/// <summary>
/// Create a viewport: view at scene from top, no rotation
/// </summary>
public ILCamera()
{
m_posX = 0;
m_posY = 0;
m_posZ = 10;
m_quadrant = CameraQuadrant.TopLeftFront;
updateCachedVars();
}
///// <summary>
///// update position, cons. polar coord and lookat as new
///// </summary>
//private void pol2Cart() {
//}
private void computeQuadrant()
{
//if (m_phi == 0.0 && m_rho == 0.0) {
// m_quadrant = CameraQuadrant.TopLeftFront;
// return;
//}
if (m_rho < System.Math.PI / 2)
{
// top
if (m_phi < Math.PI)
{
// right
if (m_phi < Math.PI / 2)
{
// front
m_quadrant = CameraQuadrant.TopRightFront;
}
else
{
// back
m_quadrant = CameraQuadrant.TopRightBack;
}
}
else
{
// left
if (m_phi > Math.PI / 2 * 3)
{
// front
m_quadrant = CameraQuadrant.TopLeftFront;
}
else
{
// back
m_quadrant = CameraQuadrant.TopLeftBack;
}
}
}
else
{
// bottom
if (m_phi < Math.PI)
{
// right
if (m_phi < Math.PI / 2)
{
// front
m_quadrant = CameraQuadrant.BottomRightFront;
}
else
{
// back
m_quadrant = CameraQuadrant.BottomRightBack;
}
}
else
{
// left
if (m_phi > Math.PI / 2 * 3)
{
// front
m_quadrant = CameraQuadrant.BottomLeftFront;
}
else
{
// back
m_quadrant = CameraQuadrant.BottomLeftBack;
}
}
}
}
///// <summary>
///// update position, cons. polar coord and lookat as new
///// </summary>
//private void pol2Cart() {
//}
private void computeQuadrant() {
//if (m_phi == 0.0 && m_rho == 0.0) {
// m_quadrant = CameraQuadrant.TopLeftFront;
// return;
//}
if (m_rho < System.Math.PI / 2) {
// top
if (m_phi < Math.PI) {
// right
if (m_phi < Math.PI / 2) {
// front
m_quadrant = CameraQuadrant.TopRightFront;
} else {
// back
m_quadrant = CameraQuadrant.TopRightBack;
}
} else {
// left
if (m_phi > Math.PI / 2 * 3) {
// front
m_quadrant = CameraQuadrant.TopLeftFront;
} else {
// back
m_quadrant = CameraQuadrant.TopLeftBack;
}
}
} else {
// bottom
if (m_phi < Math.PI) {
// right
if (m_phi < Math.PI / 2) {
// front
m_quadrant = CameraQuadrant.BottomRightFront;
} else {
// back
m_quadrant = CameraQuadrant.BottomRightBack;
}
} else {
// left
if (m_phi > Math.PI / 2 * 3) {
// front
m_quadrant = CameraQuadrant.BottomLeftFront;
} else {
// back
m_quadrant = CameraQuadrant.BottomLeftBack;
}
}
}
}
/// <summary>
/// Create a viewport: view at scene from top, no rotation
/// </summary>
public ILCamera () {
m_posX = 0;
m_posY = 0;
m_posZ = 10;
m_quadrant = CameraQuadrant.TopLeftFront;
updateCachedVars();
}
