// Runs once per render loop; where we provide input to shaders
void AssignShaderInputs ()
{ Vect viewloc = Feld () -> Camera () -> ViewLoc ();
SetShaderUniform ("fog_radius", GLOBE_RADIUS);
SetShaderUniform ("system_distance", Loc () . DistFrom (viewloc));
SetShaderUniform ("feld_size", Diag (Feld ()));
SetShaderUniform ("camera_position", viewloc);
}
void Blurt (BlurtEvent *e)
{ int64 translation_amount = 40;
if (Utters (e, "w"))
{ IncTranslation (translation_amount * 2.0 * Feld () -> Norm ()); }
else if (Utters (e, "s"))
{ IncTranslation (-translation_amount * 2.0 * Feld () -> Norm ()); }
}
void PointingMove (PointingEvent *e)
{ // Drag the object
if (IsHeeding (e))
{ IncRotation (WrangleRay (Feld () -> Up ()),
IntersectionDiff (e, Loc ()) . x / 200);
IncRotation (WrangleRay (Feld () -> Over ()),
- IntersectionDiff (e, Loc ()) . y / 200);
}
}
void DrawSelf ()
{ // draw line
SetGLColor (Color (1, 1, 1));
glLineWidth(2.0);
glBegin (GL_LINES);
glVertex (Vect (0, 0, 0));
glVertex (vertex);
glEnd ();
// draw bar (DrawQuad draws from the bottom left corner)
DrawQuad (Vect (-Feld () -> Width () / 2, Feld () -> Height () / 2 - h, 0), Vect (m, 0, 0), Vect (0, h, 0));
}
void UpdateLabel (PointingEvent *e, Str text, Vect loc)
{ // We want one label per event source (mouse pointer,
// wiimote, etc.) Ensure this source has a label.
Text *label = labels . Get (e -> Provenance ());
if (! label)
{ label = new Text ("");
label -> SetObliviousness (true);
label -> SetFontSize (Feld () -> Width () / 100.0);
labels . Put (e -> Provenance (), label);
}
label -> SetString (text);
label -> SetTranslation (loc
+ ((2.0 + label -> Width () / 2.0)
* Feld () -> Over ())
+ 10.0 * Feld () -> Norm ());
}
void Setup ()
{ Brain *brain = new Brain ("data/brain.txt");
brain -> LoadShaders ("shaders/brain.vert", "shaders/brain.frag");
Vect center = brain -> Center ();
brain -> SetTranslation (Feld () -> Loc () -
Vect(center.x, center.y, 1000.0));
brain -> RotationAnimateSine (center + Vect (0, 1, 0), 180.0, 10.0);
}
Mover () : Sketch ()
{ width = 8.0;
velocity = Vect (0, 0, 0);
top_speed = 3.0;
// store feld dimenions and orientation
SpaceFeld *f = Feld ();
loc = f -> Loc ();
over = f -> Over ();
up = f -> Up ();
norm = f -> Norm ();
wid = f -> Width ();
hei = f -> Height ();
SlapOnFeld ();
// draw
SetStroked (false);
SetFillColor (Color (1, 1, 1));
DrawEllipse (Vect (0, 0, 0), width, width);
}
void FingerMove (PointingEvent *e)
{ IncRotation (WrangleRay (Feld () -> Up ()),
(e -> PhysOrigin () . x - e -> PrevOrigin () . x) / 250);
IncRotation (WrangleRay (Feld () -> Over ()),
-(e -> PhysOrigin () . y - e -> PrevOrigin () . y) / 250);
}
