/* Project the cursor's current location onto the plane specified by the normal
* vector 'normal' and a perpendicular distance 'dist' from the origin.
*/
vector
mousebase::project1( vector normal, double dist)
{
double ndc = normal.dot(cam) - dist;
double ndr = normal.dot(get_ray());
double t = -ndc / ndr;
vector v = cam + get_ray()*t;
return v;
}
void draw (void)
{
int i;
ray_t *r;
for (i = FIRST_RAY_INDEX; i <= LAST_RAY_INDEX; ++i) {
r = get_ray(i);
if (!r->dirty) {
continue;
}
draw_device (r->devices[0]);
draw_device (r->devices[1]);
draw_device (r->devices[2]);
r->dirty = 0;
}
}
void render() {
log("Begin rendering");
printf("%d %d\n", width, height);
if (width == 0 || rendered) {
return;
}
buffer = std::vector<std::vector<Color> >(width, std::vector<Color>(height));
int x, y;
#pragma omp parallel for default(shared) private(x, y) schedule(dynamic) collapse(2) num_threads(4)
for (x = 0; x < width; ++x) {
for (y = 0; y < height; ++y) {
buffer[x][y] = scene.trace_ray(get_ray(x, y));
}
}
enchance_balance();
exit(0);
smoothen();
rendered = true;
log("End rendering");
}
void draw(t_tool *t, double x, double y)
{
t_ray *ray;
double x0;
double y0;
t_color *final_color;
final_color = new_color();
x0 = x;
while (x0 <= x + 0.5)
{
y0 = y;
while (y0 <= y + 0.5)
{
ray = get_ray(t, x0, y0);
add_color(final_color, draw_suite(ray, t));
y0 += 0.5;
}
x0 += 0.5;
}
div_color(final_color, 4);
normalize_color(final_color);
pixel_put_to_image(t, x, y, final_color);
}
OSL::ShaderGlobals& ShadingPoint::get_osl_shader_globals() const
{
assert(hit());
if (!(m_members & HasOSLShaderGlobals))
{
const ShadingRay& ray(get_ray());
m_shader_globals.P = Vector3f(get_point());
m_shader_globals.dPdx = OSL::Vec3(0, 0, 0);
m_shader_globals.dPdy = OSL::Vec3(0, 0, 0);
m_shader_globals.dPdz = OSL::Vec3(0, 0, 0);
m_shader_globals.I = Vector3f(normalize(ray.m_dir));
m_shader_globals.dIdx = OSL::Vec3(0, 0, 0);
m_shader_globals.dIdy = OSL::Vec3(0, 0, 0);
m_shader_globals.N = Vector3f(get_shading_normal());
m_shader_globals.Ng = Vector3f(get_geometric_normal());
m_shader_globals.u = get_uv(0).x;
m_shader_globals.dudx = 0;
m_shader_globals.dudy = 0;
m_shader_globals.v = get_uv(0).y;
m_shader_globals.dvdx = 0;
m_shader_globals.dvdy = 0;
m_shader_globals.dPdu = Vector3f(get_dpdu(0));
m_shader_globals.dPdv = Vector3f(get_dpdv(0));
m_shader_globals.time = ray.m_time;
m_shader_globals.dtime = 0;
m_shader_globals.dPdtime = OSL::Vec3(0, 0, 0);
m_shader_globals.Ps = OSL::Vec3(0, 0, 0);
m_shader_globals.dPsdx = OSL::Vec3(0, 0, 0);
m_shader_globals.dPsdy = OSL::Vec3(0, 0, 0);
m_shader_globals.renderstate = 0;
m_shader_globals.tracedata = 0;
m_shader_globals.objdata = 0;
m_obj_transform_info.m_assembly_instance_transform =
&get_assembly_instance().cumulated_transform_sequence();
m_obj_transform_info.m_object_instance_transform =
&get_object_instance().get_transform();
m_shader_globals.object2common = reinterpret_cast<OSL::TransformationPtr>(&m_obj_transform_info);
m_shader_globals.shader2common = 0;
m_shader_globals.surfacearea = 0;
m_shader_globals.raytype = static_cast<int>(ray.m_type);
m_shader_globals.flipHandedness = 0;
m_shader_globals.backfacing = get_side() == ObjectInstance::FrontSide ? 0 : 1;
m_shader_globals.context = 0;
m_shader_globals.Ci = 0;
m_members |= HasOSLShaderGlobals;
}
else
{
// Update always the raytype, as it might have changed from the previous run.
m_shader_globals.raytype = static_cast<int>(get_ray().m_type);
}
return m_shader_globals;
}