Computer-Graphics-House/grid.html at master · DapperDenizen/Computer-Graphics-House · GitHub

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<html>

	<head>
		<title>Moving a box over a flat surface</title>
		<style>
			body {
				margin: 0;
			}

			canvas {
				width: 100%;
				height: 100%
			}
		</style>
	</head>

<body>

	<script src="three.js"></script>
	<script src="http://threejs.org/examples/js/controls/OrbitControls.js"></script>
	<script src="Grid.js"></script>
	<script src="Furniture.js"></script>

	<script>
		//grid
		var grid = new Grid(14,14,0,-5,0);
		var debugGrid;
		//variables
		var heldItem;
		var itemHeld  = false;
		var movingX = 0;
		var movingZ = 0;
		var thingY = 0;
		var returnPositionX;
		var returnPositionZ;
		var furnitures = [];
		//------------------------------------------------------------camera, scene, renderer
		//renderer
		var renderer = new THREE.WebGLRenderer();
		renderer.setClearColor(0x889988);
		renderer.setPixelRatio(window.devicePixelRatio);
		renderer.setSize(window.innerWidth, window.innerHeight);
		document.body.appendChild(renderer.domElement);

		//scene
		var scene = new THREE.Scene();
		//Camera
		var camera = new THREE.PerspectiveCamera(40, window.innerWidth / innerHeight, 1, 1000);
		camera.position.set(20, 20, 20);
		scene.add(camera);
		//scene.add(camera);

		//raycast
		var raycaster = new THREE.Raycaster();
		var mouse = new THREE.Vector2();

		//controls
		controls = new THREE.OrbitControls(camera);
		//
		//------------------------------------------------------------------objects in scene
		//building materials1
		var buildingGeo1 = new THREE.BoxGeometry(14, 14, 0.25);
		var buildingMat1 = new THREE.MeshPhongMaterial({
			color: 0x808080
		});
		//floor
		floor = new THREE.Mesh(buildingGeo1, buildingMat1);
		floor.position.set(0, -5, 0);
		floor.rotation.set(-Math.PI / 2, 0, 0);
		scene.add(floor);
		//shameful display below, i apologise. The three js documentation doesnt tell me anything
		var cheatArray = [floor];

		//thing 1
		//geometry
		var thingGeometry = new THREE.BoxBufferGeometry(2, 2, 2);
		//material
		var thingMaterial = new THREE.MeshPhongMaterial({
			color: 'sandybrown'
		});
		//mesh1
		var thing1 = new THREE.Mesh(thingGeometry, thingMaterial);
		thingY = -5 + 2 / 2;
		thing1.position.set(0, thingY, 0);
		//scene.add(thing1);
		//

		//thing 2
		//geometry
		var thing2Geometry = new THREE.BoxBufferGeometry(2, 2, 2);
		//material
		var thing2Material = new THREE.MeshPhongMaterial({
			color: 'sandybrown'
		});
		//thing2Material.name = 'Mat';
		//mesh1
		var thing2 = new THREE.Mesh(thing2Geometry, thing2Material);
		//thing2.name = 'test';
		thingY = -5 + 2 / 2;
		thing2.position.set(3, thingY, 3);
		//scene.add(thing2);
		//

		function FurnitureInit(furnitureAnchor,shape,gridRef,position){
		var furniture = new THREE.Group();

		var furnitureRef = new Furniture(furnitureAnchor,shape,gridRef,position);
		furnitureAnchor.name = "Furniture";
			furnitures.push(furniture);
		furniture.add(furnitureAnchor);
		scene.add(furniture);

		furniture.RotateShape = function(){
		furnitureRef.RotateShape();
		}
		furniture.CheckSittingOn = function(){
		return furnitureRef.CheckSittingOn();
		}
		}


		//FURNITURE TESTS
		var box1Shape = [
			[0,0,0,0],
			[0,1,0,0],
			[0,0,0,0],
			[0,0,0,0],
		];
		FurnitureInit(thing1,box1Shape,grid,thing1.position);
		FurnitureInit(thing2,box1Shape,grid,thing2.position);
		//


		//---------------------------------------------------------------------------------Lights
		//Directional light
		var light = new THREE.PointLight(0xffffff, 1, 100);
		light.position.set(0, 10, 0);
		scene.add(light);


		// ----------------------------------------------------------------------------------functions

		function onMouseMove(event) {

			// calculate mouse position in normalized device coordinates
			// (-1 to +1) for both components
			mouse.x = (event.clientX / window.innerWidth) * 2 - 1;
			mouse.y = -(event.clientY / window.innerHeight) * 2 + 1;

		}

		function whatsTheGridLookLike(){
			if(debugGrid == null){
				debugGrid = grid.giveMeSquares();
			}
			//geometry--- change x and z sizes to correctly view grid
			var debugGeo = new THREE.BoxBufferGeometry(1, 5, 1);
			//material
			var debugMaterial = new THREE.MeshBasicMaterial({
			color: 0x330000
		});
			var tempgrid = debugGrid;
			for( i =0; i < tempgrid.length; i++){
				var debugNode = new THREE.Mesh(debugGeo,debugMaterial);
				if(tempgrid[i].isOccupied()){
					debugNode.material.color.setHex( 0xF1CBFF );
				}else{
					debugNode.material.color.setHex( 0x330000 );
				}
				debugNode.position.set(tempgrid[i].xPos,-5,tempgrid[i].yPos);
				scene.add(debugNode);
			}
		}


		function onClick(event) {
				//raycast
				raycaster.setFromCamera(mouse, camera);
			// calculate objects intersecting the picking ray
			var intersects = raycaster.intersectObjects(furnitures,true);
			//this checks if the array has hit thing1
			if (intersects.length > 0) {
				//console.log(intersects);
				//console.log(intersects[0].object.name);
				if (intersects[0].object.name == "Furniture") {
					console.log("HIT");
					//itemHeld means thing1 will travel with the mouse on the plane
					if(itemHeld){
						//dropping off
						if(intersects[0].object.parent.CheckSittingOn()){
						debugGrid = null;
						itemHeld = false;
						heldItem = null;
						}else{
						//console.log(returnPosition);
						heldItem.position.set(returnPositionX,thingY,returnPositionZ);
						itemHeld = false;
						heldItem = null;
					}
					}else{
						//picking up
						returnPositionX = intersects[0].object.position.x;
						returnPositionZ = intersects[0].object.position.z;
						thingY = intersects[0].object.position.y;
						console.log(thingY);
						heldItem = intersects[0].object
						//returnPosition = intersects[0].object.position;
						itemHeld = true;
					}

				}

			}

		}
		window.addEventListener('mousemove', onMouseMove, false);
		window.addEventListener('mousedown', onClick, false); //need to change from mouse down to whatever just the leftclick would be


		animate();

		function animate() {
			scene.get
			if(itemHeld){
				//raycast onto the floor
				raycaster.setFromCamera(mouse, camera);
				var intersects = raycaster.intersectObjects(cheatArray);
				if(intersects[0] != null){
				var tempNode = grid.nodeFromWorldPoint(intersects[0].point);
				movingX = tempNode.xPos;
				movingZ = tempNode.yPos;
				}
				heldItem.position.set(movingX, thingY, movingZ);
			}

			//enable this to view the grid
			//whatsTheGridLookLike();

			requestAnimationFrame(animate);
			renderer.render(scene, camera);
		}
	</script>
</body>

</html>