回答編集履歴
5
コメントの修正しました。
test
CHANGED
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@@ -354,7 +354,7 @@
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354
354
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355
355
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//以下の内容が通用しないのでテキストエディタ（最悪Windowsのメモ帳でも可）
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356
356
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357
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-
//で空白を,(カンマ）に
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357
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+
//で空白を,(カンマ）に置換する必要がある、
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358
358
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359
359
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360
360
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4
ソースの問題点を変更したのと画像を変えました。
test
CHANGED
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@@ -1,8 +1,6 @@
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1
1
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~~自己解決しました。一応、WndProc関数を貼っておきます。~~
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2
2
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3
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-
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4
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-
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5
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-
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6
4
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5
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6
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@@ -800,21 +798,13 @@
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800
798
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801
799
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{
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802
800
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803
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-
//全ての頂点毎に、全ての面の頂点座標と比較して、
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804
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-
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805
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-
if(vvv[i].count>0)
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806
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-
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807
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{
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808
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-
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809
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-
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801
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+
Normalize(&vvv[i]);
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810
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-
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802
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+
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811
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-
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803
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+
//vvv[i].x/=vvv[i].count ;
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812
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-
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804
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+
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813
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-
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805
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//vvv[i].y/=vvv[i].count ;
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814
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-
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806
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+
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815
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-
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807
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+
//vvv[i].z/=vvv[i].count ;
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816
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-
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817
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-
}
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818
808
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819
809
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}
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820
810
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3
ソースを大幅に増やしました。
test
CHANGED
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@@ -8,7 +8,131 @@
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8
8
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9
9
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```c/c++
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10
10
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11
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-
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11
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+
int min_[HEIGHT];
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12
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13
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int max_[HEIGHT];
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14
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15
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typedef struct VTX{
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16
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17
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double x,y,z;
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18
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19
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int count;
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20
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21
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int R,G,B;
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22
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23
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}VTX;
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24
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25
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26
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27
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+
typedef struct XYZ{
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28
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29
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double x;
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30
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+
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31
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+
double y;
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32
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+
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33
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double z;
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34
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+
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35
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int count;
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36
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+
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37
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}XYZ;
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38
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+
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39
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+
typedef struct XY{
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40
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+
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41
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double x;
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42
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+
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43
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double y;
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44
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+
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45
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}XY;
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46
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+
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47
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+
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48
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+
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49
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+
#define RAD (3.14159265/180)
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50
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+
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51
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#define MAX_XYZ 1000
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52
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+
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53
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+
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54
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+
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55
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+
XYZ Pnt[MAX_XYZ];
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56
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+
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57
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+
XY Pnt2[MAX_XYZ];
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58
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+
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59
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+
int Poly[1000][4];
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60
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+
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61
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+
double vpx=1.0f,vpy=1.0f,vpz=-800.0f;
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62
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+
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63
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+
double D=624;
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64
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+
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65
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+
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66
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+
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67
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+
void Projection2DAxisFrom3DAxis(HWND hwnd)
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68
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+
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69
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+
{
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70
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+
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71
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+
HDC hdc = GetDC(hwnd);
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72
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+
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73
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+
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74
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+
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75
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+
for(int i=0;i<MAXVTX;i++)
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76
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+
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77
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+
{
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78
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+
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79
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Pnt2[i].x=(Pnt[i].x*D)/(Pnt[i].z-vpz)+160.0f;
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80
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+
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81
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+
Pnt2[i].y=-(Pnt[i].y*D)/(Pnt[i].z-vpz)+120.0f;
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82
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+
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83
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+
//PSET(Pnt2[i].x,Pnt2[i].y,0x00ff0000);
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84
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+
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85
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//char str[100];
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86
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+
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87
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//sprintf(str,"%d",i);
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88
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+
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89
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+
//TextOut(hdc,Pnt2[i].x,Pnt2[i].y,str,strlen(str));
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90
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+
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91
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+
}
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92
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+
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93
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+
}
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94
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+
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95
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void SetPoly(int num,int n1,int n2,int n3)
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96
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+
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97
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{
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98
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+
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99
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Poly[num][0]=n1;//頂点番号を指定
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100
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+
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101
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+
Poly[num][1]=n2;
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102
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+
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103
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+
Poly[num][2]=n3;
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104
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+
|
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105
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+
}
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106
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+
|
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107
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void SetXYZ(int num,double x,double y,double z)
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108
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+
|
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109
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{
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110
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+
|
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111
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if(num<0 || num>=MAX_XYZ) return;
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112
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+
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113
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+
Pnt[num].x=x;//頂点座標を指定
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114
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+
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115
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+
Pnt[num].y=y;
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116
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+
|
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117
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+
Pnt[num].z=z;
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118
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+
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119
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+
}
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120
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+
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121
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+
void PSET(int x,int y,int col)
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122
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+
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123
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{
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124
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+
|
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125
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+
//点を打つ
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126
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+
|
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127
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+
if(x<0 || x>=WIDTH-2) return;
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128
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+
|
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129
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+
if(y<0 || y>=HEIGHT-2) return;
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130
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+
|
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131
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+
|
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132
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+
|
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133
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+
lpPixel[x+(y*WIDTH)]=col;
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134
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+
|
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135
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+
}
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12
136
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13
137
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inline void LINE2COL(int x1,int y1,int x2,int y2,int COL,int COL2)
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14
138
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2
ソースを更新しましたがこれ以上入るのでしょうか？
test
CHANGED
|
@@ -1,4 +1,4 @@
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1
|
-
自己解決しました。一応、WndProc関数を貼っておきます。
|
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1
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+
~~自己解決しました。一応、WndProc関数を貼っておきます。~~
|
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2
2
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3
3
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4
4
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|
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@@ -8,6 +8,420 @@
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8
8
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9
9
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```c/c++
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10
10
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11
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+
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12
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+
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13
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+
inline void LINE2COL(int x1,int y1,int x2,int y2,int COL,int COL2)
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14
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+
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15
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{
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16
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+
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17
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+
//線を描くのと左か右かを判断する関数
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18
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+
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19
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+
int NewX,NewY;
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20
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+
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21
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+
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22
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+
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23
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+
for(int j=0;j<1024;j++)
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24
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+
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25
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+
{
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26
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+
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27
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+
NewX=x1*(1024-j)+x2*j>>10;
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28
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+
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29
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+
NewY=y1*(1024-j)+y2*j>>10;
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30
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+
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31
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+
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32
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+
|
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33
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+
int R1,R2,G1,G2,B1,B2;
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34
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+
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35
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+
|
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36
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+
|
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37
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+
R1=(COL>>16) & 0xFF;
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38
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+
|
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39
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+
G1=(COL>>8) & 0xFF;
|
|
40
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+
|
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41
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+
B1=(COL) & 0xFF;
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42
|
+
|
|
43
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+
|
|
44
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+
|
|
45
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+
R2=(COL2>>16) & 0xFF;
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46
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+
|
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47
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+
G2=(COL2>>8) & 0xFF;
|
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48
|
+
|
|
49
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+
B2=(COL2) & 0xFF;
|
|
50
|
+
|
|
51
|
+
|
|
52
|
+
|
|
53
|
+
|
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54
|
+
|
|
55
|
+
int R=R1*(1024-j)+R2*j>>10;
|
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56
|
+
|
|
57
|
+
int G=G1*(1024-j)+G2*j>>10;
|
|
58
|
+
|
|
59
|
+
int B=B1*(1024-j)+B2*j>>10;
|
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60
|
+
|
|
61
|
+
|
|
62
|
+
|
|
63
|
+
PSET(NewX,NewY,RGB(R,G,B));
|
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64
|
+
|
|
65
|
+
|
|
66
|
+
|
|
67
|
+
if(min_[(int)NewY]>NewX){
|
|
68
|
+
|
|
69
|
+
min_[(int)NewY]=NewX;
|
|
70
|
+
|
|
71
|
+
cmin[(int)NewY]=RGB(R,G,B);
|
|
72
|
+
|
|
73
|
+
}
|
|
74
|
+
|
|
75
|
+
if(max_[(int)NewY]<NewX){
|
|
76
|
+
|
|
77
|
+
max_[(int)NewY]=NewX;
|
|
78
|
+
|
|
79
|
+
cmax[(int)NewY]=RGB(R,G,B);
|
|
80
|
+
|
|
81
|
+
}
|
|
82
|
+
|
|
83
|
+
|
|
84
|
+
|
|
85
|
+
}
|
|
86
|
+
|
|
87
|
+
}
|
|
88
|
+
|
|
89
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+
|
|
90
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+
|
|
91
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+
int min_Y(int y1,int y2,int y3)
|
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92
|
+
|
|
93
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+
{
|
|
94
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+
|
|
95
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+
if(y1<y2 && y1<y3) return y1;
|
|
96
|
+
|
|
97
|
+
if(y2<y1 && y2<y3) return y2;
|
|
98
|
+
|
|
99
|
+
if(y3<y1 && y3<y2) return y3;
|
|
100
|
+
|
|
101
|
+
}
|
|
102
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+
|
|
103
|
+
|
|
104
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+
|
|
105
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+
int max_Y(int y1,int y2,int y3)
|
|
106
|
+
|
|
107
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+
{
|
|
108
|
+
|
|
109
|
+
if(y1>y2 && y1>y3) return y1;
|
|
110
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+
|
|
111
|
+
if(y2>y1 && y2>y3) return y2;
|
|
112
|
+
|
|
113
|
+
if(y3>y1 && y3>y2) return y3;
|
|
114
|
+
|
|
115
|
+
}
|
|
116
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+
|
|
117
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+
|
|
118
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+
|
|
119
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+
inline void GouraudShade(int x1,int y1,int x2,int y2,int x3,int y3,int C1,int C2,int C3)
|
|
120
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+
|
|
121
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+
{
|
|
122
|
+
|
|
123
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+
|
|
124
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+
|
|
125
|
+
//入れ忘れ（笑）
|
|
126
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+
|
|
127
|
+
for(int i=0;i<SCREENHEIGHT;i++)
|
|
128
|
+
|
|
129
|
+
{
|
|
130
|
+
|
|
131
|
+
min_[i]=65816;
|
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132
|
+
|
|
133
|
+
max_[i]=-65816;
|
|
134
|
+
|
|
135
|
+
cmin[i]=RGB(0,0,0);
|
|
136
|
+
|
|
137
|
+
cmax[i]=RGB(0,0,0);
|
|
138
|
+
|
|
139
|
+
}
|
|
140
|
+
|
|
141
|
+
|
|
142
|
+
|
|
143
|
+
LINE2COL(x1,y1,x2,y2,C1,C2);
|
|
144
|
+
|
|
145
|
+
LINE2COL(x2,y2,x3,y3,C2,C3);
|
|
146
|
+
|
|
147
|
+
LINE2COL(x1,y1,x3,y3,C1,C3);
|
|
148
|
+
|
|
149
|
+
|
|
150
|
+
|
|
151
|
+
for(int Y=min_Y(y1,y2,y3);Y<max_Y(y1,y2,y3);Y++)
|
|
152
|
+
|
|
153
|
+
{
|
|
154
|
+
|
|
155
|
+
int R1=(cmin[Y]>>16) & 0xFF;
|
|
156
|
+
|
|
157
|
+
int G1=(cmin[Y]>>8) & 0xFF;
|
|
158
|
+
|
|
159
|
+
int B1=(cmin[Y]) & 0xFF;
|
|
160
|
+
|
|
161
|
+
|
|
162
|
+
|
|
163
|
+
int R2=(cmax[Y]>>16) & 0xFF;
|
|
164
|
+
|
|
165
|
+
int G2=(cmax[Y]>>8) & 0xFF;
|
|
166
|
+
|
|
167
|
+
int B2=(cmax[Y]) & 0xFF;
|
|
168
|
+
|
|
169
|
+
|
|
170
|
+
|
|
171
|
+
LINE2COL(min_[Y],Y,max_[Y],Y,RGB(R1,G1,B1),RGB(R2,G2,B2));
|
|
172
|
+
|
|
173
|
+
|
|
174
|
+
|
|
175
|
+
}
|
|
176
|
+
|
|
177
|
+
|
|
178
|
+
|
|
179
|
+
}
|
|
180
|
+
|
|
181
|
+
|
|
182
|
+
|
|
183
|
+
void LoadOBJFile(char filename[10000],HWND hwnd)
|
|
184
|
+
|
|
185
|
+
{
|
|
186
|
+
|
|
187
|
+
|
|
188
|
+
|
|
189
|
+
static int flag=0;
|
|
190
|
+
|
|
191
|
+
FILE *fp;
|
|
192
|
+
|
|
193
|
+
fp=fopen(filename,"r");
|
|
194
|
+
|
|
195
|
+
if(fp==NULL)
|
|
196
|
+
|
|
197
|
+
{
|
|
198
|
+
|
|
199
|
+
MessageBox(NULL,"ファイルがありません。","OK?",MB_OK);
|
|
200
|
+
|
|
201
|
+
SelectObject(hdcBMP, hBMPOLD);
|
|
202
|
+
|
|
203
|
+
|
|
204
|
+
|
|
205
|
+
DeleteObject(hdcBMP);
|
|
206
|
+
|
|
207
|
+
DeleteObject(hBMP);
|
|
208
|
+
|
|
209
|
+
|
|
210
|
+
|
|
211
|
+
PostQuitMessage(0);
|
|
212
|
+
|
|
213
|
+
|
|
214
|
+
|
|
215
|
+
return;
|
|
216
|
+
|
|
217
|
+
}
|
|
218
|
+
|
|
219
|
+
|
|
220
|
+
|
|
221
|
+
int i=0;
|
|
222
|
+
|
|
223
|
+
int j=0;
|
|
224
|
+
|
|
225
|
+
|
|
226
|
+
|
|
227
|
+
while(fgets(FileStr[i],50,fp)!=NULL)
|
|
228
|
+
|
|
229
|
+
{
|
|
230
|
+
|
|
231
|
+
j=0;
|
|
232
|
+
|
|
233
|
+
//以下の内容が通用しないのでテキストエディタ（最悪Windowsのメモ帳でも可）
|
|
234
|
+
|
|
235
|
+
//で空白を,(カンマ）に変換する必要がある、
|
|
236
|
+
|
|
237
|
+
|
|
238
|
+
|
|
239
|
+
//while(FileStr[i][j])
|
|
240
|
+
|
|
241
|
+
{
|
|
242
|
+
|
|
243
|
+
// if(FileStr[i][j]==' ') FileStr[i][j]=',';
|
|
244
|
+
|
|
245
|
+
// ++j;
|
|
246
|
+
|
|
247
|
+
}
|
|
248
|
+
|
|
249
|
+
++i;
|
|
250
|
+
|
|
251
|
+
}
|
|
252
|
+
|
|
253
|
+
|
|
254
|
+
|
|
255
|
+
LastLine=i;//最後の行数を保存する
|
|
256
|
+
|
|
257
|
+
char opecode[10000]={0};
|
|
258
|
+
|
|
259
|
+
double XF,YF,ZF;
|
|
260
|
+
|
|
261
|
+
int TriNum1,TriNum2,TriNum3;
|
|
262
|
+
|
|
263
|
+
int k=0;
|
|
264
|
+
|
|
265
|
+
|
|
266
|
+
|
|
267
|
+
for(int i=0;i<LastLine;i++)
|
|
268
|
+
|
|
269
|
+
{
|
|
270
|
+
|
|
271
|
+
|
|
272
|
+
|
|
273
|
+
opecode[0]=FileStr[i][0];
|
|
274
|
+
|
|
275
|
+
//CameraPos.D=535.0f;
|
|
276
|
+
|
|
277
|
+
//CameraPos.Z=-810.0f;
|
|
278
|
+
|
|
279
|
+
|
|
280
|
+
|
|
281
|
+
//PSET(400,300,GetColor(0,0,255));
|
|
282
|
+
|
|
283
|
+
if(opecode[0]=='v')
|
|
284
|
+
|
|
285
|
+
{
|
|
286
|
+
|
|
287
|
+
sscanf(FileStr[i],"%c,%lf,%lf,%lf",
|
|
288
|
+
|
|
289
|
+
opecode,&XF,&YF,&ZF);
|
|
290
|
+
|
|
291
|
+
SetXYZ(k,XF*SCALE,YF*SCALE,ZF*SCALE);
|
|
292
|
+
|
|
293
|
+
Projection2DAxisFrom3DAxis(hwnd);
|
|
294
|
+
|
|
295
|
+
//i=0;
|
|
296
|
+
|
|
297
|
+
|
|
298
|
+
|
|
299
|
+
++k;
|
|
300
|
+
|
|
301
|
+
MAXVTX=k;
|
|
302
|
+
|
|
303
|
+
}
|
|
304
|
+
|
|
305
|
+
|
|
306
|
+
|
|
307
|
+
|
|
308
|
+
|
|
309
|
+
if(opecode[0]=='f')
|
|
310
|
+
|
|
311
|
+
{
|
|
312
|
+
|
|
313
|
+
sscanf(FileStr[i],"%c,%d,%d,%d",
|
|
314
|
+
|
|
315
|
+
opecode,&TriNum1,&TriNum2,&TriNum3);
|
|
316
|
+
|
|
317
|
+
if(flag==0)
|
|
318
|
+
|
|
319
|
+
{
|
|
320
|
+
|
|
321
|
+
j=0;
|
|
322
|
+
|
|
323
|
+
flag=1;
|
|
324
|
+
|
|
325
|
+
}
|
|
326
|
+
|
|
327
|
+
|
|
328
|
+
|
|
329
|
+
SetPoly(j,(int)TriNum1-1,(int)TriNum2-1,(int)TriNum3-1);
|
|
330
|
+
|
|
331
|
+
|
|
332
|
+
|
|
333
|
+
Projection2DAxisFrom3DAxis(hwnd);
|
|
334
|
+
|
|
335
|
+
|
|
336
|
+
|
|
337
|
+
++j;
|
|
338
|
+
|
|
339
|
+
MAXPOL=j;
|
|
340
|
+
|
|
341
|
+
|
|
342
|
+
|
|
343
|
+
}
|
|
344
|
+
|
|
345
|
+
|
|
346
|
+
|
|
347
|
+
|
|
348
|
+
|
|
349
|
+
}
|
|
350
|
+
|
|
351
|
+
|
|
352
|
+
|
|
353
|
+
}
|
|
354
|
+
|
|
355
|
+
|
|
356
|
+
|
|
357
|
+
XYZ CalcCross(XYZ a,XYZ b,XYZ c)
|
|
358
|
+
|
|
359
|
+
{
|
|
360
|
+
|
|
361
|
+
XYZ d={0.0f};
|
|
362
|
+
|
|
363
|
+
XYZ a2,b2;
|
|
364
|
+
|
|
365
|
+
|
|
366
|
+
|
|
367
|
+
a2.x=a.x-b.x;
|
|
368
|
+
|
|
369
|
+
a2.y=a.y-b.y;
|
|
370
|
+
|
|
371
|
+
a2.z=a.z-b.z;
|
|
372
|
+
|
|
373
|
+
|
|
374
|
+
|
|
375
|
+
b2.x=a.x-c.x;
|
|
376
|
+
|
|
377
|
+
b2.y=a.y-c.y;
|
|
378
|
+
|
|
379
|
+
b2.z=a.z-c.z;
|
|
380
|
+
|
|
381
|
+
|
|
382
|
+
|
|
383
|
+
double len=sqrt(a2.x*a2.x+a2.y*a2.y+a2.z*a2.z);
|
|
384
|
+
|
|
385
|
+
a2.x/=len;
|
|
386
|
+
|
|
387
|
+
a2.y/=len;
|
|
388
|
+
|
|
389
|
+
a2.z/=len;
|
|
390
|
+
|
|
391
|
+
|
|
392
|
+
|
|
393
|
+
double len2=sqrt(b2.x*b2.x+b2.y*b2.y+b2.z*b2.z);
|
|
394
|
+
|
|
395
|
+
b2.x/=len2;
|
|
396
|
+
|
|
397
|
+
b2.y/=len2;
|
|
398
|
+
|
|
399
|
+
b2.z/=len2;
|
|
400
|
+
|
|
401
|
+
|
|
402
|
+
|
|
403
|
+
|
|
404
|
+
|
|
405
|
+
//23-32 31-13 12-21
|
|
406
|
+
|
|
407
|
+
//aY*bZ-aZ*bY aZ*bX-aX*bZ aX*bY-aY*bX
|
|
408
|
+
|
|
409
|
+
d.x=a2.y*b2.z-a2.z*b2.y;
|
|
410
|
+
|
|
411
|
+
d.y=a2.z*b2.x-a2.x*b2.z;
|
|
412
|
+
|
|
413
|
+
d.z=a2.x*b2.y-a2.y*b2.x;
|
|
414
|
+
|
|
415
|
+
|
|
416
|
+
|
|
417
|
+
return d;
|
|
418
|
+
|
|
419
|
+
}
|
|
420
|
+
|
|
421
|
+
|
|
422
|
+
|
|
423
|
+
|
|
424
|
+
|
|
11
425
|
LRESULT CALLBACK WndProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam) {
|
|
12
426
|
|
|
13
427
|
|
|
@@ -216,7 +630,17 @@
|
|
|
216
630
|
|
|
217
631
|
|
|
218
632
|
|
|
219
|
-
XYZ n=Calc
|
|
633
|
+
XYZ n=CalcCross(Pnt[i1],Pnt[i2],Pnt[i3]);
|
|
634
|
+
|
|
635
|
+
//外積を行った
|
|
636
|
+
|
|
637
|
+
|
|
638
|
+
|
|
639
|
+
Normalize(&n);
|
|
640
|
+
|
|
641
|
+
//正規化を行った
|
|
642
|
+
|
|
643
|
+
|
|
220
644
|
|
|
221
645
|
vvv[i1].x+=n.x;
|
|
222
646
|
|
|
@@ -242,7 +666,17 @@
|
|
|
242
666
|
|
|
243
667
|
|
|
244
668
|
|
|
669
|
+
|
|
670
|
+
|
|
671
|
+
}
|
|
672
|
+
|
|
673
|
+
|
|
674
|
+
|
|
675
|
+
for(int i=0;i<MAXVTX;i++)
|
|
676
|
+
|
|
677
|
+
{
|
|
678
|
+
|
|
245
|
-
|
|
679
|
+
//全ての頂点毎に、全ての面の頂点座標と比較して、
|
|
246
680
|
|
|
247
681
|
if(vvv[i].count>0)
|
|
248
682
|
|
|
@@ -260,8 +694,6 @@
|
|
|
260
694
|
|
|
261
695
|
}
|
|
262
696
|
|
|
263
|
-
|
|
264
|
-
|
|
265
697
|
//頂点ベクトルは求まった(はず...)から、頂点カラーを面にある全ての頂点で求める
|
|
266
698
|
|
|
267
699
|
|
|
@@ -286,7 +718,7 @@
|
|
|
286
718
|
|
|
287
719
|
|
|
288
720
|
|
|
289
|
-
XYZ n=Calc
|
|
721
|
+
XYZ n=CalcCross(Pnt[i1],Pnt[i2],Pnt[i3]);
|
|
290
722
|
|
|
291
723
|
|
|
292
724
|
|
|
@@ -326,10 +758,14 @@
|
|
|
326
758
|
|
|
327
759
|
|
|
328
760
|
|
|
761
|
+
|
|
762
|
+
|
|
329
763
|
ViewCos=(v1*n.x+v2*n.y+v3*n.z);
|
|
330
764
|
|
|
331
765
|
//視線ベクトルと面ごとの法線ベクトルの内積
|
|
332
766
|
|
|
767
|
+
|
|
768
|
+
|
|
333
769
|
if(ViewCos<0)
|
|
334
770
|
|
|
335
771
|
GouraudShade(Pnt2[Poly[i][0]].x,Pnt2[Poly[i][0]].y,
|
|
@@ -424,4 +860,6 @@
|
|
|
424
860
|
|
|
425
861
|
}
|
|
426
862
|
|
|
863
|
+
|
|
864
|
+
|
|
427
865
|
```
|
1
画像を貼りました。
test
CHANGED
|
@@ -2,6 +2,10 @@
|
|
|
2
2
|
|
|
3
3
|
|
|
4
4
|
|
|
5
|
+
|
|
6
|
+
|
|
7
|
+
|
|
8
|
+
|
|
5
9
|
```c/c++
|
|
6
10
|
|
|
7
11
|
LRESULT CALLBACK WndProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam) {
|