void draw_billboard_solid( cml::vector3f position, float size, float u1, float v1, float u2, float v2, float lum, int rot ) {
	size *= 0.5;
	cml::vector3f vertices[4];
	u1 += 0.001;
	u2 -= 0.001;
	v1 += 0.001;
	v2 -= 0.001;

	float c, s;

	c =tablecos(rot);
	s =tablesin(rot);

	float x1 = c * -size - s * size;
	float y1 = s * -size + c * size;

	float x2 = c * -size - s * -size;
	float y2 = s * -size + c * -size;

	float x3 = c * size - s * -size;
	float y3 = s * size + c * -size;

	float x4 = c * size - s * size;
	float y4 = s * size + c * size;

	x1 = -size;
	y1 = size;
	x2=-size;
	y2=-size;
	x3=size;
	y3=-size;
	x4=size;
	y4=size;

	vertices[0] = position + (x1 * viewplane_h) + (y1 * viewplane_v);
	vertices[1] = position + (x2 * viewplane_h) + (y2 * viewplane_v);
	vertices[2] = position + (x3 * viewplane_h) + (y3 * viewplane_v);
	vertices[3] = position + (x4 * viewplane_h) + (y4 * viewplane_v);



	add_vertex( vertices[0][0], vertices[0][1], vertices[0][2], u1, v1, lum,false );
	add_vertex( vertices[1][0], vertices[1][1], vertices[1][2], u1, v2, lum,false );
	add_vertex( vertices[2][0], vertices[2][1], vertices[2][2], u2, v2, lum,false );

	add_vertex( vertices[2][0], vertices[2][1], vertices[2][2], u2, v2, lum,false );
	add_vertex( vertices[3][0], vertices[3][1], vertices[3][2], u2, v1, lum,false );
	add_vertex( vertices[0][0], vertices[0][1], vertices[0][2], u1, v1, lum,false );
}