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<html>
<head>
<style>
body { margin: 0; }
canvas { width: 100%; height: 100% }
</style>
</head>
<body>
<script src="three.min.js"></script>
<script src="CSG.js"></script>
<script>
var renderer = new THREE.WebGLRenderer();
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.setAnimationLoop( drawFrame );
renderer.shadowMap.enabled = true;
renderer.shadowMap.type = THREE.PCFSoftShadowMap;
document.body.appendChild( renderer.domElement );
var scene = new THREE.Scene();
var aspect = window.innerWidth/window.innerHeight;
var camera = new THREE.PerspectiveCamera( 30, aspect );
// camera.position.set( 0, 1200, 0 );
// camera.lookAt( new THREE.Vector3(0, 0, -1) );
var CAM_HEIGHT = 10;
var cameraPos = new THREE.Vector3();
camera.position.set(0, CAM_HEIGHT, 0);
var cameraLook = new THREE.Vector3(0, CAM_HEIGHT, 1);
camera.lookAt(cameraLook);
var groundShape = new THREE.Shape();
groundShape.moveTo(-31, 142);
groundShape.lineTo(8, 142);
groundShape.lineTo(38, 164);
groundShape.lineTo(65, 151);
groundShape.lineTo(103, 204);
groundShape.lineTo(152, 214);
groundShape.lineTo(154, 201);
groundShape.lineTo(189, 152);
groundShape.lineTo(208, 123);
groundShape.lineTo(162, 111);
groundShape.lineTo(168, 91);
groundShape.lineTo(136, 90);
groundShape.lineTo(154, 30);
groundShape.lineTo(146, 6);
groundShape.lineTo(197, -38);
groundShape.lineTo(194, -95);
groundShape.lineTo(175, -74);
groundShape.lineTo(142, -88);
groundShape.lineTo(150, -112);
groundShape.lineTo(138, -121);
groundShape.lineTo(132, -142);
groundShape.lineTo(150, -152);
groundShape.lineTo(52, -246);
groundShape.lineTo(-11, -226);
groundShape.lineTo(-86, -276);
groundShape.lineTo(-100, -314);
groundShape.lineTo(-163, -286);
groundShape.lineTo(-116, -242);
groundShape.lineTo(-129, -213);
groundShape.lineTo(-70, -132);
groundShape.lineTo(-56, -136);
groundShape.lineTo(-26, -93);
groundShape.lineTo(-55, -87);
groundShape.lineTo(-80, -62);
groundShape.lineTo(-141, -92);
groundShape.lineTo(-162, -64);
groundShape.lineTo(-106, -20);
groundShape.lineTo(-142, 5);
groundShape.lineTo(-236, -8);
groundShape.lineTo(-252, 146);
groundShape.lineTo(-240, 169);
groundShape.lineTo(-106, 266);
groundShape.lineTo(-112, 162);
groundShape.lineTo(-64, 175);
groundShape.lineTo(-62, 201);
groundShape.lineTo(-24, 197);
var extrudeSettings = { depth: 3, bevelEnabled: true, bevelSegments: 2, steps: 2, bevelSize: 0.1, bevelThickness: 0.1 };
var ground = new THREE.Mesh(new THREE.ExtrudeGeometry( groundShape, extrudeSettings ),
new THREE.MeshPhongMaterial({ color: 'green' }));
ground.rotation.x = -Math.PI / 2;
ground.receiveShadow = true;
var uni = new THREE.Mesh(new THREE.BoxGeometry(28, 10, 20),
new THREE.MeshPhongMaterial({ color: 'gray' }));
uni.position.set(42, 5, -111);
uni.rotation.y = Math.PI / 4;
uni.castShadow = true;
scene.add(uni);
var mosque = new THREE.Mesh(new THREE.BoxGeometry(10, 12, 10),
new THREE.MeshPhongMaterial({ color: 0xdec687 }));
mosque.position.set(-181, 6, -30);
mosque.castShadow = true;
scene.add(mosque);
var founders = new THREE.Mesh(new THREE.BoxGeometry(30, 20, 30),
new THREE.MeshPhongMaterial({ color: 0xcdc1c1 }));
founders.position.set(-101, 10, 47);
founders.rotation.y = Math.PI / 4;
founders.castShadow = true;
scene.add(founders);
var lake = new THREE.Mesh(new THREE.BoxGeometry(40, 3, 50),
new THREE.MeshPhongMaterial({ color: 0x9cc0f9 }));
lake.position.set(66, 2, 159);
lake.rotation.y = -Math.PI / 4;
scene.add(lake);
scene.add(ground);
var light = new THREE.PointLight(0xffffff, 0.5);
light.position.set(0,200,0);
light.castShadow = true;
light.target = ground;
scene.add(light);
var ambient = new THREE.AmbientLight(0xffffff, 0.25);
scene.add(ambient);
var frame = 0;
const FRAMES_PER_MOVE = 400;
const FRAMES_ROTATE = 100;
var alpha = 0;
var update = true;
var toLerpPos = null;
var toLerpDir = null;
var tempLook = new THREE.Vector3();
var positions = [
[82, CAM_HEIGHT, -90], [42, CAM_HEIGHT, -111],
[-126, CAM_HEIGHT, -42], [-181, CAM_HEIGHT, -30],
[-48, CAM_HEIGHT, 26], [-101, CAM_HEIGHT, 47],
[21, CAM_HEIGHT, 107], [66, CAM_HEIGHT / 2, 159],
];
positions = positions.map(x => new THREE.Vector3(...x));
function drawFrame()
{
if (positions.length > 0 || alpha > 0) {
if (alpha < 0.1 && update) {
cameraPos = camera.position.clone();
toLerpPos = positions.shift();
toLerpDir = positions.shift();
update = false;
}
else if (alpha >= 1.2 && !update) {
update = true;
}
if (alpha >= 1.0) {
camera.lookAt(tempLook.lerpVectors(toLerpDir, positions[1], (alpha - 1.0) * 5));
}
else {
camera.lookAt(toLerpDir);
camera.position.lerpVectors(cameraPos, toLerpPos, alpha);
}
}
alpha = (frame % (FRAMES_PER_MOVE + FRAMES_ROTATE)) / FRAMES_PER_MOVE;
renderer.render( scene, camera );
frame++;
}
</script>
</body>
</html>
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