Creating Water Falls

 

 

I want to share my work on how to create a Waterfalls from 3D Max Particle System.

 

Scene Preparation

1. To start with, set units to meters, and renderer to default scanline renderer.

 You can download my raw model for the building  located on the following link.

  raw model scenet(3dmax 8 and above)
[url=https://www.hotlinkfiles.com/files/1241752_j3ym0/rawmodelscene.zip]rawmodelscene.zip[/url]

 

 Raw image should look like the image below

 

 

2. Modelling the accessories.

 

 To model the riverbed..
 Create a plain lenght = 20m, width 25m, segments = 8 x 8
 Applied with Noise Modifier : scale=0, strenght x=1.7, y=1.5, z=.25
 Positioned it and leveled with the building bottom

 

 To model the water surface
 Create a plain lenght = 20m, width 16m, segments = 8 x 8
 Applied with Ripple Modifier :amplitude 1=.06m, amplitude 2=.15m
  Wave Lenght=1.0m, phase=.1, decay=.001
 Positioned it about .5m below the ground floor fo the building.
 
 To model the main rocks,
 Create a box, lenght=12m, width=2, height=8m segments 40 x 20 x20
 Apply with Noise Modifier to make it rough and bumpy.
 Then apply with turbosmooth modifier to smoothen the surface
 Position the bottom just level with the riverbed.
 
 Accessorized the scene with small rocks, same procedure with the main
 rocks but with a smaller scale 
 
 The raw scene model will now look like on the figure below

 

 

3. To model the water falls. From the Creating Panel, select Geometry and choose Particle  Systems. On object type choose PArray. Then drag anywhere on the screen to  create a PArray Icon. Size of the icon doesnt matter, as long as you see it then it  would be fine. Or go to Tab Menu, choose Create then browsing down, choose  Particles, there you can find also PArray

 

 

4. To model the water source. Go to Creating Panel then Standard Primitives and on Object Type rollout choose box. On your top viewport, create a box about the width of the main rocks say lenght=8m, width=0.1, depth=0.2m. Positioned it on top of the main rock or where the waterfalls be located. Named it as source box. See figure below

 

 

5. Linking the source box to the particles. Select PArray Icon, go to modify, under Basic Parameters go down on Object Base Emitter  and press the box Pick Object then select the source box. Now click anywhere on the screen to turn off the selection

 

 

6. Now go to you perspective viewport and zoom a bit on the source box facing to where the water will fall.box , select the source box right click and choose convert to poly. Then on modifying panel select polygon, then select the front of the source box. Turn off the selection, by clicking on the gray box aligned with the word  - Editable Poly, this will just turn off the highlighted portion but still the selection is active.

 

 

 

7. Select again the PArray Icon, go to modify and underneath the Particle Formation tick the box of Use Selected Sub-objects. This means that water will come out only on the face of the source box you selected.