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webgl_shaders_ocean2.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style type="text/css">
body {
margin: 0px;
overflow: hidden;
font-family: Monospace;
text-align: center;
}
#info {
color: #fff;
position: absolute;
top: 10px;
width: 100%;
}
a { color: #09f; }
#type-status { font-weight: bold; }
</style>
</head>
<body>
<div id="info">
<a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - webgl ocean simulation<br/>
current simulation framebuffers type is <span id="type-status"></span><br/>
change type to <span id="change-type"></span>
</div>
<script src="../build/three.js"></script>
<script src="js/libs/stats.min.js"></script>
<script src="js/libs/dat.gui.min.js"></script>
<script src="js/controls/OrbitControls.js"></script>
<script src="js/shaders/OceanShaders.js"></script>
<script src="js/Ocean.js"></script>
<script>
var stats = new Stats();
document.body.appendChild( stats.dom );
var lastTime = ( new Date() ).getTime();
var types = { 'float': 'half-float', 'half-float': 'float' };
var hash = document.location.hash.substr( 1 );
if ( ! ( hash in types ) ) hash = 'half-float';
document.getElementById( 'type-status' ).innerHTML = hash;
document.getElementById( 'change-type' ).innerHTML = '<a href="#" onclick="return change(\'' + types[ hash ] + '\')">' + types[ hash ] + '</a>';
var lastTime = ( new Date() ).getTime();
function change( n ) {
location.hash = n;
location.reload();
return false;
}
var DEMO = {
ms_Renderer: null,
ms_Camera: null,
ms_Scene: null,
ms_Controls: null,
ms_Ocean: null,
Initialize: function () {
this.ms_Renderer = new THREE.WebGLRenderer();
this.ms_Renderer.setPixelRatio( window.devicePixelRatio );
this.ms_Renderer.context.getExtension( 'OES_texture_float' );
this.ms_Renderer.context.getExtension( 'OES_texture_float_linear' );
document.body.appendChild( this.ms_Renderer.domElement );
this.ms_Scene = new THREE.Scene();
this.ms_Camera = new THREE.PerspectiveCamera( 55.0, window.innerWidth / window.innerHeight, 0.5, 300000 );
this.ms_Camera.position.set( 450, 350, 450 );
this.ms_Camera.lookAt( 0, 0, 0 );
// Initialize Orbit control
this.ms_Controls = new THREE.OrbitControls( this.ms_Camera, this.ms_Renderer.domElement );
this.ms_Controls.userPan = false;
this.ms_Controls.userPanSpeed = 0.0;
this.ms_Controls.minDistance = 0;
this.ms_Controls.maxDistance = 2000.0;
this.ms_Controls.minPolarAngle = 0;
this.ms_Controls.maxPolarAngle = Math.PI * 0.495;
var gsize = 512;
var res = 1024;
var gres = res / 2;
var origx = - gsize / 2;
var origz = - gsize / 2;
this.ms_Ocean = new THREE.Ocean( this.ms_Renderer, this.ms_Camera, this.ms_Scene,
{
USE_HALF_FLOAT: hash === 'half-float',
INITIAL_SIZE: 256.0,
INITIAL_WIND: [ 10.0, 10.0 ],
INITIAL_CHOPPINESS: 1.5,
CLEAR_COLOR: [ 1.0, 1.0, 1.0, 0.0 ],
GEOMETRY_ORIGIN: [ origx, origz ],
SUN_DIRECTION: [ - 1.0, 1.0, 1.0 ],
OCEAN_COLOR: new THREE.Vector3( 0.004, 0.016, 0.047 ),
SKY_COLOR: new THREE.Vector3( 3.2, 9.6, 12.8 ),
EXPOSURE: 0.35,
GEOMETRY_RESOLUTION: gres,
GEOMETRY_SIZE: gsize,
RESOLUTION: res
} );
this.ms_Ocean.materialOcean.uniforms[ "u_projectionMatrix" ] = { value: this.ms_Camera.projectionMatrix };
this.ms_Ocean.materialOcean.uniforms[ "u_viewMatrix" ] = { value: this.ms_Camera.matrixWorldInverse };
this.ms_Ocean.materialOcean.uniforms[ "u_cameraPosition" ] = { value: this.ms_Camera.position };
this.ms_Scene.add( this.ms_Ocean.oceanMesh );
var gui = new dat.GUI();
gui.add( this.ms_Ocean, "size", 100, 5000 ).onChange( function ( v ) {
this.object.size = v;
this.object.changed = true;
} );
gui.add( this.ms_Ocean, "choppiness", 0.1, 4 ).onChange( function ( v ) {
this.object.choppiness = v;
this.object.changed = true;
} );
gui.add( this.ms_Ocean, "windX", - 15, 15 ).onChange( function ( v ) {
this.object.windX = v;
this.object.changed = true;
} );
gui.add( this.ms_Ocean, "windY", - 15, 15 ).onChange( function ( v ) {
this.object.windY = v;
this.object.changed = true;
} );
gui.add( this.ms_Ocean, "sunDirectionX", - 1.0, 1.0 ).onChange( function ( v ) {
this.object.sunDirectionX = v;
this.object.changed = true;
} );
gui.add( this.ms_Ocean, "sunDirectionY", - 1.0, 1.0 ).onChange( function ( v ) {
this.object.sunDirectionY = v;
this.object.changed = true;
} );
gui.add( this.ms_Ocean, "sunDirectionZ", - 1.0, 1.0 ).onChange( function ( v ) {
this.object.sunDirectionZ = v;
this.object.changed = true;
} );
gui.add( this.ms_Ocean, "exposure", 0.0, 0.5 ).onChange( function ( v ) {
this.object.exposure = v;
this.object.changed = true;
} );
},
Display: function () {
this.ms_Renderer.render( this.ms_Scene, this.ms_Camera );
},
Update: function () {
var currentTime = new Date().getTime();
this.ms_Ocean.deltaTime = ( currentTime - lastTime ) / 1000 || 0.0;
lastTime = currentTime;
this.ms_Ocean.render( this.ms_Ocean.deltaTime );
this.ms_Ocean.overrideMaterial = this.ms_Ocean.materialOcean;
if ( this.ms_Ocean.changed ) {
this.ms_Ocean.materialOcean.uniforms[ "u_size" ].value = this.ms_Ocean.size;
this.ms_Ocean.materialOcean.uniforms[ "u_sunDirection" ].value.set( this.ms_Ocean.sunDirectionX, this.ms_Ocean.sunDirectionY, this.ms_Ocean.sunDirectionZ );
this.ms_Ocean.materialOcean.uniforms[ "u_exposure" ].value = this.ms_Ocean.exposure;
this.ms_Ocean.changed = false;
}
this.ms_Ocean.materialOcean.uniforms[ "u_normalMap" ].value = this.ms_Ocean.normalMapFramebuffer.texture;
this.ms_Ocean.materialOcean.uniforms[ "u_displacementMap" ].value = this.ms_Ocean.displacementMapFramebuffer.texture;
this.ms_Ocean.materialOcean.uniforms[ "u_projectionMatrix" ].value = this.ms_Camera.projectionMatrix;
this.ms_Ocean.materialOcean.uniforms[ "u_viewMatrix" ].value = this.ms_Camera.matrixWorldInverse;
this.ms_Ocean.materialOcean.uniforms[ "u_cameraPosition" ].value = this.ms_Camera.position;
this.ms_Ocean.materialOcean.depthTest = true;
//this.ms_Scene.__lights[1].position.x = this.ms_Scene.__lights[1].position.x + 0.01;
this.Display();
},
Resize: function ( inWidth, inHeight ) {
this.ms_Camera.aspect = inWidth / inHeight;
this.ms_Camera.updateProjectionMatrix();
this.ms_Renderer.setSize( inWidth, inHeight );
this.Display();
}
};
DEMO.Initialize();
window.addEventListener( 'resize', function () {
DEMO.Resize( window.innerWidth, window.innerHeight );
} );
DEMO.Resize( window.innerWidth, window.innerHeight );
var render = function () {
requestAnimationFrame( render );
DEMO.Update();
stats.update();
};
render();
</script>
</body>
</html>