BabylonJS - 漫反射
Diffuse 漫反射属性将颜色扩散到其所连接的整个网格上。
示例
请考虑以下示例以了解其工作原理。
语法
materialforbox.diffuseColor = new BABYLON.Color3(1.0, 0.2, 0.7);
演示
<!doctype html> <html> <head> <meta charset = "utf-8"> <title>BabylonJs - Basic Element-Creating Scene</title> <script src = "babylon.js"></script> <style> canvas {width: 100%; height: 100%;} </style> </head> <body> <canvas id = "renderCanvas"></canvas> <script type = "text/javascript"> var canvas = document.getElementById("renderCanvas"); var engine = new BABYLON.Engine(canvas, true); var createScene = function() { var scene = new BABYLON.Scene(engine); scene.clearColor = new BABYLON.Color3(0, 1, 0); var camera = new BABYLON.ArcRotateCamera("Camera", 1, 0.8, 10, new BABYLON.Vector3(0, 0, 0), scene); camera.attachControl(canvas, true); var light = new BABYLON.HemisphericLight("light1", new BABYLON.Vector3(0, 1, 0), scene); light.intensity = 0.7; var materialforbox = new BABYLON.StandardMaterial("texture1", scene); var box = BABYLON.Mesh.CreateBox("box", '3', scene); box.material = materialforbox; materialforbox.diffuseColor = new BABYLON.Color3(1.0, 0.7, 0.3); // color is applied to he box return scene; }; var scene = createScene(); engine.runRenderLoop(function() { scene.render(); }); </script> </body> </html>
输出

使用标准材质,您可以将颜色应用于其所附着的形状。
带纹理的演示
纹理是使用图像创建的。
<!doctype html> <html> <head> <meta charset = "utf-8"> <title>BabylonJs - Basic Element-Creating Scene</title> <script src = "babylon.js"></script> <style> canvas {width: 100%; height: 100%;} </style> </head> <body> <canvas id = "renderCanvas"></canvas> <script type = "text/javascript"> var canvas = document.getElementById("renderCanvas"); var engine = new BABYLON.Engine(canvas, true); var createScene = function() { var scene = new BABYLON.Scene(engine); scene.clearColor = new BABYLON.Color3(0, 1, 0); var camera = new BABYLON.ArcRotateCamera("Camera", 1, 0.8, 10, new BABYLON.Vector3(0, 0, 0), scene); camera.attachControl(canvas, true); var light = new BABYLON.HemisphericLight("light1", new BABYLON.Vector3(0, 1, 0), scene); light.intensity = 0.7; var materialforbox = new BABYLON.StandardMaterial("texture1", scene); var box = BABYLON.Mesh.CreateBox("box", '3', scene); box.material = materialforbox; materialforbox.diffuseTexture = new BABYLON.Texture("images/nature.jpg", scene); return scene; }; var scene = createScene(); engine.runRenderLoop(function() { scene.render(); }); </script> </body> </html>
输出
上述代码行生成以下输出 −

在此演示中,我们使用了一个名为 nature.jpg 的图像。图像存储在本地 images/ 文件夹中,也粘贴在下面以供参考。您可以下载您选择的任何图像并在演示链接中使用。
我们已将以下图像用于框 − images/nature.jpg

使用偏移进行漫反射
现在让我们看看如何使用偏移进行漫反射。
语法
materialforbox.diffuseTexture.uOffset = 0.5; materialforbox.diffuseTexture.vOffset = 0.5;
U 和 v 指的是 x 和 y 轴 −
<!doctype html> <html> <head> <meta charset = "utf-8"> <title>BabylonJs - Basic Element-Creating Scene</title> <script src = "babylon.js"></script> <style> canvas {width: 100%; height: 100%;} </style> </head> <body> <canvas id = "renderCanvas"></canvas> <script type = "text/javascript"> var canvas = document.getElementById("renderCanvas"); var engine = new BABYLON.Engine(canvas, true); var createScene = function() { var scene = new BABYLON.Scene(engine); scene.clearColor = new BABYLON.Color3(0, 1, 0); var camera = new BABYLON.ArcRotateCamera("Camera", 1, 0.8, 10, new BABYLON.Vector3(0, 0, 0), scene); camera.attachControl(canvas, true); var light = new BABYLON.HemisphericLight("light1", new BABYLON.Vector3(0, 1, 0), scene); light.intensity = 0.7; var materialforbox = new BABYLON.StandardMaterial("texture1", scene); var box = BABYLON.Mesh.CreateBox("box", '3', scene); box.material = materialforbox; materialforbox.diffuseTexture = new BABYLON.Texture("images/nature.jpg", scene); materialforbox.diffuseTexture.uOffset = 0.5; materialforbox.diffuseTexture.vOffset = 0.5; return scene; }; var scene = createScene(); engine.runRenderLoop(function() { scene.render(); }); </script> </body> </html>
输出
上述代码行生成以下输出 −

在此演示中,我们使用了一个名为 nature.jpg 的图像。图像存储在本地的 images/ 文件夹中。在这里,我们使用了与上一个演示中相同的图像。该图像已粘贴在上面以供参考。您可以下载您选择的任何图像并在演示链接中使用。
带缩放的漫射
现在让我们看看如何带缩放的漫射。
语法
materialforbox.diffuseTexture.uScale = 5.0; materialforbox.diffuseTexture.vScale = 5.0;
演示
<!doctype html> <html> <head> <meta charset = "utf-8"> <title>BabylonJs - Basic Element-Creating Scene</title> <script src = "babylon.js"></script> <style> canvas {width: 100%; height: 100%;} </style> </head> <body> <canvas id = "renderCanvas"></canvas> <script type = "text/javascript"> var canvas = document.getElementById("renderCanvas"); var engine = new BABYLON.Engine(canvas, true); var createScene = function() { var scene = new BABYLON.Scene(engine); scene.clearColor = new BABYLON.Color3(0, 1, 0); var camera = new BABYLON.ArcRotateCamera("Camera", 1, 0.8, 10, new BABYLON.Vector3(0, 0, 0), scene); camera.attachControl(canvas, true); var light = new BABYLON.HemisphericLight("light1", new BABYLON.Vector3(0, 1, 0), scene); light.intensity = 0.7; var materialforbox = new BABYLON.StandardMaterial("texture1", scene); var box = BABYLON.Mesh.CreateBox("box", '3', scene); box.material = materialforbox; materialforbox.diffuseTexture = new BABYLON.Texture("images/nature.jpg", scene); materialforbox.diffuseTexture.uOffset = 0.5; materialforbox.diffuseTexture.vOffset = 0.5; materialforbox.diffuseTexture.uScale = 5.0; materialforbox.diffuseTexture.vScale = 5.0; return scene; }; var scene = createScene(); engine.runRenderLoop(function() { scene.render(); }); </script> </body> </html>
输出
上述代码行生成以下输出 −

在此演示中,我们使用了一个名为 nature.jpg 的图像。图像存储在本地的 images/ 文件夹中。我们使用了与上一个演示中相同的图像。该图像已粘贴在上面以供参考。您可以下载您选择的任何图像并在演示链接中使用。