我试图让这个三个例子（目前使用WebGLRenderer）与CanvasRenderer一起使用： http://threejs.org/examples/webgl_shadowmap.html
这是我的结果： http://scottrogowski.com/ralphe/horse2.html
我已经将渲染器从WebGLRenderer更改为CanvasRenderer，但过去我不知道该怎么做。马匹漂浮在屏幕上而不是跑步。
我是否缺少某些东西，或者我是否遇到ThreeJS中的某些固有限制？
我猜这可能与morphanimmesh有关，因为这似乎是动画发生的地方。
javascript代码（试图制作小提琴，不会渲染:(）：
var SHADOW_MAP_WIDTH = 2048,
var SHADOW_MAP_HEIGHT = 1024;
var MARGIN = 100;
var SCREEN_WIDTH = window.innerWidth;
var SCREEN_HEIGHT = window.innerHeight - 2 * MARGIN;
var FLOOR = -250;
var camera, controls, scene, renderer;
var container, stats;
var NEAR = 5,
FAR = 3000;
var sceneHUD, cameraOrtho, hudMaterial;
var morph, morphs = [];
var light;
var clock = new THREE.Clock();
init();
animate();
function init() {
container = document.createElement('div');
document.body.appendChild(container);
// SCENE CAMERA
camera = new THREE.PerspectiveCamera(23, SCREEN_WIDTH / SCREEN_HEIGHT, NEAR, FAR);
camera.position.set(700, 50, 1900);
controls = new THREE.FirstPersonControls(camera);
controls.lookSpeed = 0.0125;
controls.movementSpeed = 500;
controls.noFly = false;
controls.lookVertical = true;
controls.constrainVertical = true;
controls.verticalMin = 1.5;
controls.verticalMax = 2.0;
controls.lon = -110;
// SCENE
scene = new THREE.Scene();
scene.fog = new THREE.Fog(0x59472b, 1000, FAR);
// LIGHTS
var ambient = new THREE.AmbientLight(0x444444);
scene.add(ambient);
light = new THREE.SpotLight(0xffffff, 1, 0, Math.PI, 1);
light.position.set(0, 1500, 1000);
light.target.position.set(0, 0, 0);
light.castShadow = true;
light.shadowCameraNear = 700;
light.shadowCameraFar = camera.far;
light.shadowCameraFov = 50;
//light.shadowCameraVisible = true;
light.shadowBias = 0.0001;
light.shadowDarkness = 0.5;
light.shadowMapWidth = SHADOW_MAP_WIDTH;
light.shadowMapHeight = SHADOW_MAP_HEIGHT;
scene.add(light);
createHUD();
createScene();
// RENDERER
renderer = new THREE.CanvasRenderer(); //WebGLRenderer( { clearColor: 0x000000, clearAlpha: 1, antialias: false } );
renderer.setSize(SCREEN_WIDTH, SCREEN_HEIGHT);
renderer.domElement.style.position = "relative";
renderer.domElement.style.top = MARGIN + 'px';
container.appendChild(renderer.domElement);
renderer.setClearColor(scene.fog.color, 1);
renderer.autoClear = false;
//
renderer.shadowMapEnabled = true;
renderer.shadowMapType = THREE.PCFShadowMap;
// STATS
stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.top = '0px';
stats.domElement.style.zIndex = 100;
//container.appendChild( stats.domElement );
//
window.addEventListener('resize', onWindowResize, false);
}
function onWindowResize() {
SCREEN_WIDTH = window.innerWidth;
SCREEN_HEIGHT = window.innerHeight - 2 * MARGIN;
camera.aspect = SCREEN_WIDTH / SCREEN_HEIGHT;
camera.updateProjectionMatrix();
renderer.setSize(SCREEN_WIDTH, SCREEN_HEIGHT);
controls.handleResize();
}
function createHUD() {
cameraOrtho = new THREE.OrthographicCamera(SCREEN_WIDTH / -2, SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2, SCREEN_HEIGHT / -2, -10, 1000);
cameraOrtho.position.z = 10;
var shader = THREE.UnpackDepthRGBAShader;
var uniforms = new THREE.UniformsUtils.clone(shader.uniforms);
hudMaterial = new THREE.ShaderMaterial({
vertexShader: shader.vertexShader,
fragmentShader: shader.fragmentShader,
uniforms: uniforms
});
var hudGeo = new THREE.PlaneGeometry(SHADOW_MAP_WIDTH / 2, SHADOW_MAP_HEIGHT / 2);
var hudMesh = new THREE.Mesh(hudGeo, hudMaterial);
hudMesh.position.x = (SCREEN_WIDTH - SHADOW_MAP_WIDTH / 2) * -0.5;
hudMesh.position.y = (SCREEN_HEIGHT - SHADOW_MAP_HEIGHT / 2) * -0.5;
hudMesh.rotation.x = Math.PI / 2;
sceneHUD = new THREE.Scene();
sceneHUD.add(hudMesh);
cameraOrtho.lookAt(sceneHUD.position);
}
function createScene() {
// GROUND
var geometry = new THREE.PlaneGeometry(100, 100);
var planeMaterial = new THREE.MeshPhongMaterial({
color: 0xffdd99
});
planeMaterial.ambient = planeMaterial.color;
var ground = new THREE.Mesh(geometry, planeMaterial);
ground.position.set(0, FLOOR, 0);
ground.rotation.x = -Math.PI / 2;
ground.scale.set(100, 100, 100);
ground.castShadow = false;
ground.receiveShadow = true;
scene.add(ground);
// TEXT
var textGeo = new THREE.TextGeometry("THREE.JS", {
size: 200,
height: 50,
curveSegments: 12,
font: "helvetiker",
weight: "bold",
style: "normal",
bevelThickness: 2,
bevelSize: 5,
bevelEnabled: true
});
textGeo.computeBoundingBox();
var centerOffset = -0.5 * (textGeo.boundingBox.max.x - textGeo.boundingBox.min.x);
var textMaterial = new THREE.MeshPhongMaterial({
color: 0xff0000,
specular: 0xffffff,
ambient: 0xaa0000
});
var mesh = new THREE.Mesh(textGeo, textMaterial);
mesh.position.x = centerOffset;
mesh.position.y = FLOOR + 67;
mesh.castShadow = true;
mesh.receiveShadow = true;
scene.add(mesh);
// CUBES
var mesh = new THREE.Mesh(new THREE.CubeGeometry(1500, 220, 150), planeMaterial);
mesh.position.y = FLOOR - 50;
mesh.position.z = 20;
mesh.castShadow = true;
mesh.receiveShadow = true;
scene.add(mesh);
var mesh = new THREE.Mesh(new THREE.CubeGeometry(1600, 170, 250), planeMaterial);
mesh.position.y = FLOOR - 50;
mesh.position.z = 20;
mesh.castShadow = true;
mesh.receiveShadow = true;
scene.add(mesh);
// MORPHS
function addMorph(geometry, speed, duration, x, y, z, fudgeColor) {
var material = new THREE.MeshLambertMaterial({
color: 0xffaa55,
morphTargets: true,
vertexColors: THREE.FaceColors
});
if (fudgeColor) {
material.color.offsetHSL(0, Math.random() * 0.5 - 0.25, Math.random() * 0.5 - 0.25);
material.ambient = material.color;
}
var meshAnim = new THREE.MorphAnimMesh(geometry, material);
meshAnim.speed = speed;
meshAnim.duration = duration;
meshAnim.time = 600 * Math.random();
meshAnim.position.set(x, y, z);
meshAnim.rotation.y = Math.PI / 2;
meshAnim.castShadow = true;
meshAnim.receiveShadow = true;
scene.add(meshAnim);
morphs.push(meshAnim);
}
function morphColorsToFaceColors(geometry) {
if (geometry.morphColors && geometry.morphColors.length) {
var colorMap = geometry.morphColors[0];
for (var i = 0; i < colorMap.colors.length; i++) {
geometry.faces[i].color = colorMap.colors[i];
}
}
}
var loader = new THREE.JSONLoader();
loader.load("horse.js", function (geometry) {
morphColorsToFaceColors(geometry);
addMorph(geometry, 550, 1000, 100 - Math.random() * 1000, FLOOR, 300, true);
addMorph(geometry, 550, 1000, 100 - Math.random() * 1000, FLOOR, 450, true);
addMorph(geometry, 550, 1000, 100 - Math.random() * 1000, FLOOR, 600, true);
addMorph(geometry, 550, 1000, 100 - Math.random() * 1000, FLOOR, -300, true);
addMorph(geometry, 550, 1000, 100 - Math.random() * 1000, FLOOR, -450, true);
addMorph(geometry, 550, 1000, 100 - Math.random() * 1000, FLOOR, -600, true);
});
}
//
function animate() {
requestAnimationFrame(animate);
render();
stats.update();
}
function render() {
var delta = clock.getDelta();
for (var i = 0; i < morphs.length; i++) {
morph = morphs[i];
morph.updateAnimation(1000 * delta);
morph.position.x += morph.speed * delta;
if (morph.position.x > 2000) {
morph.position.x = -1000 - Math.random() * 500;
}
}
controls.update(delta);
renderer.clear();
renderer.render(scene, camera);
}