作者查詢 / VictorTom
作者 VictorTom 在 PTT [ C_and_CPP ] 看板的留言(推文), 共10783則
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1F推:Ctrl+F5試試?? 在main裡最後的return 0;之前加上一行07/12 21:24
2F→:system("PAUSE"); 試試(需要#include <stdlib.h>07/12 21:25
3F→:直接到命令提示字元下執行build出來的.exe檔試試??07/12 21:25
4F推:Turbo C跟你的書都一樣太古老了, 換一本比較新的吧....07/12 16:21
19F推:副檔名改成.c試試....XD07/13 09:22
1F推:如果你的物件的三角形只會出現在同一Z平面, 是可以考慮07/12 00:06
2F→:先對物件排序, 然後由遠的往近的畫; 不然, 就是自己模擬07/12 00:06
3F→:Z-buffer, 先產生一個與繪圖pixel維度相同大小的Z-buf並07/12 00:07
4F→:給與適當初值, 然後每個pixel你都要想辦法弄到對應的Z值07/12 00:08
5F→:, 在畫出來前比對Z-buffer的內容看看是不是在前面, 其實07/12 00:09
6F→:就是Depth-Test在做的事就對了.07/12 00:09
7F→:以前小弟也用BCB裡的Bitmap當color buffer, 自己硬幹一07/12 00:10
8F→:個簡單的3D撒點工具說....XD07/12 00:11
1F推:best裡的sizeof(student)沒有辦法像main裡一樣正確的算07/11 16:40
2F→:出你想要的東西, sizeof用在array上要在array被定義的地07/11 16:41
3F→:方才會算出你想要的結果; 結論, 直接把array大小從main07/11 16:41
4F→:傳進best裡去算吧....07/11 16:41
5F推:另外, 用sizeof在本板搜尋也可以找出討論過的類似問題,07/11 16:44
6F→:請見 #1BDSy4aw 或 #1BDuwKox 等文章....07/11 16:44
18F推:推一開始就學好正確的觀念比較好, ptr與arr除了存取的07/11 11:32
19F→:語法有些相似外, 本質與概念應該都還差滿多的吧@_@"07/11 11:33
34F推:不論原文或翻譯, 簡體中文的確是有些程設不錯的書@_@"07/12 07:16
42F推:簡中的指針應該就是指正中的指標(pointer)吧??07/15 09:26
2F→:(大驚) 5535元!?07/10 21:34
8F推:你何不先查查DirectX與OpenGL是幹麻用的, 提供了些什麼07/10 21:29
9F→:功能, 是不是與你想實作的效果有關, 再來問用哪個呢??07/10 21:30
10F→:話說, 影片裡主要是多點觸控的demo, 你要做的影像處理部07/10 21:32
11F→:份是玩弄那些圖時旋轉放大移動等特效嗎?? 是的話那的確07/10 21:33
12F→:能使用GPU加速的話, 應該效能會好許多....07/10 21:33
17F推:如果只要在windows上用, 可以考慮DX, 如果會考慮到其他07/10 21:45
18F→:OS甚至其他手持裝置, 那請選OpenGL. 至於誰比較容易完成07/10 21:47
19F→:就看有沒有同時熟DX與GL的大大的看法了....@_@"07/10 21:48
3F推:這裡*A會算出array A[10]的結果, size來看應該是還好...07/09 12:59
4F→:問題是, A[0]~[9]的值又不能交換甚至不能重新賦值,07/09 13:00
5F→:小弟我不太懂原po是想怎麼排序法; 如果是 *A[10] 這樣07/09 13:01
6F→:的form可能還可以排, 但是必須搭動態配置, 也要自己算07/09 13:02
7F→:大小不能夠直接sizeof....@_@"07/09 13:02
8F→:如果只是想各別把A[0]~A[9]的內容各自排序好, 那應該07/09 13:03
9F→:是要跑迴圈做10次qsort, 傳的參數也要跟著修改....07/09 13:03
16F推:哈哈~~的確是小弟我忽略了直接把整條A[i/j]的data通通07/10 21:26
17F→:交換的case了....orz07/10 21:26
7F推:能請教一下資料嗎?? 小弟不太明白邏輯位址是什麼概念@@"07/09 09:12
13F推:那看起來像是offset, 也就是以當前PC為準往前或往後跳多07/09 13:16
14F→:少; 等loader重定位後, 應該是virtual address吧@_@"07/09 13:18
44F推:感謝t大<(_ _)> OS的東西全部燒掉了Orz07/09 23:38
3F推:在min_max()內, 你應該是把g_max/min的值, 寫進07/08 09:35
4F→:max/min_v所指向的位址去; 你現在的寫法反而是把g_###07/08 09:35
5F→:的位址copy變成###_v指標變數的值....07/08 09:37