Déplacement d'Obj en WebGL

**yonochi** · 19/05/2014, 09h43

Bonjour à tous, je souhaite pouvoir limiter le déplacement de l'OBJ seulement si on se trouve sur la zone d'affichage mais après plusieurs tentatives avec des mouseover mouseout toujours aucun résultat. Voici le code que j'utilise :

Code :

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<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>WebGL 3D model viewer using three.js</title>
</head>
<body>
<script type="text/javascript" src="build/three.js"></script>
 
<script type="text/javascript" src="examples/js/controls/FirstPersonControls.js"></script>
 
<script type="text/javascript" src="examples/js/libs/stats.min.js"></script>
 
<script type="text/javascript" src="examples/js/loaders/OBJLoader.js"></script>
 
<script type="text/javascript" src="examples/js/wip/TypedGeometry.js"></script>
 
<script type="text/javascript">
 
 
var container, stats;
var camera, controls, scene, renderer;
var mesh;
var width, height;
var woldWidth, worldHeight;
 
var clock = new THREE.Clock;
 
 
    init();
    animate();
 
 
function init() {
 
        width = 600;
        height = 600;
        worldWidth = 60;
        worldHeight = 60;
	container = document.createElement( 'div' );
	document.body.appendChild(container);
 
 
	camera = new THREE.PerspectiveCamera( 70, width / height, 1, 10000 );
	camera.position.y = 100;
        camera.position.x = -50;
 
	controls = new THREE.FirstPersonControls( camera );
        controls.movementSpeed = 200;
	controls.lookSpeed = 0.2;
	controls.lookVertical = true;
        controls.autoForward = false;
        controls.activeLook = true;
 
	scene = new THREE.Scene();
 
	scene.add( new THREE.AmbientLight( 0x505050 ) );
 
	var ambientLight = new THREE.AmbientLight( 0xcccccc );
	scene.add( ambientLight );
 
	var directionalLight = new THREE.DirectionalLight( 0xffffff, 2 );
	directionalLight.position.set( 1, 1, 0.5 ).normalize();
	scene.add( directionalLight );
 
var geometry = new THREE.TypedGeometry( worldWidth * worldHeight * 2 ); // 2 triangles
		// texture
 
		var textureobj = new THREE.Texture();
 
		var loader = new THREE.ImageLoader();
		loader.load('examples/textures/bois.jpg', function ( image ) {
 
		textureobj.image = image;
		textureobj.needsUpdate = true;
 
		} );
 
		// model
 
		var loader = new THREE.OBJLoader();
		loader.load('01412.obj', function ( object ) {
 
		object.traverse( function ( child ) {
 
		if ( child instanceof THREE.Mesh ) {
 
		child.material.map = textureobj;
 
		}
 
		} );
 
		object.position.y = 100;
		scene.add( object );
		} );
 
 
                var texture = THREE.ImageUtils.loadTexture( 'examples/textures/patterns/bright_squares256.png' );
		texture.magFilter = THREE.NearestFilter;
		texture.minFilter = THREE.LinearMipMapLinearFilter;
		var mesh = new THREE.Mesh( geometry, new THREE.MeshLambertMaterial( { map: texture, ambient: 0xbbbbbb } ) );
		scene.add( mesh  );
 
		renderer = new THREE.WebGLRenderer( { antialias: true } );
		renderer.setClearColor( 0xf0f0f0 );
		renderer.setSize( width, height );
		container.appendChild( renderer.domElement );
 
}
 
function animate() {
 
	requestAnimationFrame( animate );
 
	render();
 
}
 
function render() {
 
	controls.update(clock.getDelta());
 
	renderer.render( scene, camera );
}
</script>                  
 
</body>
</html>

et voici mon FirstPersonControls.js que j'ai modifié pour avoir un déplacement plus approprié :

Code :

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/**
 * @author mrdoob / http://mrdoob.com/
 * @author alteredq / http://alteredqualia.com/
 * @author paulirish / http://paulirish.com/
 */
 
THREE.FirstPersonControls = function ( object, domElement ) {
 
	this.object = object;
	this.target = new THREE.Vector3( 0, 0, 0 );
 
	this.domElement = ( domElement !== undefined ) ? domElement : document;
 
	this.movementSpeed = 1.0;
	this.lookSpeed = 0.005;
 
	this.lookVertical = true;
	this.autoForward = false;
	// this.invertVertical = false;
 
	this.activeLook = true;
 
	this.heightSpeed = false;
	this.heightCoef = 1.0;
	this.heightMin = 0.0;
	this.heightMax = 1.0;
 
	this.constrainVertical = false;
	this.verticalMin = 0;
	this.verticalMax = Math.PI;
 
	this.autoSpeedFactor = 0.0;
 
	this.mouseX = 0;
	this.mouseY = 0;
 
	this.lat = 0;
	this.lon = 0;
	this.phi = 0;
	this.theta = 0;
 
	this.moveForward = false;
	this.moveBackward = false;
	this.moveLeft = false;
	this.moveRight = false;
	this.freeze = false;
 
	this.mouseDragOn = false;
 
	this.viewHalfX = 0;
	this.viewHalfY = 0;
 
        if ( this.domElement !== document ) {
 
		this.domElement.setAttribute( 'tabindex', -1 );
 
	}
 
	//
 
	this.handleResize = function () {
 
		if ( this.domElement === document ) {
 
			this.viewHalfX = window.innerWidth / 2;
			this.viewHalfY = window.innerHeight / 2;
 
		} else {
 
			this.viewHalfX = this.domElement.offsetWidth / 2;
			this.viewHalfY = this.domElement.offsetHeight / 2;
 
		}
 
	};
 
	this.onMouseDown = function ( event ) {
 
		/**if ( this.domElement !== document ) {
 
			this.domElement.focus();
 
		}*/
 
		event.preventDefault();
		event.stopPropagation();
 
		/**if ( this.activeLook ) {
                
                	switch ( event.button ) {
 
				case 0: this.moveForward = true; break;
				case 2: this.moveBackward = true; break;
 
			}
 
		}*/
                if (event.button==0){
                    this.mouseDragOn = true;
                }
 
	};
 
	this.onMouseUp = function ( event ) {
 
		event.preventDefault();
		event.stopPropagation();
 
		/**if ( this.activeLook ) {
 
			switch ( event.button ) {
 
				case 0: this.moveForward = false; break;
				case 2: this.moveBackward = false; break;
 
			}
 
		}*/
 
		this.mouseDragOn = false;
 
	};
 
	this.onMouseMove = function ( event ) {
 
            if (this.mouseDragOn==true){
 
		if ( this.domElement === document ) {
 
			this.mouseX = event.pageX - this.viewHalfX;
			this.mouseY = event.pageY - this.viewHalfY;
 
		}
            }
	};
 
	this.onKeyDown = function ( event ) {
 
		//event.preventDefault();
 
		switch ( event.keyCode ) {
 
			case 38: /*up*/
			case 87: /*W*/ this.moveForward = true; break;
 
			case 37: /*left*/
			case 65: /*A*/ this.moveLeft = true; break;
 
			case 40: /*down*/
			case 83: /*S*/ this.moveBackward = true; break;
 
			case 39: /*right*/
			case 68: /*D*/ this.moveRight = true; break;
 
			case 82: /*R*/ this.moveUp = true; break;
			case 70: /*F*/ this.moveDown = true; break;
 
			case 81: /*Q*/ this.freeze = !this.freeze; break;
 
		}
 
	};
 
	this.onKeyUp = function ( event ) {
 
		switch( event.keyCode ) {
 
			case 38: /*up*/
			case 87: /*W*/ this.moveForward = false; break;
 
			case 37: /*left*/
			case 65: /*A*/ this.moveLeft = false; break;
 
			case 40: /*down*/
			case 83: /*S*/ this.moveBackward = false; break;
 
			case 39: /*right*/
			case 68: /*D*/ this.moveRight = false; break;
 
			case 82: /*R*/ this.moveUp = false; break;
			case 70: /*F*/ this.moveDown = false; break;
 
		}
 
	};
 
	this.update = function( delta ) {
 
		if ( this.freeze ) {
 
			return;
 
		}
 
		if ( this.heightSpeed ) {
 
			var y = THREE.Math.clamp( this.object.position.y, this.heightMin, this.heightMax );
			var heightDelta = y - this.heightMin;
 
			this.autoSpeedFactor = delta * ( heightDelta * this.heightCoef );
 
		} else {
 
			this.autoSpeedFactor = 0.0;
 
		}
 
		var actualMoveSpeed = delta * this.movementSpeed;
 
		if ( this.moveForward || ( this.autoForward && !this.moveBackward ) ) this.object.translateZ( - ( actualMoveSpeed + this.autoSpeedFactor ) );
		if ( this.moveBackward ) this.object.translateZ( actualMoveSpeed );
 
		if ( this.moveLeft ) this.object.translateX( - actualMoveSpeed );
		if ( this.moveRight ) this.object.translateX( actualMoveSpeed );
 
		if ( this.moveUp ) this.object.translateY( actualMoveSpeed );
		if ( this.moveDown ) this.object.translateY( - actualMoveSpeed );
 
		var actualLookSpeed = delta * this.lookSpeed;
 
		if ( !this.activeLook ) {
 
			actualLookSpeed = 0;
 
		}
 
		var verticalLookRatio = 1;
 
		if ( this.constrainVertical ) {
 
			verticalLookRatio = Math.PI / ( this.verticalMax - this.verticalMin );
 
		}
            if (this.mouseDragOn==true){
		this.lon += this.mouseX * actualLookSpeed;
		if( this.lookVertical ) this.lat -= this.mouseY * actualLookSpeed * verticalLookRatio;
            }
		this.lat = Math.max( - 85, Math.min( 85, this.lat ) );
		this.phi = THREE.Math.degToRad( 90 - this.lat );
 
		this.theta = THREE.Math.degToRad( this.lon );
 
		if ( this.constrainVertical ) {
 
			this.phi = THREE.Math.mapLinear( this.phi, 0, Math.PI, this.verticalMin, this.verticalMax );
 
		}
 
		var targetPosition = this.target,
			position = this.object.position;
 
		targetPosition.x = position.x + 100 * Math.sin( this.phi ) * Math.cos( this.theta );
		targetPosition.y = position.y + 100 * Math.cos( this.phi );
		targetPosition.z = position.z + 100 * Math.sin( this.phi ) * Math.sin( this.theta );
 
		this.object.lookAt( targetPosition );
 
	};
 
 
	this.domElement.addEventListener( 'contextmenu', function ( event ) { event.preventDefault(); }, false );
 
	this.domElement.addEventListener( 'mousemove', bind( this, this.onMouseMove ), false );
	this.domElement.addEventListener( 'mousedown', bind( this, this.onMouseDown ), false );
	this.domElement.addEventListener( 'mouseup', bind( this, this.onMouseUp ), false );
 
 
	window.addEventListener( 'keydown', bind( this, this.onKeyDown ), false );
	window.addEventListener( 'keyup', bind( this, this.onKeyUp ), false );
 
	function bind( scope, fn ) {
 
		return function () {
 
			fn.apply( scope, arguments );
 
		};
 
	};
 
	this.handleResize();
 
};

Si vous n'avez pas d'OBJ vous pouvez en trouver sur http://www.oyonale.com/modeles.php?lang=fr&format=OBJ

En espérant avoir été clair

**yonochi** · 19/05/2014, 17h01

C'est bon j'ai réussi à détecter quand je suis dans la zone et tout marche comme je le souhaite du moins presque ... parce que lorsque je colle la zone d'affichage en haut à droite l'objet ne suis plus vraiment la souris, il tourne en rond

je vois pas trop pourquoi

. Voici les nouveaux codes que j'utilise :

Code :

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<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>WebGL 3D model viewer using three.js</title>
</head>
<body>
<script type="text/javascript" src="build/three.js"></script>
 
<script type="text/javascript" src="examples/js/controls/FirstPersonControls.js"></script>
 
<script type="text/javascript" src="examples/js/libs/stats.min.js"></script>
 
<script type="text/javascript" src="examples/js/loaders/OBJLoader.js"></script>
 
<script type="text/javascript" src="examples/js/wip/TypedGeometry.js"></script>
 
<script type="text/javascript">
 
 
var container, stats;
var camera, controls, scene, renderer;
var mesh;
var width, height;
var woldWidth, worldHeight;
 
var clock = new THREE.Clock;
 
 
    init();
    animate();
 
function init() {
 
        width = 600;
        height = 600;
        worldWidth = 60;
        worldHeight = 60;
	container = document.createElement( 'div' );
        container.id = 'container';
        container.style.height = height+1+"px";
        container.style.width = width+1+"px";
	document.body.appendChild(container);
 
 
	camera = new THREE.PerspectiveCamera( 70, width / height, 1, 10000 );
	camera.position.y = 100;
        camera.position.x = -50;
 
	controls = new THREE.FirstPersonControls( camera, container );
        controls.movementSpeed = 200;
	controls.lookSpeed = 0.2;
	controls.lookVertical = true;
        controls.autoForward = false;
        controls.activeLook = true;
 
	scene = new THREE.Scene();
 
	scene.add( new THREE.AmbientLight( 0x505050 ) );
 
	var ambientLight = new THREE.AmbientLight( 0xcccccc );
	scene.add( ambientLight );
 
	var directionalLight = new THREE.DirectionalLight( 0xffffff, 2 );
	directionalLight.position.set( 1, 1, 0.5 ).normalize();
	scene.add( directionalLight );
 
var geometry = new THREE.TypedGeometry( worldWidth * worldHeight * 2 ); // 2 triangles
		// texture
 
		var textureobj = new THREE.Texture();
 
		var loader = new THREE.ImageLoader();
		loader.load('examples/textures/bois.jpg', function ( image ) {
 
		textureobj.image = image;
		textureobj.needsUpdate = true;
 
		} );
 
		// model
 
		var loader = new THREE.OBJLoader();
		loader.load('01412.obj', function ( object ) {
 
		object.traverse( function ( child ) {
 
		if ( child instanceof THREE.Mesh ) {
 
		child.material.map = textureobj;
 
		}
 
		} );
 
		object.position.y = 100;
		scene.add( object );
		} );
 
 
                var texture = THREE.ImageUtils.loadTexture( 'examples/textures/patterns/bright_squares256.png' );
		texture.magFilter = THREE.NearestFilter;
		texture.minFilter = THREE.LinearMipMapLinearFilter;
		var mesh = new THREE.Mesh( geometry, new THREE.MeshLambertMaterial( { map: texture, ambient: 0xbbbbbb } ) );
		scene.add( mesh  );
 
		renderer = new THREE.WebGLRenderer( { antialias: true } );
		renderer.setClearColor( 0xf0f0f0 );
		renderer.setSize( width, height );
 
		container.appendChild( renderer.domElement );
 
 
}
 
function animate() {
 
	requestAnimationFrame( animate );
 
	render();
 
}
 
function render() {
 
	controls.update(clock.getDelta());
 
	renderer.render( scene, camera );
}
</script>                  
 
</body>
</html>

Pas trop de changement dans cette partie.
Dans celle-ci un peu plus.

Code :

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/**
 * @author mrdoob / http://mrdoob.com/
 * @author alteredq / http://alteredqualia.com/
 * @author paulirish / http://paulirish.com/
 */
 
THREE.FirstPersonControls = function ( object, domElement ) {
 
	this.object = object;
	this.target = new THREE.Vector3( 0, 0, 0 );
 
	this.domElement = ( domElement !== undefined ) ? domElement : document;
 
	this.movementSpeed = 1.0;
	this.lookSpeed = 0.005;
 
	this.lookVertical = true;
	this.autoForward = false;
	// this.invertVertical = false;
 
	this.activeLook = true;
 
	this.heightSpeed = false;
	this.heightCoef = 1.0;
	this.heightMin = 0.0;
	this.heightMax = 1.0;
 
	this.constrainVertical = false;
	this.verticalMin = 0;
	this.verticalMax = Math.PI;
 
	this.autoSpeedFactor = 0.0;
 
	this.mouseX = 0;
	this.mouseY = 0;
 
	this.lat = 0;
	this.lon = 0;
	this.phi = 0;
	this.theta = 0;
 
	this.moveForward = false;
	this.moveBackward = false;
	this.moveLeft = false;
	this.moveRight = false;
	this.freeze = false;
 
	this.mouseDragOn = false;
        this.mouseIn = false;
 
	this.viewHalfX = 0;
	this.viewHalfY = 0;
 
        if ( this.domElement !== document ) {
 
		this.domElement.setAttribute( 'tabindex', -1 );
 
	}
 
	//
 
	this.handleResize = function () {
 
		if ( this.domElement === document ) {
 
			this.viewHalfX = window.innerWidth / 2;
			this.viewHalfY = window.innerHeight / 2;
 
		} else {
 
			this.viewHalfX = this.domElement.offsetWidth / 2;
			this.viewHalfY = this.domElement.offsetHeight / 2;
                        this.domElement.setAttribute( 'tabindex', -1 );
		}
 
	};
 
	this.onMouseDown = function ( event ) {
 
		/**if ( this.domElement !== document ) {
 
			this.domElement.focus();
 
		}*/
 
		event.preventDefault();
		event.stopPropagation();
 
		/**if ( this.activeLook ) {
                
                	switch ( event.button ) {
 
				case 0: this.moveForward = true; break;
				case 2: this.moveBackward = true; break;
 
			}
 
		}*/
                if (event.button==0){
                    this.mouseDragOn = true;
                }
 
	};
 
	this.onMouseUp = function ( event ) {
 
		event.preventDefault();
		event.stopPropagation();
 
		/**if ( this.activeLook ) {
 
			switch ( event.button ) {
 
				case 0: this.moveForward = false; break;
				case 2: this.moveBackward = false; break;
 
			}
 
		}*/
 
		this.mouseDragOn = false;
 
	};
 
	this.onMouseMove = function ( event ) {
 
            if (this.mouseDragOn==true && this.mouseIn==true){
 
		if ( this.domElement === document ) {
 
			this.mouseX = event.pageX - this.viewHalfX;
			this.mouseY = event.pageY - this.viewHalfY;
		} else {
 
			this.mouseX = event.pageX - this.domElement.offsetLeft - this.viewHalfX;
			this.mouseY = event.pageY - this.domElement.offsetTop - this.viewHalfY;
		}
            }
	};
 
        this.onMouseOver = function (event ) {
            this.mouseIn = true;
        }
 
        this.onMouseOut = function (event ) {
            this.mouseIn = false;
        }
 
	this.onKeyDown = function ( event ) {
 
		//event.preventDefault();
            if (this.mouseIn==true){
 
		switch ( event.keyCode ) {
 
			case 38: /*up*/ this.moveForward = true; event.preventDefault(); break;
 
			case 37: /*left*/ this.moveLeft = true; event.preventDefault(); break;
 
			case 40: /*down*/ this.moveBackward = true; event.preventDefault(); break;
 
			case 39: /*right*/ this.moveRight = true; event.preventDefault(); break;
 
			case 33: /*page up*/ this.moveUp = true; event.preventDefault(); break;
			case 34: /*page down*/ this.moveDown = true; event.preventDefault(); break;
 
			case 19: /*pause*/ this.freeze = !this.freeze; event.preventDefault(); break;
 
		}
            }
	};
 
	this.onKeyUp = function ( event ) {
 
		switch( event.keyCode ) {
 
			case 38: /*up*/ this.moveForward = false; break;
 
			case 37: /*left*/ this.moveLeft = false; break;
 
			case 40: /*down*/ this.moveBackward = false; break;
 
			case 39: /*right*/ this.moveRight = false; break;
 
			case 33: /*page up*/ this.moveUp = false; break;
			case 34: /*page down*/ this.moveDown = false; break;
 
		}
 
	};
 
	this.update = function( delta ) {
 
		if ( this.freeze ) {
 
			return;
 
		}
 
		if ( this.heightSpeed ) {
 
			var y = THREE.Math.clamp( this.object.position.y, this.heightMin, this.heightMax );
			var heightDelta = y - this.heightMin;
 
			this.autoSpeedFactor = delta * ( heightDelta * this.heightCoef );
 
		} else {
 
			this.autoSpeedFactor = 0.0;
 
		}
 
		var actualMoveSpeed = delta * this.movementSpeed;
 
		if ( this.moveForward || ( this.autoForward && !this.moveBackward ) ) this.object.translateZ( - ( actualMoveSpeed + this.autoSpeedFactor ) );
		if ( this.moveBackward ) this.object.translateZ( actualMoveSpeed );
 
		if ( this.moveLeft ) this.object.translateX( - actualMoveSpeed );
		if ( this.moveRight ) this.object.translateX( actualMoveSpeed );
 
		if ( this.moveUp ) this.object.translateY( actualMoveSpeed );
		if ( this.moveDown ) this.object.translateY( - actualMoveSpeed );
 
		var actualLookSpeed = delta * this.lookSpeed;
 
		if ( !this.activeLook ) {
 
			actualLookSpeed = 0;
 
		}
 
		var verticalLookRatio = 1;
 
		if ( this.constrainVertical ) {
 
			verticalLookRatio = Math.PI / ( this.verticalMax - this.verticalMin );
 
		}
            if (this.mouseDragOn==true && this.mouseIn==true){
		this.lon += this.mouseX * actualLookSpeed;
		if( this.lookVertical ) this.lat -= this.mouseY * actualLookSpeed * verticalLookRatio;
            } 
		this.lat = Math.max( - 85, Math.min( 85, this.lat ) );
		this.phi = THREE.Math.degToRad( 90 - this.lat );
 
		this.theta = THREE.Math.degToRad( this.lon );
 
		if ( this.constrainVertical ) {
 
			this.phi = THREE.Math.mapLinear( this.phi, 0, Math.PI, this.verticalMin, this.verticalMax );
 
		}
 
		var targetPosition = this.target,
			position = this.object.position;
 
		targetPosition.x = position.x + 100 * Math.sin( this.phi ) * Math.cos( this.theta );
		targetPosition.y = position.y + 100 * Math.cos( this.phi );
		targetPosition.z = position.z + 100 * Math.sin( this.phi ) * Math.sin( this.theta );
 
		this.object.lookAt( targetPosition );
 
	};
 
 
	//this.domElement.addEventListener( 'contextmenu', function ( event ){ event.preventDefault(); }, false );
        this.domElement.addEventListener( 'mouseover', bind( this, this.onMouseOver ), false );
        this.domElement.addEventListener( 'mouseout', bind( this, this.onMouseOut ), false );
	this.domElement.addEventListener( 'mousemove', bind( this, this.onMouseMove ), false );
	this.domElement.addEventListener( 'mousedown', bind( this, this.onMouseDown ), false );
	this.domElement.addEventListener( 'mouseup', bind( this, this.onMouseUp ), false );
 
 
	window.addEventListener( 'keydown', bind( this, this.onKeyDown ), false );
	window.addEventListener( 'keyup', bind( this, this.onKeyUp ), false );
 
	function bind( scope, fn ) {
 
		return function () {
 
			fn.apply( scope, arguments );
 
		};
 
	};
 
	this.handleResize();
 
};

**p3ga5e** · 20/05/2014, 10h23

Salut, je pense que tu devrais développer ton problème ainsi que ce que tu souhaites obtenir, car ce n’est pas clair et ton code l’est encore moins.
Pour nous aider à comprendre tu devrais mettre en ligne une demo (sur JSFiddle par exemple)

Le code que tu poste me semble bien compliqué, pourquoi utilise tu des coordonnées sphériques ? si je me réfère au nom du constructeur FirstPersonControls, je peux qu’en déduire que tu souhaites déplacer la camera comme dans un jeu de FPS, mais quel rapport avec le déplacement d’un model OBJ ?

Déplacement d'Obj en WebGL

JavaScript

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