The file containing the source code shown below is located in the corresponding directory in <sdk>/samples/android-<version>/...
/*
* Copyright (C) 2008 The Android开源工程
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.example.android.apis.graphics.kube;
public class Cube extends GLShape {
public Cube(GLWorld world, float left, float bottom, float back, float right, float top, float front) {
super(world);
GLVertex leftBottomBack = addVertex(left, bottom, back);
GLVertex rightBottomBack = addVertex(right, bottom, back);
GLVertex leftTopBack = addVertex(left, top, back);
GLVertex rightTopBack = addVertex(right, top, back);
GLVertex leftBottomFront = addVertex(left, bottom, front);
GLVertex rightBottomFront = addVertex(right, bottom, front);
GLVertex leftTopFront = addVertex(left, top, front);
GLVertex rightTopFront = addVertex(right, top, front);
// vertices are added in a clockwise orientation (when viewed from the outside)
// bottom
addFace(new GLFace(leftBottomBack, leftBottomFront, rightBottomFront, rightBottomBack));
// front
addFace(new GLFace(leftBottomFront, leftTopFront, rightTopFront, rightBottomFront));
// left
addFace(new GLFace(leftBottomBack, leftTopBack, leftTopFront, leftBottomFront));
// right
addFace(new GLFace(rightBottomBack, rightBottomFront, rightTopFront, rightTopBack));
// back
addFace(new GLFace(leftBottomBack, rightBottomBack, rightTopBack, leftTopBack));
// top
addFace(new GLFace(leftTopBack, rightTopBack, rightTopFront, leftTopFront));
}
public static final int kBottom = 0;
public static final int kFront = 1;
public static final int kLeft = 2;
public static final int kRight = 3;
public static final int kBack = 4;
public static final int kTop = 5;
}