|
请使用QQ关联注册PLM之家,学习更多关于内容,更多精彩原创视频供你学习!
您需要 登录 才可以下载或查看,没有账号?注册
x
, C' _, B8 d" j) r+ ]( e! }, G" Q$ S6 i" B1 T. u/ ^
官方提供的实例如下 ( {: F0 Z+ H+ |3 r
4 _% ^/ \( R* S) O, f1。 首先在Scene里面激活 渲染 ShadowMap
" G1 q+ J; h2 f: k0 w//Create a WebGLRenderer and turn on shadows in the renderervar renderer = new THREE.WebGLRenderer();renderer.shadowMap.enabled = true;renderer.shadowMap.type = THREE.PCFSoftShadowMap; // default THREE.PCFShadowMap6 x% r* R3 S# ]3 {; _( d: [
7 t5 Y" ~; a% O. t2。 创建平行光,并可以投射Shadow//Create a DirectionalLight and turn on shadows for the lightvar light = new THREE.DirectionalLight( 0xffffff, 1, 100 );light.position.set( 0, 1, 0 ); //default; light shining from toplight.castShadow = true; // default falsescene.add( light );
1 B# K+ f+ a0 c- R
) W2 u! k! n" c3 ]//Set up shadow properties for the lightlight.shadow.mapSize.width = 512; // defaultlight.shadow.mapSize.height = 512; // defaultlight.shadow.camera.near = 0.5; // defaultlight.shadow.camera.far = 500; // default
: Q& E1 }) O" `# k0 t. q; d% t! O+ K; r3 w3 O( J3 v l! q& d
3. 创建接受shadow的物体 //Create a sphere that cast shadows (but does not receive them)var sphereGeometry = new THREE.SphereBufferGeometry( 5, 32, 32 );var sphereMaterial = new THREE.MeshStandardMaterial( { color: 0xff0000 } );var sphere = new THREE.Mesh( sphereGeometry, sphereMaterial );sphere.castShadow = true; //default is falsesphere.receiveShadow = false; //defaultscene.add( sphere );1 j3 o( J# N2 e& t+ S1 H
! r7 l/ h1 b, z: D! r4. 创建获取投影的平面 //Create a plane that receives shadows (but does not cast them)var planeGeometry = new THREE.PlaneBufferGeometry( 20, 20, 32, 32 );var planeMaterial = new THREE.MeshStandardMaterial( { color: 0x00ff00 } )var plane = new THREE.Mesh( planeGeometry, planeMaterial );plane.receiveShadow = true;scene.add( plane );//Create a helper for the shadow camera (optional)var helper = new THREE.CameraHelper( light.shadow.camera );scene.add( helper );/ T }) U( N2 f' n z
, {% X* ?, b: `) b* K
6 ^+ e2 t7 q* a. l9 m6 Y# `% c2 B, k: `* p
% B& U+ D* h! H% }7 z: O效果如下!6 H5 U3 g0 S# b, Y
. w! b3 N9 y. f" ^% b' c
9 ]7 H, @2 L1 z/ B) Y7 a: l }
5 @ I* i& @% `$ ]1 d
|
|