1.新開一個專案,命名為"week13-1_glm_gundam_keyboard_angleID_mouse_motion_angle"
2.複製上禮拜的程式碼,"week12-3_glm_gundam_keyboard_angleID_mouse_motion_angle"
3.新開一個專案,命名為"week13-2_FILE_fopen_fprintf_fscanf"
4.把week13-1複製整個目錄,改目錄名改.cbp名
5.要加FILE指標
6.在motion()裡,要加一段程式
7.你執行程式時,用mouse motion一邊改變角度,一邊大量產生角度值,小黑關掉後,可在目錄裡,看到angle.txt裡面就是剛剛印的一堆數值
8.小心,angle.txt裡面要有空格,不然就錯了,printf()及fprintf()要加"%.1f "
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