视图:指定观察者或照相机的位置
模型: 在场景中移动的物体
模型视图 描述视图和模型的变换的二元性
投影:改变视景体的大小和重新设置它的形状
视口:这一种伪变化 只是对窗口上的最终输出进行播放。
//
// main.cpp
// 01 OpenGL 环境搭建
//
// Created by KING on 2023/12/24.
// Copyright © 2023 Miss CC. All rights reserved.
//
#include "GLTools.h"
#include "GLMatrixStack.h"
#include "GLShaderManager.h"
#include "GLFrame.h"
#include "GLFrustum.h"
#include "GLGeometryTransform.h"
#include
#ifdef __APPLE__
#include
#else
#include
#endif
//GLMatrixStack 堆栈矩阵
static GLMatrixStack modelViewMatix;
static GLMatrixStack projectionMatrix;
static GLBatch tubeBatch;
static GLBatch innerBatch;
static GLFrame viewFrame;
static GLFrustum viewFrustum;
static GLShaderManager shaderManager;
static GLFrustum frustum;
static int enablePlane = 0;
//几何变换的管道
static GLGeometryTransform transformPipeline;
static void SpecialKeys(int key, int x, int y) {
if(key == GLUT_KEY_UP)
viewFrame.RotateWorld(m3dDegToRad(-5.0), 1.0f, 0.0f, 0.0f);
if(key == GLUT_KEY_DOWN)
viewFrame.RotateWorld(m3dDegToRad(5.0), 1.0f, 0.0f, 0.0f);
if(key == GLUT_KEY_LEFT)
viewFrame.RotateWorld(m3dDegToRad(-5.0), 0.0f, 1.0f, 0.0f);
if(key == GLUT_KEY_RIGHT)
viewFrame.RotateWorld(m3dDegToRad(5.0), 0.0f, 1.0f, 0.0f);
//刷新窗口
glutPostRedisplay();
}
static void ChangeSize(int w, int h) {
if (h == 0) {
h = 1;
}
glViewport(0, 0, w, h);
if (enablePlane) {
viewFrustum.SetOrthographic(-130.f, 130.f, -130.f, 130.f, -130.f, 130.f);
} else {
viewFrustum.SetPerspective(35.0f, float(w)/float(h), 1.0f, 1000.0f);
}
projectionMatrix.LoadMatrix(viewFrustum.GetProjectionMatrix());
transformPipeline.SetMatrixStacks(modelViewMatix, projectionMatrix);
// frustum.SetPerspective(<#float fFov#>, <#float fAspect#>, <#float fNear#>, <#float fFar#>)
// frustum.SetOrthographic(<#GLfloat xMin#>, <#GLfloat xMax#>, <#GLfloat yMin#>, <#GLfloat yMax#>, <#GLfloat zMin#>, <#GLfloat zMax#>)
}
static void Render() {
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_STENCIL_BUFFER_BIT);
glEnable(GL_DEPTH_TEST);
modelViewMatix.PushMatrix(viewFrame);
M3DVector4f vRed = {1.0f,0.0f,0.0f,1.0f};
M3DVector4f vGreen = {0.0,0.0,1.0,1.0};
shaderManager.UseStockShader(GLT_SHADER_DEFAULT_LIGHT,transformPipeline.GetModelViewMatrix(),transformPipeline.GetProjectionMatrix(),vRed);
tubeBatch.Draw();
shaderManager.UseStockShader(GLT_SHADER_DEFAULT_LIGHT,transformPipeline.GetModelViewMatrix(),transformPipeline.GetProjectionMatrix(),vGreen);
innerBatch.Draw();
modelViewMatix.PopMatrix();
glutSwapBuffers();
}
static void initData() {
if (enablePlane) {
//设置清屏颜色
glClearColor(0.0f, 0.0f, 0.75f, 1.0f );
// glEnable(GL_CULL_FACE);
glEnable(GL_DEPTH_TEST);
//初始化着色器管理器
shaderManager.InitializeStockShaders();
tubeBatch.Begin(GL_QUADS, 200);
float fZ = 100.0f;
float bZ = -100.0f;
//左面板的颜色、顶点、光照数据
//颜色值
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
//光照法线
//接受3个表示坐标的值,指定一条垂直于三角形表面的法线向量
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
//顶点数据
tubeBatch.Vertex3f(-50.0f, 50.0f, 100.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-50.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f,50.0f,fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(50.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(50.0f,-50.0f,fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, 35.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, 35.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, 50.0f,fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, -35.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, -35.0f,fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 1.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 1.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 1.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, 50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 1.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f,50.0f,bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, -1.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, -1.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, -50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, -1.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, -50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, -1.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, -50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, 50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(-1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(-1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, 50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(-1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, -50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(-1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-50.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-50.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f,50.0f,fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(50.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(50.0f,-50.0f,fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, 35.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, 35.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, 50.0f,fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, -35.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, -35.0f,fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 1.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 1.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 1.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, 50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 1.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f,50.0f,bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, -1.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, -1.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, -50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, -1.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, -50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, -1.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, -50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, 50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(-1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(-1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, 50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(-1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, -50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(-1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, -50.0f, fZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f,50.0f,bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, -50.0f, bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-50.0f, -50.0f, bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-50.0f, 50.0f, bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(50.0f,-50.0f,bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, -50.0f, bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, 50.0f, bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(50.0f, 50.0f, bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, 50.0f, bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, 35.0f, bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, 35.0f, bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, 50.0f, bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, -35.0f,bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, -50.0f, bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, -50.0f, bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, -35.0f, bZ);
tubeBatch.End();
//内壁
innerBatch.Begin(GL_QUADS, 40);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(0.0f, 1.0f, 0.0f);
innerBatch.Vertex3f(-35.0f, 35.0f, fZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(0.0f, 1.0f, 0.0f);
innerBatch.Vertex3f(35.0f, 35.0f, fZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(0.0f, 1.0f, 0.0f);
innerBatch.Vertex3f(35.0f, 35.0f, bZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(0.0f, 1.0f, 0.0f);
innerBatch.Vertex3f(-35.0f,35.0f,bZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(0.0f, 1.0f, 0.0f);
innerBatch.Vertex3f(-35.0f, -35.0f, fZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(0.0f, 1.0f, 0.0f);
innerBatch.Vertex3f(-35.0f, -35.0f, bZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(0.0f, 1.0f, 0.0f);
innerBatch.Vertex3f(35.0f, -35.0f, bZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(0.0f, 1.0f, 0.0f);
innerBatch.Vertex3f(35.0f, -35.0f, fZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(1.0f, 0.0f, 0.0f);
innerBatch.Vertex3f(-35.0f, 35.0f, fZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(1.0f, 0.0f, 0.0f);
innerBatch.Vertex3f(-35.0f, 35.0f, bZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(1.0f, 0.0f, 0.0f);
innerBatch.Vertex3f(-35.0f, -35.0f, bZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(1.0f, 0.0f, 0.0f);
innerBatch.Vertex3f(-35.0f, -35.0f, fZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(-1.0f, 0.0f, 0.0f);
innerBatch.Vertex3f(35.0f, 35.0f, fZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(-1.0f, 0.0f, 0.0f);
innerBatch.Vertex3f(35.0f, -35.0f, fZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(-1.0f, 0.0f, 0.0f);
innerBatch.Vertex3f(35.0f, -35.0f, bZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(-1.0f, 0.0f, 0.0f);
innerBatch.Vertex3f(35.0f, 35.0f, bZ);
innerBatch.End();
} else {
glClearColor(0.0f, 0.0f, 0.75f, 1.0f );
glEnable(GL_DEPTH_TEST);
shaderManager.InitializeStockShaders();
viewFrame.MoveForward(450.0f);
tubeBatch.Begin(GL_QUADS, 200);
float fZ = 100.0f;
float bZ = -100.0f;
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-50.0f, 50.0f, 100.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-50.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f,50.0f,fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(50.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(50.0f,-50.0f,fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, 35.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, 35.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, 50.0f,fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, -35.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, -35.0f,fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 1.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 1.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 1.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, 50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 1.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f,50.0f,bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, -1.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, -1.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, -50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, -1.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, -50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, -1.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, -50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, 50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(-1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(-1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, 50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(-1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, -50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(-1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-50.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-50.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f,50.0f,fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(50.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(50.0f,-50.0f,fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, 35.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, 35.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, 50.0f,fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, -35.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, -35.0f,fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 1.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 1.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 1.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, 50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, 1.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f,50.0f,bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, -1.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, -1.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, -50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, -1.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, -50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(0.0f, -1.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, -50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, -50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(50.0f, 50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(-1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, 50.0f, fZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(-1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, 50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(-1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, -50.0f, bZ);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Normal3f(-1.0f, 0.0f, 0.0f);
tubeBatch.Vertex3f(-50.0f, -50.0f, fZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f,50.0f,bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, -50.0f, bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-50.0f, -50.0f, bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-50.0f, 50.0f, bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(50.0f,-50.0f,bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, -50.0f, bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, 50.0f, bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(50.0f, 50.0f, bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, 50.0f, bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, 35.0f, bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, 35.0f, bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, 50.0f, bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, -35.0f,bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(35.0f, -50.0f, bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, -50.0f, bZ);
tubeBatch.Normal3f(0.0f, 0.0f, -1.0f);
tubeBatch.Color4f(1.0f, 0.0f, 0.0f, 1.0f);
tubeBatch.Vertex3f(-35.0f, -35.0f, bZ);
tubeBatch.End();
innerBatch.Begin(GL_QUADS, 40);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(0.0f, 1.0f, 0.0f);
innerBatch.Vertex3f(-35.0f, 35.0f, fZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(0.0f, 1.0f, 0.0f);
innerBatch.Vertex3f(35.0f, 35.0f, fZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(0.0f, 1.0f, 0.0f);
innerBatch.Vertex3f(35.0f, 35.0f, bZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(0.0f, 1.0f, 0.0f);
innerBatch.Vertex3f(-35.0f,35.0f,bZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(0.0f, 1.0f, 0.0f);
innerBatch.Vertex3f(-35.0f, -35.0f, fZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(0.0f, 1.0f, 0.0f);
innerBatch.Vertex3f(-35.0f, -35.0f, bZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(0.0f, 1.0f, 0.0f);
innerBatch.Vertex3f(35.0f, -35.0f, bZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(0.0f, 1.0f, 0.0f);
innerBatch.Vertex3f(35.0f, -35.0f, fZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(1.0f, 0.0f, 0.0f);
innerBatch.Vertex3f(-35.0f, 35.0f, fZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(1.0f, 0.0f, 0.0f);
innerBatch.Vertex3f(-35.0f, 35.0f, bZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(1.0f, 0.0f, 0.0f);
innerBatch.Vertex3f(-35.0f, -35.0f, bZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(1.0f, 0.0f, 0.0f);
innerBatch.Vertex3f(-35.0f, -35.0f, fZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(-1.0f, 0.0f, 0.0f);
innerBatch.Vertex3f(35.0f, 35.0f, fZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(-1.0f, 0.0f, 0.0f);
innerBatch.Vertex3f(35.0f, -35.0f, fZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(-1.0f, 0.0f, 0.0f);
innerBatch.Vertex3f(35.0f, -35.0f, bZ);
innerBatch.Color4f(0.75f, 0.75f, 0.75f, 1.0f);
innerBatch.Normal3f(-1.0f, 0.0f, 0.0f);
innerBatch.Vertex3f(35.0f, 35.0f, bZ);
innerBatch.End();
}
}
static void ProcessMenu(int value) {
if (value == 1) {
enablePlane = !enablePlane;
}
glutPostRedisplay();
}
int main(int argc,char *argv[]) {
gltSetWorkingDirectory(argv[0]);
glutInitDisplayMode(GLUT_DEPTH|GLUT_RGBA | GLUT_DOUBLE | GLUT_MULTISAMPLE);
glutInit(&argc, argv);
glutInitWindowSize(800, 600);
glutCreateWindow("new");
glutSpecialFunc(SpecialKeys);
glutReshapeFunc(ChangeSize);
glutDisplayFunc(Render);
GLenum error = glewInit();
if (error != GLEW_OK) {
printf("open gl init error = %s",glewGetErrorString(error));
return 1;
}
glutCreateMenu(ProcessMenu);
glutAddMenuEntry("enablePlane",1);
glutAttachMenu(GLUT_RIGHT_BUTTON);
initData();
glutMainLoop();
return 0;
}
/*
M3DVector3f vVector1 = {1.0f,0.0f,0.0f};
M3DVector3f vVector2 = {0.0,1.0,0.0};
//1.获取两个向量之间的夹角 两个单位向量点乘可以获得两个单位向量之间的夹角
GLfloat value1 = m3dDotProduct3(vVector1, vVector2);
// cos ->度数
GLfloat value2 = acos(value1);
///直接获得
GLfloat value3 = m3dGetAngleBetweenVectors3(vVector1, vVector2);
/// 弧度->度数
GLfloat value4 = m3dRadToDeg(value3);
/// 度数转弧度
GLfloat value5 = m3dDegToRad(90);
/// 两个向量叉乘(不用单位向量)
M3DVector3f vector1 = {0.0,0.0,0.0};
m3dCrossProduct3(vector1, vVector1, vVector2);
*/