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FPS

Started by manutd Aug 26, 2000 at 5:24 AM 2 replies 350+ views

Original Post

Aug 26, 2000 at 5:24 AM

Hey, I would like to do a FPS for learning basis. Is it possible to use glulookat for this, or is it better to rotate and translate or use matrices ?? Thanks for any replys in advance -Jamie

zedzeek

Aug 26, 2000 at 6:02 AM

yep its possible , in fact most fps''s use this or a clone of this eg quake

manutd

Aug 26, 2000 at 11:44 PM

When I use glulookat the scene doesn''t work properly like when I use gltranslatef and glrotatef

here is my current line of code:

    

	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);	// Clear Screen And Depth Buffer


        glPushMatrix();
			GLfloat xtran = -xpos;
			GLfloat ztran = -zpos;
			GLfloat yrot = 360.0f - ang;
			gluLookAt(xpos,-1,zpos,xpos,0,zpos,0,1,0);
			//glTranslatef(xpos,0,ztran);	//I only use ztran and not ztran and xtran

											//because it doesn''t work if i do

			glRotatef(ang,0,1,0);
			glBindTexture(GL_TEXTURE_2D, texture[0]);
 // Then the cube

-Jamie

zedzeek

Aug 27, 2000 at 2:46 AM

gluLookAt(xpos,-1,zpos,xpos,0,zpos,0,1,0);
the first 3 are the position of the camera
the second three are where the cameras looking to
here you''re just looking straight up in the air
i expect u wanna do someit like
gluLookAt(xpos,-1,zpos,xpos+xdirection,-1+ydirection,zpos+zdirection,0,1,0);

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