I want to create curves based on moving points P6 and P7. Here is what I have so far. Can someone please tell me how I can create a curve that could be used to calculate the area between two points?
hold onaxis ([-20 20 -20 20])axis offP1=[-11,0];P2=[-1,0];h{1}=plot([P1(1) P2(1)],[P1(2) P2(2)],'LineWidth',5,'Color','black'); x=5*pi/8;b=0:pi/40:x;P6vct=nan(numel(b),2)P7vct=nan(numel(b),2);for k=1:numel(b) Z=[4,0]; h{2}=viscircles(Z,5,'LineWidth',2,'LineStyle','--','Color','black'); A=[0,0]; h{3} = viscircles(A,1,'LineWidth',2,'Color','black'); PA=A+[cos(b(k)-(pi)),sin(b(k)-(pi))]; h{4}=viscircles(PA,.1,'Color','black'); B = [4-4*cos(2*asin(.25)),-4*sin(2*asin(.25))]; h{5} = viscircles(B,1,'LineWidth',2,'Color','green'); PB=B+[cos(-b(k)-(pi/2)),sin(-b(k)-(pi/2))]; h{6}=viscircles(PB,.1,'Color','green'); C = [4-4*cos(4*asin(.25)),-4*sin(4*asin(.25))]; h{7} = viscircles(C,1,'LineWidth',2,'Color','blue'); PC=C+[cos(b(k)-(pi/2)),sin(b(k)-(pi/2))]; h{8}=viscircles(PC,.1,'Color','blue'); D = [4-4*cos(6*asin(.25)),-4*sin(6*asin(.25))]; h{9} = viscircles(D,1,'LineWidth',2,'Color','red'); PD=D+[cos(-b(k)-(pi/2)),sin(-b(k)-(pi/2))]; h{10}=viscircles(PD,.1,'Color','red'); E = [4-4*cos(8*asin(.25)),-4*sin(8*asin(.25))]; h{11} = viscircles(E,1,'LineWidth',2,'Color','yellow'); PE=E+[cos(b(k)-(pi/2)),sin(b(k)-(pi/2))]; h{12}=viscircles(PE,.1,'Color','yellow'); P3=B+[cos(b(k)),sin(b(k))]; P4=C+[cos(b(k)),sin(b(k))]; P5=D+[cos(b(k)),sin(b(k))]; P6=E+[cos(b(k)-x),sin(b(k)-x)]; P7=E+[11*cos(b(k)-x),11*sin(b(k)-x)]; P6vct(k,:)=P6; P7vct(k,:)=P7; h{13} = plot([P6(1) P7(1)],[P6(2) P7(2)],'LineWidth',5,'Color','black'); %h{14}=plot(P6vct(:,1),P6vct(:,2),'LineWidth',3,'Color','black');
curve1=[P6vct(:,1),P6vct(:,2)]; curve2=[P7vct(:,1),P7vct(:,2)]; %h{15}=plot(curve2,'LineWidth',3,'Color','black');
drawnow(); pause(0.001); if k<numel(b) delete(vertcat(h{2:13})); end area(curve1) fill(curve1,curve2,'blue'); str = {'Area Swept:'}; annotation('textbox',[0.2 0.5 0.3 0.3],'String',str,'FitBoxToText','on');endhold offaxis ([-20 20 -20 20])axis off
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