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test0uv.html
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test0uv.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Phoria - Dev test page 0uv</title>
<script src="scripts/gl-matrix.js"></script>
<script src="scripts/phoria-util.js"></script>
<script src="scripts/phoria-entity.js"></script>
<script src="scripts/phoria-scene.js"></script>
<script src="scripts/phoria-renderer.js"></script>
<script src='scripts/dat.gui.min.js'></script>
<script>
var requestAnimFrame = window.requestAnimationFrame || window.webkitRequestAnimationFrame ||
window.mozRequestAnimationFrame || window.msRequestAnimationFrame ||
function(c) {window.setTimeout(c, 15)};
/**
Phoria
pho·ri·a (fôr-)
n. The relative directions of the eyes during binocular fixation on a given object
*/
// bind to window onload event
window.addEventListener('load', onloadHandler, false);
var bitmaps = [];
function onloadHandler()
{
// get the images loading
var loader = new Phoria.Preloader();
bitmaps.push(new Image(), new Image());
loader.addImage(bitmaps[0], 'images/texture-wall.png');
loader.addImage(bitmaps[1], 'images/texture5.png');
loader.onLoadCallback(init);
}
function init()
{
// get the canvas DOM element and the 2D drawing context
var canvas = document.getElementById('canvas');
// create the scene and setup camera, perspective and viewport
var scene = new Phoria.Scene();
scene.camera.position = {x:0.0, y:20.0, z:-25.0};
scene.camera.lookat = {x:0.0, y:1.0, z:0.0};
scene.perspective.aspect = canvas.width / canvas.height;
scene.viewport.width = canvas.width;
scene.viewport.height = canvas.height;
// create a canvas renderer
var renderer = new Phoria.CanvasRenderer(canvas);
// add a subdivised plane to show benefit of uv coords on a large object
var p = Phoria.Util.generateTesselatedPlane(4,4,0,20, true);
var plane = Phoria.Entity.create({
points: p.points,
edges: p.edges,
polygons: p.polygons,
style: {
shademode: "plain",
texture: 0
}
});
plane.translateY(-1);
plane.textures.push(bitmaps[1]);
scene.graph.push(plane);
var c = Phoria.Util.generateUnitCube(2);
var cube = Phoria.Entity.create({
points: c.points,
edges: c.edges,
polygons: c.polygons
});
cube.textures.push(bitmaps[1]);
for (var i=0; i<4; i++)
{
cube.polygons[i].texture = 0;
// test UV coords - select a quarter of the texture for the cube faces
switch (i)
{
case 0:
x = 0; y = 0; break;
case 1:
x = 0.5; y = 0; break;
case 2:
x = 0; y = 0.5; break;
case 3:
x = 0.5; y = 0.5; break;
}
cube.polygons[i].uvs = [0+x,0+y,0.5+x,0+y,0.5+x,0.5+y,0+x,0.5+y];
}
scene.graph.push(cube);
var p = Phoria.Util.generatePyramid(2);
var pyramid = Phoria.Entity.create({
points: p.points,
edges: p.edges,
polygons: p.polygons,
style: {
texture: 0
}
});
pyramid.textures.push(bitmaps[0]);
for (var i=0; i<4; i++)
{
// test UV coords - select a section of the wall texture for the pyramid faces
pyramid.polygons[i].uvs = [0.5,0,1,0,0.75,0.5];
}
pyramid.translateY(2);
scene.graph.push(pyramid);
var s = Phoria.Util.generateSphere(1.5, 8, 16, true);
var sphere = Phoria.Entity.create({
points: s.points,
polygons: s.polygons,
style: {
color: [255,128,64],
diffuse: 0.5,
specular: 64,
texture: 0
}
});
sphere.translateY(6);
sphere.translateX(2);
var sphere_plain = new Phoria.Entity();
Phoria.Util.combine(sphere_plain, sphere);
sphere_plain.style.shademode = "plain";
sphere_plain.translateX(-5);
sphere_plain.scale(vec3.fromValues(1,3,1));
sphere.textures.push(bitmaps[1]);
sphere_plain.textures.push(bitmaps[1]);
scene.graph.push(sphere, sphere_plain);
scene.graph.push(Phoria.DistantLight.create({
direction: {x:0, y:-1, z:1},
intensity: 1.5
}));
/*sphere.id = "Sphere";
Phoria.Entity.debug(sphere, {
showId: true,
showPosition: true,
showAxis: true
});
sphere_plain.id = "Stretched Sphere";
Phoria.Entity.debug(sphere_plain, {
//showId: true,
showPosition: true,
//showAxis: true
});
Phoria.Entity.debug(sphere_plain, {
showId: true,
showPosition: false,
showAxis: true
});*/
var pause = false;
var fnAnimate = function() {
if (!pause)
{
// rotate local matrix of the cube
cube.rotateY(0.5*Phoria.RADIANS);
pyramid.rotateY(-0.25*Phoria.RADIANS);
sphere.rotateY(-0.25*Phoria.RADIANS);
sphere_plain.rotateY(0.25*Phoria.RADIANS);
// execute the model view 3D pipeline and render the scene
scene.modelView();
renderer.render(scene);
}
requestAnimFrame(fnAnimate);
};
// add GUI controls
var gui = new dat.GUI();
var f = gui.addFolder('Perspective');
f.add(scene.perspective, "fov").min(5).max(175);
f.add(scene.perspective, "near").min(1).max(100);
f.add(scene.perspective, "far").min(1).max(1000);
//f.open();
f = gui.addFolder('Camera LookAt');
f.add(scene.camera.lookat, "x").min(-100).max(100);
f.add(scene.camera.lookat, "y").min(-100).max(100);
f.add(scene.camera.lookat, "z").min(-100).max(100);
f.open();
f = gui.addFolder('Camera Position');
f.add(scene.camera.position, "x").min(-100).max(100);
f.add(scene.camera.position, "y").min(-100).max(100);
f.add(scene.camera.position, "z").min(-100).max(100);
f.open();
f = gui.addFolder('Camera Up');
f.add(scene.camera.up, "x").min(-10).max(10).step(0.1);
f.add(scene.camera.up, "y").min(-10).max(10).step(0.1);
f.add(scene.camera.up, "z").min(-10).max(10).step(0.1);
// key binding
document.addEventListener('keydown', function(e) {
switch (e.keyCode)
{
case 27:
{
pause = !pause;
break;
}
}
}, false);
// start animation
requestAnimFrame(fnAnimate);
}
</script>
</head>
<body style="background-color: #bfbfbf">
<canvas id="canvas" width="768" height="512" style="background-color: #eee"></canvas>
<div><a style="color:#225588;text-decoration:none;" href="./index.html"><< Phoria demos</a></div>
</body>
</html>