";
document.getElementById('info').style.display = "block";
return;
}
}
function getHeightNormalMap(img) {
var canvas = document.createElement( 'canvas' );
canvas.width = 127;
canvas.height = 127;
var context = canvas.getContext( '2d' );
var size = 127 * 127, data = new Float32Array( size );
context.drawImage(img,0,0);
for ( var i = 0; i < size; i ++ ) {
data[i] = 0
}
var imgd = context.getImageData(0, 0, 127, 127);
var pix = imgd.data;
var j=0;
for (var i = 0, n = pix.length; i < n; i += (4)) {
var all = pix[i]+pix[i+1]+pix[i+2];
data[j++] = all/30;
}
return data;
}
function getWireFrame () {
return new THREE.MeshLambertMaterial( { color:0x231ad4, opacity: 0.65, shading: THREE.FlatShading } );
}
function getTerrain () {
var terrainMaterial = new THREE.MeshPhongMaterial( { map: new THREE.Texture(null, THREE.UVMapping, THREE.RepeatWrapping, THREE.RepeatWrapping), ambient: 0xaaaaaa, specular: 0xffffff, shininess: 0, shading: THREE.SmoothShading } );
var img = new Image();
terrainMaterial.map.image = img;
img.onload = function () {
terrainMaterial.map.image.loaded = 1;
};
img.src = "//terrain.jpg";
return terrainMaterial;
}
function animate() {
requestAnimationFrame( animate );
MainLoop();
}
function MainLoop() {
var dist = 4000;
camera.position.x = dist*Math.cos(r);
camera.position.z = dist*Math.sin(r);
cubeMesh.position.y = floor + 1500 - (Math.sin(r*5)*1000);
cubeMesh.position.x = 500 - (Math.cos(r*5)*1000);
cubeMesh.position.z = 500 - (Math.sin(r*5)*1000);
r += 0.005;
if ( render_gl && is_gl ) {
webglRenderer.render( scene, camera );
}
}