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CLI mode curve drawing..bezier curve

Author: Pratap2018

curve_bezier.C

@@ -0,0 +1,46 @@
+#include<stdio.h>
+#include<conio.h>
+#include<graphics.h>
+#include<math.h>
+
+
+
+void bsc(int x[4],int y[4])
+{
+
+ int gd=DETECT,gm;
+ int i;
+
+ double t,xt,yt;
+ initgraph(&gd,&gm,"c:\\turboc3\\bgi");
+ for(t=0.0;t<1.0;t=t+0.00001)
+ {
+ xt=(pow(1-t,3)*x[0]+3*t*pow(1-t,2)*x[1]+3*pow(1-t,1)*pow(t,2)*x[2]+pow(t,3)*x[3]);
+ yt=(pow(1-t,3)*y[0]+3*t*pow(1-t,2)*y[1]+3*pow(1-t,1)*pow(t,2)*y[2]+pow(t,3)*y[3]);
+
+//printf("%lf %lf",xt,yt);
+ putpixel(xt,yt,WHITE);
+ }
+
+ for(i=0;i<4;i++)
+ {
+  putpixel(x[i],y[i],YELLOW);
+ }
+
+getch();
+
+}
+void main(){
+  int x[4],y[4],i;
+
+  printf("Enter 4 controll point :");
+  for(i=0;i<4;i++){
+
+  scanf("%d%d",&x[i],&y[i]);
+
+  }
+
+  bsc(x,y);
+
+
+}