小白學圖學 Week03

 #Week03

##mouse滑鼠

1.桌面有「葉正聖老師上課軟體」freeglut安裝(拉到桌面),再把lib的libfreeglut.a複製成libglut32.a

2.CodeBlocks File-New-Project,GLUT專案,week03_mouse

3.把blog/github的10行程式貼進來

4.再3行

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程式碼照片

*上週的10行程式碼(茶壺)

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程式照片

*Print "Hello World"

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程式碼照片

*更改11行

printf("%d %d %d%d\n",button,state,x,y);

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程式照片

*生成座標:0左鍵,1中鍵,2右鍵

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程式碼照片

*更改12行

if(state==GLUT_DOWN){

        printf("glVertex2f((%d-150)/150.0,-(%d-150)/150.0);\n",x,y);

    }

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程式碼照片

*生成點座標

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使用葉正聖老師教材

https://jsyeh.org/3dcg10/

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程式碼照片 Translate移動

*更改15行

    teapotX = (x-150)/150.0;

    teapotY = -(y-150)/150.0;

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程式畫面

*用滑鼠戳可以改位置

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程式碼照片 Rotate旋轉

*新增20行

void motion(int x,int y)

{

    angle = x;

    display();

}

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程式畫面

*↻旋轉

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程式碼照片 Translate+Rotate+Keyboard+Mouse

*綜合Translate,Rotate快捷鍵於鍵盤上以w,e控制

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程式畫面

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