public GeomBuilder add_wedge(Color c,
Vector3 wedge_base,
Vector3 wedge_top,
float width,
Quaternion rot)
{
int start_verts = new_verts.Count;
float delta_y = wedge_top.y - wedge_base.y;
Vector3 midpoint = (wedge_top + wedge_base) / 2.0f;
if (midpoint != Vector3.zero)
{
wedge_base = (wedge_base - (midpoint - Vector3.zero));
wedge_top = (wedge_top - (midpoint - Vector3.zero));
}
Vector3 p3 = new Vector3(wedge_top.x, wedge_base.y, wedge_top.z);
Vector3 direction;
if (wedge_base.y > wedge_top.y)
{
direction = new Vector3(0, 1000, 0);
}
else
{
direction = new Vector3(0, -1000, 0);
}
Vector3 offset = Vector3.Cross(
((wedge_top + direction) - wedge_base),
(wedge_top - wedge_base)).normalized;
offset *= (width / 2.0f);
AddVertV3 add_vert = delegate(Vector3 v) {
new_verts.Add(rot * v + midpoint);
};
if (width != 0 || delta_y != 0)
{
add_vert(wedge_top - offset);
add_vert(wedge_base - offset);
add_vert(wedge_base + offset);
add_vert(wedge_top + offset);
add_last_verts_as_quad();
}
if (width != 0 && (p3 - wedge_base).magnitude != 0)
{
add_vert(p3 - offset);
add_vert(p3 + offset);
add_vert(wedge_base + offset);
add_vert(wedge_base - offset);
add_last_verts_as_quad();
}
if (width != 0 && delta_y != 0.0)
{
add_vert(wedge_top - offset);
add_vert(wedge_top + offset);
add_vert(p3 + offset);
add_vert(p3 - offset);
add_last_verts_as_quad();
}
if (delta_y != 0 && (p3 - wedge_base).magnitude != 0)
{
add_vert(p3 - offset);
add_vert(wedge_base - offset);
add_vert(wedge_top - offset);
add_last_verts_as_tri();
add_vert(wedge_top + offset);
add_vert(wedge_base + offset);
add_vert(p3 + offset);
add_last_verts_as_tri();
}
int end_verts = new_verts.Count;
add_vert_colors(c, start_verts, end_verts);
return(this);
}
public GeomBuilder add_dome(Color c,
Vector3 center,
float radius,
int samples,
int planes,
Quaternion rot)
{
int start_verts = new_verts.Count;
float two_pi = Mathf.PI * 2;
float half_pi = Mathf.PI / 2;
var azimuths = (from x in Enumerable.Range(0, samples + 1)
select(two_pi * x) / samples).ToList <float>();
var elevations = (from x in Enumerable.Range(0, planes)
select(half_pi * x) / (planes - 1)).ToList <float>();
AddVertV3 add_vert = delegate(Vector3 v) {
new_verts.Add(rot * v + center);
};
foreach (int i in Enumerable.Range(0, elevations.Count() - 2))
{
foreach (int j in Enumerable.Range(0, azimuths.Count() - 1))
{
Vector3 p1 = to_cartesian(azimuths.ElementAt(j),
elevations.ElementAt(i), radius);
Vector3 p2 = to_cartesian(azimuths.ElementAt(j),
elevations.ElementAt(i + 1), radius);
Vector3 p3 = to_cartesian(azimuths.ElementAt(j + 1),
elevations.ElementAt(i + 1), radius);
Vector3 p4 = to_cartesian(azimuths.ElementAt(j + 1),
elevations.ElementAt(i), radius);
add_vert(p1);
add_vert(p2);
add_vert(p3);
add_vert(p4);
add_last_verts_as_quad();
}
}
foreach (int k in Enumerable.Range(0, azimuths.Count() - 1))
{
Vector3 p1 = to_cartesian(azimuths.ElementAt(k),
elevations.ElementAt(elevations.Count() - 2), radius);
Vector3 p2 = new Vector3(0, radius, 0);
Vector3 p3 = to_cartesian(azimuths.ElementAt(k + 1),
elevations.ElementAt(elevations.Count() - 2), radius);
add_vert(p1);
add_vert(p2);
add_vert(p3);
add_last_verts_as_tri();
}
int end_verts = new_verts.Count;
add_vert_colors(c, start_verts, end_verts);
return(this);
}
public GeomBuilder add_ramp(Color c,
Vector3 ramp_base,
Vector3 ramp_top,
float width,
float thickness,
Quaternion rot)
{
int start_verts = new_verts.Count;
Vector3 midpoint = (ramp_top + ramp_base) / 2.0f;
if (midpoint != Vector3.zero)
{
ramp_base = (ramp_base - (midpoint - Vector3.zero));
ramp_top = (ramp_top - (midpoint - Vector3.zero));
}
Vector3 p3 = new Vector3(ramp_top.x,
ramp_top.y - thickness, ramp_top.z);
Vector3 p4 = new Vector3(ramp_base.x,
ramp_base.y - thickness, ramp_base.z);
Vector3 offset = Vector3.Cross(
((ramp_top + new Vector3(0, -1000, 0)) - ramp_base),
(ramp_top - ramp_base)).normalized;
offset *= (width / 2.0f);
AddVertV3 add_vert = delegate(Vector3 v) {
new_verts.Add(rot * v + midpoint);
};
if (width != 0 && (p3 - ramp_base).magnitude != 0)
{
add_vert(ramp_top - offset);
add_vert(ramp_base - offset);
add_vert(ramp_base + offset);
add_vert(ramp_top + offset);
add_last_verts_as_quad();
add_vert(p4 + offset);
add_vert(p4 - offset);
add_vert(p3 - offset);
add_vert(p3 + offset);
add_last_verts_as_quad();
}
if (width != 0 && thickness != 0)
{
add_vert(ramp_top - offset);
add_vert(ramp_top + offset);
add_vert(p3 + offset);
add_vert(p3 - offset);
add_last_verts_as_quad();
add_vert(p4 - offset);
add_vert(p4 + offset);
add_vert(ramp_base + offset);
add_vert(ramp_base - offset);
add_last_verts_as_quad();
}
if (thickness != 0 && (p3 - ramp_base).magnitude != 0)
{
add_vert(ramp_top - offset);
add_vert(p3 - offset);
add_vert(p4 - offset);
add_vert(ramp_base - offset);
add_last_verts_as_quad();
add_vert(p4 + offset);
add_vert(p3 + offset);
add_vert(ramp_top + offset);
add_vert(ramp_base + offset);
add_last_verts_as_quad();
}
int end_verts = new_verts.Count;
add_vert_colors(c, start_verts, end_verts);
return(this);
}
