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_test-spotlight.html
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<!DOCTYPE html>
<html>
<head>
<style type="text/css">
body {
width: 100%;
height: 100%;
padding: 0;
margin: 0;
overflow: hidden;
}
</style>
<script src="lib/jsmodplayer/src/modfile.js"></script>
<script src="lib/jsmodplayer/src/xmfile.js"></script>
<script src="lib/jsmodplayer/src/modplayer.js"></script>
<script src="lib/jsmodplayer/src/support.js"></script>
<script src="lib/cubicvr/CubicVR.js"></script>
<script src="lib/dsp.js"></script>
<script src="js/audio.js"></script>
<script src="js/bitFont.js" type="text/javascript" charset="utf-8"></script>
<script src="js/bitFont3D.js" type="text/javascript" charset="utf-8"></script>
<script>
var shaderList = [];
var fxChain;
var letters = [];
var scene;
document.addEventListener('DOMContentLoaded', function (e) {
var canvas = document.createElement('canvas');
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
var gl = CubicVR.GLCore.init(canvas, 'lib/cubicvr/CubicVR_Core.vs', 'lib/cubicvr/CubicVR_Core.fs');
if (!gl) {
return;
}
// expose the alphaDepth buffer
shaderDepth = new CubicVR.PostProcessShader({
shader_vertex:"lib/cubicvr/post_shaders/fx_general.vs",
shader_fragment:"lib/cubicvr/post_shaders/alpha_depth.fs",
});
// simple color invert
shaderInvert = new CubicVR.PostProcessShader({
shader_vertex:"lib/cubicvr/post_shaders/fx_general.vs",
shader_fragment:"lib/cubicvr/post_shaders/invert.fs"
});
shaderDOF6 = new CubicVR.PostProcessShader({
shader_vertex:"lib/cubicvr/post_shaders/fx_general.vs",
shader_fragment:"lib/cubicvr/post_shaders/dof_6tap.fs",
init: function(shader) {
shader.addFloat("near_depth");
shader.addFloat("far_depth");
},
onupdate: function(shader) {
// linear depth
var d = CubicVR.vec3.length(scene.camera.position,scene.camera.target);
shader.setFloat("near_depth",(d-0.5-scene.camera.nearclip)/scene.camera.farclip);
shader.setFloat("far_depth",(d+4-scene.camera.nearclip)/scene.camera.farclip);
}
});
shaderSSAO = new CubicVR.PostProcessShader({
shader_vertex:"lib/cubicvr/post_shaders/fx_general.vs",
shader_fragment:"lib/cubicvr/post_shaders/ssao.fs",
});
// Bloom + 1/2 divisor + blend
shaderHalfBloom = new CubicVR.PostProcessShader({
shader_vertex:"lib/cubicvr/post_shaders/fx_general.vs",
shader_fragment:"lib/cubicvr/post_shaders/bloom_6tap.fs",
outputMode: CubicVR.enums.post.output.ADD,
outputDivisor: 2
});
// Bloom + 1/4 divisor + blend
shaderQuarterBloom = new CubicVR.PostProcessShader({
shader_vertex:"lib/cubicvr/post_shaders/fx_general.vs",
shader_fragment:"lib/cubicvr/post_shaders/bloom_6tap.fs",
outputMode: CubicVR.enums.post.output.ADD,
outputDivisor: 4
});
var i = 0;
var shaderActive = 0;
fxSelect = document.getElementById("shaderSelector");
fxSelect.options[i] = new Option("Depth Buffer View",i++);
fxSelect.options[i] = new Option("Invert Color",i++);
fxSelect.options[i] = new Option("Screen-Space Ambient Occlusion",i++);
fxSelect.options[shaderActive=i] = new Option("6-Tap Depth Of Field",i++);
fxSelect.options[i] = new Option("6-Tap Bloom, 1/2 blend",i++);
fxSelect.options[i] = new Option("6-Tap Bloom, 1/4 blend",i++);
// fxSelect.selectedIndex = fxSelect.options.length-1;
fxSelect.selectedIndex = shaderActive;
shaderList.push(shaderDepth);
shaderList.push(shaderInvert);
shaderList.push(shaderSSAO);
shaderList.push(shaderDOF6);
shaderList.push(shaderHalfBloom);
shaderList.push(shaderQuarterBloom);
fxChain = new CubicVR.PostProcessChain(canvas.width,canvas.height,true);
fxChain.setBlurOpacity(1);
fxChain.setBlurIntensity(0);
for (var i = 0; i < shaderList.length; i++)
{
fxChain.addShader(shaderList[i]);
shaderList[i].enabled = false;
}
shaderList[fxSelect.selectedIndex].enabled = true;
var fft;
var audioBuffer;
var signal = new Float32Array(4096);
var audioEngine = new AudioEngine(null,function (data) {
fft.forward(data);
audioBuffer = data;
for (var i=0, l=4096; i<l; ++i) {
if (fft.spectrum[i] > signal[i]) {
signal[i] = fft.spectrum[i];
}
else {
signal[i]*=0.45;
} //if
} //for
});
audioEngine.playMod('mod.mod');
audioEngine.audioObject.volume = 1;
fft = new FFT(4096, 44100);
var logoMaterial = new CubicVR.Material({
textures: {
color: new CubicVR.Texture("img/logo.jpg"),
alpha: new CubicVR.Texture("img/logo-alpha.jpg"),
},
opacity: 0.99,
});
var logoMesh = CubicVR.primitives.plane({
size: 1.0,
material: logoMaterial,
uvmapper: {
projectionMode: CubicVR.enums.uv.projection.PLANAR,
projectionAxis: CubicVR.enums.uv.axis.Z,
scale: [1, 1, 1]
}
});
logoMesh.triangulateQuads().compile().clean();
var tWidth = 200;
var tHalfWidth = tWidth/2;
var tEdge = tHalfWidth-10;
var TWO_PI = Math.PI*2;
var skip = 4;
var floorTextureColor = new CubicVR.CanvasTexture({
update: function (canvas, ctx) {
ctx.clearRect(0, 0, canvas.width, canvas.height);
ctx.lineWidth = 5;
ctx.fillStyle = "rgb(40, 40, 40)";
ctx.fillRect(0, 0, canvas.width, canvas.height);
if (audioBuffer) {
for (var i=0, l=signal.length; i<l && i<tEdge; i+=skip) {
var c = Math.min(255, Math.round(signal[i] * 1000) + 64);
ctx.strokeStyle = "rgb("+c+", "+c+", "+c+")";
ctx.beginPath();
ctx.arc(tHalfWidth, tHalfWidth, i, 0, TWO_PI, true);
ctx.stroke();
} //for
} //if
},
width: tWidth,
height: tWidth,
});
var floorTextureBump = new CubicVR.CanvasTexture({
update: function (canvas, ctx) {
ctx.clearRect(0, 0, canvas.width, canvas.height);
ctx.lineWidth = 5;
if (audioBuffer) {
for (var i=0, l=signal.length; i<l && i<tEdge; i+=skip) {
var c = Math.min(255, Math.round(signal[i] * 1000) + 64);
ctx.strokeStyle = "rgb("+c+", "+c+", "+c+")";
ctx.beginPath();
ctx.arc(tHalfWidth, tHalfWidth, i, 0, TWO_PI, true);
ctx.stroke();
} //for
} //if
},
width: tWidth,
height: tWidth,
});
var floorTextureNormal = new CubicVR.NormalMapGen(floorTextureBump, 512, 512);
var floorMaterial = new CubicVR.Material({
textures: {
color: floorTextureColor,
bump: floorTextureBump,
normal: floorTextureNormal,
},
opacity: 1,
});
var floorMesh = CubicVR.primitives.plane({
size: 20.0,
material: floorMaterial,
uvmapper: {
projectionMode: CubicVR.enums.uv.projection.PLANAR,
projectionAxis: CubicVR.enums.uv.axis.Z,
scale: [20.5, 20.5, 1]
}
});
floorMesh.triangulateQuads().compile().clean();
scene = new CubicVR.Scene(canvas.width, canvas.height, 80, 0.01, 100);
var floorObject = new CubicVR.SceneObject(floorMesh);
var logoObject = new CubicVR.SceneObject(logoMesh);
floorObject.rotation[0] = 90;
floorObject.position[1] = -1;
// in this order because of depth buffer quirks
scene.bindSceneObject(floorObject);
// scene.bindSceneObject(logoObject);
scene.camera.position = [1, 0.5, -1];
scene.camera.target = [0, 0, 0];
CubicVR.setGlobalDepthAlpha(true,scene.camera.nearclip,scene.camera.farclip);
/*
planeObject.motion = new CubicVR.Motion();
planeObject.motion.setKey(CubicVR.enums.motion.ROT, 1, 0, 0);
planeObject.motion.setKey(CubicVR.enums.motion.ROT, 1, 2.5, -180).tension = 1;
planeObject.motion.setKey(CubicVR.enums.motion.ROT, 1, 5, 360).tension = 1;
planeObject.motion.setKey(CubicVR.enums.motion.ROT, 1, 6, 360);
planeObject.motion.setBehavior(CubicVR.enums.motion.ROT, 1, CubicVR.enums.envelope.behavior.CONSTANT, CubicVR.enums.envelope.behavior.OFFSET);
*/
// var dirLight = new CubicVR.Light({
// type: CubicVR.enums.light.type.DIRECTIONAL,
// specular: [0.4,0.4,0.4],
// direction: CubicVR.vec3.normalize([0.5,-1,0.5])
// });
// scene.bindLight(dirLight);
// var pLight = new CubicVR.Light({
// type: CubicVR.enums.light.type.POINT,
// specular: [0.4, 0.4, 0.4],
// intensity: 1,
// distance: 20,
// position: [0, 1.5, 0],
// });
// scene.bindLight(pLight);
var spotLight = new CubicVR.Light({
type: CubicVR.enums.light.type.SPOT,
specular: [0.4,0.4,0.4],
diffuse: [1,1,1],
intensity: 5,
distance: 20,
cutoff: 25,
position: [7,10,-5]
});
scene.bindLight(spotLight);
var bf3d = new bitFont3D("box");
bf3d.loadFont();
var fontObj = new CubicVR.SceneObject({mesh:bf3d.chars[65], position:[0,0,0], scale:[1,1,1]});
letters.push(fontObj);
scene.bindSceneObject(fontObj);
window.addEventListener("keypress",function (e) {
// var key=(typeof event!='undefined')?window.event.keyCode:e.keyCode;
// fontObj.obj = bf3d.chars[e.charCode];
var newfontObj = new CubicVR.SceneObject({mesh:bf3d.chars[e.charCode], position:[(Math.random()-0.5)*10.0,(Math.random())*3.0,(Math.random()-0.5)*10.0], scale:[1,1,1]});
letters.push(newfontObj);
scene.bindSceneObject(newfontObj);
},true);
CubicVR.MainLoop(function(timer, gl) {
var seconds = timer.getSeconds();
spotLight.lookAt([5.0*Math.sin(seconds),0,5.0*Math.sin(seconds)]);
fxChain.begin();
// Clear the FX buffer
gl.clearColor(0.0, 0.0, 0.0, 1.0);
gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
scene.render();
fxChain.end();
fxChain.render();
scene.evaluate(timer.getSeconds());
logoObject.rotation[1] = Math.sin(seconds)*180 + Math.sin(seconds/2)*540 + Math.sin(seconds/8)*1080;
floorTextureColor.update();
floorTextureBump.update();
floorTextureNormal.update();
// pLight.position[0] = Math.sin(seconds/10)*10;
// pLight.position[2] = Math.cos(seconds/10)*10;
scene.camera.position[0] = 2 * Math.sin(seconds/5) + Math.cos(seconds/2) * 1.5;
scene.camera.position[2] = 2 * Math.cos(seconds/5) + Math.cos(seconds/2) * 1.5;
});
document.body.appendChild(canvas);
//new CubicVR.MouseViewController(canvas, scene.camera);
}, false);
function selectShaderFX(elem)
{
fxSelect = document.getElementById("shaderSelector");
for (var i = 0; i < fxSelect.length; i++)
{
shaderList[i].enabled = (fxSelect.options[i].selected)?true:false;
}
}
function clearLetters() {
for (var i = 0, iMax = letters.length; i < iMax; i++) {
scene.removeSceneObject(letters[i]);
delete letters[i];
}
letters = [];
}
</script>
</head>
<body>
<div style='position:absolute; top:10px; left:10px; color:white; font-family:Arial; font-size:14px;'>
Change FX (multi): <a href="javascript:void(0)" onclick="document.getElementById('fxDiv').style.display=(document.getElementById('fxDiv').style.display=='none')?'':'none';" style='text-decoration:none'>( toggle )</a><div style='' id='fxDiv'><br /><select id="shaderSelector" onchange="selectShaderFX(this)" multiple size="15" style='vertical-align:top'></select><br/>
Blur opac: <input type='text' onchange="fxChain.setBlurOpacity(parseFloat(this.value))" size='4' value="1"> intens:<input type='text' onchange="fxChain.setBlurIntensity(parseFloat(this.value))" size='4' value="0"><br/><input type='button' value="Clear Letters" onclick='clearLetters()'></div>
</div>
</body>
</html>