DDA
DDA algorithmunknown
actionscript
2 years ago
818 B
3
Indexable
Never
#include<GL/glut.h> #include<stdio.h> #include<stdlib.h> void draw(int x ,int y){ glBegin(GL_POINTS); glColor3f(0,1,0); glVertex2i(x,y); glEnd(); } void lineSe(){ float x0 = 50,y0= 50; float xf= 300,yf=500; int step = (abs(x0-xf)>abs(y0-yf)?abs(x0-xf):abs(y0-yf) ); float xinc = abs(x0-xf)/(step*1.00); float yinc = abs(y0-yf)/(step*1.00); for(int i=0;i<=step;i++){ draw(x0+0.5,y0+.05); x0+=xinc;y0+=yinc; } glFlush(); } void Init(){ glClearColor(1.0,1.0,1.0,0.0); glClear(GL_COLOR_BUFFER_BIT); gluOrtho2D(-640,640,-480,480); lineSe(); } int main(int argc ,char ** argv){ glutInit(&argc,argv); glutInitDisplayMode(GLUT_SINGLE ); glutInitWindowPosition(100,100); glutInitWindowSize(800,800); glutCreateWindow("DDA Line"); Init(); glutDisplayFunc(lineSe); glutMainLoop(); return 0; }