Add to Favorites    Make Home Page 429 Online  
 Language Categories  
 Our Services  

Home » C++ Home » Computer Graphics Home » roatation of triangle


Search Projects & Source Codes:

Title roatation of triangle
Author NKS
Author Email niket_shah83 [at]
Category C++ » Computer Graphics
Hits 401717
Code Select and Copy the Code
#include<stdio.h> #include<iostream.h> #include<dos.h> #include<process.h> #include<conio.h> #include<graphics.h> #include<math.h> //void render(float,float,float, float,float,float, float,float,float,float,float,float); void initialize(void); void firstpage(void); void call_first(void); float intensity,alpha,thita,tempy,tempz,tempx; char ch='4'; char ch1='1'; char ch2='1'; int pts1[5][3]; float tx,ty,tz,d=.5; void assign(float,float,float,float,float,float,float,float,float); void scan_line(float,float,float,float,float,float,float,float,float); void drawpyramid(float,float,float,float,float,float); void call_assign(void); void display(void); void tranform(void); void draw(void); void drawscale(void); float pts[5][3]={-100,0,0, 0,0,45, 100,0,0, 0,0,-45, 0,130,0}; float pts2[5][3]={228,273,0, 305,295,0, 428,273,0, 350,250,0 ,328,143,0}; float pt[5][3]={-100,0,0, 0,0,45,100,0,0,0,0-45,0,130,0}; void main() { int i; float sx,sy,sz=1; struct palettetype pal; int gd,gm; detectgraph(&gd,&gm); initgraph(&gd,&gm,"c:\tc\bgi"); getpalette(&pal); firstpage(); for(i=16;i>0;i--) setrgbpalette(pal.colors[i],0,4*i,0); L1: display(); while(ch1!='4') { ch='2'; L2: call_assign(); clearviewport(); gotoxy(1,2); cout<<"1. Translation"; cout<<"2. Rotation"; cout<<"3. Scaling "; cout<<"4. Back "; ch1=getch(); if(ch1=='4') { clearviewport(); goto L1; } if(ch1=='1') { clearviewport(); while(ch1!='4') { gotoxy(2,2); cout<<"a. X+"; cout<<" b. X-"; cout<<" c. Y+"; cout<<" d. Y- "; cout<<" e. Z+"; cout<<" f. Z-"; cout<<" g. Back"; call_assign(); ch1=getch(); clearviewport(); if(ch1=='g') goto L2; if(ch1=='a') tx=5; if(ch1=='b') tx=-5; if(ch1=='c') ty=5; if(ch1=='d') ty=-5; if(ch1=='e') tz=10; if(ch1=='f') tz=-10; for(i=0;i<5;i++) { pts[i][0]+=tx; pts[i][1]+=ty; pts[i][1]+=tz; } } } if(ch1=='3') { clearviewport(); cout<<"Enter sx:"; cin>>sx; cout<<"Enter sy:"; cin>>sy; for(i=0;i<5;i++) { pts2[i][0]=abs(pts2[i][0]*sx+200*(1-sx)); pts2[i][1]=abs(pts2[i][1]*sy+200*(1-sy)); } drawscale(); getch(); } if(ch1=='2') { while(ch2!='4') { clearviewport(); gotoxy(1,2); cout<<"1.X-axis rotation"; gotoxy(1,3); cout<<"2.Y-axis rotation"; gotoxy(1,4); cout<<"3.Z-axis rotation"; gotoxy(1,5); cout<<"4.Back"; ch2=getch(); if(ch2=='4') break; if(ch2=='1') { alpha=0; while(alpha<360) { alpha=alpha+10; thita=(alpha*3.142)/180; initialize(); for(i=0;i<5;i++) { tempy=(pts1[i][1]*cos(thita)+pts1[i][2]*sin(thita)); pts1[i][2]=(pts1[i][1]*sin(thita)-pts1[i][2]*cos(thita)); pts1[i][1]=tempy; } clearviewport(); draw(); delay(100); } } if(ch2=='2') { alpha=0; while(alpha<360) { alpha=alpha+10; thita=(alpha*3.142)/180; initialize(); for(i=0;i<5;i++) { tempz=(pts1[i][2]*cos(thita)+pts1[i][0]*sin(thita)); pts1[i][0]=(pts1[i][2]*sin(thita)-pts1[i][0]*cos(thita)); pts1[i][2]=tempz; } clearviewport(); draw(); delay(100); } } if(ch2=='3') { alpha=0; while(alpha<360) { alpha=alpha+10; thita=(alpha*3.142)/180; initialize(); for(i=0;i<5;i++) { tempx=(pts1[i][0]*cos(thita)-pts1[i][1]*sin(thita)); pts1[i][1]=(pts1[i][0]*sin(thita)+pts1[i][1]*cos(thita)); pts1[i][0]=tempx; } clearviewport(); draw(); delay(100); clearviewport(); draw(); } } } } } closegraph(); restorecrtmode(); } void initialize() { pts1[0][0]=-100; pts1[0][1]=-65; pts1[0][2]=0; pts1[1][0]=0; pts1[1][1]=-65; pts1[1][2]=-45; pts1[2][0]=100; pts1[2][1]=-65; pts1[2][2]=0; pts1[3][0]=0; pts1[3][1]=-65; pts1[3][2]=45; pts1[4][0]=0; pts1[4][1]=65; pts1[4][2]=0; } void firstpage() { clearviewport(); setcolor(WHITE); settextstyle(2,HORIZ_DIR,5); outtextxy(250,15,"A Project on"); setcolor(GREEN); settextstyle(3,HORIZ_DIR,4); outtextxy(170,25,"PYRAMID MODELING"); rectangle(300,120,580,320); rectangle(295,115,585,325); setcolor(6); settextstyle(4,HORIZ_DIR,3); outtextxy(50,100, "OPTIONS"); settextstyle(3,HORIZ_DIR,1); setcolor(11); outtextxy(20,150,"1. VISIBLE SURFACE DETECTION"); outtextxy(20,190,"2. SURFACE RENDERING"); outtextxy(20,230,"3. TRANSFORMATIONS"); outtextxy(20,270,"4. WIREFRAME DISPLAY"); outtextxy(20,310,"5. EXIT"); settextstyle(2,HORIZ_DIR,4); outtextxy(400,370,"Group Memebers"); setcolor(YELLOW); outtextxy(410,385,"Made By Niket Shah"); call_first(); //display(); setcolor(WHITE); getch(); cleardevice(); clearviewport(); } void display(void) { while(ch!='3') { clearviewport(); gotoxy(2,2); cout<<"1. Visible Surface Detection "; gotoxy(2,3); cout<<"2. Surface Rendering"; gotoxy(2,4); cout<<"3. Transformations"; gotoxy(2,5); cout<<"4. Wireframe Display"; gotoxy(2,6); cout<<"5. Exit "; call_assign(); ch=getch(); if(ch=='5') exit(0); clearviewport(); if(ch=='3') break; } } void call_assign(void) { assign(pts[0][0],pts[0][1],pts[0][2],pts[1][0],pts[1][1],pts[1][2],pts[4][ 0],pts[4][1],pts[4][2]); assign(pts[1][0],pts[1][1],pts[1][2],pts[2][0],pts[2][1],pts[2][2],pts[4][ 0],pts[4][1],pts[4][2]); assign(pts[2][0],pts[2][1],pts[2][2],pts[3][0],pts[3][1],pts[3][2],pts[4][ 0],pts[4][1],pts[4][2]); assign(pts[0][0],pts[0][1],pts[0][2],pts[4][0],pts[4][1],pts[4][2],pts[3][ 0],pts[3][1],pts[3][2]); } void call_first(void) { assign(pt[0][0],pt[0][1],pt[0][2],pt[1][0],pt[1][1],pt[1][2],pt[4][0],pt[4 ][1],pt[4][2]); assign(pt[1][0],pt[1][1],pt[1][2],pt[2][0],pt[2][1],pt[2][2],pt[4][0],pt[4 ][1],pt[4][2]); assign(pt[2][0],pt[2][1],pt[2][2],pt[3][0],pt[3][1],pt[3][2],pt[4][0],pt[4 ][1],pt[4][2]); assign(pt[0][0],pt[0][1],pt[0][2],pt[4][0],pt[4][1],pt[4][2],pt[3][0],pt[3 ][1],pt[3][2]); } void drawpyramid(float x1,float y1,float x2,float y2,float x3,float y3) { line(x1,y1,x2,y2); line(x2,y2,x3,y3); line(x3,y3,x1,y1); } void assign(float x1,float y1,float z1,float x2,float y2,float z2,float x3,float y3,float z3) { float A,B,C; float temp,An,Bn,Cn,X,Y,Z; float Xl=-6,Yl=10,Zl=50; float templ; A=y1*(z2-z3)+y2*(z3-z1)+y3*(z1-z2); B=z1*(x2-x3)+z2*(x3-x1)+z3*(x1-x2); C=x1*(y2-y3)+x2*(y3-y1)+x3*(y1-y2); temp=sqrt(A*A+B*B+C*C); templ=sqrt(Xl*Xl+Yl*Yl+Zl*Zl); X=(float)Xl/templ; Y=(float)Yl/templ; Z=(float)Zl/templ; An=(A/temp); Bn=(float)B/temp; Cn=(float)C/temp; intensity=15*(An*X+Bn*Y+Cn*Z); if (intensity<0) intensity=0; if (intensity>15) intensity=15; z1=55-z1; x1=x1+300+(d*z1); y1=300-y1-(d*z1); z2=55-z2; x2=x2+300+(d*z2); y2=300-y2-(d*z2); z3=55-z3; x3=x3+300+(d*z3); y3=300-y3-(d*z3); if(ch=='1') { if(intensity==0) return; drawpyramid(x1,y1,x2,y2,x3,y3); return; } if(ch=='3') exit(0); if(ch=='4') drawpyramid(x1,y1,x2,y2,x3,y3); if(ch=='2') { if(intensity==0) return; if ((y1>y2) && (y1>y3) && (y2>y3)) scan_line(x1,y1,z1,x2,y2,z2,x3,y3,z3); if ((y1>y2) && (y1>y3) && (y3>y2)) scan_line(x1,y1,z1,x3,y3,z3,x2,y2,z2); if ((y2>y1) && (y2>y3) && (y1>y3)) scan_line(x2,y2,z2,x1,y1,z1,x3,y3,z3); if ((y2>y1) && (y2>y3) && (y3>y1)) scan_line(x2,y2,z2,x3,y3,z3,x1,y1,z1); if ((y3>y1) && (y3>y2) && (y1>y2)) scan_line(x3,y3,z3,x1,y1,z1,x2,y2,z2); if ((y3>y1) && (y3>y2) && (y2>y1)) scan_line(x3,y3,z3,x2,y2,z2,x1,y1,z1); } } void scan_line(float x1,float y1,float z1,float x2,float y2,float z2,float x3,float y3,float z3) { int i; float tempx,tempx1,tempy; float m1,m2,thita,alpha; alpha=0; tempx=x1; tempx1=x1; tempy=y1; m1=(y2-y1)/(x2-x1); m2=(y3-y1)/(x3-x1); while((int)tempy!=(int)y2) { alpha=alpha+5; thita=(alpha*3.14/180); tempx=tempx-1/m1; tempx1=tempx1-1/m2; if(tempx<tempx1) { for(i=0;i+tempx<=tempx1;i++) { putpixel(tempx+i,tempy,intensity); } } else if (tempx1<tempx) { for(i=0;i+tempx1<=tempx;i++) { putpixel(tempx1+i,tempy,intensity); } } tempy--; } m1=(float)(y3-y2)/(x3-x2); while((int)tempy!=(int)y3) { tempx=tempx-1/m1; tempx1=tempx1-1/m2; if(tempx<tempx1) { for(i=0;i+tempx<=tempx1;i++) putpixel(tempx+i,tempy,intensity); } else { for(i=0;i+tempx1<=tempx;i++) putpixel(tempx1+i,tempy,intensity); } tempy--; } } void draw() { int i; for(i=0;i<5;i++) { pts1[i][2]=50+pts1[i][2]+50; pts1[i][0]=pts1[i][0]+300+.5*pts1[i][2]; pts1[i][1]=200+65-pts1[i][1]-.5*pts1[i][2]; } line(pts1[0][0],pts1[0][1],pts1[1][0],pts1[1][1]); line(pts1[1][0],pts1[1][1],pts1[2][0],pts1[2][1]); line(pts1[2][0],pts1[2][1],pts1[3][0],pts1[3][1]); line(pts1[3][0],pts1[3][1],pts1[0][0],pts1[0][1]); line(pts1[0][0],pts1[0][1],pts1[4][0],pts1[4][1]); line(pts1[1][0],pts1[1][1],pts1[4][0],pts1[4][1]); line(pts1[2][0],pts1[2][1],pts1[4][0],pts1[4][1]); line(pts1[3][0],pts1[3][1],pts1[4][0],pts1[4][1]); } void drawscale() { line(pts2[0][0],pts2[0][1],pts2[1][0],pts2[1][1]); line(pts2[1][0],pts2[1][1],pts2[2][0],pts2[2][1]); line(pts2[2][0],pts2[2][1],pts2[3][0],pts2[3][1]); line(pts2[3][0],pts2[3][1],pts2[0][0],pts2[0][1]); line(pts2[0][0],pts2[0][1],pts2[4][0],pts2[4][1]); line(pts2[1][0],pts2[1][1],pts2[4][0],pts2[4][1]); line(pts2[2][0],pts2[2][1],pts2[4][0],pts2[4][1]); line(pts2[3][0],pts2[3][1],pts2[4][0],pts2[4][1]); }

Related Source Codes

Script Name Author
Moving ball screen saver karlmarx
The Classic Game of Snake & Ladder Lakshmi Narayana .A
Railway seat reservation question which comes in sapient VyomWorld
To calculate percentile Ravi Mathur
Send to folder ANIMESH SAHU
Analog clock and calendar Nazia & Rida
Data structure (stack Implimentation) Swapnil B Adsure
Memory Game AnirudhSanyal
Easy Calc Anirudh Sanyal
GK Quiz Anirudh Sanyal
Hangman Game Manish Jain
Snakeman Manish Jain
Full month Calendar Nigi
Cursor shapes nigi


Google Groups Subscribe to SourceCodesWorld - Techies Talk

Free eBook - Interview Questions: Get over 1,000 Interview Questions in an eBook for free when you join JobsAssist. Just click on the button below to join JobsAssist and you will immediately receive the Free eBook with thousands of Interview Questions in an ebook when you join.

New! Click here to Add your Code!

ASP Home | C Home | C++ Home | COBOL Home | Java Home | Pascal Home
Source Codes Home Page


Google Search


Source Codes is a part of Vyom Network.

Vyom Network : Web Hosting | Dedicated Server | Free SMS, GRE, GMAT, MBA | Online Exams | Freshers Jobs | Software Downloads | Interview Questions | Jobs, Discussions | Placement Papers | Free eBooks | Free eBooks | Free Business Info | Interview Questions | Free Tutorials | Arabic, French, German | IAS Preparation | Jokes, Songs, Fun | Free Classifieds | Free Recipes | Free Downloads | Bangalore Info | Tech Solutions | Project Outsourcing, Web Hosting | GATE Preparation | MBA Preparation | SAP Info | Software Testing | Google Logo Maker | Freshers Jobs

Sitemap | Privacy Policy | Terms and Conditions | Important Websites
Copyright ©2003-2024, All Rights Reserved.
Page URL:

Download Yahoo Messenger | Placement Papers | Free SMS | C Interview Questions | C++ Interview Questions | Quick2Host Review