max*_*ner 3 javascript babylonjs
我正在处理babylonjs-playground.com 上的“基本场景”示例,尝试对球体的颜色进行简单的修改。
这是我的尝试,可以交互运行:
https://www.babylonjs-playground.com/#95BNBS
这是代码:
var createScene = function () {
// The original example, without comments:
var scene = new BABYLON.Scene(engine);
var camera = new BABYLON.FreeCamera("camera1", new BABYLON.Vector3(0, 5, -10), scene);
camera.setTarget(BABYLON.Vector3.Zero());
camera.attachControl(canvas, true);
var light = new BABYLON.HemisphericLight("light1", new BABYLON.Vector3(0, 1, 0), scene);
light.intensity = 0.7;
var sphere = BABYLON.Mesh.CreateSphere("sphere1", 16, 2, scene);
sphere.position.y = 1;
var ground = BABYLON.Mesh.CreateGround("ground1", 6, 6, 2, scene);
// My attempt to color the sphere
var material = new BABYLON.StandardMaterial(scene);
material.alpha = 1;
material.diffuseColor = new BABYLON.Color3(1,0,0);
scene.material = material;
return scene;
};
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我尝试将彩色材质添加到球体中没有效果。
我还尝试在球体对象上查找与颜色相关的属性:
Object.keys(sphere).filter((key) => return key.includes("Color") )
// => "outlineColor", "overlayColor", "_useVertexColors", "edgesColor"
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除了 之外_useVertexColors,所有这些似乎都是颜色对象,但更改它们没有效果:
sphere.overlayColor.g = 1;
sphere.outlineColor.g = 1;
sphere.edgesColor.g = 1;
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你已经很接近了。您正在正确设置颜色,diffuseColor但实际上并未将其专门添加到您的球体中。
您的球体对象存储在中sphere,因此您需要做的是将material您创建的设置为 onsphere而不是 on scene。
// My attempt to color the sphere
var material = new BABYLON.StandardMaterial(scene);
material.alpha = 1;
material.diffuseColor = new BABYLON.Color3(1.0, 0.2, 0.7);
sphere.material = material; // <--
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请参阅本教程
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