// addUIDrawables() provides access to the MUIDrawManager, which can be used
// to queue up operations for drawing simple UI elements such as lines, circles and
// text. To enable addUIDrawables(), override hasUIDrawables() and make it return true.
void FootPrintDrawOverride::addUIDrawables(
const MDagPath& objPath,
MHWRender::MUIDrawManager& drawManager,
const MHWRender::MFrameContext& frameContext,
const MUserData* data)
{
// Get data cached by prepareForDraw() for each drawable instance, then MUIDrawManager
// can draw simple UI by these data.
FootPrintData* pLocatorData = (FootPrintData*)data;
if (!pLocatorData)
{
return;
}
drawManager.beginDrawable();
// Draw the foot print solid/wireframe
drawManager.setColor( pLocatorData->fColor );
drawManager.setDepthPriority(5);
if (frameContext.getDisplayStyle() & MHWRender::MFrameContext::kGouraudShaded) {
drawManager.mesh(MHWRender::MUIDrawManager::kTriangles, pLocatorData->fSoleTriangleList);
drawManager.mesh(MHWRender::MUIDrawManager::kTriangles, pLocatorData->fHeelTriangleList);
}
drawManager.mesh(MHWRender::MUIDrawManager::kClosedLine, pLocatorData->fSoleLineList);
drawManager.mesh(MHWRender::MUIDrawManager::kClosedLine, pLocatorData->fHeelLineList);
// Draw a text "Foot"
MPoint pos( 0.0, 0.0, 0.0 ); // Position of the text
MColor textColor( 0.1f, 0.8f, 0.8f, 1.0f ); // Text color
drawManager.setColor( textColor );
drawManager.setFontSize( MHWRender::MUIDrawManager::kSmallFontSize );
drawManager.text( pos, MString("Footprint"), MHWRender::MUIDrawManager::kCenter );
drawManager.endDrawable();
}
void sphericalBlendShapeVisualizerDrawOverride::addUIDrawables(
const MDagPath& objPath,
MHWRender::MUIDrawManager& drawManager,
const MHWRender::MFrameContext& frameContext,
const MUserData* data)
{
sphericalBlendShapeVisualizerData* pLocatorData = (sphericalBlendShapeVisualizerData*)data;
if (!pLocatorData)
{
return;
}
MMatrix spaceMatrix = pLocatorData->fSpaceMatrix;
MMatrix spaceInvMatrix = spaceMatrix.inverse();
short poleAxis = pLocatorData->fPoleAxis;
short seamAxis = pLocatorData->fSeamAxis;
drawManager.beginDrawable();
MColor lineColor, vertexColor, poleAxisColor, seamAxisColor;
lineColor = MColor(0.7294f, .239216f, 0.2980f, 1.0f);
vertexColor = MColor(0.5843f, 0.78824f, .17255f, 1.0f);
poleAxisColor = MColor(1.0f, 0.0f, 0.f, 1.0f);
seamAxisColor = MColor(0.0f, 1.0f, 0.0f, 1.0f);
MMatrix identity;
identity.setToIdentity();
double radius = 1.0;
int numRings = 20;
int numSections = 20;
MPoint sphericalPoint, xyzPoint;
MPoint startPoint, endPoint, firstPoint;
MPointArray points;
drawManager.setDepthPriority(5);
drawManager.setColor(lineColor);
bboxPoints.clear();
bboxPoints.setLength(numRings*numSections);
for(int ring=0; ring<=numRings; ring++) {
double azimuth = (double)ring / numRings * M_PI * 2;
for(int section=0; section<=numSections; section++) {
double zenith = (double)section / (numSections) * M_PI;
sphericalPoint.x = radius;
sphericalPoint.y = zenith;
sphericalPoint.z = azimuth;
if (section==0) {
sphericalToCartesian(sphericalPoint, poleAxis, seamAxis, startPoint);
startPoint = startPoint * spaceMatrix;
firstPoint = startPoint;
bboxPoints.append(firstPoint);
continue;
} else {
sphericalToCartesian(sphericalPoint, poleAxis, seamAxis, endPoint);
endPoint = endPoint * spaceMatrix;
drawManager.line(startPoint, endPoint);
bboxPoints.append(endPoint);
startPoint = endPoint;
}
}
}
for(int ring=0; ring<=numRings; ring++) {
double azimuth = (double)ring / numRings * M_PI * 2;
for(int section=0; section<=numSections; section++) {
double zenith = (double)section / (numSections) * M_PI;
sphericalPoint.x = radius;
sphericalPoint.y = azimuth;
sphericalPoint.z = zenith;
if (section==0) {
sphericalToCartesian(sphericalPoint, poleAxis, seamAxis, startPoint);
startPoint = startPoint * spaceMatrix;
firstPoint = startPoint;
continue;
} else {
sphericalToCartesian(sphericalPoint, poleAxis, seamAxis, endPoint);
endPoint = endPoint * spaceMatrix;
drawManager.line(startPoint, endPoint);
startPoint = endPoint;
}
}
}
drawManager.setLineWidth(3.0);
drawManager.setLineStyle(MHWRender::MUIDrawManager::kDashed);
startPoint = MPoint(0, 0, 0) * spaceMatrix;
MVector endVector(0, 0, 0);
setAxis(endVector, poleAxis, radius);
endPoint = MPoint(endVector) * spaceMatrix;
drawManager.setColor(poleAxisColor);
drawManager.line(startPoint, endPoint);
endVector = MVector(0, 0, 0);
setAxis(endVector, seamAxis, radius);
endPoint = MPoint(endVector) * spaceMatrix;
drawManager.setColor(seamAxisColor);
drawManager.line(startPoint, endPoint);
drawManager.endDrawable();
}