Ejemplos de TurnVector en C++ (Cpp)

Ejemplo n.º 1

Archivo: gl_rmain.c Proyecto: chronokun/vkQuake

/*
===============
R_SetFrustum -- johnfitz -- rewritten
===============
*/
void R_SetFrustum (float fovx, float fovy)
{
	int		i;

	TurnVector(frustum[0].normal, vpn, vright, fovx/2 - 90); //left plane
	TurnVector(frustum[1].normal, vpn, vright, 90 - fovx/2); //right plane
	TurnVector(frustum[2].normal, vpn, vup, 90 - fovy/2); //bottom plane
	TurnVector(frustum[3].normal, vpn, vup, fovy/2 - 90); //top plane

	for (i=0 ; i<4 ; i++)
	{
		frustum[i].type = PLANE_ANYZ;
		frustum[i].dist = DotProduct (r_origin, frustum[i].normal); //FIXME: shouldn't this always be zero?
		frustum[i].signbits = SignbitsForPlane (&frustum[i]);
	}
}

Ejemplo n.º 2

Archivo: EngineVideoLegacy.c Proyecto: ExperimentationBox/Edenite

void R_SetFrustum (float fovx, float fovy)
{
	int		i;

	if (r_stereo.value)
		fovx += 10; //silly hack so that polygons don't drop out becuase of stereo skew

	TurnVector(frustum[0].normal, vpn, vright, fovx/2 - 90); //left plane
	TurnVector(frustum[1].normal, vpn, vright, 90 - fovx/2); //right plane
	TurnVector(frustum[2].normal, vpn, vup, 90 - fovy/2); //bottom plane
	TurnVector(frustum[3].normal, vpn, vup, fovy/2 - 90); //top plane

	for (i=0 ; i<4 ; i++)
	{
		frustum[i].type = PLANE_ANYZ;
		frustum[i].dist = Math_DotProduct(r_origin, frustum[i].normal); //FIXME: shouldn't this always be zero?
		frustum[i].signbits = SignbitsForPlane (&frustum[i]);
	}
}