delete mesh;
}
+void Gear::set_angular_offset(float offs)
+{
+ init_angle = offs;
+ xform_valid = false;
+}
+
+float Gear::get_angular_offset() const
+{
+ return init_angle;
+}
+
void Gear::set_teeth(int nt, float tooth_pitch)
{
float circ = tooth_pitch * nt;
Gear();
~Gear();
+ void set_angular_offset(float offs);
+ float get_angular_offset() const;
+
// sets the supplied number of teeth, and calculates the radius
// of the gear, to achieve the required tooth pitch
void set_teeth(int nt, float tooth_pitch);
// fix the initial angles so that teeth mesh as best as possible
// should work in one pass as long as the gear train is not impossible
for(int i=0; i<ngears; i++) {
- gears[i]->init_angle = 0;
+ float rnd = gears[i]->angle + gears[i]->get_angular_pitch() / 2.0;
+ float snap = rnd - fmod(rnd, gears[i]->get_angular_pitch());
+ gears[i]->set_angle(snap);
+ gears[i]->set_angular_offset(0);
}
for(int i=0; i<ngears; i++) {
- for(int j=1; j<ngears; j++) {
+ for(int j=i; j<ngears; j++) {
if(meshing[i][j]) {
assert(i != j);
float delta = frac_j - frac_i;
float correction = 0.5 - delta;
- gears[j]->init_angle += correction * gears[j]->get_angular_pitch();
+ float prev_offs = gears[j]->get_angular_offset();
+ gears[j]->set_angular_offset(prev_offs + correction * gears[j]->get_angular_pitch());
}
}
}
-
- /*
- for(int i=0; i<ngears; i++) {
- printf("init %d: %f\n", i, gears[i]->init_angle);
- }
- */
}
void Machine::update_gear(int idx, float angle)