static void DrawArc(PanoramicCamera src, Vector3 normal, float positionInOtherDimension, float radius)
{
if (normal == Vector3.up)
{
//var from = new Vector3(Mathf.Sin(-(src.horizontalFieldOfView / 2f * Mathf.Deg2Rad)), 0, Mathf.Cos(-(src.horizontalFieldOfView / 2f * Mathf.Deg2Rad)));
var from = new Vector3(0,
Mathf.Sin((src.verticalFieldOfView * positionInOtherDimension * Mathf.Deg2Rad)),
Mathf.Cos(-(src.verticalFieldOfView * positionInOtherDimension * Mathf.Deg2Rad)));;
from = Quaternion.Euler(0, -src.horizontalFieldOfView * .5f, 0) * from;
Handles.DrawWireArc(src.transform.position,
src.transform.rotation * normal,
src.transform.rotation * from,
src.horizontalFieldOfView,
radius);
}
else
{
var from = new Vector3(0, Mathf.Sin(-(src.verticalFieldOfView / 2f * Mathf.Deg2Rad)), Mathf.Cos(-(src.verticalFieldOfView / 2f * Mathf.Deg2Rad)));
Handles.DrawWireArc(src.transform.position,
src.transform.rotation * Quaternion.Euler(0, src.horizontalFieldOfView * positionInOtherDimension, 0) * normal,
src.transform.rotation * Quaternion.Euler(0, src.horizontalFieldOfView * positionInOtherDimension, 0) * from,
src.verticalFieldOfView,
radius);
}
}
static void DrawLine(PanoramicCamera src, Vector2 angles)
{
var p = new Vector3(0, Mathf.Sin(-(src.verticalFieldOfView * angles.y * Mathf.Deg2Rad)), Mathf.Cos(-(src.verticalFieldOfView * angles.y * Mathf.Deg2Rad)));;
p = Quaternion.Euler(0, -src.horizontalFieldOfView * angles.x, 0) * p;
Handles.DrawLine(
src.transform.TransformPoint(p * src.farClipPlane),
src.transform.TransformPoint(p * src.nearClipPlane));
}
static void RenderSelected(PanoramicCamera src, GizmoType gizmoType)
{
Handles.color = Color.gray;
DrawDoubleArc(src, Vector3.up, 0f);
DrawDoubleArc(src, Vector3.left, 0f);
for (float i = 0.5f; i > 0f; i -= .25f)
{
DrawQuadrupleArc(src, Vector3.left, i);
DrawQuadrupleArc(src, Vector3.up, i);
}
DrawLine(src, new Vector2(.5f, .5f));
DrawLine(src, new Vector2(.5f, -.5f));
DrawLine(src, new Vector2(-.5f, -.5f));
DrawLine(src, new Vector2(-.5f, .5f));
}
static void DrawDoubleArc(PanoramicCamera src, Vector3 normal, float positionInOtherDimension)
{
DrawArc(src, normal, positionInOtherDimension, src.nearClipPlane);
DrawArc(src, normal, positionInOtherDimension, src.farClipPlane);
}
static void DrawQuadrupleArc(PanoramicCamera src, Vector3 normal, float positionInOtherDimension)
{
DrawDoubleArc(src, normal, positionInOtherDimension);
DrawDoubleArc(src, normal, -positionInOtherDimension);
}