XUANZHUAN.rar_旋转资源-CSDN文库

共13个文件

pdb：2个

cpp：1个

ilk：1个

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13 浏览量 2022-09-22 19:39:39 上传评论收藏 1.23MB RAR 举报

在IT行业中，尤其是在图形编程和游戏开发领域，"旋转"是一个关键的概念，它涉及到计算机图形学中的3D变换。在这个场景中，"XUANZHUAN.rar_旋转"的标题和描述暗示了我们正在讨论如何在Visual C++（VC）环境中创建一个片状球体，并为其添加旋转动画。下面我们将深入探讨这个主题。片状球体是构建3D模型的一种方法，它通常由多个等大的二维面片拼接而成，类似于地球仪那样。在VC中，我们可以利用OpenGL或Direct3D这样的图形库来绘制这样的几何体。这些库提供了强大的功能，用于创建、渲染和操纵3D对象。接着，"加动画旋转"部分涉及的是物体在3D空间中的动态行为。在计算机图形学中，旋转是通过一个称为旋转矩阵的数学工具实现的。一个3D对象的旋转可以通过绕X、Y、Z轴进行，或者通过指定一个任意轴进行旋转。在VC中，我们需要更新这个旋转矩阵以随着时间推移改变物体的角度，从而实现动画效果。实现这一过程通常包括以下步骤： 1. **初始化**：设置初始旋转角度和旋转速度。 2. **计算旋转矩阵**：根据时间步长和旋转速度，计算出当前帧的旋转角度，然后转换为旋转矩阵。 3. **应用变换**：将旋转矩阵与物体的坐标进行矩阵乘法，更新物体的位置和方向。 4. **渲染**：在屏幕上绘制更新后的物体。 5. **循环**：重复以上步骤，形成连续的动画效果。在"旋转球体"的文件中，可能包含了实现这一过程的源代码、资源文件或者预编译的可执行程序。源代码可能会有对OpenGL或Direct3D函数的调用，如`glRotatef()`（OpenGL）或`D3DXMatrixRotationXYZ()`（Direct3D）来执行旋转操作。此外，为了增强用户体验，开发者可能还考虑了平滑插值（如slerp，即球形线性插值）来使旋转更平滑，或者添加了用户交互功能，让用户可以控制旋转速度和方向。 "XUANZHUAN.rar_旋转"项目提供了一个学习3D图形编程和动画的好例子，特别是对于那些希望在VC环境下实现3D对象旋转效果的人来说。通过深入理解3D变换、旋转矩阵以及图形库的使用，开发者可以创建出更复杂、更生动的3D应用程序和游戏。

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XUANZHUAN.rar （13个子文件）

旋转球体

guangzhao.opt 48KB

guangzhao.ncb 33KB

guangzhao.dsw 526B

guangzhao.plg 1KB

Debug

vc60.idb 137KB

guangzhao.pch 3.53MB

guangzhao.obj 16KB

vc60.pdb 76KB

guangzhao.pdb 633KB

guangzhao.exe 232KB

guangzhao.ilk 345KB

guangzhao.cpp 5KB

guangzhao.dsp 4KB

#include <windows.h> #include <stdlib.h> #include <stdio.h> #include <math.h> #include <GL/gl.h> #include <GL/glu.h> #include <GL/glaux.h> #include <GL/glu.h> #define SWING 1 #define BAR 2 void CALLBACK draw(); void CALLBACK reshape(int width,int height); float angle; int direction; void CALLBACK reshape(int width,int height) { glViewport(0,0,(GLint)width,(GLint)height); glMatrixMode(GL_PROJECTION); glLoadIdentity(); glOrtho(-50,50.0,-50,50,-150,150); glMatrixMode(GL_MODELVIEW); } void CALLBACK draw() { glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); glLoadIdentity(); glRotatef(60,0.0,1.0,0.0); glCallList(BAR); glLoadIdentity(); glColor3f(0.0,0.0,1.0); //glTranslatef(0.0,30.0,0.0); glRotatef(angle++,0.0,1.0,0.0); glTranslatef(0.0,1.0,0.0); glColor3f(0.0,0.0,1.0); glCallList(SWING); glFlush(); //auxSwapBuffers(); //if(direction==1) //angle+=1; /*else angle--; if(angle==-40.0) { direction=1; } if(angle==40.0) { direction=0; }*/ } void make_bar(){ /* glNewList(BAR,GL_COMPILE); glColor3f(1.0,1.0,0.0); glBegin(GL_QUADS); glNormal3f(0.0,0.0,-1.0); glVertex3d(-50,30,-1); glVertex3d(50,30,-1); glVertex3d(50,30,1); glVertex3d(-50,30,1); glNormal3f(-1.0,0.0,0.0); glVertex3d(-50,33,-1); glVertex3d(50,33,-1); glVertex3d(50,33,1); glVertex3d(-50,33,1); glColor3f(1.0,0.65,0.0); glNormal3f(-1.0,0.0,0.0); glVertex3d(-50,33,1); glVertex3d(-50,30,1); glVertex3d(50,30,1); glVertex3d(50,33,1); glNormal3f(-1.0,0.0,0.0); glVertex3d(50,33,-1); glVertex3d(50,30,-1); glVertex3d(-50,30,-1); glVertex3d(-50,33,-1); glNormal3f(-1.0,0.0,0.0); glColor3f(1.0,0.0,0.0); glVertex3d(-50,33,-1); glVertex3d(-50,30,-1); glVertex3d(-50,30,1); glVertex3d(-50,33,1); glNormal3f(-1.0,0.0,0.0); glVertex3d(50,33,1); glVertex3d(50,30,1); glVertex3d(50,30,-1); glVertex3d(50,33,-1); glEnd(); glEndList(); */ } void make_swing(){ glNewList(SWING,GL_COMPILE); glPushMatrix(); auxSolidBox(20,10,5); glPopMatrix(); /* GLint slices,stacks; GLUquadricObj *quadObj; quadObj=gluNewQuadric(); slices=8; stacks=6; glNewList(SWING,GL_COMPILE); glColor3f(1.0,0.0,1.0); gluSphere(quadObj,40.0,slices,stacks); glColor3f(1.0,0.0,1.0); glLineWidth(5.0); glBegin(GL_LINES); glNormal3f(-1.0,0.0,0.0); glVertex3d(-20,30,0); glVertex3d(-20,-30,0); glVertex3d(20,30,0); glVertex3d(20,-30,0); glEnd(); glColor3f(0.0,1.0,0.0); glBegin(GL_QUAD_STRIP); glNormal3f(-1.0,0.0,0.0); glVertex3d(20,-30,-10); glVertex3d(20,-33,-10); glVertex3d(-20,-30,-10); glVertex3d(-20,-33,-10); glNormal3f(-1.0,0.0,0.0); glVertex3d(-20,-30,10); glVertex3d(-20,-33,10); glVertex3d(20,-30,10); glVertex3d(20,-33,10); glVertex3d(20,-30,-10); glVertex3d(20,-33,-10); glEnd(); glColor3f(0.0,0.0,1.0); glBegin(GL_QUADS); glNormal3f(-1.0,0.0,0.0); glVertex3d(-20,-33,-10); glVertex3d(20,-33,-10); glVertex3d(20,-33,10); glVertex3d(-20,-33,10); glNormal3f(-1.0,0.0,0.0); glVertex3d(-20,-30,-10); glVertex3d(20,-30,-10); glVertex3d(20,-30,10); glVertex3d(-20,-30,10); glEnd(); */ glEndList(); } void main(int argc,char * *argv) { /* float position[]={3.0,0.0,3.0,0.0}; float local_view[]={10.0}; float ambient[]={0.17450,0.1175,0.01175}; float diffuse[]={0.61424,0.04136,0.4136}; float specular[]={0.727811,0.626959,0.626959}; glLightfv(GL_LIGHT0,GL_POSITION,position); glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER,local_view); glEnable(GL_LIGHTING); glEnable(GL_LIGHT0); glEnable(GL_AUTO_NORMAL); glMaterialfv(GL_FRONT,GL_AMBIENT,ambient); glMaterialfv(GL_FRONT,GL_DIFFUSE,diffuse); glMaterialfv(GL_FRONT,GL_SPECULAR,specular); glMaterialf(GL_FRONT,GL_SHININESS,0.6*128.0); float specular[]={1.0,1.0,1.0,1.0}; float shininess[]={100.0}; float position[]={0.0,0.0,10.0,0.0}; auxInitPosition(0,0,500,500); auxInitWindow("SWING"); auxInitDisplayMode(AUX_SINGLE|AUX_RGB|AUX_DEPTH); glClearColor(0.0,1.0,0.0,0.0); glShadeModel(GL_SMOOTH); glPolygonMode(GL_FRONT_AND_BACK,GL_LINE); glEnable(GL_DEPTH_TEST); glMaterialfv(GL_FRONT_AND_BACK,GL_SPECULAR,specular); glMaterialfv(GL_FRONT_AND_BACK,GL_SHININESS,shininess); glColorMaterial(GL_FRONT_AND_BACK,GL_AMBIENT_AND_DIFFUSE); glEnable(GL_COLOR_MATERIAL); glLightfv(GL_LIGHT0,GL_POSITION,position); glEnable(GL_LIGHTING); glEnable(GL_LIGHT0);*/ auxInitPosition(0,0,500,500); auxInitWindow("SWING"); auxInitDisplayMode(AUX_DOUBLE|AUX_RGB|AUX_DEPTH); glClearColor(0.0,1.0,0.0,0.0); glShadeModel(GL_FLAT); glPolygonMode(GL_FRONT_AND_BACK,GL_FILL); glEnable(GL_DEPTH_TEST); make_bar(); make_swing(); angle=-39.0; direction=0; auxReshapeFunc(reshape); auxIdleFunc(draw); auxMainLoop(draw); }

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