// The compute() method does the actual work of the node using the inputs // of the node to generate its output. // // Compute takes two parameters: plug and data. // - Plug is the the data value that needs to be recomputed // - Data provides handles to all of the nodes attributes, only these // handles should be used when performing computations. // public override bool compute(MPlug plug, MDataBlock dataBlock) { MObject thisNode = thisMObject(); MFnDependencyNode fnThisNode = new MFnDependencyNode(thisNode); MGlobal.displayInfo("affects::compute(), plug being computed is \"" + plug.name + "\""); if (plug.partialName() == "B") { // Plug "B" is being computed. Assign it the value on plug "A" // if "A" exists. // MPlug pA = fnThisNode.findPlug("A"); MGlobal.displayInfo("\t\t... found dynamic attribute \"A\", copying its value to \"B\""); MDataHandle inputData = dataBlock.inputValue(pA); int value = inputData.asInt; MDataHandle outputHandle = dataBlock.outputValue(plug); outputHandle.set(value); dataBlock.setClean(plug); } else { return(false); } return(true); }
public override bool compute(MPlug plug, MDataBlock dataBlock) { if (plug.equalEqual(animCube.outputMesh)) { /* Get time */ MDataHandle timeData = dataBlock.inputValue(animCube.time); MTime time = timeData.asTime; /* Get output object */ MDataHandle outputHandle = dataBlock.outputValue(outputMesh); MFnMeshData dataCreator = new MFnMeshData(); MObject newOutputData = dataCreator.create(); createMesh(time, ref newOutputData); outputHandle.set(newOutputData); dataBlock.setClean(plug); } else return false; return true; }
public override bool compute(MPlug plug, MDataBlock dataBlock) { if (plug.equalEqual(animCube.outputMesh)) { /* Get time */ MDataHandle timeData = dataBlock.inputValue(animCube.time); MTime time = timeData.asTime; /* Get output object */ MDataHandle outputHandle = dataBlock.outputValue(outputMesh); MFnMeshData dataCreator = new MFnMeshData(); MObject newOutputData = dataCreator.create(); createMesh(time, ref newOutputData); outputHandle.set(newOutputData); dataBlock.setClean(plug); } else { return(false); } return(true); }
public override bool compute(MPlug plug, MDataBlock dataBlock) // // Description: // Computes a color value // from a surface noraml angle. // { if ((plug.notEqual(aOutColor)) && (plug.parent.notEqual(aOutColor))) { return(false); } MFloatVector resultColor; MFloatVector walkable = dataBlock.inputValue(aColor1).asFloatVector; MFloatVector nonWalkable = dataBlock.inputValue(aColor2).asFloatVector; MFloatVector surfaceNormal = dataBlock.inputValue(aTriangleNormalCamera).asFloatVector; MFloatMatrix viewMatrix = dataBlock.inputValue(aMatrixEyeToWorld).asFloatMatrix; float angle = dataBlock.inputValue(aAngle).asFloat; // Normalize the view vector // surfaceNormal.normalize(); MFloatVector WSVector = surfaceNormal.multiply(viewMatrix); // find dot product // float scalarNormal = WSVector.multiply(new MFloatVector(0, 1, 0)); // take the absolute value // if (scalarNormal < 0.0) { scalarNormal *= -1.0f; } if (Math.Cos(angle * AWdegreesToRadians) < scalarNormal) { resultColor = walkable; } else { resultColor = nonWalkable; } // set ouput color attribute // MDataHandle outColorHandle = dataBlock.outputValue(aOutColor); MFloatVector outColor = outColorHandle.asFloatVector; outColor = resultColor; outColorHandle.setClean(); return(true); }
override public bool compute(MPlug plug, MDataBlock dataBlock) { bool res = plug.attribute.equalEqual(output); if (res) { MDataHandle inputData; inputData = dataBlock.inputValue(input); MDataHandle outputHandle = dataBlock.outputValue(output); outputHandle.asFloat = 10 * (float)Math.Sin((double)inputData.asFloat); dataBlock.setClean(plug); return true; } return false; }
override public bool compute(MPlug plug, MDataBlock dataBlock) { bool res = plug.attribute.equalEqual(output); if (res) { MDataHandle inputData; inputData = dataBlock.inputValue(input); MDataHandle outputHandle = dataBlock.outputValue(output); outputHandle.asFloat = 10 * (float)Math.Sin((double)inputData.asFloat); dataBlock.setClean(plug); return(true); } return(false); }
public override void validateAndSetValue(MPlug plug, MDataHandle handle, MDGContext context) { // Make sure that there is something interesting to process. // if (plug.isNull) { throw new ArgumentNullException("plug"); } if (plug.equalEqual(aRockInX)) { MDataBlock block = _forceCache(context); MDataHandle blockHandle = block.outputValue(plug); // Update our new rock in x value double rockInX = handle.asDouble; blockHandle.set(rockInX); rockXValue = rockInX; // Update the custom transformation matrix to the // right rock value. rockingTransformCheckMatrix ltm = getRockingTransformMatrix(); if (ltm != null) { ltm.setRockInX(rockXValue); } else { MGlobal.displayError("Failed to get rock transform matrix"); } blockHandle.setClean(); // Mark the matrix as dirty so that DG information // will update. dirtyMatrix(); return; } base.validateAndSetValue(plug, handle, context); }
public override bool compute( MPlug plug, MDataBlock block) { if ( plug.equalEqual(constraintGeometry) ) { // block.inputValue(constraintParentInverseMatrix); // MArrayDataHandle targetArray = block.inputArrayValue( compoundTarget ); uint targetArrayCount = targetArray.elementCount(); double weight,selectedWeight = 0; if ( weightType == GeometrySurfaceConstraintCommand.ConstraintType.kSmallestWeight ) selectedWeight = float.MaxValue; MObject selectedMesh = null; uint i; for ( i = 0; i < targetArrayCount; i++ ) { MDataHandle targetElement = targetArray.inputValue(); weight = targetElement.child(targetWeight).asDouble; if ( !equivalent(weight,0.0)) { if ( weightType == GeometrySurfaceConstraintCommand.ConstraintType.kLargestWeight ) { if ( weight > selectedWeight ) { MObject mesh = targetElement.child(targetGeometry).asMesh; if ( !mesh.isNull ) { selectedMesh = mesh; selectedWeight = weight; } } } else { if ( weight < selectedWeight ) { MObject mesh = targetElement.child(targetGeometry).asMesh; if ( !mesh.isNull ) { selectedMesh = mesh; selectedWeight = weight; } } } } targetArray.next(); } // if( selectedMesh == null ) { block.setClean(plug); } else { // The transform node via the geometry attribute will take care of // updating the location of the constrained geometry. MDataHandle outputConstraintGeometryHandle = block.outputValue(constraintGeometry); outputConstraintGeometryHandle.setMObject(selectedMesh); } } else { return false; } return true; }
// // Calls applyRotationLocks && applyRotationLimits // This method verifies that the passed value can be set on the // rotate plugs. In the base class, limits as well as locking are // checked by this method. // // The compute, validateAndSetValue, and rotateTo functions // all use this method. // protected override void checkAndSetRotation(MDataBlock block, MPlug plug, MEulerRotation newRotation, MSpace.Space space) { MDGContext context = block.context; updateMatrixAttrs(context); MEulerRotation outRotation = newRotation; if (context.isNormal) { // For easy reading. // MPxTransformationMatrix xformMat = baseTransformationMatrix; // Get the current translation in transform space for // clamping and locking. // MEulerRotation savedRotation = xformMat.eulerRotation(MSpace.Space.kTransform); // Translate to transform space, since the limit test needs the // values in transform space. The locking test needs the values // in the same space as the savedR value - which is transform // space as well. // baseTransformationMatrix.rotateTo(newRotation, space); outRotation = xformMat.eulerRotation(MSpace.Space.kTransform); // Now that everything is in the same space, apply limits // and change the value to adhere to plug locking. // outRotation = applyRotationLimits(outRotation, block); outRotation = applyRotationLocks(outRotation, savedRotation); // The value that remain is in transform space. // xformMat.rotateTo(outRotation, MSpace.Space.kTransform); // Get the value that was just set. It needs to be in transform // space since it is used to set the datablock values at the // end of this method. Getting the vaolue right before setting // ensures that the transformation matrix and data block will // be synchronized. // outRotation = xformMat.eulerRotation(MSpace.Space.kTransform); } else { // Get the rotation for clamping and locking. This will get the // rotate value in transform space. // double[] s3 = block.inputValue(rotate).Double3; MEulerRotation savedRotation = new MEulerRotation(s3[0], s3[1], s3[2]); // Create a local transformation matrix for non-normal context // calculations. // MPxTransformationMatrix local = createTransformationMatrix(); if (null == local) { throw new InvalidOperationException("rockingTransformCheck::checkAndSetRotation internal error"); } // Fill the newly created transformation matrix. // computeLocalTransformation(local, block); // Translate the values to transform space. This will allow the // limit and locking tests to work properly. // local.rotateTo(newRotation, space); outRotation = local.eulerRotation(MSpace.Space.kTransform); // Apply limits // outRotation = applyRotationLimits(outRotation, block); outRotation = applyRotationLocks(outRotation, savedRotation); local.rotateTo(outRotation, MSpace.Space.kTransform); // Get the rotate value in transform space for placement in the // data block. // outRotation = local.eulerRotation(MSpace.Space.kTransform); local.Dispose(); } MDataHandle handle = block.outputValue(plug); if (plug.equalEqual(rotate)) { handle.set(outRotation.x, outRotation.y, outRotation.z); } else if (plug.equalEqual(rotateX)) { handle.set(outRotation.x); } else if (plug.equalEqual(rotateY)) { handle.set(outRotation.y); } else { handle.set(outRotation.z); } return; }
public override bool compute(MPlug plug, MDataBlock dataBlock) { if (plug.equalEqual(gOutputFloat_2Float_3Float)) { // attribute affecting generic attribute case. Based on the // input attribute, we modify the output generic attribute MDataHandle inputDataInt = dataBlock.inputValue(gInputInt); int inputInt = inputDataInt.asInt; // Get the output handle MDataHandle outputData = dataBlock.outputValue(plug); bool isGenericNumeric = false; bool isGenericNull = false; // Is the output handle generic data if (outputData.isGeneric(ref isGenericNumeric, ref isGenericNull)) { // Based on the inputHandle, update the generic // output handle if (inputInt == 1) { outputData.setGenericBool(false, true); } else if (inputInt == 2) { outputData.setGenericBool(true, true); } else if (inputInt == 3) { outputData.setGenericChar(127, true); } else if (inputInt == 4) { outputData.setGenericDouble(3.145, true); } else if (inputInt == 5) { outputData.setGenericFloat((float)9.98, true); } else if (inputInt == 6) { outputData.setGenericShort(3245, true); } else if (inputInt == 7) { outputData.setGenericInt(32768, true); } else if (inputInt == 8) { MFnNumericData numericData = new MFnNumericData(); MObject obj = numericData.create(MFnNumericData.Type.k2Float); numericData.setData((float)1.5, (float)6.7); outputData.set(obj); } else if (inputInt == 9) { MFnNumericData numericData = new MFnNumericData(); MObject obj = numericData.create(MFnNumericData.Type.k3Float); numericData.setData((float)2.5, (float)8.7, (float)2.3345); outputData.set(obj); } else if (inputInt == 10) { outputData.setGenericInt(909, true); } // Mark the data clean outputData.setClean(); dataBlock.setClean(gOutputFloat_2Float_3Float); } } else { return(false); } return(true); }
public override bool compute(MPlug plug, MDataBlock dataBlock) { if ( plug.equalEqual(gOutputFloat_2Float_3Float) ) { // attribute affecting generic attribute case. Based on the // input attribute, we modify the output generic attribute MDataHandle inputDataInt = dataBlock.inputValue( gInputInt ); int inputInt = inputDataInt.asInt; // Get the output handle MDataHandle outputData = dataBlock.outputValue( plug ); bool isGenericNumeric = false; bool isGenericNull = false; // Is the output handle generic data if ( outputData.isGeneric( ref isGenericNumeric, ref isGenericNull ) ) { // Based on the inputHandle, update the generic // output handle if ( inputInt == 1 ) outputData.setGenericBool( false, true ); else if ( inputInt == 2 ) outputData.setGenericBool( true, true ); else if ( inputInt == 3 ) outputData.setGenericChar( 127, true ); else if ( inputInt == 4 ) outputData.setGenericDouble( 3.145, true ); else if ( inputInt == 5 ) outputData.setGenericFloat( (float)9.98, true ); else if ( inputInt == 6 ) outputData.setGenericShort( 3245, true ); else if ( inputInt == 7 ) outputData.setGenericInt( 32768, true ); else if ( inputInt == 8 ) { MFnNumericData numericData = new MFnNumericData(); MObject obj = numericData.create( MFnNumericData.Type.k2Float); numericData.setData( (float)1.5, (float)6.7 ); outputData.set( obj ); } else if ( inputInt == 9 ) { MFnNumericData numericData = new MFnNumericData(); MObject obj = numericData.create( MFnNumericData.Type.k3Float); numericData.setData( (float)2.5, (float)8.7, (float)2.3345 ); outputData.set( obj ); } else if ( inputInt == 10 ) { outputData.setGenericInt( 909, true ); } // Mark the data clean outputData.setClean(); dataBlock.setClean( gOutputFloat_2Float_3Float ); } } else { return false; } return true; }
public override bool compute(MPlug plug, MDataBlock datablock) // // Description // // When input attributes are dirty this method will be called to // recompute the output attributes. // { if (plug.attribute.equalEqual(outputSurface)) { // Create some user-defined geometry data and access the // geometry so that we can set it // MFnPluginData fnDataCreator = new MFnPluginData(); fnDataCreator.create(new MTypeId(apiMeshData.id)); apiMeshData meshData = (apiMeshData)fnDataCreator.data(); apiMeshGeom meshGeom = meshData.fGeometry; // If there is an input mesh then copy it's values // and construct some apiMeshGeom for it. // bool hasHistory = computeInputMesh(plug, datablock, meshGeom.vertices, meshGeom.face_counts, meshGeom.face_connects, meshGeom.normals, meshGeom.uvcoords); // There is no input mesh so check the shapeType attribute // and create either a cube or a sphere. // if (!hasHistory) { MDataHandle sizeHandle = datablock.inputValue(size); double shape_size = sizeHandle.asDouble; MDataHandle typeHandle = datablock.inputValue(shapeType); short shape_type = typeHandle.asShort; switch (shape_type) { case 0: // build a cube buildCube(shape_size, meshGeom.vertices, meshGeom.face_counts, meshGeom.face_connects, meshGeom.normals, meshGeom.uvcoords ); break; case 1: // build a sphere buildSphere(shape_size, 32, meshGeom.vertices, meshGeom.face_counts, meshGeom.face_connects, meshGeom.normals, meshGeom.uvcoords ); break; } // end switch } meshGeom.faceCount = meshGeom.face_counts.length; // Assign the new data to the outputSurface handle // MDataHandle outHandle = datablock.outputValue(outputSurface); outHandle.set(meshData); datablock.setClean(plug); return(true); } return(false); }
// // Description // // Compute the outputSurface attribute. // // If there is no history, use cachedSurface as the // input surface. All tweaks will get written directly // to it. Output is just a copy of the cached surface // that can be connected etc. // public void computeOutputSurface( MPlug plug, MDataBlock datablock ) { // Check for an input surface. The input surface, if it // exists, is copied to the cached surface. // computeInputSurface( plug, datablock ); // Get a handle to the cached data // MDataHandle cachedHandle = datablock.outputValue( cachedSurface ); apiMeshData cached = cachedHandle.asPluginData as apiMeshData; if ( null == cached ) { MGlobal.displayInfo( "NULL cachedSurface data found" ); } datablock.setClean( plug ); // Apply any vertex offsets. // if ( hasHistory() ) { applyTweaks( datablock, cached.fGeometry ); } else { MArrayDataHandle cpHandle = datablock.inputArrayValue( mControlPoints ); cpHandle.setAllClean(); } // Create some output data // MFnPluginData fnDataCreator = new MFnPluginData(); fnDataCreator.create(new MTypeId(apiMeshData.id)); apiMeshData newData = (apiMeshData)fnDataCreator.data(); // Copy the data // if ( null != cached ) { newData.fGeometry = cached.fGeometry; } else { MGlobal.displayInfo( "computeOutputSurface: NULL cachedSurface data" ); } // Assign the new data to the outputSurface handle // MDataHandle outHandle = datablock.outputValue( outputSurface ); outHandle.set( newData ); // Update the bounding box attributes // computeBoundingBox( datablock ); }
// // Description // // Use the larges/smallest vertex positions to set the corners // of the bounding box. // public void computeBoundingBox( MDataBlock datablock ) { // Update bounding box // MDataHandle lowerHandle = datablock.outputValue( bboxCorner1 ); MDataHandle upperHandle = datablock.outputValue( bboxCorner2 ); double[] lower = lowerHandle.Double3; double[] upper = upperHandle.Double3; apiMeshGeom geomPtr = meshGeom(); uint cnt = geomPtr.vertices.length; if ( cnt == 0 ) return; // This clears any old bbox values // MPoint tmppnt = geomPtr.vertices[0]; lower[0] = tmppnt[0]; lower[1] = tmppnt[1]; lower[2] = tmppnt[2]; upper[0] = tmppnt[0]; upper[1] = tmppnt[1]; upper[2] = tmppnt[2]; for ( int i=0; i<cnt; i++ ) { MPoint pnt = geomPtr.vertices[i]; if ( pnt[0] < lower[0] ) lower[0] = pnt[0]; if ( pnt[1] < lower[1] ) lower[1] = pnt[1]; if ( pnt[2] > lower[2] ) lower[2] = pnt[2]; if ( pnt[0] > upper[0] ) upper[0] = pnt[0]; if ( pnt[1] > upper[1] ) upper[1] = pnt[1]; if ( pnt[2] < upper[2] ) upper[2] = pnt[2]; } lowerHandle.Double3 = lower; lowerHandle.setClean(); upperHandle.Double3 = upper; upperHandle.setClean(); // Signal that the bounding box has changed. // childChanged(MPxSurfaceShape.MChildChanged.kBoundingBoxChanged); }
public override bool compute(MPlug plug, MDataBlock block) { if (plug.equalEqual(constraintGeometry)) { // block.inputValue(constraintParentInverseMatrix); // MArrayDataHandle targetArray = block.inputArrayValue(compoundTarget); uint targetArrayCount = targetArray.elementCount(); double weight, selectedWeight = 0; if (weightType == GeometrySurfaceConstraintCommand.ConstraintType.kSmallestWeight) { selectedWeight = float.MaxValue; } MObject selectedMesh = null; uint i; for (i = 0; i < targetArrayCount; i++) { MDataHandle targetElement = targetArray.inputValue(); weight = targetElement.child(targetWeight).asDouble; if (!equivalent(weight, 0.0)) { if (weightType == GeometrySurfaceConstraintCommand.ConstraintType.kLargestWeight) { if (weight > selectedWeight) { MObject mesh = targetElement.child(targetGeometry).asMesh; if (!mesh.isNull) { selectedMesh = mesh; selectedWeight = weight; } } } else { if (weight < selectedWeight) { MObject mesh = targetElement.child(targetGeometry).asMesh; if (!mesh.isNull) { selectedMesh = mesh; selectedWeight = weight; } } } } targetArray.next(); } // if (selectedMesh == null) { block.setClean(plug); } else { // The transform node via the geometry attribute will take care of // updating the location of the constrained geometry. MDataHandle outputConstraintGeometryHandle = block.outputValue(constraintGeometry); outputConstraintGeometryHandle.setMObject(selectedMesh); } } else { return(false); } return(true); }
// The compute() method does the actual work of the node using the inputs // of the node to generate its output. // // Compute takes two parameters: plug and data. // - Plug is the the data value that needs to be recomputed // - Data provides handles to all of the nodes attributes, only these // handles should be used when performing computations. // public override bool compute(MPlug plug, MDataBlock dataBlock) { MObject thisNode = thisMObject(); MFnDependencyNode fnThisNode = new MFnDependencyNode(thisNode); MGlobal.displayInfo("affects::compute(), plug being computed is \"" + plug.name + "\""); if (plug.partialName() == "B") { // Plug "B" is being computed. Assign it the value on plug "A" // if "A" exists. // MPlug pA = fnThisNode.findPlug("A"); MGlobal.displayInfo("\t\t... found dynamic attribute \"A\", copying its value to \"B\""); MDataHandle inputData = dataBlock.inputValue(pA); int value = inputData.asInt; MDataHandle outputHandle = dataBlock.outputValue( plug ); outputHandle.set(value); dataBlock.setClean(plug); } else { return false; } return true; }
public override bool compute(MPlug plug, MDataBlock datablock) // // Description // // When input attributes are dirty this method will be called to // recompute the output attributes. // { if (plug.attribute.equalEqual(outputSurface)) { // Create some user-defined geometry data and access the // geometry so that we can set it // MFnPluginData fnDataCreator = new MFnPluginData(); fnDataCreator.create(new MTypeId(apiMeshData.id)); apiMeshData meshData = (apiMeshData)fnDataCreator.data(); apiMeshGeom meshGeom = meshData.fGeometry; // If there is an input mesh then copy it's values // and construct some apiMeshGeom for it. // bool hasHistory = computeInputMesh(plug, datablock, meshGeom.vertices, meshGeom.face_counts, meshGeom.face_connects, meshGeom.normals, meshGeom.uvcoords); // There is no input mesh so check the shapeType attribute // and create either a cube or a sphere. // if ( !hasHistory ) { MDataHandle sizeHandle = datablock.inputValue(size); double shape_size = sizeHandle.asDouble; MDataHandle typeHandle = datablock.inputValue(shapeType); short shape_type = typeHandle.asShort; switch( shape_type ) { case 0 : // build a cube buildCube(shape_size, meshGeom.vertices, meshGeom.face_counts, meshGeom.face_connects, meshGeom.normals, meshGeom.uvcoords ); break; case 1 : // build a sphere buildSphere(shape_size, 32, meshGeom.vertices, meshGeom.face_counts, meshGeom.face_connects, meshGeom.normals, meshGeom.uvcoords ); break; } // end switch } meshGeom.faceCount = meshGeom.face_counts.length; // Assign the new data to the outputSurface handle // MDataHandle outHandle = datablock.outputValue(outputSurface); outHandle.set(meshData); datablock.setClean(plug); return true; } return false; }
// // Description // // If there is input history, evaluate the input attribute // public void computeInputSurface( MPlug plug, MDataBlock datablock ) { // Get the input surface if there is history // if ( hasHistory() ) { MDataHandle inputHandle = datablock.inputValue( inputSurface ); apiMeshData surf = inputHandle.asPluginData as apiMeshData; if ( null == surf ) { throw new ArgumentException("NULL inputSurface data found", "datablock"); } apiMeshGeom geomPtr = surf.fGeometry; // Create the cachedSurface and copy the input surface into it // MFnPluginData fnDataCreator = new MFnPluginData(); fnDataCreator.create(new MTypeId(apiMeshData.id)); apiMeshData newCachedData = (apiMeshData)fnDataCreator.data(); newCachedData.fGeometry = geomPtr; MDataHandle cachedHandle = datablock.outputValue( cachedSurface ); cachedHandle.set( newCachedData ); } }
// // Description // // Compute the worldSurface attribute. // public void computeWorldSurface( MPlug plug, MDataBlock datablock ) { computeOutputSurface( plug, datablock ); MDataHandle inHandle = datablock.outputValue( outputSurface ); apiMeshData outSurf = inHandle.asPluginData as apiMeshData; if ( null == outSurf ) { throw new ArgumentException("computeWorldSurface: outSurf NULL", "datablock"); } // Create some output data // MFnPluginData fnDataCreator = new MFnPluginData(); fnDataCreator.create(new MTypeId(apiMeshData.id)); apiMeshData newData = (apiMeshData)fnDataCreator.data(); // Get worldMatrix from MPxSurfaceShape and set it to MPxGeometryData MMatrix worldMat = getWorldMatrix(datablock, 0); newData.matrix(worldMat); // Copy the data // newData.fGeometry = outSurf.fGeometry; // Assign the new data to the outputSurface handle // uint arrayIndex = plug.logicalIndex; MArrayDataHandle worldHandle = datablock.outputArrayValue( worldSurface ); MArrayDataBuilder builder = worldHandle.builder(); MDataHandle outHandle = builder.addElement( arrayIndex ); outHandle.set( newData ); }
// // Description: // Computes a color value // from a surface noraml angle. // public override bool compute(MPlug plug, MDataBlock dataBlock) { if ((plug.notEqual(aOutColor)) && (plug.parent.notEqual(aOutColor))) return false; MFloatVector resultColor; MFloatVector walkable = dataBlock.inputValue( aColor1 ).asFloatVector; MFloatVector nonWalkable = dataBlock.inputValue( aColor2 ).asFloatVector; MFloatVector surfaceNormal = dataBlock.inputValue( aTriangleNormalCamera ).asFloatVector; MFloatMatrix viewMatrix = dataBlock.inputValue( aMatrixEyeToWorld ).asFloatMatrix; float angle = dataBlock.inputValue( aAngle ).asFloat; // Normalize the view vector // surfaceNormal.normalize(); MFloatVector WSVector = surfaceNormal.multiply(viewMatrix); // find dot product // float scalarNormal = WSVector.multiply(new MFloatVector(0, 1, 0)); // take the absolute value // if (scalarNormal < 0.0) scalarNormal *= -1.0f; if(Math.Cos(angle*AWdegreesToRadians) < scalarNormal) resultColor = walkable; else resultColor = nonWalkable; // set ouput color attribute // MDataHandle outColorHandle = dataBlock.outputValue( aOutColor ); MFloatVector outColor = outColorHandle.asFloatVector; outColor = resultColor; outColorHandle.setClean(); return true; }