1.1 --- a/prototype/src/light.cc	Tue Oct 23 14:57:08 2012 +0300
     1.2 +++ b/prototype/src/light.cc	Fri Oct 26 03:03:52 2012 +0300
     1.3 @@ -5,6 +5,7 @@
     1.4  #include "timer.h"
     1.5  
     1.6  unsigned int PointLight::sph_vbo = 0;
     1.7 +int PointLight::subdiv = 8;
     1.8  
     1.9  Light::Light(const Color &col)
    1.10  	: color(col)
    1.11 @@ -137,7 +138,11 @@
    1.12  	glMatrixMode(GL_MODELVIEW);
    1.13  	glPushMatrix();
    1.14  	glTranslatef(pos.x, pos.y, pos.z);
    1.15 -	glScalef(radius, radius, radius);
    1.16 +
    1.17 +	// scale by the hypotenuse of the triangle with adjacent side: radius
    1.18 +	// and angle M_PI / subdiv
    1.19 +	float s = radius / cos(M_PI / subdiv);
    1.20 +	glScalef(s, s, s);
    1.21  
    1.22  	Light::draw();
    1.23  
    1.24 @@ -168,8 +173,8 @@
    1.25  
    1.26  	printf("building sphere mesh for point light drawing\n");
    1.27  
    1.28 -	const static int udiv = 8;
    1.29 -	const static int vdiv = 4;
    1.30 +	const static int udiv = subdiv;
    1.31 +	const static int vdiv = udiv / 2;
    1.32  
    1.33  	int nquads = udiv * vdiv;
    1.34  	num_faces = nquads * 2;