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1 Maya Tutorial Create Realistic Condensation on Glass on Fri Sep 24, 2010 2:34 am

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In this Maya Quick Tip tutorial, you will learn how to create realistic looking condensation any object, specifically cold glass, and then quickly render it for a nice polished final effect using Maya Paint Effects.

Step 1


Model your glass object. It could be a bottle, window, or anything that gives you the feeling of coldness.[You must be registered and logged in to see this image.]
Step 2


Switch to the “Rendering Menu” by pressing “F6″ on your keyboard, select the object, and then go to “Paint Effects > Make Paintable”.[You must be registered and logged in to see this image.]
Step 3


Open “Visor” by going to “Window > General Editors > Visor”.[You must be registered and logged in to see this image.]
Step 4


Select “Surface Bubbles” from the list.[You must be registered and logged in to see this image.]
Step 5


Start drawing the bubbles on the object’s surface. If the bubbles direction is reversed, simply undo, select the object, then go to “Edit NURBS > Reverse Surface Direction”, or “Normals > Reverse” if the object is made with Polygons. Now draw again. Note: To control the brush size, press “b” and hold while moving your mouse Left or Right.[You must be registered and logged in to see this image.]
Step 6


When you have finished drawing your bubbles, you may need to edit the following properties:
<LI>Sample Density: Increases or decreases the bubble density.
<LI>Surface Offset: Controls the distance between the object and the bubbles.
<LI>Smoothing: Smooths the bubbles path (underlying curve).
For me, the Density = 0.6, the Surface Offset = -0.010, and the Smoothing = 10.[You must be registered and logged in to see this image.]
Step 7


After that you can also add some tiny bubbles to fill in the empty area.[You must be registered and logged in to see this image.]
Step 8


Now you can render you scene using “Maya Software” or “Mental Ray”.
For Maya Software Render, adjust the “Specular” and “Depth Shadow” attributes in the “Attribute Editor”. This will allow the “strokeSurfaceBubbles” brush to get a better render.
For Maya Mental Ray Render, convert the Paint Effects to Polygons, and use “Mia_Material > Glass Presets” for the bubbles on the surface. You can use IBL to give reflections too if you like.[You must be registered and logged in to see this image.] [You must be registered and logged in to see this image.]

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