTEX_ARRAY);
|
|
gl.enableClientState(gl.NORMAL_ARRAY);
|
|
gl.enableClientState(gl.TEXTURE_COORD_ARRAY);
|
|
gl.enableClientState(gl.COLOR_ARRAY);
|
|
|
|
gl.drawArrays(gl.TRIANGLE_STRIP, 0, vertArray.length / 3);
|
|
|
|
gl.disableClientState(gl.VERTEX_ARRAY);
|
|
gl.disableClientState(gl.NORMAL_ARRAY);
|
|
gl.disableClientState(gl.TEXTURE_COORD_ARRAY);
|
|
gl.disableClientState(gl.COLOR_ARRAY);
|
|
}
|
|
|
|
function startTextureLoad() {
|
|
var img = document.createElement("img");
|
|
img.onload = function () {
|
|
// set up texture
|
|
var texId = (gl.genTextures(1))[0];
|
|
gl.bindTexture(gl.TEXTURE_2D, texId);
|
|
gl.texParameter(gl.TEXTURE_2D, gl.GENERATE_MIPMAP, true);
|
|
gl.texImage2DHTML(gl.TEXTURE_2D, img);
|
|
gl.enable(gl.TEXTURE_2D);
|
|
|
|
draw();
|
|
gl.swapBuffers();
|
|
};
|
|
img.src = "tex.png";
|
|
}
|
|
|
|
function doload() {
|
|
var cvs = document.getElementById('canvas');
|
|
gl = cvs.getContext('moz-gles11');
|
|
|
|
gl.clearColor(.2,.2,.4,1);
|
|
gl.clear(gl.COLOR_BUFFER_BIT);
|
|
|
|
// (optionally) set up lighting
|
|
if (0) {
|
|
gl.enable(gl.LIGHTING);
|
|
gl.light(gl.LIGHT0, gl.AMBIENT, [1.0, 1.0, 1.0, 1]);
|
|
gl.light(gl.LIGHT0, gl.DIFFUSE, [1.0, 1.0, 1.0, 1]);
|
|
gl.light(gl.LIGHT0, gl.POSITION, [3, 3, -5, 0]);
|
|
gl.light(gl.LIGHT0, gl.SPECULAR, [1, 1, 1, 1]);
|
|
gl.enable(gl.LIGHT0);
|
|
}
|
|
|
|
// set up our viewing parameters
|
|
gl.matrixMode(gl.PROJECTION);
|
|
gl.loadIdentity();
|
|
gl.gluPerspective(45, 1, 0.1, 20);
|
|
|
|
gl.matrixMode(gl.MODELVIEW);
|
|
gl.loadIdentity();
|
|
gl.gluLookAt(0, 0, 4,
|
|
0, 0, 0,
|
|
0, 1, 0);
|
|
|
|
startTextureLoad();
|
|
|
|
draw ();
|
|
|
|
gl.swapBuffers();
|
|
}
|
|
</script>
|
|
</head>
|
|
|
|
<body onload="doload()">
|
|
<canvas id="canvas" width="400" height="400" style="border: 2px solid black;"></canvas>
|
|
</body>
|
|
</html>
|