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test4t.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Phoria - Dev test page 4</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()
{
bitmaps.push(Phoria.Util.generateRadialGradientBitmap(32, "rgba(128,64,32,1)", "rgba(128,64,32,0)"));
// 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:5.0, z:-25.0};
scene.camera.lookat = {x:0.0, y:2.0, 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 grid to help visualise camera position etc.
var plane = Phoria.Util.generateTesselatedPlane(8,8,0,20);
scene.graph.push(Phoria.Entity.create({
points: plane.points,
edges: plane.edges,
style: {
drawmode: "wireframe",
shademode: "plain",
linewidth: 0.5,
objectsortmode: "back"
}
}));
scene.graph.push(new Phoria.DistantLight());
// particle emitter example
var emitter = Phoria.EmitterEntity.create({
position: {x:0, y:0, z:0},
positionRnd: {x:0.25, y:0.1, z:0.25},
rate: 75,
velocity: {x:0.15, y:0.15, z:0},
velocityRnd: {x:0.05, y:0.05, z:0.05},
lifetime: 2500,
lifetimeRnd: 250,
style: {
compositeOperation: "lighter",
shademode: "sprite",
linewidth: 32,
objectsortmode: "front",
sprite: 0
}
});
emitter.textures.push(bitmaps[0]);
scene.graph.push(emitter);
var pause = false;
var fnAnimate = function() {
if (!pause)
{
// execute the model view 3D pipeline and render the scene
scene.modelView();
renderer.render(scene);
}
requestAnimFrame(fnAnimate);
};
// key binding
document.addEventListener('keydown', function(e) {
switch (e.keyCode)
{
case 27:
if (pause) scene._lastTime = Date.now();
pause = !pause;
break;
}
}, false);
// 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 = 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 = 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);
f = gui.addFolder('Emitter');
f.add(emitter.style, "linewidth").min(8).max(64);
f.add(emitter, "rate").min(0).max(250);
f.add(emitter, "lifetime").min(0).max(5000);
f.add(emitter, "lifetimeRnd").min(0).max(5000);
f.add(emitter.position, "x").min(-10).max(10).step(0.1).name("position.x");
f.add(emitter.position, "y").min(-10).max(10).step(0.1).name("position.y");
f.add(emitter.position, "z").min(-10).max(10).step(0.1).name("position.z");
f.add(emitter.positionRnd, "x").min(0).max(5).step(0.05).name("positionRnd.x");
f.add(emitter.positionRnd, "y").min(0).max(5).step(0.05).name("positionRnd.y");
f.add(emitter.positionRnd, "z").min(0).max(5).step(0.05).name("positionRnd.z");
f.add(emitter.velocity, "x").min(-1).max(1).step(0.01).name("velocity.x");
f.add(emitter.velocity, "y").min(-1).max(1).step(0.01).name("velocity.y");
f.add(emitter.velocity, "z").min(-1).max(1).step(0.01).name("velocity.z");
f.add(emitter.velocityRnd, "x").min(0).max(1).step(0.01).name("velocityRnd.x");
f.add(emitter.velocityRnd, "y").min(0).max(1).step(0.01).name("velocityRnd.y");
f.add(emitter.velocityRnd, "z").min(0).max(1).step(0.01).name("velocityRnd.z");
f.open();
// start animation
requestAnimFrame(fnAnimate);
}
</script>
</head>
<body style="background-color: #444">
<canvas id="canvas" width="768" height="512" style="background-color: #000"></canvas>
<div><a style="color:#225588;text-decoration:none;" href="./index.html"><< Phoria demos</a></div>
</body>
</html>