Y12

WEEK12 

week12-1

hello world 

*fout = file out

讀檔案fscanf

把file.txt讀進來

*fin = file input

*fscanf是read

fscanf和fprintf的結合,加了fclose(fout)、fclose(fin)

=>fprintf完就結束->fscanf要在前面加 &

PRINTF_FPRINTF.CPP

#include <stdio.h>

int main(){

FILE*fout=fopen("file.txt","w");    ("檔名" "模式") 檔案指標fout

printf("Hello World\n");

fprintf(fout,"Hello World在檔案裡\n");

}

week12-2

#include <stdio.h>

int main(){

FILE*fin=fopen("file.txt","r");

char line[100];

fscanf(fin,"%s",line);

printf("從file.txt讀到了:%s\n",line);

fscanf(fin,"%s",line);

printf("從file.txt讀到了:%s\n",line);

}

week12-3

#include <stdio.h>

int main(){

int a[10]={10,20,30,40,50,60,70,80,90,100};

int b[10]={};

FILE*fout=fopen("file3.txt","w");

for(int i=0;i<10;i++){

     printf("%d ",a[i]);

     fprintf(fout, "%d ",a[i]);

}

printf("\n");

fprintf(fout, "\n");

fclose(fout);

FILE*fin=fopen("file3.txt","r");

for(int i=0;i<10;i++){

fscanf(fin,"%d",&b[i]);

printf("b%d:%d ",i,b[i]);

}

fclose(fin);

}

week12-4

#include <stdio.h>

#include <GL/glut.h>

float teapotX=0, teapot Y=0;

void display(){

  glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);

  glutSolidTeapot(0.3);

glutSwapBuffers();

}

void mouse(int button,int state, int x, int y);

{

   if(stage==GLUT_DOWN){

    teapotX=(x-150)/150.0;

    teapotY=(150-y)/150.0;

   }

   display();

}

int main(int argc,char**argv){

 glutInit(&argc,argv);

 glutInitDisplayMode(GLUT_DPUBLE |GLUT_DEPTH);

 glutCreateWindow("week12");

 glutDisplayFunc(display);

 glutMouseFunc(mouse);

 glutMainLoop();

}

week12-5

#include <stdio.h>

#include <GL/glut.h>

FILE* fout=NULL;

FILE* fin==NULL;

float teapotX=0, teapot Y=0;

void display(){

  glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);

  glutSolidTeapot(0.3);

glutSwapBuffers();

}

void mouse(int button,int state, int x, int y);

{

   if(stage==GLUT_DOWN){

    teapotX=(x-150)/150.0;

    teapotY=(150-y)/150.0;

    if(fout==NULL)fout=fopen("file4.txt","w");

     fclose(fout);

     fin=fopen("file4.txt","r");

   }

   fscanf(fin,"%f %f", &teapotX,&teapotY);

   display();

}

int main(int argc,char**argv)

{

 glutInit(&argc,argv);

 glutInitDisplayMode(GLUT_DPUBLE |GLUT_DEPTH);

 glutCreateWindow("week12");

 glutDisplayFunc(display);

 glutMouseFunc(mouse);

 glutKeyboardFnction(keyboard);

 glutMainLoop();

}

 

總程式:

#include <GL/glut.h>
	#include "glm.h"
	GLMmodel * pmodel = NULL;///有一個模型的指標，先是空的
	#include <opencv/highgui.h> ///使用 OpenCV 2.1 比較簡單, 只要用 High GUI 即可
	#include <opencv/cv.h>
	#include <GL/glut.h>
	int myTexture(char * filename)
	{
	IplImage * img = cvLoadImage(filename); ///OpenCV讀圖
	cvCvtColor(img,img, CV_BGR2RGB); ///OpenCV轉色彩 (需要cv.h)
	glEnable(GL_TEXTURE_2D); ///1. 開啟貼圖功能
	GLuint id; ///準備一個 unsigned int 整數, 叫 貼圖ID
	glGenTextures(1, &id); /// 產生Generate 貼圖ID
	glBindTexture(GL_TEXTURE_2D, id); ///綁定bind 貼圖ID
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); /// 貼圖參數, 超過包裝的範圖T, 就重覆貼圖
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); /// 貼圖參數, 超過包裝的範圖S, 就重覆貼圖
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); /// 貼圖參數, 放大時的內插, 用最近點
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); /// 貼圖參數, 縮小時的內插, 用最近點
	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, img->width, img->height, 0, GL_RGB, GL_UNSIGNED_BYTE, img->imageData);
	return id;
	}
	void display()
	{
	glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
	if(pmodel == NULL){
	pmodel = glmReadOBJ("Gundam.obj");
	glmUnitize(pmodel);
	glmFacetNormals(pmodel);
	glmVertexNormals(pmodel,90);
	}
	glmDraw(pmodel,GLM_MATERIAL | GLM_TEXTURE);
	///glutSolidTeapot(0.3);
	glutSwapBuffers();
	}
	int main(int argc,char* argv[])
	{
	glutInit(&argc,argv);
	glutInitDisplayMode(GLUT_RGB|GLUT_DOUBLE|GLUT_DEPTH);
	glutCreateWindow("week10");
	myTexture("Diffuse.jpg");
	glutDisplayFunc(display);
	glutMainLoop();
	}

下禮拜

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