void drawSkewedCoordinateSystem(CGContextRef context)
{
// alpha is 22.5 degrees and beta is 15 degrees.
float alpha = M_PI/8, beta = M_PI/12;
CGAffineTransform skew;
// Create a rectangle that is 72 units on a side
// with its origin at (0,0).
CGRect r = CGRectMake(0, 0, 72, 72);
CGContextTranslateCTM(context, 144, 144);
// Draw the coordinate axes untransformed.
drawCoordinateAxes(context);
// Fill the rectangle.
CGContextFillRect(context, r);
// Create an affine transform that skews the coordinate system,
// skewing the x-axis by alpha radians and the y-axis by beta radians.
skew = CGAffineTransformMake(1, tan(alpha), tan(beta), 1, 0, 0);
// Apply that transform to the context coordinate system.
CGContextConcatCTM(context, skew);
// Set the fill and stroke color to a dark blue.
CGContextSetRGBStrokeColor(context, 0.11, 0.208, 0.451, 1);
CGContextSetRGBFillColor(context, 0.11, 0.208, 0.451, 1);
// Draw the coordinate axes again, now transformed.
drawCoordinateAxes(context);
// Set the fill color again but with a partially transparent alpha.
CGContextSetRGBFillColor(context, 0.11, 0.208, 0.451, 0.7);
// Fill the rectangle in the transformed coordinate system.
CGContextFillRect(context, r);
}
void Virtual3dCharacterViewer::drawMarkCube ( int i, int Group )
{
MarkCube *group ;
Vector3D color ;
switch(Group)
{
case 0:
group = MarkCubePOT ;
break;
case 1:
group = MarkCubeFK ;
break;
case 2:
group = MarkCubeFKResult ;
break;
case 3:
group = MarkCubeDebugLeftArm ;
break;
default:
return ;
}
color = group[i].Color ;
if ( group[i].show )
{
glPushMatrix();
glTranslatef( group[i].Pos.getX(), group[i].Pos.getY(), group[i].Pos.getZ() ) ;
glRotatef( group[i].Ori.getYaw() , 0.0, 1.0 , 0.0 ) ;
glRotatef( group[i].Ori.getPitch() , 1.0, 0.0 , 0.0 ) ;
glRotatef( group[i].Ori.getRoll() , 0.0, 0.0 , 1.0 ) ;
xLength = 0.04f ;
yLength = 0.04f ;
zLength = 0.04f ;
leftBottomX = - xLength / 2.0f ;
leftBottomY = - yLength / 2.0f ;
leftBottomZ = - zLength / 2.0f ;
drawSingleColorCube(color);
drawCoordinateAxes(0.15);
glPopMatrix();
}
}
void Virtual3dCharacterViewer::paintGL()
{
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glBindTexture( GL_TEXTURE_2D, texture[filter] );
// switch to camera sight .
glTranslatef( WorldInCamera.Pos.getX(), WorldInCamera.Pos.getY(), WorldInCamera.Pos.getZ() );
glRotatef( WorldInCamera.Ori.getYaw() , 0.0, 1.0 , 0.0 ) ;
glRotatef( WorldInCamera.Ori.getPitch() , 1.0, 0.0 , 0.0 ) ;
glRotatef( WorldInCamera.Ori.getRoll() , 0.0, 0.0 , 1.0 ) ;
glGetFloatv(GL_MODELVIEW_MATRIX, (GLfloat*)WorldMat);
InvTransformation ( WorldMat, WorldMatInv ) ;
drawCoordinateAxes () ;
if ( ShowIK )
glDrawBody(IKResult);
if ( ShowFK )
glDrawBody(FKResult);
int i ;
for ( i=0; i<sizeof(MarkCubePOT)/sizeof(MarkCubePOT[0]); i++ )
{
drawMarkCube(i);
}
for ( i=0; i<sizeof(MarkCubeFK)/sizeof(MarkCubeFK[0]); i++ )
{
drawMarkCube(i,1);
}
for ( i=0; i<sizeof(MarkCubeFKResult)/sizeof(MarkCubeFK[0]); i++ )
{
drawMarkCube(i,2);
}
for ( i=0; i<sizeof(MarkCubeDebugLeftArm)/sizeof(MarkCubeDebugLeftArm[0]); i++ )
{
drawMarkCube(i,3);
}
}
