1 #include <graphics.h> 2 #include <conio.h> 3 #include <time.h> 4 #include <math.h> 5 6 #define maxp 10000 7 #define end 1000.0 8 #define T 0 9 #define space 3.0 10 #define change 2.0 11 #define beginning 450.0 12 13 struct ddd{ 14 double x; 15 double y; 16 double z; 17 COLORREF color; 18 }; 19 20 ddd a[maxp],q; 21 double f; 22 int cnt = 0,get; 23 24 void print(ddd p){ 25 f = (end - p.z) / (end - q.z); 26 putpixel((p.x - q.x) * f,(p.y - q.y) * f,p.color); 27 } 28 29 double len(ddd aa,ddd bb){ 30 return sqrt((aa.x-bb.x)*(aa.x-bb.x)+(aa.y-bb.y)*(aa.y-bb.y)+(aa.z-bb.z)*(aa.z-bb.z)) - 150.0; 31 } 32 33 void lll(int xx,int yy,int zz,int xxx,int yyy,int zzz){ 34 int pp; 35 if(xx != xxx){ 36 for(pp = xx;pp <= xxx;pp += space){ 37 cnt++; 38 a[cnt].x = pp * 1.0; 39 a[cnt].y = yy * 1.0; 40 a[cnt].z = zz * 1.0; 41 } 42 return; 43 } 44 if(yy != yyy){ 45 for(pp = yy;pp <= yyy;pp += space){ 46 cnt++; 47 a[cnt].x = xx * 1.0; 48 a[cnt].y = pp * 1.0; 49 a[cnt].z = zz * 1.0; 50 } 51 return; 52 } 53 if(zz != zzz){ 54 for(pp = zz;pp <= zzz;pp += space){ 55 cnt++; 56 a[cnt].x = xx * 1.0; 57 a[cnt].y = yy * 1.0; 58 a[cnt].z = pp * 1.0; 59 } 60 return; 61 } 62 } 63 64 void main() 65 { 66 67 initgraph(1000, 1000, NOMINIMIZE); // ÕâÀïºÍ TC ÂÔÓÐÇø±ð 68 69 setorigin(500,500); 70 71 setbkcolor(WHITE); 72 73 srand(time(NULL)); 74 75 q.x = 100.0; 76 q.y = 70.0; 77 q.z = 10.0; 78 79 /* 80 for(int f = 0;f < maxp;f++){ 81 a[f].x = rand() % 100 + 50; 82 a[f].y = rand() % 100 + 20; 83 a[f].z = rand() % 100 + 200; 84 } 85 */ 86 lll(50,20,200,50,120,200); // 87 lll(50,20,200,150,20,200); // 88 lll(50,20,200,50,120,300); // 89 lll(50,20,300,50,120,300); // 90 lll(50,120,200,50,120,300); // 91 lll(50,120,200,150,120,200); // 92 lll(150,20,200,150,120,200); // 93 lll(50,120,300,150,120,300); // 94 lll(150,120,200,150,120,300); // 95 lll(50,20,300,150,20,300); 96 lll(150,20,200,150,20,300); 97 lll(150,20,300,150,120,300); 98 99 lll(0,0,0,0,0,100); 100 lll(0,0,0,0,200,0); 101 lll(0,0,0,300,0,0); 102 /* 103 for(int ii = 0;ii <= maxp;ii++){ 104 if(a[ii].x >= 145){ 105 a[ii].color = LIGHTRED; 106 } 107 if(a[ii].y >= 115){ 108 a[ii].color = LIGHTRED; 109 } 110 if(a[ii].z >= 295){ 111 a[ii].color = LIGHTRED; 112 } 113 114 if(a[ii].x <= 55){ 115 a[ii].color = LIGHTRED; 116 } 117 if(a[ii].y <= 25){ 118 a[ii].color = LIGHTRED; 119 } 120 if(a[ii].z <= 205){ 121 a[ii].color = LIGHTRED; 122 } 123 124 } 125 */ 126 127 for(int i = 0;i < cnt;i++){ 128 a[i].color = RGB(len(a[i],q) / change,len(a[i],q) / change,len(a[i],q) / change); 129 } 130 131 while(1){ 132 /* 133 for(;;){ 134 q.x += 1; 135 cleardevice(); 136 for(int k = 0;k < maxp;k++){ 137 print(a[k]); 138 } 139 Sleep(T); 140 } 141 */ 142 cleardevice(); 143 for(int k = 0;k < maxp;k++){ 144 print(a[k]); 145 } 146 Sleep(T); 147 get = getch(); 148 if(get == 0x48)q.y += 10; 149 if(get == 0x50)q.y -= 10; 150 if(get == 0x4b)q.x -= 10; 151 if(get == 0x4d)q.x += 10; 152 if(get == 0x77)q.z += 10; 153 if(get == 0x73)q.z -= 10; 154 if(get == 0x1b)return; 155 } 156 157 getch(); 158 closegraph(); 159 160 }
在easyx环境下编译。。。
键盘上下左右控制。