how to draw a plane

Programming Questions

bluurryy

in Programming Questions • 3 years ago

I've got my own 3d-space without using P3D or something like that..

woudl like to program a plane. what's the easiest way?

--> take three points? and make a triangle in the space?

--> take four points? and make a rect in the space?

and make it transparent?

--> the shown "size" depends on what the user typed in.

Replies(2)

cedrickie..

i have no idea how your 3d space without 3d looks like.
but what about using rect() for drawing a plane ?

or

beginShape();
vertex(x1,y1);
vertex(x2,y2);
vertex(x3,y3);
vertex(x4,y4);
endShape(CLOSE)

bluurryy

Re: Re: how to draw a plane

3 years ago

yes.. but I didn't think of the method but of the points..

if I have an equation of the coordinates:

A*x+B*y+C*z+D=0

so if I want to draw a plane that is about 100 pixels long, how should I take the points?

P1(100,100,(-D-A*100-B*100)/C)

or how should I draw it, when I want to draw it with a rect.. I don't know which points to take...

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