WebGL движение обьекта
ПОДСКАЖИТЕ код вращения вдоль линии, какогото объекта, Это может быть любой объект. Допустим мне нужно чтобы по окружности друг за другом по нажатию клавиши мыши крутились 3 прямоугольника, на адинаковом расстоянии друг от друга.
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А библиотеку какую нибудь используешь? По идее типа:
shar.position.x = R * Math.cos( phi ); shar.position.z = R * Math.sin( phi ); phi = phi + 0.02; |
все бы хорошо, а подробние может объеснить, и показать
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Цитата:
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неправильный код
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да еще библиотека WebGL. по идеи все три прямоугольника должны вращаться по одной линии вдоль окружности, а не отдельно сами по сибе, как это делается с помощью метода ratation.
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<!DOCTYPE html>
<html lang="en"> <head> <title>three.js canvas - 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 { font-family: Monospace; background-color: #f0f0f0; margin: 0px; overflow: hidden; } </style> </head> <body> <script src="../build/three.min.js"></script> <script src="js/libs/stats.min.js"></script> <script> var container, stats; var camera, scene, renderer; var cube, plane; var targetRotation = 0; var targetRotationOnMouseDown = 0; var mouseX = 0; var mouseXOnMouseDown = 0; var windowHalfX = window.innerWidth / 2; var windowHalfY = window.innerHeight / 2; init(); animate(); function init() { container = document.createElement( 'div' ); document.body.appendChild( container ); var info = document.createElement( 'div' ); info.style.position = 'absolute'; info.style.top = '10px'; info.style.width = '100%'; info.style.textAlign = 'center'; info.innerHTML = 'Drag to spin the cube'; container.appendChild( info ); camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 1000 ); camera.position.y = 150; camera.position.z = 500; scene = new THREE.Scene(); // Cube var geometry = new THREE.CubeGeometry( 200, 200, 200 ); for ( var i = 0; i < geometry.faces.length; i += 2 ) { var hex = Math.random() * 0xffffff; geometry.faces[ i ].color.setHex( hex ); geometry.faces[ i + 1 ].color.setHex( hex ); } var material = new THREE.MeshBasicMaterial( { vertexColors: THREE.FaceColors, overdraw: 0.5 } ); cube = new THREE.Mesh( geometry, material ); cube.position.y = 150; scene.add( cube ); // Plane var geometry = new THREE.PlaneGeometry( 200, 200 ); geometry.applyMatrix( new THREE.Matrix4().makeRotationX( - Math.PI / 2 ) ); var material = new THREE.MeshBasicMaterial( { color: 0xe0e0e0, overdraw: 0.5 } ); plane = new THREE.Mesh( geometry, material ); //scene.add( plane ); renderer = new THREE.CanvasRenderer(); renderer.setSize( window.innerWidth, window.innerHeight ); container.appendChild( renderer.domElement ); stats = new Stats(); stats.domElement.style.position = 'absolute'; stats.domElement.style.top = '0px'; container.appendChild( stats.domElement ); document.addEventListener( 'mousedown', onDocumentMouseDown, false ); document.addEventListener( 'touchstart', onDocumentTouchStart, false ); document.addEventListener( 'touchmove', onDocumentTouchMove, false ); // window.addEventListener( 'resize', onWindowResize, false ); } function onWindowResize() { windowHalfX = window.innerWidth / 2; windowHalfY = window.innerHeight / 2; camera.aspect = window.innerWidth / window.innerHeight; camera.updateProjectionMatrix(); renderer.setSize( window.innerWidth, window.innerHeight ); } // function onDocumentMouseDown( event ) { event.preventDefault(); document.addEventListener( 'mousemove', onDocumentMouseMove, false ); document.addEventListener( 'mouseup', onDocumentMouseUp, false ); document.addEventListener( 'mouseout', onDocumentMouseOut, false ); mouseXOnMouseDown = event.clientX - windowHalfX; targetRotationOnMouseDown = targetRotation; } function onDocumentMouseMove( event ) { mouseX = event.clientX - windowHalfX; targetRotation = targetRotationOnMouseDown + ( mouseX - mouseXOnMouseDown ) * 0.02; } function onDocumentMouseUp( event ) { document.removeEventListener( 'mousemove', onDocumentMouseMove, false ); document.removeEventListener( 'mouseup', onDocumentMouseUp, false ); document.removeEventListener( 'mouseout', onDocumentMouseOut, false ); } function onDocumentMouseOut( event ) { document.removeEventListener( 'mousemove', onDocumentMouseMove, false ); document.removeEventListener( 'mouseup', onDocumentMouseUp, false ); document.removeEventListener( 'mouseout', onDocumentMouseOut, false ); } function onDocumentTouchStart( event ) { if ( event.touches.length === 1 ) { event.preventDefault(); mouseXOnMouseDown = event.touches[ 0 ].pageX - windowHalfX; targetRotationOnMouseDown = targetRotation; } } function onDocumentTouchMove( event ) { if ( event.touches.length === 1 ) { event.preventDefault(); mouseX = event.touches[ 0 ].pageX - windowHalfX; targetRotation = targetRotationOnMouseDown + ( mouseX - mouseXOnMouseDown ) * 0.05; } } // function animate() { requestAnimationFrame( animate ); render(); stats.update(); } function render() { cube.rotation.y += ( targetRotation - cube.rotation.y ) * 0.05; renderer.render( scene, camera ); } </script> </body> </html> |
Цитата:
<script src="../build/three.min.js"></script> НЕ забывай ВСЕ изменяющиеся фигуры делать глобальными var cube, cube1, cube2, plane; var R = 300; var phi = 0; Движение function render() { cube.position.x = R * Math.cos( phi ); cube.position.z = R * Math.sin( phi ); cube1.position.x = (R-20) * Math.cos( phi ); cube1.position.z = (R-20) * Math.sin( phi ); cube2.position.x = (R+20) * Math.cos( phi ); cube2.position.z = (R+20) * Math.sin( phi ); phi = phi + 0.01; ... Плюс я раскомментировал позицию камеры, иначе ничего не видно. Если так не устроит, сдвигай не R, а phi: cube1.position.x = R * Math.cos( phi -0.01); cube1.position.z = R * Math.sin( phi -0.01); |
все равно не работат
1. непонятно что вы расскоментировали, помоему cube1, это не камера я в нес все изменения и вот что получилось <!DOCTYPE html> <html lang="en"> <head> <title>three.js canvas - 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 { font-family: Monospace; background-color: #f0f0f0; margin: 0px; overflow: hidden; } </style> </head> <body> <script src="../build/three.min.js"></script> <script src="js/libs/stats.min.js"></script> <script> var container, stats; var camera, scene, renderer; var cube, plane; var targetRotation = 0; var targetRotationOnMouseDown = 0; var mouseX = 0; var mouseXOnMouseDown = 0; var windowHalfX = window.innerWidth / 2; var windowHalfY = window.innerHeight / 2; var cube, cube1, cube2, plane; var R = 300; var phi = 0; init(); animate(); function init() { container = document.createElement( 'div' ); document.body.appendChild( container ); var info = document.createElement( 'div' ); info.style.position = 'absolute'; info.style.top = '10px'; info.style.width = '100%'; info.style.textAlign = 'center'; info.innerHTML = 'Drag to spin the cube'; container.appendChild( info ); camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 1000 ); camera.position.y = 150; camera.position.z = 500; scene = new THREE.Scene(); // Cube var geometry = new THREE.CubeGeometry( 100, 300, 5 ); for ( var i = 0; i < geometry.faces.length; i += 2 ) { var hex = Math.random() * 0xffffff; geometry.faces[ i ].color.setHex( hex ); geometry.faces[ i + 1 ].color.setHex( hex ); } var geometry1 = new THREE.CubeGeometry( 100, 300, 5 ); for ( var i = 0; i < geometry.faces.length; i += 2 ) { var hex = Math.random() * 0xffffff; geometry1.faces[ i ].color.setHex( hex ); geometry1.faces[ i + 1 ].color.setHex( hex ); } var geometry2 = new THREE.CubeGeometry( 100, 300, 5 ); for ( var i = 0; i < geometry.faces.length; i += 2 ) { var hex = Math.random() * 0xffffff; geometry2.faces[ i ].color.setHex( hex ); geometry2.faces[ i + 1 ].color.setHex( hex ); } var material = new THREE.MeshBasicMaterial( { vertexColors: THREE.FaceColors, overdraw: 0.5 } ); cube2 = new THREE.Mesh( geometry2,material ); cube1 = new THREE.Mesh( geometry1,material ); cube = new THREE.Mesh( geometry, material ); //cube.position.y = 150; scene.add( cube ); scene.add( cube1 ); scene.add( cube2 ); // Plane var geometry = new THREE.PlaneGeometry( 200, 200 ); geometry.applyMatrix( new THREE.Matrix4().makeRotationX( - Math.PI / 2 ) ); var material = new THREE.MeshBasicMaterial( { color: 0xe0e0e0, overdraw: 0.5 } ); plane = new THREE.Mesh( geometry, material ); //scene.add( plane ); renderer = new THREE.CanvasRenderer(); renderer.setSize( window.innerWidth, window.innerHeight ); container.appendChild( renderer.domElement ); stats = new Stats(); stats.domElement.style.position = 'absolute'; stats.domElement.style.top = '0px'; container.appendChild( stats.domElement ); document.addEventListener( 'mousedown', onDocumentMouseDown, false ); document.addEventListener( 'touchstart', onDocumentTouchStart, false ); docum.ent.addEventListener( 'touchmove', onDocumentTouchMove, false ); // window.addEventListener( 'resize', onWindowResize, false ); } function onWindowResize() { windowHalfX = window.innerWidth / 2; windowHalfY = window.innerHeight / 2; camera.aspect = window.innerWidth / window.innerHeight; camera.updateProjectionMatrix(); renderer.setSize( window.innerWidth, window.innerHeight ); } // function onDocumentMouseDown( event ) { event.preventDefault(); document.addEventListener( 'mousemove', onDocumentMouseMove, false ); document.addEventListener( 'mouseup', onDocumentMouseUp, false ); document.addEventListener( 'mouseout', onDocumentMouseOut, false ); mouseXOnMouseDown = event.clientX - windowHalfX; targetRotationOnMouseDown = targetRotation; } function onDocumentMouseMove( event ) { mouseX = event.clientX - windowHalfX; targetRotation = targetRotationOnMouseDown + ( mouseX - mouseXOnMouseDown ) * 0.02; } function onDocumentMouseUp( event ) { document.removeEventListener( 'mousemove', onDocumentMouseMove, false ); document.removeEventListener( 'mouseup', onDocumentMouseUp, false ); document.removeEventListener( 'mouseout', onDocumentMouseOut, false ); } function onDocumentMouseOut( event ) { document.removeEventListener( 'mousemove', onDocumentMouseMove, false ); document.removeEventListener( 'mouseup', onDocumentMouseUp, false ); document.removeEventListener( 'mouseout', onDocumentMouseOut, false ); } function onDocumentTouchStart( event ) { if ( event.touches.length === 1 ) { event.preventDefault(); mouseXOnMouseDown = event.touches[ 0 ].pageX - windowHalfX; targetRotationOnMouseDown = targetRotation; } } function onDocumentTouchMove( event ) { if ( event.touches.length === 1 ) { event.preventDefault(); mouseX = event.touches[ 0 ].pageX - windowHalfX; targetRotation = targetRotationOnMouseDown + ( mouseX - mouseXOnMouseDown ) * 0.05; } } // function animate() { requestAnimationFrame( animate ); render(); stats.update(); } function render() { cube.position.x = R * Math.cos( phi ); cube.position.z = R * Math.sin( phi ); cube1.position.x = (R-20) * Math.cos( phi ); cube1.position.z = (R-20) * Math.sin( phi ); cube2.position.x = (R+20) * Math.cos( phi ); cube2.position.z = (R+20) * Math.sin( phi ); phi = phi + 0.01; renderer.render( scene, camera ); } </script> </body> </html> |
У тебя в коде ошибка, закралась .... точка в слове document
docum.ent.addEventListener( 'touchmove', onDocumentTouchMove, false ); В google Chrome Меню- Инструменты - Консоль Javascript, отлавливай ошибки |
Часовой пояс GMT +3, время: 10:55. |