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Fixed Cross Product Being Zero on Mesh Export #8

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Fixed Cross Product Being Zero on Mesh Export #8

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24 changes: 19 additions & 5 deletions MeshExporter.py
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Original file line number Diff line number Diff line change
Expand Up @@ -169,10 +169,10 @@ def runMesh(wheelNames):
# Leave this here in case I need to debug again

# Create a graphics group on the root component.
#graphics = rootComp.customGraphicsGroups.add()
# graphics = rootComp.customGraphicsGroups.add()
# Adds Point Graphic
#coord = adsk.fusion.CustomGraphicsCoordinates.create(point.asArray())
#point = graphics.addPointSet(coord, [0], adsk.fusion.CustomGraphicsPointTypes.UserDefinedCustomGraphicsPointType,
# coord = adsk.fusion.CustomGraphicsCoordinates.create(point.asArray())
# point = graphics.addPointSet(coord, [0], adsk.fusion.CustomGraphicsPointTypes.UserDefinedCustomGraphicsPointType,
# 'SelectJoint.png')


Expand All @@ -184,17 +184,25 @@ def runMesh(wheelNames):
originalCam = app.activeViewport.camera
# Move to Up
cam = app.activeViewport.camera
cam.viewOrientation = 10
cam.viewOrientation = adsk.core.ViewOrientations.TopViewOrientation
cam.isSmoothTransition = False
app.activeViewport.camera = cam

adsk.doEvents()
app.activeViewport.refresh()

app.activeViewport.fit()
# Capture Up
cam = app.activeViewport.camera
yVector = returnNormalVector(cam.eye)
# Move to Forward
cam.viewOrientation = 3
cam.viewOrientation = adsk.core.ViewOrientations.FrontViewOrientation
cam.isSmoothTransition = False
app.activeViewport.camera = cam

adsk.doEvents()
app.activeViewport.refresh()

app.activeViewport.fit()
# Capture Forward
cam = app.activeViewport.camera
Expand All @@ -206,6 +214,12 @@ def runMesh(wheelNames):
global newTransform, inverseTransform
newTransform = adsk.core.Matrix3D.create()
origin = adsk.core.Point3D.create(0, 0, 0)
xVector = yVector.crossProduct(zVector)
if xVector.length < 1e-6:
ui.messageBox(f"Invalid coordinate system.\n"
f"yVector: {yVector.x}, {yVector.y}, {yVector.z}\n"
f"zVector: {zVector.x}, {zVector.y}, {zVector.z}")
return False
Comment on lines +218 to +222
newTransform.setToAlignCoordinateSystems(origin, yVector.crossProduct(zVector), yVector, zVector, origin,
adsk.core.Vector3D.create(-1, 0, 0), adsk.core.Vector3D.create(0, 1, 0), adsk.core.Vector3D.create(0, 0, -1))
# Adds on origin as well
Expand Down