bool CGizmoTransformMove::GetOpType(MOVETYPE &type, unsigned int x, unsigned int y)
{
tvector3 rayOrigin, rayDir, df;
BuildRay(x, y, rayOrigin, rayDir);
m_svgMatrix = *m_pMatrix;
tvector3 trss(GetTransformedVector(0).Length(),
GetTransformedVector(1).Length(),
GetTransformedVector(2).Length());
tmatrix mt;
if (mLocation == LOCATE_LOCAL)
{
mt = *m_pMatrix;
mt.V4.position += vector4(m_Offset, 0.0f);
mt.Inverse();
}
else
{
// world
tvector4 pos = m_pMatrix->V4.position;
pos += vector4(m_Offset, 0.0f);
mt.Translation(-pos);
}
// plan 1 : X/Z
df = RayTrace2(rayOrigin, rayDir, GetTransformedVector(1), mt, trss, false);
if ( ( df.x >= 0 ) && (df.x <= 1) && ( fabs(df.z) < 0.1f ) ) { type = MOVE_X; return true; }
else if ( ( df.z >= 0 ) && (df.z <= 1) && ( fabs(df.x) < 0.1f ) ){ type = MOVE_Z; return true; }
else if ( (df.x<0.5f) && (df.z<0.5f) && (df.x>0) && (df.z>0)) { type = MOVE_XZ; return true; }
else {
//plan 2 : X/Y
df = RayTrace2(rayOrigin, rayDir, GetTransformedVector(2), mt, trss, false);
if ( ( df.x >= 0 ) && (df.x <= 1) && ( fabs(df.y) < 0.1f ) ) { type = MOVE_X; return true; }
if ( ( df.y >= 0 ) && (df.y <= 1) && ( fabs(df.x) < 0.1f ) ) { type = MOVE_Y; return true; }
else if ( (df.x<0.5f) && (df.y<0.5f) && (df.x>0) && (df.y>0)) { type = MOVE_XY; return true; }
else
{
//plan 3: Y/Z
df = RayTrace2(rayOrigin, rayDir, GetTransformedVector(0), mt, trss, false);
if ( ( df.y >= 0 ) && (df.y <= 1) && ( fabs(df.z) < 0.1f ) ) { type = MOVE_Y; return true; }
else if ( ( df.z >= 0 ) && (df.z <= 1) && ( fabs(df.y) < 0.1f ) ) { type = MOVE_Z; return true; }
else if ( (df.y<0.5f) && (df.z<0.5f) && (df.y>0) && (df.z>0)) { type = MOVE_YZ; return true; }
}
}
type = MOVE_NONE;
return false;
}
bool CGizmoTransformScale::GetOpType(SCALETYPE &type, unsigned int x, unsigned int y)
{
// init
tvector3 trss(GetTransformedVector(0).Length(),
GetTransformedVector(1).Length(),
GetTransformedVector(2).Length());
m_LockX = x;
m_svgMatrix = *m_pMatrix;
tmatrix mt;
mt = *m_pMatrix;
mt.NoTrans();
mt.Inverse();
// ray casting
tvector3 rayOrigin,rayDir,df2;
BuildRay(x, y, rayOrigin, rayDir);
// plan 1 : X/Z
df2 = RayTrace2(rayOrigin, rayDir, GetTransformedVector(1), mt, trss);
if ( (df2.x<0.2f) && (df2.z<0.2f) && (df2.x>0) && (df2.z>0)) { type = SCALE_XYZ; return true; }
else if ( ( df2.x >= 0 ) && (df2.x <= 1) && ( fabs(df2.z) < 0.1f ) ) { type = SCALE_X; return true; }
else if ( ( df2.z >= 0 ) && (df2.z <= 1) && ( fabs(df2.x) < 0.1f ) ) { type = SCALE_Z; return true; }
else if ( (df2.x<0.5f) && (df2.z<0.5f) && (df2.x>0) && (df2.z>0)) { type = SCALE_XZ; return true; }
else
{
//plan 2 : X/Y
df2 = RayTrace2(rayOrigin, rayDir, GetTransformedVector(2), mt, trss);
if ( (df2.x<0.2f) && (df2.y<0.2f) && (df2.x>0) && (df2.y>0)) { type = SCALE_XYZ; return true; }
else if ( ( df2.x >= 0 ) && (df2.x <= 1) && ( fabs(df2.y) < 0.1f ) ) { type = SCALE_X; return true; }
else if ( ( df2.y >= 0 ) && (df2.y <= 1) && ( fabs(df2.x) < 0.1f ) ) { type = SCALE_Y; return true; }
else if ( (df2.x<0.5f) && (df2.y<0.5f) && (df2.x>0) && (df2.y>0)) { type = SCALE_XY; return true; }
else
{
//plan 3: Y/Z
df2 = RayTrace2(rayOrigin, rayDir, GetTransformedVector(0), mt, trss);
if ( (df2.y<0.2f) && (df2.z<0.2f) && (df2.y>0) && (df2.z>0)) { type = SCALE_XYZ; return true; }
else if ( ( df2.y >= 0 ) && (df2.y <= 1) && ( fabs(df2.z) < 0.1f ) ) { type = SCALE_Y; return true; }
else if ( ( df2.z >= 0 ) && (df2.z <= 1) && ( fabs(df2.y) < 0.1f ) ) { type = SCALE_Z; return true; }
else if ( (df2.y<0.5f) && (df2.z<0.5f) && (df2.y>0) && (df2.z>0)) { type = SCALE_YZ; return true; }
}
}
type = SCALE_NONE;
return false;
}
bool CGizmoTransformMove::GetOpType(MOVETYPE &type, unsigned int x, unsigned int y)
{
tvector3 rayOrigin, rayDir, df;
BuildRay(x, y, rayOrigin, rayDir);
m_svgMatrix = *m_pMatrix;
tvector3 trss(GetTransformedVector(0).Length(),
GetTransformedVector(1).Length(),
GetTransformedVector(2).Length());
tmatrix mt;
mt = *m_pMatrix;
mt.NoTrans();
mt.Inverse();
// plan 1 : X/Z
df = RayTrace2(rayOrigin, rayDir, GetTransformedVector(1), mt, trss, false);
if ( ( df.x >= 0 ) && (df.x <= 1) && ( fabs(df.z) < 0.1f ) ) { type = MOVE_X; return true; }
else if ( ( df.z >= 0 ) && (df.z <= 1) && ( fabs(df.x) < 0.1f ) ){ type = MOVE_Z; return true; }
else if ( (df.x<0.5f) && (df.z<0.5f) && (df.x>0) && (df.z>0)) { type = MOVE_XZ; return true; }
else {
//plan 2 : X/Y
df = RayTrace2(rayOrigin, rayDir, GetTransformedVector(2), mt, trss, false);
if ( ( df.x >= 0 ) && (df.x <= 1) && ( fabs(df.y) < 0.1f ) ) { type = MOVE_X; return true; }
if ( ( df.y >= 0 ) && (df.y <= 1) && ( fabs(df.x) < 0.1f ) ) { type = MOVE_Y; return true; }
else if ( (df.x<0.5f) && (df.y<0.5f) && (df.x>0) && (df.y>0)) { type = MOVE_XY; return true; }
else
{
//plan 3: Y/Z
df = RayTrace2(rayOrigin, rayDir, GetTransformedVector(0), mt, trss, false);
if ( ( df.y >= 0 ) && (df.y <= 1) && ( fabs(df.z) < 0.1f ) ) { type = MOVE_Y; return true; }
else if ( ( df.z >= 0 ) && (df.z <= 1) && ( fabs(df.y) < 0.1f ) ) { type = MOVE_Z; return true; }
else if ( (df.y<0.5f) && (df.z<0.5f) && (df.y>0) && (df.z>0)) { type = MOVE_YZ; return true; }
}
}
type = MOVE_NONE;
return false;
}