3D | Rex's Personal Site

HTML:

<!DOCTYPE html>
<html lang="en">
    <head>
        <title>three.js webgl - geometry - cube</title>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
        <style>
            body {
                margin: 0px;
                background-color: #000000;
                overflow: hidden;
            }
        </style>
    </head>
    <body>

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<script src="js/three.min.js"></script>

<script>
    var camera, scene, renderer;
    var mesh;

    init();
    //animate();
    event_setup();

    function init() {
        camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 1000 );
        camera.position.z = 400;
        scene = new THREE.Scene();

        var texture = new THREE.TextureLoader().load( 'images/seasons_01.jpg' );

        var geometry = new THREE.BoxBufferGeometry( 200, 200, 200 );
        //var material = new THREE.MeshBasicMaterial( { map: texture } );
        mesh = new THREE.Mesh( geometry, materials() );
        scene.add( mesh );

        mesh.rotation.x = Math.PI/4;
        mesh.rotation.y = Math.PI/4;

        renderer = new THREE.WebGLRenderer( { antialias: true } );
        renderer.setPixelRatio( window.devicePixelRatio );
        renderer.setSize( window.innerWidth, window.innerHeight );
        document.body.appendChild( renderer.domElement );

        //
        window.addEventListener( 'resize', onWindowResize, false );
    }

    function materials(){
        var loader = new THREE.TextureLoader();
        var materialArray = [
            new THREE.MeshBasicMaterial( { map: loader.load("images/seasons_01.jpg") } ),
            new THREE.MeshBasicMaterial( { map: loader.load("images/seasons_02.jpg") } ),
            new THREE.MeshBasicMaterial( { map: loader.load("images/seasons_03.jpg") } ),
            new THREE.MeshBasicMaterial( { map: loader.load("images/seasons_04.jpg") } ),
            new THREE.MeshBasicMaterial( { map: loader.load("images/seasons_01.jpg") } ),
            new THREE.MeshBasicMaterial( { map: loader.load("images/seasons_02.jpg") } )
        ];

        return materialArray;
    }

    function onWindowResize() {
        camera.aspect = window.innerWidth / window.innerHeight;
        camera.updateProjectionMatrix();
        renderer.setSize( window.innerWidth, window.innerHeight );
    }

    function animate() {
        requestAnimationFrame( animate );
        //mesh.rotation.x += 0.005;
        //mesh.rotation.y += 0.01;
        renderer.render( scene, camera );
    }

    function event_setup(){
        var isDragging = false;
        var previousMousePosition = {
            x: 0,
            y: 0
        };
        $(renderer.domElement).on('mousedown', function(e) {
            isDragging = true;
        })
        .on('mousemove', function(e) {
            //console.log(e);
            var deltaMove = {
                x: e.offsetX-previousMousePosition.x,
                y: e.offsetY-previousMousePosition.y
            };

            if(isDragging) {
                    
                var deltaRotationQuaternion = new THREE.Quaternion()
                    .setFromEuler(new THREE.Euler(
                        toRadians(deltaMove.y * 1),
                        toRadians(deltaMove.x * 1),
                        0,
                        'XYZ'
                    ));
                
                mesh.quaternion.multiplyQuaternions(deltaRotationQuaternion, mesh.quaternion);
            }
            
            previousMousePosition = {
                x: e.offsetX,
                y: e.offsetY
            };
        });
        /* */

        $(document).on('mouseup', function(e) {
            isDragging = false;
        });

        // shim layer with setTimeout fallback
        window.requestAnimFrame = (function(){
            return  window.requestAnimationFrame ||
                window.webkitRequestAnimationFrame ||
                window.mozRequestAnimationFrame ||
                function(callback) {
                    window.setTimeout(callback, 1000 / 60);
                };
        })();
    }

    var lastFrameTime = new Date().getTime() / 1000;
    var totalGameTime = 0;

    function update(dt, t) {
        //console.log(dt, t);
        
        //camera.position.z += 1 * dt;
        //cube.rotation.x += 1 * dt;
        //cube.rotation.y += 1 * dt;
        
        setTimeout(function() {
            var currTime = new Date().getTime() / 1000;
            var dt = currTime - (lastFrameTime || currTime);
            totalGameTime += dt;
            
            update(dt, totalGameTime);
        
            lastFrameTime = currTime;
        }, 0);
    }


    function render() {
        renderer.render(scene, camera);
        
        
        requestAnimFrame(render);
    }

    function toRadians(angle) {
        return angle * (Math.PI / 180);
    }

    function toDegrees(angle) {
        return angle * (180 / Math.PI);
    }

    render();
    update(0, totalGameTime);
</script>

    </body>
</html>

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

<!DOCTYPE html>

<head>

<title>three.js webgl - geometry - cube</title>

<style>

body {

margin: 0px;

background-color: #000000;

overflow: hidden;

}

</style>

</head>

<body>

var camera, scene, renderer;

var mesh;

init();

//animate();

event_setup();

function init() {

camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 1000 );

camera.position.z = 400;

scene = new THREE.Scene();

var texture = new THREE.TextureLoader().load( 'images/seasons_01.jpg' );

var geometry = new THREE.BoxBufferGeometry( 200, 200, 200 );

//var material = new THREE.MeshBasicMaterial( { map: texture } );

mesh = new THREE.Mesh( geometry, materials() );

scene.add( mesh );

mesh.rotation.x = Math.PI/4;

mesh.rotation.y = Math.PI/4;

renderer = new THREE.WebGLRenderer( { antialias: true } );

renderer.setPixelRatio( window.devicePixelRatio );

renderer.setSize( window.innerWidth, window.innerHeight );

document.body.appendChild( renderer.domElement );

window.addEventListener( 'resize', onWindowResize, false );

}

function materials(){

var loader = new THREE.TextureLoader();

var materialArray = [

new THREE.MeshBasicMaterial( { map: loader.load("images/seasons_01.jpg") } ),

new THREE.MeshBasicMaterial( { map: loader.load("images/seasons_02.jpg") } ),

new THREE.MeshBasicMaterial( { map: loader.load("images/seasons_03.jpg") } ),

new THREE.MeshBasicMaterial( { map: loader.load("images/seasons_04.jpg") } ),

new THREE.MeshBasicMaterial( { map: loader.load("images/seasons_01.jpg") } ),

new THREE.MeshBasicMaterial( { map: loader.load("images/seasons_02.jpg") } )

];

return materialArray;

}

function onWindowResize() {

camera.aspect = window.innerWidth / window.innerHeight;

camera.updateProjectionMatrix();

renderer.setSize( window.innerWidth, window.innerHeight );

}

function animate() {

requestAnimationFrame( animate );

//mesh.rotation.x += 0.005;

//mesh.rotation.y += 0.01;

renderer.render( scene, camera );

}

function event_setup(){

var isDragging = false;

var previousMousePosition = {

x: 0,

y: 0

};

$(renderer.domElement).on('mousedown', function(e) {

isDragging = true;

})

.on('mousemove', function(e) {

//console.log(e);

var deltaMove = {

x: e.offsetX-previousMousePosition.x,

y: e.offsetY-previousMousePosition.y

};

if(isDragging) {

var deltaRotationQuaternion = new THREE.Quaternion()

.setFromEuler(new THREE.Euler(

toRadians(deltaMove.y * 1),

toRadians(deltaMove.x * 1),

'XYZ'

));

mesh.quaternion.multiplyQuaternions(deltaRotationQuaternion, mesh.quaternion);

}

previousMousePosition = {

x: e.offsetX,

y: e.offsetY

};

});

/* */

$(document).on('mouseup', function(e) {

isDragging = false;

});

// shim layer with setTimeout fallback

window.requestAnimFrame = (function(){

return window.requestAnimationFrame ||

window.webkitRequestAnimationFrame ||

window.mozRequestAnimationFrame ||

function(callback) {

window.setTimeout(callback, 1000 / 60);

};

})();

}

var lastFrameTime = new Date().getTime() / 1000;

var totalGameTime = 0;

function update(dt, t) {

//console.log(dt, t);

//camera.position.z += 1 * dt;

//cube.rotation.x += 1 * dt;

//cube.rotation.y += 1 * dt;

setTimeout(function() {

var currTime = new Date().getTime() / 1000;

var dt = currTime - (lastFrameTime || currTime);

totalGameTime += dt;

update(dt, totalGameTime);

lastFrameTime = currTime;

}, 0);

}

function render() {

renderer.render(scene, camera);

requestAnimFrame(render);

}

function toRadians(angle) {

return angle * (Math.PI / 180);

}

function toDegrees(angle) {

return angle * (180 / Math.PI);

}

render();

update(0, totalGameTime);

</script>

</body>

</html>

Reference:

Static cube:
https://stackoverflow.com/questions/32639468/three-js-make-static-cube
Mouse move example:
https://jsfiddle.net/MadLittleMods/n6u6asza/

Example:

var camera, scene, renderer;
var mesh;
init();
animate();
function init() {
    camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 1000 );
    camera.position.z = 400;
    scene = new THREE.Scene();

    var loader = new THREE.TextureLoader();
    var materialArray = [
        new THREE.MeshBasicMaterial( { map: loader.load("images/seasons_01.jpg") } ),
        new THREE.MeshBasicMaterial( { map: loader.load("images/seasons_02.jpg") } ),
        new THREE.MeshBasicMaterial( { map: loader.load("images/seasons_03.jpg") } ),
        new THREE.MeshBasicMaterial( { map: loader.load("images/seasons_04.jpg") } ),
        new THREE.MeshBasicMaterial( { map: loader.load("images/seasons_01.jpg") } ),
        new THREE.MeshBasicMaterial( { map: loader.load("images/seasons_02.jpg") } )
    ];

    var geometry = new THREE.BoxBufferGeometry( 200, 200, 200 );
    mesh = new THREE.Mesh( geometry, materialArray );
    scene.add( mesh );
    renderer = new THREE.WebGLRenderer( { antialias: true } );
    renderer.setPixelRatio( window.devicePixelRatio );
    renderer.setSize( window.innerWidth, window.innerHeight );
    document.body.appendChild( renderer.domElement );
    //
    window.addEventListener( 'resize', onWindowResize, false );
}
function onWindowResize() {
    camera.aspect = window.innerWidth / window.innerHeight;
    camera.updateProjectionMatrix();
    renderer.setSize( window.innerWidth, window.innerHeight );
}
function animate() {
    requestAnimationFrame( animate );
    mesh.rotation.x += 0.005;
    mesh.rotation.y += 0.01;
    renderer.render( scene, camera );
}

var camera, scene, renderer;

var mesh;

init();

animate();

function init() {

camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 1000 );

camera.position.z = 400;

scene = new THREE.Scene();

var loader = new THREE.TextureLoader();

var materialArray = [

new THREE.MeshBasicMaterial( { map: loader.load("images/seasons_01.jpg") } ),

new THREE.MeshBasicMaterial( { map: loader.load("images/seasons_02.jpg") } ),

new THREE.MeshBasicMaterial( { map: loader.load("images/seasons_03.jpg") } ),

new THREE.MeshBasicMaterial( { map: loader.load("images/seasons_04.jpg") } ),

new THREE.MeshBasicMaterial( { map: loader.load("images/seasons_01.jpg") } ),

new THREE.MeshBasicMaterial( { map: loader.load("images/seasons_02.jpg") } )

];

var geometry = new THREE.BoxBufferGeometry( 200, 200, 200 );

mesh = new THREE.Mesh( geometry, materialArray );

scene.add( mesh );

renderer = new THREE.WebGLRenderer( { antialias: true } );

renderer.setPixelRatio( window.devicePixelRatio );

renderer.setSize( window.innerWidth, window.innerHeight );

document.body.appendChild( renderer.domElement );

window.addEventListener( 'resize', onWindowResize, false );

}

function onWindowResize() {

camera.aspect = window.innerWidth / window.innerHeight;

camera.updateProjectionMatrix();

renderer.setSize( window.innerWidth, window.innerHeight );

}

function animate() {

requestAnimationFrame( animate );

mesh.rotation.x += 0.005;

mesh.rotation.y += 0.01;

renderer.render( scene, camera );

}

Reference:

Both MeshFaceMaterial and MultiMaterial are deprecated:
https://stackoverflow.com/questions/35877484/three-js-using-cubetextureloader-to-create-a-different-image-on-each-face-of-a/35883939

Rex's Personal Site

This site is built on WordPress and contains personal notes, photos and videos

Category Archives: 3D

Cube – Mouse move (Drag) to rotate the cube

Cube – Automatic rotation

three.js

CubeMap

May 2019
M	T	W	T	F	S	S
« Apr
		1	2	3	4	5
6	7	8	9	10	11	12
13	14	15	16	17	18	19
20	21	22	23	24	25	26
27	28	29	30	31