電腦圖學課程week12 叡

 

Week12-1

CodeBlocks開啟,開檔案week12-1 printf_fprintf.cpp

#include <stdio.h>
int main()
{
    FILE * fout = fopen("file.txt", "w");
    printf("Hello World\n");
    fprintf(fout,"Hello World檔案在這裡");

}

執行後會出現記事本

Week12-2

開檔案week12-2 scanf_fscanf.cpp

#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

開檔案week12-3_many_numbers_scanf_printf_fscnaf_fprintf.cpp

#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);

}

出現一個會跟著你滑鼠點擊移動位置的茶杯

Week12-4

開GLUT專案week12-4 week keyboard_mouse

#include <stdio.h>

#include <GL/glut.h>

float teatopX=0, teatopY=0;

void display()

{

    glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);

    glPushMatrix();

        glTranslatef(teatopX,teatopY,0);

        glutSolidTeapot( 0.3 );

    glPopMatrix();

    glutSwapBuffers();

}

void mouse(int botton,int state,int x, int y)

{

    if(state==GLUT_DOWN){

        teatopX = (x-150)/150.0;

        teatopY = (105-y)/150.0;

    }

    display();

}

int main(int argc, char** argv)

{

    glutInit(&argc, argv);

    glutInitDisplayMode(GL_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("week12");

    glutDisplayFunc(display);

    glutMouseFunc(mouse);

    glutMainLoop();

}

Week12-5

要把freeglut.dll複製到project檔案中