计算机图形学 实验一：生成彩色立方体(含源代码).docVIP

实验一 实验目的：生成彩色立方体 实验代码：//ColorCube1.java import java.applet.Applet; //可以插入html import java.awt.BorderLayout; //窗口采用BorderLayout方式布局 import com.sun.j3d.utils.applet.MainFrame; //application import com.sun.j3d.utils.geometry.ColorCube;//调用生成ColorCube的Utility import com.sun.j3d.utils.geometry.Primitive; import com.sun.j3d.utils.universe.*; //观测位置的设置 import javax.media.j3d.*; //核心类 import javax.vecmath.*; //矢量计算 import com.sun.j3d.utils.behaviors.mouse.*; public class ColorCube1 extends Applet { public BranchGroup createSceneGraph() { BranchGroup objRoot=new BranchGroup(); //BranchGroup的一个对象objRoot（放置背景、灯光） BoundingSphere bounds=new BoundingSphere(new Point3d(0.0,0.0,0.0),100.0);//有效范围 TransformGroup objTrans=new TransformGroup(); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); objRoot.addChild(objTrans); MouseRotate behavior = new MouseRotate(); behavior.setTransformGroup(objTrans); objRoot.addChild(behavior); behavior.setSchedulingBounds(bounds); MouseZoom behavior2 = new MouseZoom(); behavior2.setTransformGroup(objTrans); objRoot.addChild(behavior2); behavior2.setSchedulingBounds(bounds); MouseTranslate behavior3 = new MouseTranslate(); behavior3.setTransformGroup(objTrans); objRoot.addChild(behavior3); behavior3.setSchedulingBounds(bounds); Color3f bgColor=new Color3f(0.0f,0.0f,0.0f); //背景颜色 Background bg=new Background(bgColor); bg.setApplicationBounds(bounds); objRoot.addChild(bg); Color3f directionalColor=new Color3f(1.f,1.f,1.f); Vector3f vec=new Vector3f(1.f,1.f,-1.0f); DirectionalLight directionalLight=new DirectionalLight(directionalColor,vec); directionalLight.setInfluencingBounds(bounds); objRoot.addChild(directionalLight); Appearance app=new Appearance(); //外观材质 Material material=new Materi