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test8.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Phoria - Dev test page 8</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>
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 canvas DOM element and the 2D drawing context
var canvas = document.getElementById('canvas');
// remove frame margin and scrollbars when maxing out size of canvas
document.body.style.margin = "0px";
document.body.style.overflow = "hidden";
// get dimensions of window and resize the canvas to fit
var width = window.innerWidth,
height = window.innerHeight;
canvas.width = width;
canvas.height = height;
// create the scene and setup camera, perspective and viewport
var scene = new Phoria.Scene();
scene.camera.position = {x:-150, y:15.0, 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);
// random starfield object - centered on the origin
var fnGenerateStarfield = function(num, scale) {
scale = scale || 1;
var s = scale / 2;
var points = [];
for (var i = 0; i < num; i++) {
points.push({x:Math.random()*scale-s, y:Math.random()*scale-s, z:Math.random()*scale-s});
}
return Phoria.Entity.create({
points: points,
style: {
color: [200+~~(Math.random()*55),200+~~(Math.random()*55),200+~~(Math.random()*55)],
drawmode: "point",
shademode: "plain",
linewidth: 0.5,
linescale: 200,
sortmode: "unsorted"
}
});
};
var starfield = fnGenerateStarfield(2000,5000);
starfield.matrix = null;
scene.graph.push(starfield);
var sun = Phoria.Entity.create({
id: "sun",
points: [{x:0,y:0,z:100}],
style: {
color: [255,255,0],
drawmode: "point",
shademode: "plain",
linewidth: 1000,
linescale: 1,
sortmode: "unsorted"
}
})
sun.matrix = null;
scene.graph.push(sun);
// fake sun light
scene.graph.push(Phoria.DistantLight.create({
color: [1,1,0.5],
direction: {x:0.5, y:0.5, z:-1},
intensity: 1
}));
// cobra MK3
var cobra1 = Phoria.Entity.create({
points: [{x:0.00000,y:15.00000,z:0.00000},
{x:16.00000,y:-0.50000,z:32.50000},
{x:-16.00000,y:-0.50000,z:32.50000},
{x:16.00000,y:-15.00000,z:-32.50000},
{x:-16.00000,y:-15.00000,z:-32.50000},
{x:-44.00000,y:10.00000,z:-32.50000},
{x:-60.00000,y:-3.00000,z:-13.00000},
{x:-65.00000,y:-3.00000,z:-32.50000},
{x:44.00000,y:10.00000,z:-32.50000},
{x:60.00000,y:-3.00000,z:-13.00000},
{x:65.00000,y:-3.00000,z:-32.50000},
{x:0.00000,y:15.00000,z:-32.50000}],
polygons: [{vertices:[8,0,1]},
{vertices:[1,0,2]},
{vertices:[9,1,3]},
{vertices:[1,2,4]},
{vertices:[3,1,4]},
{vertices:[6,7,4]},
{vertices:[2,0,5]},
{vertices:[6,2,5]},
{vertices:[4,2,6]},
{vertices:[6,5,7]},
{vertices:[11,0,8]},
{vertices:[5,11,8]},
{vertices:[7,5,8]},
{vertices:[4,7,8]},
{vertices:[3,4,8]},
{vertices:[10,3,8]},
{vertices:[8,1,9]},
{vertices:[10,8,9]},
{vertices:[3,10,9]},
{vertices:[5,0,11]}],
style: {
color: [200,202,210],
shademode: "lightsource"
}
});
cobra1.scaleN(0.2);
var cobra2 = new Phoria.Entity(), cobra3 = new Phoria.Entity();
Phoria.Util.combine(cobra2, cobra1);
Phoria.Util.combine(cobra3, cobra1);
cobra1.translateY(-500).rotateX(-Math.PI*0.5);
cobra1.onScene(function() {
this.translateZ(2.5);
this.rotateZ(Math.PI*0.003)
});
cobra2.translateX(175).translateY(-600).rotateX(-Math.PI*0.45);
cobra2.onScene(function() {
this.translateZ(2.75);
this.rotateZ(-Math.PI*0.001)
});
cobra3.translateZ(-100).translateY(-450).rotateX(-Math.PI*0.55);
cobra3.onScene(function() {
this.translateZ(2.35);
this.rotateZ(Math.PI*0.002)
});
// comet - particle emitter
bitmaps.push(Phoria.Util.generateRadialGradientBitmap(32, "rgba(128,128,140,1)", "rgba(128,128,160,0)"));
var emitter = Phoria.EmitterEntity.create({
positionRnd: {x:0, y:0.15, z:0},
rate: 75,
velocity: {x:-0.15, y:0, z:0},
velocityRnd: {x:0.05, y:0, z:0},
lifetime: 1000,
lifetimeRnd: 500,
gravity: false,
style: {
compositeOperation: "lighter",
shademode: "sprite",
linewidth: 32,
sprite: bitmaps[0]
}
});
// start over to the left, and move along the X axis
emitter.translateX(-200);
var emitterVel = [0.5,0,0];
emitter.onScene(function() {
this.translate(emitterVel);
});
scene.graph.push(emitter);
// emitter is a source of light
emitter.children.push(Phoria.PointLight.create({
color: [0.95,0.95,1],
intensity: 5
}));
// add the cobras last to make them easy to remove
scene.graph.push(cobra1, cobra2, cobra3);
// camera track the emitter object position
scene.onCamera(function(position, lookAt, up) {
if (emitter.worldposition)
{
lookAt[0] = emitter.worldposition[0];
lookAt[1] = emitter.worldposition[1];
lookAt[2] = emitter.worldposition[2];
}
});
// triggers for camera animation etc.
var then = Date.now() / 100;
scene.triggerHandlers.push({
trigger: function() {
// once emitter goes past us, remove the cobras from the scene
// TODO: find a better way to do this? onScene() and remove by ID?
if (emitter.worldposition[0] > 0)
{
scene.graph.splice(scene.graph.length - 3, 3);
return true;
}
}
});
scene.triggerHandlers.push({
trigger: function() {
// once emitter goes past us, move camera above the object and track along with it
if (emitter.worldposition[0] > 0)
{
scene.camera.position.x = emitter.worldposition[0];
scene.camera.position.y = 30;
scene.camera.position.z = (Date.now()/100) - then - 150;
}
// emitter goes up when it passes a certain point
if (emitter.worldposition[0] > 150)
{
// tween the velocity x/y of the object (and the particle output velocity)
if (emitterVel[1] < 0.5)
{
emitter.velocity.x += 0.003;
emitter.velocity.y -= 0.003;
emitterVel[0] -= 0.01;
emitterVel[1] += 0.01;
}
else
{
// once the velocity is fully set, start the next trigger
scene.triggerHandlers.push({
trigger: function() {
// once it is high enough, blow it up!
if (emitter.worldposition[1] > 100)
{
emitter.velocity = {x:0, y:0, z:0};
emitter.velocityRnd = {x:1, y:1, z:1};
emitter.gravity = true;
emitter.rate = 500;
emitter.style.linewidth = 32;
emitterVel = [0,0,0];
var time = Date.now();
scene.triggerHandlers.push({
trigger: function() {
// end the explosion after a few ms
if (Date.now() > time + 300)
{
emitter.rate = 0;
return true;
}
}
});
return true;
}
}
});
return true;
}
}
}
});
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);
// start animation
requestAnimFrame(fnAnimate);
}
</script>
</head>
<body style="background-color: #000">
<canvas id="canvas" style="background-color: #000"></canvas>
<div><a style="color:#225588;text-decoration:none;" href="./index.html"><< Phoria demos</a></div>
</body>
</html>