hi, sooo.... here I am again
I am learning from chayan vinayak how to do opengl locator, so I wrote my
code and couldn´t see anything on the viewport
I went directly to his code and try it out aandm everythinh evaluates, but
nothing shows in the viewport.
I didn´t find anything about it in the internet. maybe I don´t know where
to look.
Here is the code. I used paste bin. Sooo, anything new in maya 2016 that
makes this code note to work? should I activate anything in the preferences?
thx
# =====================================================================
# Author : Chayan Vinayak
# Copyright Chayan Vinayak
#
# =====================================================================
import sys
import maya.OpenMaya as OpenMaya
import maya.OpenMayaMPx as OpenMayaMPx
import maya.OpenMayaRender as OpenMayaRender
nodeName = "LeftFoot"
nodeId = OpenMaya.MTypeId(0x100fff)
glRenderer = OpenMayaRender.MHardwareRenderer.theRenderer()
glFT = glRenderer.glFunctionTable()
class LocatorNode(OpenMayaMPx.MPxLocatorNode):
def __init__(self):
OpenMayaMPx.MPxLocatorNode.__init__(self)
def compute(self,plug,dataBlock):
return OpenMaya.kUnknownParameter
def draw(self,view,path,style,status):
view.beginGL()
# Pushed current state
glFT.glPushAttrib(OpenMayaRender.MGL_CURRENT_BIT)
# Enabled Blend mode (to enable transparency)
glFT.glEnable(OpenMayaRender.MGL_BLEND)
# Defined Blend function
glFT.glBlendFunc(OpenMayaRender.MGL_SRC_ALPHA,OpenMayaRender.
MGL_ONE_MINUS_SRC_ALPHA)
# Define colors for different selection modes
if status == view.kActive:
glFT.glColor4f(0.2,0.5,0.1,0.3)
elif status == view.kLead:
glFT.glColor4f(0.5,0.2,0.1,0.3)
elif status == view.kDormant:
glFT.glColor4f(0.1,0.1,0.1,0.3)
# Draw a shape
glFT.glBegin(OpenMayaRender.MGL_POLYGON)
glFT.glVertex3f(-0.031, 0 , -2.875)
glFT.glVertex3f(-0.939, 0.1, -2.370)
glFT.glVertex3f(-1.175, 0.2, -1.731)
glFT.glVertex3f(-0.603, 0.3, 1.060)
glFT.glVertex3f( 0.473, 0.3, 1.026)
glFT.glVertex3f( 0.977, 0.2, -1.731)
glFT.glVertex3f( 0.809, 0.1, -2.337)
glFT.glVertex3f( 0.035, 0 , -2.807)
glFT.glEnd()
# Draw a shape
glFT.glBegin(OpenMayaRender.MGL_POLYGON)
glFT.glVertex3f( -0.587, 0.3, 1.33)
glFT.glVertex3f( 0.442, 0.3, 1.33)
glFT.glVertex3f( 0.442, 0.3, 1.92)
glFT.glVertex3f( 0.230, 0.3, 2.24)
glFT.glVertex3f( -0.442, 0.3, 2.25)
glFT.glVertex3f( -0.635, 0.3, 1.92)
glFT.glVertex3f( -0.567, 0.3, 1.35)
glFT.glEnd()
# Define colors for different selection modes
if status == view.kActive:
glFT.glColor4f(0.2,0.5,0.1,1)
elif status == view.kLead:
glFT.glColor4f(0.5,0.2,0.1,1)
elif status == view.kDormant:
glFT.glColor4f(0.1,0.1,0.1,1)
view.drawText("Left Foot",OpenMaya.MPoint(0,0,0),view.kLeft)
# Disable Blend mode
glFT.glDisable(OpenMayaRender.MGL_BLEND)
# Restore the state
glFT.glPopAttrib()
view.endGL()
def nodeCreator():
return OpenMayaMPx.asMPxPtr( LocatorNode())
def nodeInitializer():
pass
def initializePlugin(mobject):
mplugin = OpenMayaMPx.MFnPlugin(mobject)
try:
mplugin.registerNode(nodeName,nodeId ,nodeCreator,nodeInitializer,
OpenMayaMPx.MPxNode.kLocatorNode)
except:
sys.stderr.write( "Failed to register command: %s\n" % nodeName )
# Uninitialize the script plug-in
def uninitializePlugin(mobject):
mplugin = OpenMayaMPx.MFnPlugin(mobject)
try:
mplugin.deregisterCommand( nodeName )
except:
sys.stderr.write( "Failed to unregister command: %s\n" % nodeName )
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