#include "light.h"

#include <GL/gl.h>
#include <GL/glu.h>

Light::Light(Vec* _pos, Vec* _dir) {
	pos = _pos;
	dir = _dir;
}

void Light::trace() {
	glBegin (GL_LINES);
	glVertex3fv(pos->getCoords());
	glVertex3fv(dir->getCoords());
	glEnd();
}

void Light::draw() {
	//printf(GL_LIGHT0);
	glLightf(GL_LIGHT0, GL_SPOT_CUTOFF, 180.0f);
	float p [4] = {pos->x(), pos->y(), pos->z(), 1.0f};
	float d [4] = {dir->x(), dir->y(), dir->z(), 1.0f};
	glLightfv(GL_LIGHT0, GL_POSITION, p);
	glLightfv(GL_LIGHT0, GL_SPOT_DIRECTION, d);
}